diff options
| author | Brian Waldon <brian.waldon@rackspace.com> | 2011-04-30 07:16:27 -0400 |
|---|---|---|
| committer | Brian Waldon <brian.waldon@rackspace.com> | 2011-04-30 07:16:27 -0400 |
| commit | db81474a8b67334d88173ea2d93e57a113d4af06 (patch) | |
| tree | 061fe026fe247ff8e5ae31fd9eb7aafc23295580 | |
| parent | 721fafcfe0679e21fc4f60ec9fa0cfb5dcc468b1 (diff) | |
| parent | 757709eeaed44ac315d4767620636773ac7f8804 (diff) | |
merging trunk
98 files changed, 2549 insertions, 1919 deletions
@@ -27,8 +27,10 @@ Gabe Westmaas <gabe.westmaas@rackspace.com> Hisaharu Ishii <ishii.hisaharu@lab.ntt.co.jp> Hisaki Ohara <hisaki.ohara@intel.com> Ilya Alekseyev <ialekseev@griddynamics.com> +Jason Koelker <jason@koelker.net> Jay Pipes <jaypipes@gmail.com> Jesse Andrews <anotherjesse@gmail.com> +Jimmy Bergman <jimmy@sigint.se> Joe Heck <heckj@mac.com> Joel Moore <joelbm24@gmail.com> Johannes Erdfelt <johannes.erdfelt@rackspace.com> @@ -50,17 +50,24 @@ Human Alphabetical Order Examples Docstrings ---------- - """Summary of the function, class or method, less than 80 characters. + """A one line docstring looks like this and ends in a period.""" - New paragraph after newline that explains in more detail any general - information about the function, class or method. After this, if defining - parameters and return types use the Sphinx format. After that an extra - newline then close the quotations. + + """A multiline docstring has a one-line summary, less than 80 characters. + + Then a new paragraph after a newline that explains in more detail any + general information about the function, class or method. Example usages + are also great to have here if it is a complex class for function. After + you have finished your descriptions add an extra newline and close the + quotations. When writing the docstring for a class, an extra line should be placed after the closing quotations. For more in-depth explanations for these decisions see http://www.python.org/dev/peps/pep-0257/ + If you are going to describe parameters and return values, use Sphinx, the + appropriate syntax is as follows. + :param foo: the foo parameter :param bar: the bar parameter :returns: description of the return value diff --git a/bin/nova-compute b/bin/nova-compute index 95fa393b1..cd7c78def 100755 --- a/bin/nova-compute +++ b/bin/nova-compute @@ -28,11 +28,11 @@ import sys # If ../nova/__init__.py exists, add ../ to Python search path, so that # it will override what happens to be installed in /usr/(local/)lib/python... -possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), +POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), os.pardir, os.pardir)) -if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): - sys.path.insert(0, possible_topdir) +if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')): + sys.path.insert(0, POSSIBLE_TOPDIR) gettext.install('nova', unicode=1) diff --git a/bin/nova-manage b/bin/nova-manage index adc631318..3dff16f27 100755 --- a/bin/nova-manage +++ b/bin/nova-manage @@ -58,7 +58,6 @@ import gettext import glob import json import os -import re import sys import time @@ -66,11 +65,11 @@ import IPy # If ../nova/__init__.py exists, add ../ to Python search path, so that # it will override what happens to be installed in /usr/(local/)lib/python... -possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), +POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), os.pardir, os.pardir)) -if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): - sys.path.insert(0, possible_topdir) +if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')): + sys.path.insert(0, POSSIBLE_TOPDIR) gettext.install('nova', unicode=1) @@ -83,6 +82,7 @@ from nova import log as logging from nova import quota from nova import rpc from nova import utils +from nova import version from nova.api.ec2 import ec2utils from nova.auth import manager from nova.cloudpipe import pipelib @@ -386,10 +386,10 @@ class ProjectCommands(object): with open(filename, 'w') as f: f.write(rc) - def list(self): + def list(self, username=None): """Lists all projects - arguments: <none>""" - for project in self.manager.get_projects(): + arguments: [username]""" + for project in self.manager.get_projects(username): print project.name def quota(self, project_id, key=None, value=None): @@ -449,7 +449,7 @@ class FixedIpCommands(object): ctxt = context.get_admin_context() try: - if host == None: + if host is None: fixed_ips = db.fixed_ip_get_all(ctxt) else: fixed_ips = db.fixed_ip_get_all_by_host(ctxt, host) @@ -499,7 +499,7 @@ class FloatingIpCommands(object): """Lists all floating ips (optionally by host) arguments: [host]""" ctxt = context.get_admin_context() - if host == None: + if host is None: floating_ips = db.floating_ip_get_all(ctxt) else: floating_ips = db.floating_ip_get_all_by_host(ctxt, host) @@ -591,7 +591,7 @@ class VmCommands(object): _('zone'), _('index')) - if host == None: + if host is None: instances = db.instance_get_all(context.get_admin_context()) else: instances = db.instance_get_all_by_host( @@ -759,6 +759,17 @@ class DbCommands(object): print migration.db_version() +class VersionCommands(object): + """Class for exposing the codebase version.""" + + def __init__(self): + pass + + def list(self): + print _("%s (%s)") %\ + (version.version_string(), version.version_string_with_vcs()) + + class VolumeCommands(object): """Methods for dealing with a cloud in an odd state""" @@ -809,11 +820,11 @@ class VolumeCommands(object): class InstanceTypeCommands(object): """Class for managing instance types / flavors.""" - def _print_instance_types(self, n, val): + def _print_instance_types(self, name, val): deleted = ('', ', inactive')[val["deleted"] == 1] print ("%s: Memory: %sMB, VCPUS: %s, Storage: %sGB, FlavorID: %s, " "Swap: %sGB, RXTX Quota: %sGB, RXTX Cap: %sMB%s") % ( - n, val["memory_mb"], val["vcpus"], val["local_gb"], + name, val["memory_mb"], val["vcpus"], val["local_gb"], val["flavorid"], val["swap"], val["rxtx_quota"], val["rxtx_cap"], deleted) @@ -827,11 +838,17 @@ class InstanceTypeCommands(object): instance_types.create(name, memory, vcpus, local_gb, flavorid, swap, rxtx_quota, rxtx_cap) except exception.InvalidInputException: - print "Must supply valid parameters to create instance type" + print "Must supply valid parameters to create instance_type" print e sys.exit(1) - except exception.DBError, e: - print "DB Error: %s" % e + except exception.ApiError, e: + print "\n\n" + print "\n%s" % e + print "Please ensure instance_type name and flavorid are unique." + print "To complete remove a instance_type, use the --purge flag:" + print "\n # nova-manage instance_type delete <name> --purge\n" + print "Currently defined instance_type names and flavorids:" + self.list("--all") sys.exit(2) except: print "Unknown error" @@ -864,7 +881,7 @@ class InstanceTypeCommands(object): """Lists all active or specific instance types / flavors arguments: [name]""" try: - if name == None: + if name is None: inst_types = instance_types.get_all_types() elif name == "--all": inst_types = instance_types.get_all_types(True) @@ -1009,7 +1026,7 @@ class ImageCommands(object): if (FLAGS.image_service == 'nova.image.local.LocalImageService' and directory == os.path.abspath(FLAGS.images_path)): new_dir = "%s_bak" % directory - os.move(directory, new_dir) + os.rename(directory, new_dir) os.mkdir(directory) directory = new_dir for fn in glob.glob("%s/*/info.json" % directory): @@ -1021,7 +1038,7 @@ class ImageCommands(object): machine_images[image_path] = image_metadata else: other_images[image_path] = image_metadata - except Exception as exc: + except Exception: print _("Failed to load %(fn)s.") % locals() # NOTE(vish): do kernels and ramdisks first so images self._convert_images(other_images) @@ -1044,7 +1061,8 @@ CATEGORIES = [ ('volume', VolumeCommands), ('instance_type', InstanceTypeCommands), ('image', ImageCommands), - ('flavor', InstanceTypeCommands)] + ('flavor', InstanceTypeCommands), + ('version', VersionCommands)] def lazy_match(name, key_value_tuples): @@ -1086,6 +1104,8 @@ def main(): script_name = argv.pop(0) if len(argv) < 1: + print _("\nOpenStack Nova version: %s (%s)\n") %\ + (version.version_string(), version.version_string_with_vcs()) print script_name + " category action [<args>]" print _("Available categories:") for k, _v in CATEGORIES: diff --git a/doc/source/devref/cloudpipe.rst b/doc/source/devref/cloudpipe.rst index 95570aa1b..15d3160b7 100644 --- a/doc/source/devref/cloudpipe.rst +++ b/doc/source/devref/cloudpipe.rst @@ -62,12 +62,18 @@ Making a cloudpipe image is relatively easy. :language: bash :linenos: -# download and run the payload on boot from /etc/rc.local. +# download and run the payload on boot from /etc/rc.local .. literalinclude:: rc.local :language: bash :linenos: +# setup /etc/network/interfaces + +.. literalinclude:: interfaces + :language: bash + :linenos: + # register the image and set the image id in your flagfile:: --vpn_image_id=ami-xxxxxxxx diff --git a/doc/source/down.sh b/doc/source/devref/down.sh index 5c1888870..5c1888870 100644 --- a/doc/source/down.sh +++ b/doc/source/devref/down.sh diff --git a/doc/source/devref/interfaces b/doc/source/devref/interfaces new file mode 100644 index 000000000..b7116aeb7 --- /dev/null +++ b/doc/source/devref/interfaces @@ -0,0 +1,17 @@ +# This file describes the network interfaces available on your system +# and how to activate them. For more information, see interfaces(5). + +# The loopback network interface +auto lo +iface lo inet loopback + +# The primary network interface +auto eth0 +iface eth0 inet manual + up ifconfig $IFACE 0.0.0.0 up + down ifconfig $IFACE down + +auto br0 +iface br0 inet dhcp + bridge_ports eth0 + diff --git a/doc/source/up.sh b/doc/source/devref/up.sh index 073a58e15..073a58e15 100644 --- a/doc/source/up.sh +++ b/doc/source/devref/up.sh diff --git a/doc/source/runnova/flags.rst b/doc/source/runnova/flags.rst index 1bfa022d9..3d16e1303 100644 --- a/doc/source/runnova/flags.rst +++ b/doc/source/runnova/flags.rst @@ -20,174 +20,4 @@ Flags and Flagfiles Nova uses a configuration file containing flags located in /etc/nova/nova.conf. You can get the most recent listing of avaialble flags by running nova-(servicename) --help, for example, nova-api --help. -Here's a list of available flags and their default settings. - - --ajax_console_proxy_port: port that ajax_console_proxy binds - (default: '8000') - --ajax_console_proxy_topic: the topic ajax proxy nodes listen on - (default: 'ajax_proxy') - --ajax_console_proxy_url: location of ajax console proxy, in the form - "http://127.0.0.1:8000" - (default: 'http://127.0.0.1:8000') - --auth_token_ttl: Seconds for auth tokens to linger - (default: '3600') - (an integer) - --aws_access_key_id: AWS Access ID - (default: 'admin') - --aws_secret_access_key: AWS Access Key - (default: 'admin') - --compute_manager: Manager for compute - (default: 'nova.compute.manager.ComputeManager') - --compute_topic: the topic compute nodes listen on - (default: 'compute') - --connection_type: libvirt, xenapi or fake - (default: 'libvirt') - --console_manager: Manager for console proxy - (default: 'nova.console.manager.ConsoleProxyManager') - --console_topic: the topic console proxy nodes listen on - (default: 'console') - --control_exchange: the main exchange to connect to - (default: 'nova') - --db_backend: The backend to use for db - (default: 'sqlalchemy') - --default_image: default image to use, testing only - (default: 'ami-11111') - --default_instance_type: default instance type to use, testing only - (default: 'm1.small') - --default_log_levels: list of logger=LEVEL pairs - (default: 'amqplib=WARN,sqlalchemy=WARN,eventlet.wsgi.server=WARN') - (a comma separated list) - --default_project: default project for openstack - (default: 'openstack') - --ec2_dmz_host: internal ip of api server - (default: '$my_ip') - --ec2_host: ip of api server - (default: '$my_ip') - --ec2_path: suffix for ec2 - (default: '/services/Cloud') - --ec2_port: cloud controller port - (default: '8773') - (an integer) - --ec2_scheme: prefix for ec2 - (default: 'http') - --[no]enable_new_services: Services to be added to the available pool on - create - (default: 'true') - --[no]fake_network: should we use fake network devices and addresses - (default: 'false') - --[no]fake_rabbit: use a fake rabbit - (default: 'false') - --glance_host: glance host - (default: '$my_ip') - --glance_port: glance port - (default: '9292') - (an integer) - -?,--[no]help: show this help - --[no]helpshort: show usage only for this module - --[no]helpxml: like --help, but generates XML output - --host: name of this node - (default: 'osdemo03') - --image_service: The service to use for retrieving and searching for images. - (default: 'nova.image.s3.S3ImageService') - --instance_name_template: Template string to be used to generate instance - names - (default: 'instance-%08x') - --logfile: output to named file - --logging_context_format_string: format string to use for log messages with - context - (default: '%(asctime)s %(levelname)s %(name)s [%(request_id)s %(user)s - %(project)s] %(message)s') - --logging_debug_format_suffix: data to append to log format when level is - DEBUG - (default: 'from %(processName)s (pid=%(process)d) %(funcName)s - %(pathname)s:%(lineno)d') - --logging_default_format_string: format string to use for log messages without - context - (default: '%(asctime)s %(levelname)s %(name)s [-] %(message)s') - --logging_exception_prefix: prefix each line of exception output with this - format - (default: '(%(name)s): TRACE: ') - --my_ip: host ip address - (default: '184.106.73.68') - --network_manager: Manager for network - (default: 'nova.network.manager.VlanManager') - --network_topic: the topic network nodes listen on - (default: 'network') - --node_availability_zone: availability zone of this node - (default: 'nova') - --null_kernel: kernel image that indicates not to use a kernel, but to use a - raw disk image instead - (default: 'nokernel') - --osapi_host: ip of api server - (default: '$my_ip') - --osapi_path: suffix for openstack - (default: '/v1.0/') - --osapi_port: OpenStack API port - (default: '8774') - (an integer) - --osapi_scheme: prefix for openstack - (default: 'http') - --periodic_interval: seconds between running periodic tasks - (default: '60') - (a positive integer) - --pidfile: pidfile to use for this service - --rabbit_host: rabbit host - (default: 'localhost') - --rabbit_max_retries: rabbit connection attempts - (default: '12') - (an integer) - --rabbit_password: rabbit password - (default: 'guest') - --rabbit_port: rabbit port - (default: '5672') - (an integer) - --rabbit_retry_interval: rabbit connection retry interval - (default: '10') - (an integer) - --rabbit_userid: rabbit userid - (default: 'guest') - --rabbit_virtual_host: rabbit virtual host - (default: '/') - --region_list: list of region=fqdn pairs separated by commas - (default: '') - (a comma separated list) - --report_interval: seconds between nodes reporting state to datastore - (default: '10') - (a positive integer) - --s3_dmz: s3 dmz ip (for instances) - (default: '$my_ip') - --s3_host: s3 host (for infrastructure) - (default: '$my_ip') - --s3_port: s3 port - (default: '3333') - (an integer) - --scheduler_manager: Manager for scheduler - (default: 'nova.scheduler.manager.SchedulerManager') - --scheduler_topic: the topic scheduler nodes listen on - (default: 'scheduler') - --sql_connection: connection string for sql database - (default: 'sqlite:///$state_path/nova.sqlite') - --sql_idle_timeout: timeout for idle sql database connections - (default: '3600') - --sql_max_retries: sql connection attempts - (default: '12') - (an integer) - --sql_retry_interval: sql connection retry interval - (default: '10') - (an integer) - --state_path: Top-level directory for maintaining nova's state - (default: '/usr/lib/pymodules/python2.6/nova/../') - --[no]use_syslog: output to syslog - (default: 'false') - --[no]verbose: show debug output - (default: 'false') - --volume_manager: Manager for volume - (default: 'nova.volume.manager.VolumeManager') - --volume_name_template: Template string to be used to generate instance names - (default: 'volume-%08x') - --volume_topic: the topic volume nodes listen on - (default: 'volume') - --vpn_image_id: AMI for cloudpipe vpn server - (default: 'ami-cloudpipe') - --vpn_key_suffix: Suffix to add to project name for vpn key and secgroups - (default: '-vpn')
\ No newline at end of file +The OpenStack wiki has a page with the flags listed by their purpose and use at http://wiki.openstack.org/FlagsGrouping.
\ No newline at end of file diff --git a/doc/source/runnova/index.rst b/doc/source/runnova/index.rst index 283d268ce..769bbec84 100644 --- a/doc/source/runnova/index.rst +++ b/doc/source/runnova/index.rst @@ -18,7 +18,7 @@ Running Nova ============ -This guide describes the basics of running and managing Nova. For more administrator's documentation, refer to `docs.openstack.org <http://docs.openstack.org>`_. +This guide describes the basics of running and managing Nova. This site is intended to provide developer documentation. For more administrator's documentation, refer to `docs.openstack.org <http://docs.openstack.org>`_. Running the Cloud ----------------- @@ -60,7 +60,7 @@ For background on the core objects referenced in this section, see :doc:`../obje Deployment ---------- -For a starting multi-node architecture, you would start with two nodes - a cloud controller node and a compute node. The cloud controller node contains the nova- services plus the Nova database. The compute node installs all the nova-services but then refers to the database installation, which is hosted by the cloud controller node. Ensure that the nova.conf file is identical on each node. If you find performance issues not related to database reads or writes, but due to the messaging queue backing up, you could add additional messaging services (rabbitmq). For instructions on multi-server installations, refer to `Installing and Configuring OpenStack Compute <http://docs.openstack.org/openstack-compute/admin/content/ch03.html>`_. +For a starting multi-node architecture, you would start with two nodes - a cloud controller node and a compute node. The cloud controller node contains the nova- services plus the Nova database. The compute node installs all the nova-services but then refers to the database installation, which is hosted by the cloud controller node. Ensure that the nova.conf file is identical on each node. If you find performance issues not related to database reads or writes, but due to the messaging queue backing up, you could add additional messaging services (rabbitmq). For instructions on multi-server installations, refer to `Installing and Configuring OpenStack Compute <http://docs.openstack.org/>`_. .. toctree:: diff --git a/doc/source/runnova/managing.images.rst b/doc/source/runnova/managing.images.rst index c5d93a6e8..a2e618602 100644 --- a/doc/source/runnova/managing.images.rst +++ b/doc/source/runnova/managing.images.rst @@ -18,4 +18,9 @@ Managing Images =============== -.. todo:: Put info on managing images here! +With Nova, you can manage images either using the built-in object store or using Glance, a related OpenStack project. Glance is a server that provides the following services: + + * Ability to store and retrieve virtual machine images + * Ability to store and retrieve metadata about these virtual machine images + +Refer to http://glance.openstack.org for additional details.
\ No newline at end of file diff --git a/doc/source/runnova/managing.instance.types.rst b/doc/source/runnova/managing.instance.types.rst index 746077716..a575e16b7 100644 --- a/doc/source/runnova/managing.instance.types.rst +++ b/doc/source/runnova/managing.instance.types.rst @@ -16,6 +16,8 @@ Managing Instance Types and Flavors =================================== +You can manage instance types and instance flavors using the nova-manage command-line interface coupled with the instance_type subcommand for nova-manage. + What are Instance Types or Flavors ? ------------------------------------ diff --git a/doc/source/runnova/managingsecurity.rst b/doc/source/runnova/managingsecurity.rst index 7893925e7..85329ed4a 100644 --- a/doc/source/runnova/managingsecurity.rst +++ b/doc/source/runnova/managingsecurity.rst @@ -18,8 +18,6 @@ Security Considerations ======================= -.. todo:: This doc is vague and just high-level right now. Describe architecture that enables security. - The goal of securing a cloud computing system involves both protecting the instances, data on the instances, and ensuring users are authenticated for actions and that borders are understood by the users and the system. Protecting the system from intrusion or attack involves authentication, network protections, and diff --git a/doc/source/runnova/network.vlan.rst b/doc/source/runnova/network.vlan.rst index c06ce8e8b..df19c7a80 100644 --- a/doc/source/runnova/network.vlan.rst +++ b/doc/source/runnova/network.vlan.rst @@ -36,9 +36,7 @@ In this mode, each project gets its own VLAN, Linux networking bridge, and subne While network traffic between VM instances belonging to the same VLAN is always open, Nova can enforce isolation of network traffic between different projects by enforcing one VLAN per project. -In addition, the network administrator can specify a pool of public IP addresses that users may allocate and then assign to VMs, either at boot or dynamically at run-time. This capability is similar to Amazon's 'elastic IPs'. A public IP address may be associated with a running instances, allowing the VM instance to be accessed from the public network. The public IP addresses are accessible from the network host and NATed to the private IP address of the project. - -.. todo:: Describe how a public IP address could be associated with a project (a VLAN) +In addition, the network administrator can specify a pool of public IP addresses that users may allocate and then assign to VMs, either at boot or dynamically at run-time. This capability is similar to Amazon's 'elastic IPs'. A public IP address may be associated with a running instances, allowing the VM instance to be accessed from the public network. The public IP addresses are accessible from the network host and NATed to the private IP address of the project. A public IP address could be associated with a project using the euca-allocate-address commands. This is the default networking mode and supports the most features. For multiple machine installation, it requires a switch that supports host-managed vlan tagging. In this mode, nova will create a vlan and bridge for each project. The project gets a range of private ips that are only accessible from inside the vlan. In order for a user to access the instances in their project, a special vpn instance (code named :ref:`cloudpipe <cloudpipe>`) needs to be created. Nova generates a certificate and key for the user to access the vpn and starts the vpn automatically. More information on cloudpipe can be found :ref:`here <cloudpipe>`. @@ -176,4 +174,3 @@ Setup * project network size * DMZ network -.. todo:: need specific Nova configuration added diff --git a/doc/source/runnova/nova.manage.rst b/doc/source/runnova/nova.manage.rst index 0636e5752..af82b6a4f 100644 --- a/doc/source/runnova/nova.manage.rst +++ b/doc/source/runnova/nova.manage.rst @@ -83,13 +83,13 @@ Nova User Nova Project ~~~~~~~~~~~~ -``nova-manage project add <projectname>`` +``nova-manage project add <projectname> <username>`` - Add a nova project with the name <projectname> to the database. + Add a nova project with the name <projectname> to the database that will be administered by the named user. -``nova-manage project create <projectname>`` +``nova-manage project create <projectname> <projectmanager>`` - Create a new nova project with the name <projectname> (you still need to do nova-manage project add <projectname> to add it to the database). + Create a new nova project with the name <projectname> (you still need to do nova-manage project add <projectname> to add it to the database). The <projectmanager> username is the administrator of the project. ``nova-manage project delete <projectname>`` @@ -111,9 +111,9 @@ Nova Project Deletes the project with the name <projectname>. -``nova-manage project zipfile`` +``nova-manage project zipfile <projectname> <username> <directory for credentials>`` - Compresses all related files for a created project into a zip file nova.zip. + Compresses all related files for a created project into a named zip file such as nova.zip. Nova Role ~~~~~~~~~ @@ -226,7 +226,7 @@ Concept: Plugins Concept: IPC/RPC ---------------- -Rabbit! +Rabbit is the main messaging queue, used for all communication between Nova components and it also does the remote procedure calls and inter-process communication. Concept: Fakes diff --git a/nova/CA/geninter.sh b/nova/CA/geninter.sh index 4b7f5a55c..9b3ea3b76 100755 --- a/nova/CA/geninter.sh +++ b/nova/CA/geninter.sh @@ -21,7 +21,7 @@ NAME=$1 SUBJ=$2 mkdir -p projects/$NAME cd projects/$NAME -cp ../../openssl.cnf.tmpl openssl.cnf +cp "$(dirname $0)/openssl.cnf.tmpl" openssl.cnf sed -i -e s/%USERNAME%/$NAME/g openssl.cnf mkdir -p certs crl newcerts private openssl req -new -x509 -extensions v3_ca -keyout private/cakey.pem -out cacert.pem -days 365 -config ./openssl.cnf -batch -nodes diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index a3c3b25a1..cd59340bd 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -46,8 +46,6 @@ flags.DEFINE_integer('lockout_minutes', 15, 'Number of minutes to lockout if triggered.') flags.DEFINE_integer('lockout_window', 15, 'Number of minutes for lockout window.') -flags.DEFINE_list('lockout_memcached_servers', None, - 'Memcached servers or None for in process cache.') class RequestLogging(wsgi.Middleware): @@ -107,11 +105,11 @@ class Lockout(wsgi.Middleware): def __init__(self, application): """middleware can use fake for testing.""" - if FLAGS.lockout_memcached_servers: + if FLAGS.memcached_servers: import memcache else: from nova import fakememcache as memcache - self.mc = memcache.Client(FLAGS.lockout_memcached_servers, + self.mc = memcache.Client(FLAGS.memcached_servers, debug=0) super(Lockout, self).__init__(application) @@ -322,9 +320,7 @@ class Executor(wsgi.Application): except exception.InstanceNotFound as ex: LOG.info(_('InstanceNotFound raised: %s'), unicode(ex), context=context) - ec2_id = ec2utils.id_to_ec2_id(ex.instance_id) - message = _('Instance %s not found') % ec2_id - return self._error(req, context, type(ex).__name__, message) + return self._error(req, context, type(ex).__name__, ex.message) except exception.VolumeNotFound as ex: LOG.info(_('VolumeNotFound raised: %s'), unicode(ex), context=context) diff --git a/nova/api/ec2/admin.py b/nova/api/ec2/admin.py index 6a5609d4a..ea94d9c1f 100644 --- a/nova/api/ec2/admin.py +++ b/nova/api/ec2/admin.py @@ -266,7 +266,7 @@ class AdminController(object): def _vpn_for(self, context, project_id): """Get the VPN instance for a project ID.""" for instance in db.instance_get_all_by_project(context, project_id): - if (instance['image_id'] == FLAGS.vpn_image_id + if (instance['image_id'] == str(FLAGS.vpn_image_id) and not instance['state_description'] in ['shutting_down', 'shutdown']): return instance diff --git a/nova/api/ec2/apirequest.py b/nova/api/ec2/apirequest.py index d7ad08d2f..6672e60bb 100644 --- a/nova/api/ec2/apirequest.py +++ b/nova/api/ec2/apirequest.py @@ -196,7 +196,7 @@ class APIRequest(object): elif isinstance(data, datetime.datetime): data_el.appendChild( xml.createTextNode(_database_to_isoformat(data))) - elif data != None: + elif data is not None: data_el.appendChild(xml.createTextNode(str(data))) return data_el diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 10b1d0ac5..092b80fa2 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -49,8 +49,6 @@ flags.DECLARE('service_down_time', 'nova.scheduler.driver') LOG = logging.getLogger("nova.api.cloud") -InvalidInputException = exception.InvalidInputException - def _gen_key(context, user_id, key_name): """Generate a key @@ -61,8 +59,7 @@ def _gen_key(context, user_id, key_name): # creation before creating key_pair try: db.key_pair_get(context, user_id, key_name) - raise exception.Duplicate(_("The key_pair %s already exists") - % key_name) + raise exception.KeyPairExists(key_name=key_name) except exception.NotFound: pass private_key, public_key, fingerprint = crypto.generate_key_pair() @@ -159,7 +156,7 @@ class CloudController(object): floating_ip = db.instance_get_floating_address(ctxt, instance_ref['id']) ec2_id = ec2utils.id_to_ec2_id(instance_ref['id']) - image_ec2_id = self._image_ec2_id(instance_ref['image_id'], 'ami') + image_ec2_id = self.image_ec2_id(instance_ref['image_id']) data = { 'user-data': base64.b64decode(instance_ref['user_data']), 'meta-data': { @@ -187,9 +184,9 @@ class CloudController(object): 'mpi': mpi}} for image_type in ['kernel', 'ramdisk']: - if '%s_id' % image_type in instance_ref: - ec2_id = self._image_ec2_id(instance_ref['%s_id' % image_type], - self._image_type(image_type)) + if instance_ref.get('%s_id' % image_type): + ec2_id = self.image_ec2_id(instance_ref['%s_id' % image_type], + self._image_type(image_type)) data['meta-data']['%s-id' % image_type] = ec2_id if False: # TODO(vish): store ancestor ids @@ -399,11 +396,11 @@ class CloudController(object): ip_protocol = str(ip_protocol) if ip_protocol.upper() not in ['TCP', 'UDP', 'ICMP']: - raise InvalidInputException(_('%s is not a valid ipProtocol') % - (ip_protocol,)) + raise exception.InvalidIpProtocol(protocol=ip_protocol) if ((min(from_port, to_port) < -1) or (max(from_port, to_port) > 65535)): - raise InvalidInputException(_('Invalid port range')) + raise exception.InvalidPortRange(from_port=from_port, + to_port=to_port) values['protocol'] = ip_protocol values['from_port'] = from_port @@ -442,7 +439,7 @@ class CloudController(object): group_name) criteria = self._revoke_rule_args_to_dict(context, **kwargs) - if criteria == None: + if criteria is None: raise exception.ApiError(_("Not enough parameters to build a " "valid rule.")) @@ -613,7 +610,7 @@ class CloudController(object): # TODO(vish): Instance should be None at db layer instead of # trying to lazy load, but for now we turn it into # a dict to avoid an error. - return {'volumeSet': [self._format_volume(context, dict(volume))]} + return self._format_volume(context, dict(volume)) def delete_volume(self, context, volume_id, **kwargs): volume_id = ec2utils.ec2_id_to_id(volume_id) @@ -664,7 +661,7 @@ class CloudController(object): 'volumeId': ec2utils.id_to_ec2_id(volume_id, 'vol-%08x')} def _convert_to_set(self, lst, label): - if lst == None or lst == []: + if lst is None or lst == []: return None if not isinstance(lst, list): lst = [lst] @@ -703,13 +700,13 @@ class CloudController(object): instances = self.compute_api.get_all(context, **kwargs) for instance in instances: if not context.is_admin: - if instance['image_id'] == FLAGS.vpn_image_id: + if instance['image_id'] == str(FLAGS.vpn_image_id): continue i = {} instance_id = instance['id'] ec2_id = ec2utils.id_to_ec2_id(instance_id) i['instanceId'] = ec2_id - i['imageId'] = self._image_ec2_id(instance['image_id']) + i['imageId'] = self.image_ec2_id(instance['image_id']) i['instanceState'] = { 'code': instance['state'], 'name': instance['state_description']} @@ -726,7 +723,9 @@ class CloudController(object): instance['mac_address']) i['privateDnsName'] = fixed_addr + i['privateIpAddress'] = fixed_addr i['publicDnsName'] = floating_addr + i['ipAddress'] = floating_addr or fixed_addr i['dnsName'] = i['publicDnsName'] or i['privateDnsName'] i['keyName'] = instance['key_name'] @@ -898,7 +897,7 @@ class CloudController(object): return image_type @staticmethod - def _image_ec2_id(image_id, image_type='ami'): + def image_ec2_id(image_id, image_type='ami'): """Returns image ec2_id using id and three letter type.""" template = image_type + '-%08x' return ec2utils.id_to_ec2_id(int(image_id), template=template) @@ -907,25 +906,25 @@ class CloudController(object): try: internal_id = ec2utils.ec2_id_to_id(ec2_id) return self.image_service.show(context, internal_id) - except exception.NotFound: + except ValueError: try: return self.image_service.show_by_name(context, ec2_id) except exception.NotFound: - raise exception.NotFound(_('Image %s not found') % ec2_id) + raise exception.ImageNotFound(image_id=ec2_id) def _format_image(self, image): """Convert from format defined by BaseImageService to S3 format.""" i = {} image_type = self._image_type(image.get('container_format')) - ec2_id = self._image_ec2_id(image.get('id'), image_type) + ec2_id = self.image_ec2_id(image.get('id'), image_type) name = image.get('name') i['imageId'] = ec2_id kernel_id = image['properties'].get('kernel_id') if kernel_id: - i['kernelId'] = self._image_ec2_id(kernel_id, 'aki') + i['kernelId'] = self.image_ec2_id(kernel_id, 'aki') ramdisk_id = image['properties'].get('ramdisk_id') if ramdisk_id: - i['ramdiskId'] = self._image_ec2_id(ramdisk_id, 'ari') + i['ramdiskId'] = self.image_ec2_id(ramdisk_id, 'ari') i['imageOwnerId'] = image['properties'].get('owner_id') if name: i['imageLocation'] = "%s (%s)" % (image['properties']. @@ -955,8 +954,7 @@ class CloudController(object): try: image = self._get_image(context, ec2_id) except exception.NotFound: - raise exception.NotFound(_('Image %s not found') % - ec2_id) + raise exception.ImageNotFound(image_id=ec2_id) images.append(image) else: images = self.image_service.detail(context) @@ -976,8 +974,8 @@ class CloudController(object): metadata = {'properties': {'image_location': image_location}} image = self.image_service.create(context, metadata) image_type = self._image_type(image.get('container_format')) - image_id = self._image_ec2_id(image['id'], - image_type) + image_id = self.image_ec2_id(image['id'], + image_type) msg = _("Registered image %(image_location)s with" " id %(image_id)s") % locals() LOG.audit(msg, context=context) @@ -990,7 +988,7 @@ class CloudController(object): try: image = self._get_image(context, image_id) except exception.NotFound: - raise exception.NotFound(_('Image %s not found') % image_id) + raise exception.ImageNotFound(image_id=image_id) result = {'imageId': image_id, 'launchPermission': []} if image['is_public']: result['launchPermission'].append({'group': 'all'}) @@ -1013,7 +1011,7 @@ class CloudController(object): try: image = self._get_image(context, image_id) except exception.NotFound: - raise exception.NotFound(_('Image %s not found') % image_id) + raise exception.ImageNotFound(image_id=image_id) internal_id = image['id'] del(image['id']) diff --git a/nova/api/ec2/ec2utils.py b/nova/api/ec2/ec2utils.py index 3b34f6ea5..1ac48163c 100644 --- a/nova/api/ec2/ec2utils.py +++ b/nova/api/ec2/ec2utils.py @@ -21,10 +21,7 @@ from nova import exception def ec2_id_to_id(ec2_id): """Convert an ec2 ID (i-[base 16 number]) to an instance id (int)""" - try: - return int(ec2_id.split('-')[-1], 16) - except ValueError: - raise exception.NotFound(_("Id %s Not Found") % ec2_id) + return int(ec2_id.split('-')[-1], 16) def id_to_ec2_id(instance_id, template='i-%08x'): diff --git a/nova/api/openstack/accounts.py b/nova/api/openstack/accounts.py index 6e3763e47..00fdd4540 100644 --- a/nova/api/openstack/accounts.py +++ b/nova/api/openstack/accounts.py @@ -48,7 +48,7 @@ class Controller(common.OpenstackController): """We cannot depend on the db layer to check for admin access for the auth manager, so we do it here""" if not context.is_admin: - raise exception.NotAuthorized(_("Not admin user.")) + raise exception.AdminRequired() def index(self, req): raise faults.Fault(webob.exc.HTTPNotImplemented()) diff --git a/nova/api/openstack/auth.py b/nova/api/openstack/auth.py index f3a9bdeca..311e6bde9 100644 --- a/nova/api/openstack/auth.py +++ b/nova/api/openstack/auth.py @@ -55,6 +55,9 @@ class AuthMiddleware(wsgi.Middleware): user = self.get_user_by_authentication(req) accounts = self.auth.get_projects(user=user) if not user: + token = req.headers["X-Auth-Token"] + msg = _("%(user)s could not be found with token '%(token)s'") + LOG.warn(msg % locals()) return faults.Fault(webob.exc.HTTPUnauthorized()) if accounts: @@ -66,6 +69,8 @@ class AuthMiddleware(wsgi.Middleware): if not self.auth.is_admin(user) and \ not self.auth.is_project_member(user, account): + msg = _("%(user)s must be an admin or a member of %(account)s") + LOG.warn(msg % locals()) return faults.Fault(webob.exc.HTTPUnauthorized()) req.environ['nova.context'] = context.RequestContext(user, account) @@ -82,12 +87,16 @@ class AuthMiddleware(wsgi.Middleware): # honor it path_info = req.path_info if len(path_info) > 1: - return faults.Fault(webob.exc.HTTPUnauthorized()) + msg = _("Authentication requests must be made against a version " + "root (e.g. /v1.0 or /v1.1).") + LOG.warn(msg) + return faults.Fault(webob.exc.HTTPUnauthorized(explanation=msg)) try: username = req.headers['X-Auth-User'] key = req.headers['X-Auth-Key'] - except KeyError: + except KeyError as ex: + LOG.warn(_("Could not find %s in request.") % ex) return faults.Fault(webob.exc.HTTPUnauthorized()) token, user = self._authorize_user(username, key, req) @@ -100,6 +109,7 @@ class AuthMiddleware(wsgi.Middleware): res.headers['X-CDN-Management-Url'] = token.cdn_management_url res.content_type = 'text/plain' res.status = '204' + LOG.debug(_("Successfully authenticated '%s'") % username) return res else: return faults.Fault(webob.exc.HTTPUnauthorized()) @@ -139,6 +149,7 @@ class AuthMiddleware(wsgi.Middleware): try: user = self.auth.get_user_from_access_key(key) except exception.NotFound: + LOG.warn(_("User not found with provided API key.")) user = None if user and user.name == username: @@ -153,4 +164,9 @@ class AuthMiddleware(wsgi.Middleware): token_dict['user_id'] = user.id token = self.db.auth_token_create(ctxt, token_dict) return token, user + elif user and user.name != username: + msg = _("Provided API key is valid, but not for user " + "'%(username)s'") % locals() + LOG.warn(msg) + return None, None diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py index 234f921ab..65ed1e143 100644 --- a/nova/api/openstack/common.py +++ b/nova/api/openstack/common.py @@ -25,7 +25,7 @@ from nova import log as logging from nova import wsgi -LOG = logging.getLogger('common') +LOG = logging.getLogger('nova.api.openstack.common') FLAGS = flags.FLAGS @@ -116,9 +116,15 @@ def get_image_id_from_image_hash(image_service, context, image_hash): items = image_service.index(context) for image in items: image_id = image['id'] - if abs(hash(image_id)) == int(image_hash): - return image_id - raise exception.NotFound(image_hash) + try: + if abs(hash(image_id)) == int(image_hash): + return image_id + except ValueError: + msg = _("Requested image_id has wrong format: %s," + "should have numerical format") % image_id + LOG.error(msg) + raise Exception(msg) + raise exception.ImageNotFound(image_id=image_hash) def get_id_from_href(href): diff --git a/nova/api/openstack/contrib/volumes.py b/nova/api/openstack/contrib/volumes.py index 6efacce52..18de2ec71 100644 --- a/nova/api/openstack/contrib/volumes.py +++ b/nova/api/openstack/contrib/volumes.py @@ -322,8 +322,7 @@ class Volumes(extensions.ExtensionDescriptor): # Does this matter? res = extensions.ResourceExtension('volumes', VolumeController(), - collection_actions={'detail': 'GET'} - ) + collection_actions={'detail': 'GET'}) resources.append(res) res = extensions.ResourceExtension('volume_attachments', diff --git a/nova/api/openstack/server_metadata.py b/nova/api/openstack/server_metadata.py index 5c1390b9c..fd64ee4fb 100644 --- a/nova/api/openstack/server_metadata.py +++ b/nova/api/openstack/server_metadata.py @@ -18,6 +18,7 @@ from webob import exc from nova import compute +from nova import quota from nova import wsgi from nova.api.openstack import common from nova.api.openstack import faults @@ -44,10 +45,14 @@ class Controller(common.OpenstackController): def create(self, req, server_id): context = req.environ['nova.context'] - body = self._deserialize(req.body, req.get_content_type()) - self.compute_api.update_or_create_instance_metadata(context, - server_id, - body['metadata']) + data = self._deserialize(req.body, req.get_content_type()) + metadata = data.get('metadata') + try: + self.compute_api.update_or_create_instance_metadata(context, + server_id, + metadata) + except quota.QuotaError as error: + self._handle_quota_error(error) return req.body def update(self, req, server_id, id): @@ -59,9 +64,13 @@ class Controller(common.OpenstackController): if len(body) > 1: expl = _('Request body contains too many items') raise exc.HTTPBadRequest(explanation=expl) - self.compute_api.update_or_create_instance_metadata(context, - server_id, - body) + try: + self.compute_api.update_or_create_instance_metadata(context, + server_id, + body) + except quota.QuotaError as error: + self._handle_quota_error(error) + return req.body def show(self, req, server_id, id): @@ -77,3 +86,9 @@ class Controller(common.OpenstackController): """ Deletes an existing metadata """ context = req.environ['nova.context'] self.compute_api.delete_instance_metadata(context, server_id, id) + + def _handle_quota_error(self, error): + """Reraise quota errors as api-specific http exceptions.""" + if error.code == "MetadataLimitExceeded": + raise exc.HTTPBadRequest(explanation=error.message) + raise error diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 43e0c7963..9b883f06b 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -40,7 +40,7 @@ import nova.api.openstack from nova.scheduler import api as scheduler_api -LOG = logging.getLogger('server') +LOG = logging.getLogger('nova.api.openstack.servers') FLAGS = flags.FLAGS @@ -118,6 +118,8 @@ class Controller(common.OpenstackController): context = req.environ['nova.context'] + password = self._get_server_admin_password(env['server']) + key_name = None key_data = None key_pairs = auth_manager.AuthManager.get_key_pairs(context) @@ -127,21 +129,16 @@ class Controller(common.OpenstackController): key_data = key_pair['public_key'] requested_image_id = self._image_id_from_req_data(env) - image_id = common.get_image_id_from_image_hash(self._image_service, - context, requested_image_id) + try: + image_id = common.get_image_id_from_image_hash(self._image_service, + context, requested_image_id) + except: + msg = _("Can not find requested image") + return faults.Fault(exc.HTTPBadRequest(msg)) + kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image( req, image_id) - # Metadata is a list, not a Dictionary, because we allow duplicate keys - # (even though JSON can't encode this) - # In future, we may not allow duplicate keys. - # However, the CloudServers API is not definitive on this front, - # and we want to be compatible. - metadata = [] - if env['server'].get('metadata'): - for k, v in env['server']['metadata'].items(): - metadata.append({'key': k, 'value': v}) - personality = env['server'].get('personality') injected_files = [] if personality: @@ -170,7 +167,7 @@ class Controller(common.OpenstackController): display_description=name, key_name=key_name, key_data=key_data, - metadata=metadata, + metadata=env['server'].get('metadata', {}), injected_files=injected_files) except quota.QuotaError as error: self._handle_quota_error(error) @@ -180,7 +177,6 @@ class Controller(common.OpenstackController): builder = self._get_view_builder(req) server = builder.build(inst, is_detail=True) - password = utils.generate_password(16) server['server']['adminPass'] = password self.compute_api.set_admin_password(context, server['server']['id'], password) @@ -242,6 +238,10 @@ class Controller(common.OpenstackController): # if the original error is okay, just reraise it raise error + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + return utils.generate_password(16) + @scheduler_api.redirect_handler def update(self, req, id): """ Updates the server name or password """ @@ -321,6 +321,7 @@ class Controller(common.OpenstackController): return exc.HTTPAccepted() def _action_rebuild(self, input_dict, req, id): + LOG.debug(_("Rebuild server action is not implemented")) return faults.Fault(exc.HTTPNotImplemented()) def _action_resize(self, input_dict, req, id): @@ -336,18 +337,20 @@ class Controller(common.OpenstackController): except Exception, e: LOG.exception(_("Error in resize %s"), e) return faults.Fault(exc.HTTPBadRequest()) - return faults.Fault(exc.HTTPAccepted()) + return exc.HTTPAccepted() def _action_reboot(self, input_dict, req, id): - try: + if 'reboot' in input_dict and 'type' in input_dict['reboot']: reboot_type = input_dict['reboot']['type'] - except Exception: - raise faults.Fault(exc.HTTPNotImplemented()) + else: + LOG.exception(_("Missing argument 'type' for reboot")) + return faults.Fault(exc.HTTPUnprocessableEntity()) try: # TODO(gundlach): pass reboot_type, support soft reboot in # virt driver self.compute_api.reboot(req.environ['nova.context'], id) - except: + except Exception, e: + LOG.exception(_("Error in reboot %s"), e) return faults.Fault(exc.HTTPUnprocessableEntity()) return exc.HTTPAccepted() @@ -561,9 +564,8 @@ class Controller(common.OpenstackController): """ image_id = image_meta['id'] if image_meta['status'] != 'active': - raise exception.Invalid( - _("Cannot build from image %(image_id)s, status not active") % - locals()) + raise exception.ImageUnacceptable(image_id=image_id, + reason=_("status is not active")) if image_meta.get('container_format') != 'ami': return None, None @@ -571,14 +573,12 @@ class Controller(common.OpenstackController): try: kernel_id = image_meta['properties']['kernel_id'] except KeyError: - raise exception.NotFound( - _("Kernel not found for image %(image_id)s") % locals()) + raise exception.KernelNotFoundForImage(image_id=image_id) try: ramdisk_id = image_meta['properties']['ramdisk_id'] except KeyError: - raise exception.NotFound( - _("Ramdisk not found for image %(image_id)s") % locals()) + raise exception.RamdiskNotFoundForImage(image_id=image_id) return kernel_id, ramdisk_id @@ -648,6 +648,16 @@ class ControllerV11(Controller): def _limit_items(self, items, req): return common.limited_by_marker(items, req) + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + password = server.get('adminPass') + if password is None: + return utils.generate_password(16) + if not isinstance(password, basestring) or password == '': + msg = _("Invalid adminPass") + raise exc.HTTPBadRequest(msg) + return password + def get_default_xmlns(self, req): return common.XML_NS_V11 diff --git a/nova/api/openstack/users.py b/nova/api/openstack/users.py index 077ccfc79..7ae4c3232 100644 --- a/nova/api/openstack/users.py +++ b/nova/api/openstack/users.py @@ -48,7 +48,7 @@ class Controller(common.OpenstackController): """We cannot depend on the db layer to check for admin access for the auth manager, so we do it here""" if not context.is_admin: - raise exception.NotAuthorized(_("Not admin user")) + raise exception.AdminRequired() def index(self, req): """Return all users in brief""" diff --git a/nova/auth/dbdriver.py b/nova/auth/dbdriver.py index d1e3f2ed5..a429b7812 100644 --- a/nova/auth/dbdriver.py +++ b/nova/auth/dbdriver.py @@ -81,7 +81,7 @@ class DbDriver(object): user_ref = db.user_create(context.get_admin_context(), values) return self._db_user_to_auth_user(user_ref) except exception.Duplicate, e: - raise exception.Duplicate(_('User %s already exists') % name) + raise exception.UserExists(user=name) def _db_user_to_auth_user(self, user_ref): return {'id': user_ref['id'], @@ -103,9 +103,7 @@ class DbDriver(object): """Create a project""" manager = db.user_get(context.get_admin_context(), manager_uid) if not manager: - raise exception.NotFound(_("Project can't be created because " - "manager %s doesn't exist") - % manager_uid) + raise exception.UserNotFound(user_id=manager_uid) # description is a required attribute if description is None: @@ -115,13 +113,11 @@ class DbDriver(object): # on to create the project. This way we won't have to destroy # the project again because a user turns out to be invalid. members = set([manager]) - if member_uids != None: + if member_uids is not None: for member_uid in member_uids: member = db.user_get(context.get_admin_context(), member_uid) if not member: - raise exception.NotFound(_("Project can't be created " - "because user %s doesn't exist") - % member_uid) + raise exception.UserNotFound(user_id=member_uid) members.add(member) values = {'id': name, @@ -132,8 +128,7 @@ class DbDriver(object): try: project = db.project_create(context.get_admin_context(), values) except exception.Duplicate: - raise exception.Duplicate(_("Project can't be created because " - "project %s already exists") % name) + raise exception.ProjectExists(project=name) for member in members: db.project_add_member(context.get_admin_context(), @@ -154,9 +149,7 @@ class DbDriver(object): if manager_uid: manager = db.user_get(context.get_admin_context(), manager_uid) if not manager: - raise exception.NotFound(_("Project can't be modified because " - "manager %s doesn't exist") % - manager_uid) + raise exception.UserNotFound(user_id=manager_uid) values['project_manager'] = manager['id'] if description: values['description'] = description @@ -244,8 +237,8 @@ class DbDriver(object): def _validate_user_and_project(self, user_id, project_id): user = db.user_get(context.get_admin_context(), user_id) if not user: - raise exception.NotFound(_('User "%s" not found') % user_id) + raise exception.UserNotFound(user_id=user_id) project = db.project_get(context.get_admin_context(), project_id) if not project: - raise exception.NotFound(_('Project "%s" not found') % project_id) + raise exception.ProjectNotFound(project_id=project_id) return user, project diff --git a/nova/auth/ldapdriver.py b/nova/auth/ldapdriver.py index fcac55510..3f8432851 100644 --- a/nova/auth/ldapdriver.py +++ b/nova/auth/ldapdriver.py @@ -171,7 +171,7 @@ class LdapDriver(object): def create_user(self, name, access_key, secret_key, is_admin): """Create a user""" if self.__user_exists(name): - raise exception.Duplicate(_("LDAP user %s already exists") % name) + raise exception.LDAPUserExists(user=name) if FLAGS.ldap_user_modify_only: if self.__ldap_user_exists(name): # Retrieve user by name @@ -202,8 +202,7 @@ class LdapDriver(object): self.conn.modify_s(self.__uid_to_dn(name), attr) return self.get_user(name) else: - raise exception.NotFound(_("LDAP object for %s doesn't exist") - % name) + raise exception.LDAPUserNotFound(user_id=name) else: attr = [ ('objectclass', ['person', @@ -226,12 +225,9 @@ class LdapDriver(object): description=None, member_uids=None): """Create a project""" if self.__project_exists(name): - raise exception.Duplicate(_("Project can't be created because " - "project %s already exists") % name) + raise exception.ProjectExists(project=name) if not self.__user_exists(manager_uid): - raise exception.NotFound(_("Project can't be created because " - "manager %s doesn't exist") - % manager_uid) + raise exception.LDAPUserNotFound(user_id=manager_uid) manager_dn = self.__uid_to_dn(manager_uid) # description is a required attribute if description is None: @@ -240,9 +236,7 @@ class LdapDriver(object): if member_uids is not None: for member_uid in member_uids: if not self.__user_exists(member_uid): - raise exception.NotFound(_("Project can't be created " - "because user %s doesn't exist") - % member_uid) + raise exception.LDAPUserNotFound(user_id=member_uid) members.append(self.__uid_to_dn(member_uid)) # always add the manager as a member because members is required if not manager_dn in members: @@ -265,9 +259,7 @@ class LdapDriver(object): attr = [] if manager_uid: if not self.__user_exists(manager_uid): - raise exception.NotFound(_("Project can't be modified because " - "manager %s doesn't exist") - % manager_uid) + raise exception.LDAPUserNotFound(user_id=manager_uid) manager_dn = self.__uid_to_dn(manager_uid) attr.append((self.ldap.MOD_REPLACE, LdapDriver.project_attribute, manager_dn)) @@ -347,7 +339,7 @@ class LdapDriver(object): def delete_user(self, uid): """Delete a user""" if not self.__user_exists(uid): - raise exception.NotFound(_("User %s doesn't exist") % uid) + raise exception.LDAPUserNotFound(user_id=uid) self.__remove_from_all(uid) if FLAGS.ldap_user_modify_only: # Delete attributes @@ -471,15 +463,12 @@ class LdapDriver(object): description, member_uids=None): """Create a group""" if self.__group_exists(group_dn): - raise exception.Duplicate(_("Group can't be created because " - "group %s already exists") % name) + raise exception.LDAPGroupExists(group=name) members = [] if member_uids is not None: for member_uid in member_uids: if not self.__user_exists(member_uid): - raise exception.NotFound(_("Group can't be created " - "because user %s doesn't exist") - % member_uid) + raise exception.LDAPUserNotFound(user_id=member_uid) members.append(self.__uid_to_dn(member_uid)) dn = self.__uid_to_dn(uid) if not dn in members: @@ -494,8 +483,7 @@ class LdapDriver(object): def __is_in_group(self, uid, group_dn): """Check if user is in group""" if not self.__user_exists(uid): - raise exception.NotFound(_("User %s can't be searched in group " - "because the user doesn't exist") % uid) + raise exception.LDAPUserNotFound(user_id=uid) if not self.__group_exists(group_dn): return False res = self.__find_object(group_dn, @@ -506,29 +494,23 @@ class LdapDriver(object): def __add_to_group(self, uid, group_dn): """Add user to group""" if not self.__user_exists(uid): - raise exception.NotFound(_("User %s can't be added to the group " - "because the user doesn't exist") % uid) + raise exception.LDAPUserNotFound(user_id=uid) if not self.__group_exists(group_dn): - raise exception.NotFound(_("The group at dn %s doesn't exist") % - group_dn) + raise exception.LDAPGroupNotFound(group_id=group_dn) if self.__is_in_group(uid, group_dn): - raise exception.Duplicate(_("User %(uid)s is already a member of " - "the group %(group_dn)s") % locals()) + raise exception.LDAPMembershipExists(uid=uid, group_dn=group_dn) attr = [(self.ldap.MOD_ADD, 'member', self.__uid_to_dn(uid))] self.conn.modify_s(group_dn, attr) def __remove_from_group(self, uid, group_dn): """Remove user from group""" if not self.__group_exists(group_dn): - raise exception.NotFound(_("The group at dn %s doesn't exist") - % group_dn) + raise exception.LDAPGroupNotFound(group_id=group_dn) if not self.__user_exists(uid): - raise exception.NotFound(_("User %s can't be removed from the " - "group because the user doesn't exist") - % uid) + raise exception.LDAPUserNotFound(user_id=uid) if not self.__is_in_group(uid, group_dn): - raise exception.NotFound(_("User %s is not a member of the group") - % uid) + raise exception.LDAPGroupMembershipNotFound(user_id=uid, + group_id=group_dn) # NOTE(vish): remove user from group and any sub_groups sub_dns = self.__find_group_dns_with_member(group_dn, uid) for sub_dn in sub_dns: @@ -548,9 +530,7 @@ class LdapDriver(object): def __remove_from_all(self, uid): """Remove user from all roles and projects""" if not self.__user_exists(uid): - raise exception.NotFound(_("User %s can't be removed from all " - "because the user doesn't exist") - % uid) + raise exception.LDAPUserNotFound(user_id=uid) role_dns = self.__find_group_dns_with_member( FLAGS.role_project_subtree, uid) for role_dn in role_dns: @@ -563,8 +543,7 @@ class LdapDriver(object): def __delete_group(self, group_dn): """Delete Group""" if not self.__group_exists(group_dn): - raise exception.NotFound(_("Group at dn %s doesn't exist") - % group_dn) + raise exception.LDAPGroupNotFound(group_id=group_dn) self.conn.delete_s(group_dn) def __delete_roles(self, project_dn): diff --git a/nova/auth/manager.py b/nova/auth/manager.py index 486845399..98d5f6eb6 100644 --- a/nova/auth/manager.py +++ b/nova/auth/manager.py @@ -223,6 +223,13 @@ class AuthManager(object): if driver or not getattr(self, 'driver', None): self.driver = utils.import_class(driver or FLAGS.auth_driver) + if FLAGS.memcached_servers: + import memcache + else: + from nova import fakememcache as memcache + self.mc = memcache.Client(FLAGS.memcached_servers, + debug=0) + def authenticate(self, access, signature, params, verb='GET', server_string='127.0.0.1:8773', path='/', check_type='ec2', headers=None): @@ -268,10 +275,9 @@ class AuthManager(object): LOG.debug(_('Looking up user: %r'), access_key) user = self.get_user_from_access_key(access_key) LOG.debug('user: %r', user) - if user == None: + if user is None: LOG.audit(_("Failed authorization for access key %s"), access_key) - raise exception.NotFound(_('No user found for access key %s') - % access_key) + raise exception.AccessKeyNotFound(access_key=access_key) # NOTE(vish): if we stop using project name as id we need better # logic to find a default project for user @@ -280,13 +286,12 @@ class AuthManager(object): project_id = user.name project = self.get_project(project_id) - if project == None: + if project is None: pjid = project_id uname = user.name LOG.audit(_("failed authorization: no project named %(pjid)s" " (user=%(uname)s)") % locals()) - raise exception.NotFound(_('No project called %s could be found') - % project_id) + raise exception.ProjectNotFound(project_id=project_id) if not self.is_admin(user) and not self.is_project_member(user, project): uname = user.name @@ -295,8 +300,8 @@ class AuthManager(object): pjid = project.id LOG.audit(_("Failed authorization: user %(uname)s not admin" " and not member of project %(pjname)s") % locals()) - raise exception.NotFound(_('User %(uid)s is not a member of' - ' project %(pjid)s') % locals()) + raise exception.ProjectMembershipNotFound(project_id=pjid, + user_id=uid) if check_type == 's3': sign = signer.Signer(user.secret.encode()) expected_signature = sign.s3_authorization(headers, verb, path) @@ -305,7 +310,8 @@ class AuthManager(object): LOG.debug('signature: %s', signature) if signature != expected_signature: LOG.audit(_("Invalid signature for user %s"), user.name) - raise exception.NotAuthorized(_('Signature does not match')) + raise exception.InvalidSignature(signature=signature, + user=user) elif check_type == 'ec2': # NOTE(vish): hmac can't handle unicode, so encode ensures that # secret isn't unicode @@ -316,7 +322,8 @@ class AuthManager(object): LOG.debug('signature: %s', signature) if signature != expected_signature: LOG.audit(_("Invalid signature for user %s"), user.name) - raise exception.NotAuthorized(_('Signature does not match')) + raise exception.InvalidSignature(signature=signature, + user=user) return (user, project) def get_access_key(self, user, project): @@ -360,6 +367,27 @@ class AuthManager(object): if self.has_role(user, role): return True + def _build_mc_key(self, user, role, project=None): + key_parts = ['rolecache', User.safe_id(user), str(role)] + if project: + key_parts.append(Project.safe_id(project)) + return '-'.join(key_parts) + + def _clear_mc_key(self, user, role, project=None): + # NOTE(anthony): it would be better to delete the key + self.mc.set(self._build_mc_key(user, role, project), None) + + def _has_role(self, user, role, project=None): + mc_key = self._build_mc_key(user, role, project) + rslt = self.mc.get(mc_key) + if rslt is None: + with self.driver() as drv: + rslt = drv.has_role(user, role, project) + self.mc.set(mc_key, rslt) + return rslt + else: + return rslt + def has_role(self, user, role, project=None): """Checks existence of role for user @@ -383,24 +411,24 @@ class AuthManager(object): @rtype: bool @return: True if the user has the role. """ - with self.driver() as drv: - if role == 'projectmanager': - if not project: - raise exception.Error(_("Must specify project")) - return self.is_project_manager(user, project) + if role == 'projectmanager': + if not project: + raise exception.Error(_("Must specify project")) + return self.is_project_manager(user, project) + + global_role = self._has_role(User.safe_id(user), + role, + None) - global_role = drv.has_role(User.safe_id(user), - role, - None) - if not global_role: - return global_role + if not global_role: + return global_role - if not project or role in FLAGS.global_roles: - return global_role + if not project or role in FLAGS.global_roles: + return global_role - return drv.has_role(User.safe_id(user), - role, - Project.safe_id(project)) + return self._has_role(User.safe_id(user), + role, + Project.safe_id(project)) def add_role(self, user, role, project=None): """Adds role for user @@ -420,9 +448,9 @@ class AuthManager(object): @param project: Project in which to add local role. """ if role not in FLAGS.allowed_roles: - raise exception.NotFound(_("The %s role can not be found") % role) + raise exception.UserRoleNotFound(role_id=role) if project is not None and role in FLAGS.global_roles: - raise exception.NotFound(_("The %s role is global only") % role) + raise exception.GlobalRoleNotAllowed(role_id=role) uid = User.safe_id(user) pid = Project.safe_id(project) if project: @@ -432,6 +460,7 @@ class AuthManager(object): LOG.audit(_("Adding sitewide role %(role)s to user %(uid)s") % locals()) with self.driver() as drv: + self._clear_mc_key(uid, role, pid) drv.add_role(uid, role, pid) def remove_role(self, user, role, project=None): @@ -460,6 +489,7 @@ class AuthManager(object): LOG.audit(_("Removing sitewide role %(role)s" " from user %(uid)s") % locals()) with self.driver() as drv: + self._clear_mc_key(uid, role, pid) drv.remove_role(uid, role, pid) @staticmethod @@ -646,9 +676,9 @@ class AuthManager(object): @rtype: User @return: The new user. """ - if access == None: + if access is None: access = str(uuid.uuid4()) - if secret == None: + if secret is None: secret = str(uuid.uuid4()) with self.driver() as drv: user_dict = drv.create_user(name, access, secret, admin) diff --git a/nova/cloudpipe/pipelib.py b/nova/cloudpipe/pipelib.py index dc6f55af2..7844d31e1 100644 --- a/nova/cloudpipe/pipelib.py +++ b/nova/cloudpipe/pipelib.py @@ -101,12 +101,13 @@ class CloudPipe(object): key_name = self.setup_key_pair(ctxt) group_name = self.setup_security_group(ctxt) + ec2_id = self.controller.image_ec2_id(FLAGS.vpn_image_id) reservation = self.controller.run_instances(ctxt, user_data=self.get_encoded_zip(project_id), max_count=1, min_count=1, instance_type='m1.tiny', - image_id=FLAGS.vpn_image_id, + image_id=ec2_id, key_name=key_name, security_group=[group_name]) diff --git a/nova/compute/api.py b/nova/compute/api.py index e6146231c..c85f0f53a 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -102,19 +102,40 @@ class API(base.Base): if len(content) > content_limit: raise quota.QuotaError(code="OnsetFileContentLimitExceeded") + def _check_metadata_properties_quota(self, context, metadata={}): + """Enforce quota limits on metadata properties.""" + num_metadata = len(metadata) + quota_metadata = quota.allowed_metadata_items(context, num_metadata) + if quota_metadata < num_metadata: + pid = context.project_id + msg = _("Quota exceeeded for %(pid)s, tried to set " + "%(num_metadata)s metadata properties") % locals() + LOG.warn(msg) + raise quota.QuotaError(msg, "MetadataLimitExceeded") + + # Because metadata is stored in the DB, we hard-code the size limits + # In future, we may support more variable length strings, so we act + # as if this is quota-controlled for forwards compatibility + for k, v in metadata.iteritems(): + if len(k) > 255 or len(v) > 255: + pid = context.project_id + msg = _("Quota exceeeded for %(pid)s, metadata property " + "key or value too long") % locals() + LOG.warn(msg) + raise quota.QuotaError(msg, "MetadataLimitExceeded") + def create(self, context, instance_type, image_id, kernel_id=None, ramdisk_id=None, min_count=1, max_count=1, display_name='', display_description='', key_name=None, key_data=None, security_group='default', - availability_zone=None, user_data=None, metadata=[], + availability_zone=None, user_data=None, metadata={}, injected_files=None): """Create the number and type of instances requested. Verifies that quota and other arguments are valid. """ - if not instance_type: instance_type = instance_types.get_default_instance_type() @@ -128,30 +149,7 @@ class API(base.Base): "run %s more instances of this type.") % num_instances, "InstanceLimitExceeded") - num_metadata = len(metadata) - quota_metadata = quota.allowed_metadata_items(context, num_metadata) - if quota_metadata < num_metadata: - pid = context.project_id - msg = (_("Quota exceeeded for %(pid)s," - " tried to set %(num_metadata)s metadata properties") - % locals()) - LOG.warn(msg) - raise quota.QuotaError(msg, "MetadataLimitExceeded") - - # Because metadata is stored in the DB, we hard-code the size limits - # In future, we may support more variable length strings, so we act - # as if this is quota-controlled for forwards compatibility - for metadata_item in metadata: - k = metadata_item['key'] - v = metadata_item['value'] - if len(k) > 255 or len(v) > 255: - pid = context.project_id - msg = (_("Quota exceeeded for %(pid)s," - " metadata property key or value too long") - % locals()) - LOG.warn(msg) - raise quota.QuotaError(msg, "MetadataLimitExceeded") - + self._check_metadata_properties_quota(context, metadata) self._check_injected_file_quota(context, injected_files) image = self.image_service.show(context, image_id) @@ -239,7 +237,7 @@ class API(base.Base): # Set sane defaults if not specified updates = dict(hostname=self.hostname_factory(instance_id)) if (not hasattr(instance, 'display_name') or - instance.display_name == None): + instance.display_name is None): updates['display_name'] = "Server %s" % instance_id instance = self.update(context, instance_id, **updates) @@ -509,8 +507,8 @@ class API(base.Base): migration_ref = self.db.migration_get_by_instance_and_status(context, instance_id, 'finished') if not migration_ref: - raise exception.NotFound(_("No finished migrations found for " - "instance")) + raise exception.MigrationNotFoundByStatus(instance_id=instance_id, + status='finished') params = {'migration_id': migration_ref['id']} self._cast_compute_message('revert_resize', context, instance_id, @@ -524,8 +522,8 @@ class API(base.Base): migration_ref = self.db.migration_get_by_instance_and_status(context, instance_id, 'finished') if not migration_ref: - raise exception.NotFound(_("No finished migrations found for " - "instance")) + raise exception.MigrationNotFoundByStatus(instance_id=instance_id, + status='finished') instance_ref = self.db.instance_get(context, instance_id) params = {'migration_id': migration_ref['id']} self._cast_compute_message('confirm_resize', context, instance_id, @@ -722,5 +720,8 @@ class API(base.Base): def update_or_create_instance_metadata(self, context, instance_id, metadata): """Updates or creates instance metadata.""" + combined_metadata = self.get_instance_metadata(context, instance_id) + combined_metadata.update(metadata) + self._check_metadata_properties_quota(context, combined_metadata) self.db.instance_metadata_update_or_create(context, instance_id, metadata) diff --git a/nova/compute/instance_types.py b/nova/compute/instance_types.py index f893f8478..1275a6fdd 100644 --- a/nova/compute/instance_types.py +++ b/nova/compute/instance_types.py @@ -37,11 +37,11 @@ def create(name, memory, vcpus, local_gb, flavorid, swap=0, try: int(option) except ValueError: - raise exception.InvalidInputException( - _("create arguments must be positive integers")) + raise exception.InvalidInput(reason=_("create arguments must " + "be positive integers")) if (int(memory) <= 0) or (int(vcpus) <= 0) or (int(local_gb) < 0): - raise exception.InvalidInputException( - _("create arguments must be positive integers")) + raise exception.InvalidInput(reason=_("create arguments must " + "be positive integers")) try: db.instance_type_create( @@ -56,13 +56,15 @@ def create(name, memory, vcpus, local_gb, flavorid, swap=0, rxtx_cap=rxtx_cap)) except exception.DBError, e: LOG.exception(_('DB error: %s') % e) - raise exception.ApiError(_("Cannot create instance type: %s") % name) + raise exception.ApiError(_("Cannot create instance_type with " + "name %(name)s and flavorid %(flavorid)s") + % locals()) def destroy(name): """Marks instance types as deleted.""" - if name == None: - raise exception.InvalidInputException(_("No instance type specified")) + if name is None: + raise exception.InvalidInstanceType(instance_type=name) else: try: db.instance_type_destroy(context.get_admin_context(), name) @@ -73,8 +75,8 @@ def destroy(name): def purge(name): """Removes instance types from database.""" - if name == None: - raise exception.InvalidInputException(_("No instance type specified")) + if name is None: + raise exception.InvalidInstanceType(instance_type=name) else: try: db.instance_type_purge(context.get_admin_context(), name) diff --git a/nova/compute/manager.py b/nova/compute/manager.py index 39d7af9c1..61564cb7d 100644 --- a/nova/compute/manager.py +++ b/nova/compute/manager.py @@ -17,8 +17,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Handles all processes relating to instances (guest vms). +"""Handles all processes relating to instances (guest vms). The :py:class:`ComputeManager` class is a :py:class:`nova.manager.Manager` that handles RPC calls relating to creating instances. It is responsible for @@ -33,12 +32,11 @@ terminating it. by :func:`nova.utils.import_object` :volume_manager: Name of class that handles persistent storage, loaded by :func:`nova.utils.import_object` + """ import datetime import os -import random -import string import socket import sys import tempfile @@ -50,11 +48,14 @@ from nova import exception from nova import flags from nova import log as logging from nova import manager +from nova import network from nova import rpc from nova import utils +from nova import volume from nova.compute import power_state from nova.virt import driver + FLAGS = flags.FLAGS flags.DEFINE_string('instances_path', '$state_path/instances', 'where instances are stored on disk') @@ -73,20 +74,17 @@ flags.DEFINE_integer('live_migration_retry_count', 30, flags.DEFINE_integer("rescue_timeout", 0, "Automatically unrescue an instance after N seconds." " Set to 0 to disable.") +flags.DEFINE_bool('auto_assign_floating_ip', False, + 'Autoassigning floating ip to VM') + LOG = logging.getLogger('nova.compute.manager') def checks_instance_lock(function): - """ - decorator used for preventing action against locked instances - unless, of course, you happen to be admin - - """ - + """Decorator to prevent action against locked instances for non-admins.""" @functools.wraps(function) def decorated_function(self, context, instance_id, *args, **kwargs): - LOG.info(_("check_instance_lock: decorating: |%s|"), function, context=context) LOG.info(_("check_instance_lock: arguments: |%(self)s| |%(context)s|" @@ -112,7 +110,6 @@ def checks_instance_lock(function): class ComputeManager(manager.SchedulerDependentManager): - """Manages the running instances from creation to destruction.""" def __init__(self, compute_driver=None, *args, **kwargs): @@ -132,13 +129,12 @@ class ComputeManager(manager.SchedulerDependentManager): self.network_manager = utils.import_object(FLAGS.network_manager) self.volume_manager = utils.import_object(FLAGS.volume_manager) + self.network_api = network.API() super(ComputeManager, self).__init__(service_name="compute", *args, **kwargs) def init_host(self): - """Do any initialization that needs to be run if this is a - standalone service. - """ + """Initialization for a standalone compute service.""" self.driver.init_host(host=self.host) def _update_state(self, context, instance_id): @@ -153,16 +149,18 @@ class ComputeManager(manager.SchedulerDependentManager): self.db.instance_set_state(context, instance_id, state) def get_console_topic(self, context, **kwargs): - """Retrieves the console host for a project on this host - Currently this is just set in the flags for each compute - host.""" + """Retrieves the console host for a project on this host. + + Currently this is just set in the flags for each compute host. + + """ #TODO(mdragon): perhaps make this variable by console_type? return self.db.queue_get_for(context, FLAGS.console_topic, FLAGS.console_host) def get_network_topic(self, context, **kwargs): - """Retrieves the network host for a project on this host""" + """Retrieves the network host for a project on this host.""" # TODO(vish): This method should be memoized. This will make # the call to get_network_host cheaper, so that # it can pas messages instead of checking the db @@ -179,15 +177,23 @@ class ComputeManager(manager.SchedulerDependentManager): return self.driver.get_console_pool_info(console_type) @exception.wrap_exception - def refresh_security_group_rules(self, context, - security_group_id, **kwargs): - """This call passes straight through to the virtualization driver.""" + def refresh_security_group_rules(self, context, security_group_id, + **kwargs): + """Tell the virtualization driver to refresh security group rules. + + Passes straight through to the virtualization driver. + + """ return self.driver.refresh_security_group_rules(security_group_id) @exception.wrap_exception def refresh_security_group_members(self, context, security_group_id, **kwargs): - """This call passes straight through to the virtualization driver.""" + """Tell the virtualization driver to refresh security group members. + + Passes straight through to the virtualization driver. + + """ return self.driver.refresh_security_group_members(security_group_id) @exception.wrap_exception @@ -209,7 +215,7 @@ class ComputeManager(manager.SchedulerDependentManager): power_state.NOSTATE, 'networking') - is_vpn = instance_ref['image_id'] == FLAGS.vpn_image_id + is_vpn = instance_ref['image_id'] == str(FLAGS.vpn_image_id) # NOTE(vish): This could be a cast because we don't do anything # with the address currently, but I'm leaving it as # a call to ensure that network setup completes. We @@ -244,12 +250,24 @@ class ComputeManager(manager.SchedulerDependentManager): instance_id, power_state.SHUTDOWN) + if not FLAGS.stub_network and FLAGS.auto_assign_floating_ip: + public_ip = self.network_api.allocate_floating_ip(context) + + self.db.floating_ip_set_auto_assigned(context, public_ip) + fixed_ip = self.db.fixed_ip_get_by_address(context, address) + floating_ip = self.db.floating_ip_get_by_address(context, + public_ip) + + self.network_api.associate_floating_ip(context, + floating_ip, + fixed_ip, + affect_auto_assigned=True) self._update_state(context, instance_id) @exception.wrap_exception @checks_instance_lock def terminate_instance(self, context, instance_id): - """Terminate an instance on this machine.""" + """Terminate an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_("Terminating instance %s"), instance_id, context=context) @@ -264,13 +282,17 @@ class ComputeManager(manager.SchedulerDependentManager): # NOTE(vish): Right now we don't really care if the ip is # disassociated. We may need to worry about # checking this later. - network_topic = self.db.queue_get_for(context, - FLAGS.network_topic, - floating_ip['host']) - rpc.cast(context, - network_topic, - {"method": "disassociate_floating_ip", - "args": {"floating_address": address}}) + self.network_api.disassociate_floating_ip(context, + address, + True) + if (FLAGS.auto_assign_floating_ip + and floating_ip.get('auto_assigned')): + LOG.debug(_("Deallocating floating ip %s"), + floating_ip['address'], + context=context) + self.network_api.release_floating_ip(context, + address, + True) address = fixed_ip['address'] if address: @@ -297,7 +319,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def reboot_instance(self, context, instance_id): - """Reboot an instance on this server.""" + """Reboot an instance on this host.""" context = context.elevated() self._update_state(context, instance_id) instance_ref = self.db.instance_get(context, instance_id) @@ -321,7 +343,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception def snapshot_instance(self, context, instance_id, image_id): - """Snapshot an instance on this server.""" + """Snapshot an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) @@ -344,7 +366,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def set_admin_password(self, context, instance_id, new_pass=None): - """Set the root/admin password for an instance on this server.""" + """Set the root/admin password for an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) instance_id = instance_ref['id'] @@ -365,7 +387,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def inject_file(self, context, instance_id, path, file_contents): - """Write a file to the specified path on an instance on this server""" + """Write a file to the specified path in an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) instance_id = instance_ref['id'] @@ -383,44 +405,34 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def rescue_instance(self, context, instance_id): - """Rescue an instance on this server.""" + """Rescue an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: rescuing'), instance_id, context=context) - self.db.instance_set_state( - context, - instance_id, - power_state.NOSTATE, - 'rescuing') + self.db.instance_set_state(context, + instance_id, + power_state.NOSTATE, + 'rescuing') self.network_manager.setup_compute_network(context, instance_id) - self.driver.rescue( - instance_ref, - lambda result: self._update_state_callback( - self, - context, - instance_id, - result)) + _update_state = lambda result: self._update_state_callback( + self, context, instance_id, result) + self.driver.rescue(instance_ref, _update_state) self._update_state(context, instance_id) @exception.wrap_exception @checks_instance_lock def unrescue_instance(self, context, instance_id): - """Rescue an instance on this server.""" + """Rescue an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: unrescuing'), instance_id, context=context) - self.db.instance_set_state( - context, - instance_id, - power_state.NOSTATE, - 'unrescuing') - self.driver.unrescue( - instance_ref, - lambda result: self._update_state_callback( - self, - context, - instance_id, - result)) + self.db.instance_set_state(context, + instance_id, + power_state.NOSTATE, + 'unrescuing') + _update_state = lambda result: self._update_state_callback( + self, context, instance_id, result) + self.driver.unrescue(instance_ref, _update_state) self._update_state(context, instance_id) @staticmethod @@ -431,18 +443,20 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def confirm_resize(self, context, instance_id, migration_id): - """Destroys the source instance""" + """Destroys the source instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) - migration_ref = self.db.migration_get(context, migration_id) self.driver.destroy(instance_ref) @exception.wrap_exception @checks_instance_lock def revert_resize(self, context, instance_id, migration_id): - """Destroys the new instance on the destination machine, - reverts the model changes, and powers on the old - instance on the source machine""" + """Destroys the new instance on the destination machine. + + Reverts the model changes, and powers on the old instance on the + source machine. + + """ instance_ref = self.db.instance_get(context, instance_id) migration_ref = self.db.migration_get(context, migration_id) @@ -459,9 +473,12 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def finish_revert_resize(self, context, instance_id, migration_id): - """Finishes the second half of reverting a resize, powering back on - the source instance and reverting the resized attributes in the - database""" + """Finishes the second half of reverting a resize. + + Power back on the source instance and revert the resized attributes + in the database. + + """ instance_ref = self.db.instance_get(context, instance_id) migration_ref = self.db.migration_get(context, migration_id) instance_type = self.db.instance_type_get_by_flavor_id(context, @@ -481,8 +498,11 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def prep_resize(self, context, instance_id, flavor_id): - """Initiates the process of moving a running instance to another - host, possibly changing the RAM and disk size in the process""" + """Initiates the process of moving a running instance to another host. + + Possibly changes the RAM and disk size in the process. + + """ context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) if instance_ref['host'] == FLAGS.host: @@ -514,34 +534,38 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def resize_instance(self, context, instance_id, migration_id): - """Starts the migration of a running instance to another host""" + """Starts the migration of a running instance to another host.""" migration_ref = self.db.migration_get(context, migration_id) instance_ref = self.db.instance_get(context, instance_id) - self.db.migration_update(context, migration_id, - {'status': 'migrating', }) - - disk_info = self.driver.migrate_disk_and_power_off(instance_ref, - migration_ref['dest_host']) - self.db.migration_update(context, migration_id, - {'status': 'post-migrating', }) - - service = self.db.service_get_by_host_and_topic(context, - migration_ref['dest_compute'], FLAGS.compute_topic) - topic = self.db.queue_get_for(context, FLAGS.compute_topic, - migration_ref['dest_compute']) - rpc.cast(context, topic, - {'method': 'finish_resize', - 'args': { - 'migration_id': migration_id, - 'instance_id': instance_id, - 'disk_info': disk_info, }, - }) + self.db.migration_update(context, + migration_id, + {'status': 'migrating'}) + + disk_info = self.driver.migrate_disk_and_power_off( + instance_ref, migration_ref['dest_host']) + self.db.migration_update(context, + migration_id, + {'status': 'post-migrating'}) + + service = self.db.service_get_by_host_and_topic( + context, migration_ref['dest_compute'], FLAGS.compute_topic) + topic = self.db.queue_get_for(context, + FLAGS.compute_topic, + migration_ref['dest_compute']) + rpc.cast(context, topic, {'method': 'finish_resize', + 'args': {'migration_id': migration_id, + 'instance_id': instance_id, + 'disk_info': disk_info}}) @exception.wrap_exception @checks_instance_lock def finish_resize(self, context, instance_id, migration_id, disk_info): - """Completes the migration process by setting up the newly transferred - disk and turning on the instance on its new host machine""" + """Completes the migration process. + + Sets up the newly transferred disk and turns on the instance at its + new host machine. + + """ migration_ref = self.db.migration_get(context, migration_id) instance_ref = self.db.instance_get(context, migration_ref['instance_id']) @@ -566,7 +590,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def pause_instance(self, context, instance_id): - """Pause an instance on this server.""" + """Pause an instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: pausing'), instance_id, context=context) @@ -583,7 +607,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def unpause_instance(self, context, instance_id): - """Unpause a paused instance on this server.""" + """Unpause a paused instance on this host.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: unpausing'), instance_id, context=context) @@ -599,7 +623,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception def get_diagnostics(self, context, instance_id): - """Retrieve diagnostics for an instance on this server.""" + """Retrieve diagnostics for an instance on this host.""" instance_ref = self.db.instance_get(context, instance_id) if instance_ref["state"] == power_state.RUNNING: @@ -610,10 +634,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def suspend_instance(self, context, instance_id): - """ - suspend the instance with instance_id - - """ + """Suspend the given instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: suspending'), instance_id, context=context) @@ -629,10 +650,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock def resume_instance(self, context, instance_id): - """ - resume the suspended instance with instance_id - - """ + """Resume the given suspended instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: resuming'), instance_id, context=context) @@ -647,34 +665,23 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception def lock_instance(self, context, instance_id): - """ - lock the instance with instance_id - - """ + """Lock the given instance.""" context = context.elevated() - instance_ref = self.db.instance_get(context, instance_id) LOG.debug(_('instance %s: locking'), instance_id, context=context) self.db.instance_update(context, instance_id, {'locked': True}) @exception.wrap_exception def unlock_instance(self, context, instance_id): - """ - unlock the instance with instance_id - - """ + """Unlock the given instance.""" context = context.elevated() - instance_ref = self.db.instance_get(context, instance_id) LOG.debug(_('instance %s: unlocking'), instance_id, context=context) self.db.instance_update(context, instance_id, {'locked': False}) @exception.wrap_exception def get_lock(self, context, instance_id): - """ - return the boolean state of (instance with instance_id)'s lock - - """ + """Return the boolean state of the given instance's lock.""" context = context.elevated() LOG.debug(_('instance %s: getting locked state'), instance_id, context=context) @@ -683,10 +690,7 @@ class ComputeManager(manager.SchedulerDependentManager): @checks_instance_lock def reset_network(self, context, instance_id): - """ - Reset networking on the instance. - - """ + """Reset networking on the given instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.debug(_('instance %s: reset network'), instance_id, @@ -695,10 +699,7 @@ class ComputeManager(manager.SchedulerDependentManager): @checks_instance_lock def inject_network_info(self, context, instance_id): - """ - Inject network info for the instance. - - """ + """Inject network info for the given instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.debug(_('instance %s: inject network info'), instance_id, @@ -707,7 +708,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception def get_console_output(self, context, instance_id): - """Send the console output for an instance.""" + """Send the console output for the given instance.""" context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_("Get console output for instance %s"), instance_id, @@ -716,20 +717,18 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception def get_ajax_console(self, context, instance_id): - """Return connection information for an ajax console""" + """Return connection information for an ajax console.""" context = context.elevated() LOG.debug(_("instance %s: getting ajax console"), instance_id) instance_ref = self.db.instance_get(context, instance_id) - return self.driver.get_ajax_console(instance_ref) @exception.wrap_exception def get_vnc_console(self, context, instance_id): - """Return connection information for an vnc console.""" + """Return connection information for a vnc console.""" context = context.elevated() LOG.debug(_("instance %s: getting vnc console"), instance_id) instance_ref = self.db.instance_get(context, instance_id) - return self.driver.get_vnc_console(instance_ref) @checks_instance_lock @@ -781,9 +780,17 @@ class ComputeManager(manager.SchedulerDependentManager): self.db.volume_detached(context, volume_id) return True + def remove_volume(self, context, volume_id): + """Remove volume on compute host. + + :param context: security context + :param volume_id: volume ID + """ + self.volume_manager.remove_compute_volume(context, volume_id) + @exception.wrap_exception def compare_cpu(self, context, cpu_info): - """Checks the host cpu is compatible to a cpu given by xml. + """Checks that the host cpu is compatible with a cpu given by xml. :param context: security context :param cpu_info: json string obtained from virConnect.getCapabilities @@ -804,7 +811,6 @@ class ComputeManager(manager.SchedulerDependentManager): :returns: tmpfile name(basename) """ - dirpath = FLAGS.instances_path fd, tmp_file = tempfile.mkstemp(dir=dirpath) LOG.debug(_("Creating tmpfile %s to notify to other " @@ -821,10 +827,9 @@ class ComputeManager(manager.SchedulerDependentManager): :param filename: confirm existence of FLAGS.instances_path/thisfile """ - tmp_file = os.path.join(FLAGS.instances_path, filename) if not os.path.exists(tmp_file): - raise exception.NotFound(_('%s not found') % tmp_file) + raise exception.FileNotFound(file_path=tmp_file) @exception.wrap_exception def cleanup_shared_storage_test_file(self, context, filename): @@ -834,7 +839,6 @@ class ComputeManager(manager.SchedulerDependentManager): :param filename: remove existence of FLAGS.instances_path/thisfile """ - tmp_file = os.path.join(FLAGS.instances_path, filename) os.remove(tmp_file) @@ -846,7 +850,6 @@ class ComputeManager(manager.SchedulerDependentManager): :returns: See driver.update_available_resource() """ - return self.driver.update_available_resource(context, self.host) def pre_live_migration(self, context, instance_id, time=None): @@ -856,7 +859,6 @@ class ComputeManager(manager.SchedulerDependentManager): :param instance_id: nova.db.sqlalchemy.models.Instance.Id """ - if not time: time = greenthread @@ -867,8 +869,7 @@ class ComputeManager(manager.SchedulerDependentManager): # Getting fixed ips fixed_ip = self.db.instance_get_fixed_address(context, instance_id) if not fixed_ip: - msg = _("%(instance_id)s(%(ec2_id)s) does not have fixed_ip.") - raise exception.NotFound(msg % locals()) + raise exception.NoFixedIpsFoundForInstance(instance_id=instance_id) # If any volume is mounted, prepare here. if not instance_ref['volumes']: @@ -915,7 +916,6 @@ class ComputeManager(manager.SchedulerDependentManager): :param dest: destination host """ - # Get instance for error handling. instance_ref = self.db.instance_get(context, instance_id) i_name = instance_ref.name @@ -1006,17 +1006,15 @@ class ComputeManager(manager.SchedulerDependentManager): "Domain not found: no domain with matching name.\" " "This error can be safely ignored.")) - def recover_live_migration(self, ctxt, instance_ref, host=None): + def recover_live_migration(self, ctxt, instance_ref, host=None, dest=None): """Recovers Instance/volume state from migrating -> running. :param ctxt: security context :param instance_id: nova.db.sqlalchemy.models.Instance.Id - :param host: - DB column value is updated by this hostname. - if none, the host instance currently running is selected. + :param host: DB column value is updated by this hostname. + If none, the host instance currently running is selected. """ - if not host: host = instance_ref['host'] @@ -1026,8 +1024,13 @@ class ComputeManager(manager.SchedulerDependentManager): 'state': power_state.RUNNING, 'host': host}) - for volume in instance_ref['volumes']: - self.db.volume_update(ctxt, volume['id'], {'status': 'in-use'}) + if dest: + volume_api = volume.API() + for volume_ref in instance_ref['volumes']: + volume_id = volume_ref['id'] + self.db.volume_update(ctxt, volume_id, {'status': 'in-use'}) + if dest: + volume_api.remove_from_compute(ctxt, volume_id, dest) def periodic_tasks(self, context=None): """Tasks to be run at a periodic interval.""" diff --git a/nova/compute/monitor.py b/nova/compute/monitor.py index 04e08a235..3bb54a382 100644 --- a/nova/compute/monitor.py +++ b/nova/compute/monitor.py @@ -260,7 +260,7 @@ class Instance(object): try: data = self.fetch_cpu_stats() - if data != None: + if data is not None: LOG.debug('CPU: %s', data) update_rrd(self, 'cpu', data) @@ -313,7 +313,7 @@ class Instance(object): LOG.debug('CPU: %d', self.cputime) # Skip calculation on first pass. Need delta to get a meaningful value. - if cputime_last_updated == None: + if cputime_last_updated is None: return None # Calculate the number of seconds between samples. diff --git a/nova/console/api.py b/nova/console/api.py index 3850d2c44..137ddcaac 100644 --- a/nova/console/api.py +++ b/nova/console/api.py @@ -15,23 +15,19 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Handles ConsoleProxy API requests -""" +"""Handles ConsoleProxy API requests.""" from nova import exception -from nova.db import base - - from nova import flags from nova import rpc +from nova.db import base FLAGS = flags.FLAGS class API(base.Base): - """API for spining up or down console proxy connections""" + """API for spinning up or down console proxy connections.""" def __init__(self, **kwargs): super(API, self).__init__(**kwargs) @@ -51,8 +47,8 @@ class API(base.Base): self.db.queue_get_for(context, FLAGS.console_topic, pool['host']), - {"method": "remove_console", - "args": {"console_id": console['id']}}) + {'method': 'remove_console', + 'args': {'console_id': console['id']}}) def create_console(self, context, instance_id): instance = self.db.instance_get(context, instance_id) @@ -63,13 +59,12 @@ class API(base.Base): # here. rpc.cast(context, self._get_console_topic(context, instance['host']), - {"method": "add_console", - "args": {"instance_id": instance_id}}) + {'method': 'add_console', + 'args': {'instance_id': instance_id}}) def _get_console_topic(self, context, instance_host): topic = self.db.queue_get_for(context, FLAGS.compute_topic, instance_host) - return rpc.call(context, - topic, - {"method": "get_console_topic", "args": {'fake': 1}}) + return rpc.call(context, topic, {'method': 'get_console_topic', + 'args': {'fake': 1}}) diff --git a/nova/console/fake.py b/nova/console/fake.py index 7a90d5221..e2eb886f8 100644 --- a/nova/console/fake.py +++ b/nova/console/fake.py @@ -15,9 +15,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Fake ConsoleProxy driver for tests. -""" +"""Fake ConsoleProxy driver for tests.""" from nova import exception @@ -27,32 +25,32 @@ class FakeConsoleProxy(object): @property def console_type(self): - return "fake" + return 'fake' def setup_console(self, context, console): - """Sets up actual proxies""" + """Sets up actual proxies.""" pass def teardown_console(self, context, console): - """Tears down actual proxies""" + """Tears down actual proxies.""" pass def init_host(self): - """Start up any config'ed consoles on start""" + """Start up any config'ed consoles on start.""" pass def generate_password(self, length=8): - """Returns random console password""" - return "fakepass" + """Returns random console password.""" + return 'fakepass' def get_port(self, context): - """get available port for consoles that need one""" + """Get available port for consoles that need one.""" return 5999 def fix_pool_password(self, password): - """Trim password to length, and any other massaging""" + """Trim password to length, and any other massaging.""" return password def fix_console_password(self, password): - """Trim password to length, and any other massaging""" + """Trim password to length, and any other massaging.""" return password diff --git a/nova/console/manager.py b/nova/console/manager.py index bfa571ea9..e0db21666 100644 --- a/nova/console/manager.py +++ b/nova/console/manager.py @@ -15,9 +15,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Console Proxy Service -""" +"""Console Proxy Service.""" import functools import socket @@ -29,6 +27,7 @@ from nova import manager from nova import rpc from nova import utils + FLAGS = flags.FLAGS flags.DEFINE_string('console_driver', 'nova.console.xvp.XVPConsoleProxy', @@ -41,9 +40,11 @@ flags.DEFINE_string('console_public_hostname', class ConsoleProxyManager(manager.Manager): + """Sets up and tears down any console proxy connections. + + Needed for accessing instance consoles securely. - """ Sets up and tears down any proxy connections needed for accessing - instance consoles securely""" + """ def __init__(self, console_driver=None, *args, **kwargs): if not console_driver: @@ -67,7 +68,7 @@ class ConsoleProxyManager(manager.Manager): pool['id'], instance_id) except exception.NotFound: - logging.debug(_("Adding console")) + logging.debug(_('Adding console')) if not password: password = utils.generate_password(8) if not port: @@ -115,8 +116,8 @@ class ConsoleProxyManager(manager.Manager): self.db.queue_get_for(context, FLAGS.compute_topic, instance_host), - {"method": "get_console_pool_info", - "args": {"console_type": console_type}}) + {'method': 'get_console_pool_info', + 'args': {'console_type': console_type}}) pool_info['password'] = self.driver.fix_pool_password( pool_info['password']) pool_info['host'] = self.host diff --git a/nova/console/vmrc.py b/nova/console/vmrc.py index 521da289f..cc8b0cdf5 100644 --- a/nova/console/vmrc.py +++ b/nova/console/vmrc.py @@ -15,9 +15,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -VMRC console drivers. -""" +"""VMRC console drivers.""" import base64 import json @@ -27,6 +25,8 @@ from nova import flags from nova import log as logging from nova.virt.vmwareapi import vim_util + +FLAGS = flags.FLAGS flags.DEFINE_integer('console_vmrc_port', 443, "port for VMware VMRC connections") @@ -34,8 +34,6 @@ flags.DEFINE_integer('console_vmrc_error_retries', 10, "number of retries for retrieving VMRC information") -FLAGS = flags.FLAGS - class VMRCConsole(object): """VMRC console driver with ESX credentials.""" @@ -69,34 +67,33 @@ class VMRCConsole(object): return password def generate_password(self, vim_session, pool, instance_name): - """ - Returns VMRC Connection credentials. + """Returns VMRC Connection credentials. Return string is of the form '<VM PATH>:<ESX Username>@<ESX Password>'. + """ username, password = pool['username'], pool['password'] - vms = vim_session._call_method(vim_util, "get_objects", - "VirtualMachine", ["name", "config.files.vmPathName"]) + vms = vim_session._call_method(vim_util, 'get_objects', + 'VirtualMachine', ['name', 'config.files.vmPathName']) vm_ds_path_name = None vm_ref = None for vm in vms: vm_name = None ds_path_name = None for prop in vm.propSet: - if prop.name == "name": + if prop.name == 'name': vm_name = prop.val - elif prop.name == "config.files.vmPathName": + elif prop.name == 'config.files.vmPathName': ds_path_name = prop.val if vm_name == instance_name: vm_ref = vm.obj vm_ds_path_name = ds_path_name break if vm_ref is None: - raise exception.NotFound(_("instance - %s not present") % - instance_name) - json_data = json.dumps({"vm_id": vm_ds_path_name, - "username": username, - "password": password}) + raise exception.InstanceNotFound(instance_id=instance_name) + json_data = json.dumps({'vm_id': vm_ds_path_name, + 'username': username, + 'password': password}) return base64.b64encode(json_data) def is_otp(self): @@ -115,28 +112,27 @@ class VMRCSessionConsole(VMRCConsole): return 'vmrc+session' def generate_password(self, vim_session, pool, instance_name): - """ - Returns a VMRC Session. + """Returns a VMRC Session. Return string is of the form '<VM MOID>:<VMRC Ticket>'. + """ - vms = vim_session._call_method(vim_util, "get_objects", - "VirtualMachine", ["name"]) - vm_ref = None + vms = vim_session._call_method(vim_util, 'get_objects', + 'VirtualMachine', ['name']) + vm_ref = NoneV for vm in vms: if vm.propSet[0].val == instance_name: vm_ref = vm.obj if vm_ref is None: - raise exception.NotFound(_("instance - %s not present") % - instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) virtual_machine_ticket = \ vim_session._call_method( vim_session._get_vim(), - "AcquireCloneTicket", + 'AcquireCloneTicket', vim_session._get_vim().get_service_content().sessionManager) - json_data = json.dumps({"vm_id": str(vm_ref.value), - "username": virtual_machine_ticket, - "password": virtual_machine_ticket}) + json_data = json.dumps({'vm_id': str(vm_ref.value), + 'username': virtual_machine_ticket, + 'password': virtual_machine_ticket}) return base64.b64encode(json_data) def is_otp(self): diff --git a/nova/console/vmrc_manager.py b/nova/console/vmrc_manager.py index 09beac7a0..acecc1075 100644 --- a/nova/console/vmrc_manager.py +++ b/nova/console/vmrc_manager.py @@ -15,9 +15,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -VMRC Console Manager. -""" +"""VMRC Console Manager.""" from nova import exception from nova import flags @@ -25,24 +23,21 @@ from nova import log as logging from nova import manager from nova import rpc from nova import utils -from nova.virt.vmwareapi_conn import VMWareAPISession +from nova.virt import vmwareapi_conn + LOG = logging.getLogger("nova.console.vmrc_manager") + FLAGS = flags.FLAGS -flags.DEFINE_string('console_public_hostname', - '', +flags.DEFINE_string('console_public_hostname', '', 'Publicly visible name for this console host') -flags.DEFINE_string('console_driver', - 'nova.console.vmrc.VMRCConsole', +flags.DEFINE_string('console_driver', 'nova.console.vmrc.VMRCConsole', 'Driver to use for the console') class ConsoleVMRCManager(manager.Manager): - - """ - Manager to handle VMRC connections needed for accessing instance consoles. - """ + """Manager to handle VMRC connections for accessing instance consoles.""" def __init__(self, console_driver=None, *args, **kwargs): self.driver = utils.import_object(FLAGS.console_driver) @@ -56,16 +51,17 @@ class ConsoleVMRCManager(manager.Manager): """Get VIM session for the pool specified.""" vim_session = None if pool['id'] not in self.sessions.keys(): - vim_session = VMWareAPISession(pool['address'], - pool['username'], - pool['password'], - FLAGS.console_vmrc_error_retries) + vim_session = vmwareapi_conn.VMWareAPISession( + pool['address'], + pool['username'], + pool['password'], + FLAGS.console_vmrc_error_retries) self.sessions[pool['id']] = vim_session return self.sessions[pool['id']] def _generate_console(self, context, pool, name, instance_id, instance): """Sets up console for the instance.""" - LOG.debug(_("Adding console")) + LOG.debug(_('Adding console')) password = self.driver.generate_password( self._get_vim_session(pool), @@ -84,9 +80,10 @@ class ConsoleVMRCManager(manager.Manager): @exception.wrap_exception def add_console(self, context, instance_id, password=None, port=None, **kwargs): - """ - Adds a console for the instance. If it is one time password, then we - generate new console credentials. + """Adds a console for the instance. + + If it is one time password, then we generate new console credentials. + """ instance = self.db.instance_get(context, instance_id) host = instance['host'] @@ -97,19 +94,17 @@ class ConsoleVMRCManager(manager.Manager): pool['id'], instance_id) if self.driver.is_otp(): - console = self._generate_console( - context, - pool, - name, - instance_id, - instance) + console = self._generate_console(context, + pool, + name, + instance_id, + instance) except exception.NotFound: - console = self._generate_console( - context, - pool, - name, - instance_id, - instance) + console = self._generate_console(context, + pool, + name, + instance_id, + instance) return console['id'] @exception.wrap_exception @@ -118,13 +113,11 @@ class ConsoleVMRCManager(manager.Manager): try: console = self.db.console_get(context, console_id) except exception.NotFound: - LOG.debug(_("Tried to remove non-existent console " - "%(console_id)s.") % - {'console_id': console_id}) + LOG.debug(_('Tried to remove non-existent console ' + '%(console_id)s.') % {'console_id': console_id}) return - LOG.debug(_("Removing console " - "%(console_id)s.") % - {'console_id': console_id}) + LOG.debug(_('Removing console ' + '%(console_id)s.') % {'console_id': console_id}) self.db.console_delete(context, console_id) self.driver.teardown_console(context, console) @@ -139,11 +132,11 @@ class ConsoleVMRCManager(manager.Manager): console_type) except exception.NotFound: pool_info = rpc.call(context, - self.db.queue_get_for(context, - FLAGS.compute_topic, - instance_host), - {"method": "get_console_pool_info", - "args": {"console_type": console_type}}) + self.db.queue_get_for(context, + FLAGS.compute_topic, + instance_host), + {'method': 'get_console_pool_info', + 'args': {'console_type': console_type}}) pool_info['password'] = self.driver.fix_pool_password( pool_info['password']) pool_info['host'] = self.host diff --git a/nova/console/xvp.py b/nova/console/xvp.py index 0cedfbb13..3cd287183 100644 --- a/nova/console/xvp.py +++ b/nova/console/xvp.py @@ -15,16 +15,14 @@ # License for the specific language governing permissions and limitations # under the License. -""" -XVP (Xenserver VNC Proxy) driver. -""" +"""XVP (Xenserver VNC Proxy) driver.""" import fcntl import os import signal import subprocess -from Cheetah.Template import Template +from Cheetah import Template from nova import context from nova import db @@ -33,6 +31,8 @@ from nova import flags from nova import log as logging from nova import utils + +FLAGS = flags.FLAGS flags.DEFINE_string('console_xvp_conf_template', utils.abspath('console/xvp.conf.template'), 'XVP conf template') @@ -47,12 +47,11 @@ flags.DEFINE_string('console_xvp_log', 'XVP log file') flags.DEFINE_integer('console_xvp_multiplex_port', 5900, - "port for XVP to multiplex VNC connections on") -FLAGS = flags.FLAGS + 'port for XVP to multiplex VNC connections on') class XVPConsoleProxy(object): - """Sets up XVP config, and manages xvp daemon""" + """Sets up XVP config, and manages XVP daemon.""" def __init__(self): self.xvpconf_template = open(FLAGS.console_xvp_conf_template).read() @@ -61,50 +60,51 @@ class XVPConsoleProxy(object): @property def console_type(self): - return "vnc+xvp" + return 'vnc+xvp' def get_port(self, context): - """get available port for consoles that need one""" + """Get available port for consoles that need one.""" #TODO(mdragon): implement port selection for non multiplex ports, # we are not using that, but someone else may want # it. return FLAGS.console_xvp_multiplex_port def setup_console(self, context, console): - """Sets up actual proxies""" + """Sets up actual proxies.""" self._rebuild_xvp_conf(context.elevated()) def teardown_console(self, context, console): - """Tears down actual proxies""" + """Tears down actual proxies.""" self._rebuild_xvp_conf(context.elevated()) def init_host(self): - """Start up any config'ed consoles on start""" + """Start up any config'ed consoles on start.""" ctxt = context.get_admin_context() self._rebuild_xvp_conf(ctxt) def fix_pool_password(self, password): - """Trim password to length, and encode""" + """Trim password to length, and encode.""" return self._xvp_encrypt(password, is_pool_password=True) def fix_console_password(self, password): - """Trim password to length, and encode""" + """Trim password to length, and encode.""" return self._xvp_encrypt(password) def _rebuild_xvp_conf(self, context): - logging.debug(_("Rebuilding xvp conf")) + logging.debug(_('Rebuilding xvp conf')) pools = [pool for pool in db.console_pool_get_all_by_host_type(context, self.host, self.console_type) if pool['consoles']] if not pools: - logging.debug("No console pools!") + logging.debug('No console pools!') self._xvp_stop() return conf_data = {'multiplex_port': FLAGS.console_xvp_multiplex_port, 'pools': pools, 'pass_encode': self.fix_console_password} - config = str(Template(self.xvpconf_template, searchList=[conf_data])) + config = str(Template.Template(self.xvpconf_template, + searchList=[conf_data])) self._write_conf(config) self._xvp_restart() @@ -114,7 +114,7 @@ class XVPConsoleProxy(object): cfile.write(config) def _xvp_stop(self): - logging.debug(_("Stopping xvp")) + logging.debug(_('Stopping xvp')) pid = self._xvp_pid() if not pid: return @@ -127,19 +127,19 @@ class XVPConsoleProxy(object): def _xvp_start(self): if self._xvp_check_running(): return - logging.debug(_("Starting xvp")) + logging.debug(_('Starting xvp')) try: utils.execute('xvp', '-p', FLAGS.console_xvp_pid, '-c', FLAGS.console_xvp_conf, '-l', FLAGS.console_xvp_log) except exception.ProcessExecutionError, err: - logging.error(_("Error starting xvp: %s") % err) + logging.error(_('Error starting xvp: %s') % err) def _xvp_restart(self): - logging.debug(_("Restarting xvp")) + logging.debug(_('Restarting xvp')) if not self._xvp_check_running(): - logging.debug(_("xvp not running...")) + logging.debug(_('xvp not running...')) self._xvp_start() else: pid = self._xvp_pid() @@ -178,7 +178,9 @@ class XVPConsoleProxy(object): Note that xvp's obfuscation should not be considered 'real' encryption. It simply DES encrypts the passwords with static keys plainly viewable - in the xvp source code.""" + in the xvp source code. + + """ maxlen = 8 flag = '-e' if is_pool_password: diff --git a/nova/context.py b/nova/context.py index 0256bf448..c113f7ea7 100644 --- a/nova/context.py +++ b/nova/context.py @@ -16,9 +16,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -RequestContext: context for requests that persist through all of nova. -""" +"""RequestContext: context for requests that persist through all of nova.""" import datetime import random @@ -28,6 +26,12 @@ from nova import utils class RequestContext(object): + """Security context and request information. + + Represents the user taking a given action within the system. + + """ + def __init__(self, user, project, is_admin=None, read_deleted=False, remote_address=None, timestamp=None, request_id=None): if hasattr(user, 'id'): diff --git a/nova/crypto.py b/nova/crypto.py index 605be2a32..14b9cbef6 100644 --- a/nova/crypto.py +++ b/nova/crypto.py @@ -15,10 +15,11 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. -""" -Wrappers around standard crypto data elements. + +"""Wrappers around standard crypto data elements. Includes root and intermediate CAs, SSH key_pairs and x509 certificates. + """ import base64 @@ -43,6 +44,8 @@ from nova import log as logging LOG = logging.getLogger("nova.crypto") + + FLAGS = flags.FLAGS flags.DEFINE_string('ca_file', 'cacert.pem', _('Filename of root CA')) flags.DEFINE_string('key_file', @@ -90,13 +93,13 @@ def key_path(project_id=None): def fetch_ca(project_id=None, chain=True): if not FLAGS.use_project_ca: project_id = None - buffer = "" + buffer = '' if project_id: - with open(ca_path(project_id), "r") as cafile: + with open(ca_path(project_id), 'r') as cafile: buffer += cafile.read() if not chain: return buffer - with open(ca_path(None), "r") as cafile: + with open(ca_path(None), 'r') as cafile: buffer += cafile.read() return buffer @@ -143,7 +146,7 @@ def ssl_pub_to_ssh_pub(ssl_public_key, name='root', suffix='nova'): def revoke_cert(project_id, file_name): - """Revoke a cert by file name""" + """Revoke a cert by file name.""" start = os.getcwd() os.chdir(ca_folder(project_id)) # NOTE(vish): potential race condition here @@ -155,14 +158,14 @@ def revoke_cert(project_id, file_name): def revoke_certs_by_user(user_id): - """Revoke all user certs""" + """Revoke all user certs.""" admin = context.get_admin_context() for cert in db.certificate_get_all_by_user(admin, user_id): revoke_cert(cert['project_id'], cert['file_name']) def revoke_certs_by_project(project_id): - """Revoke all project certs""" + """Revoke all project certs.""" # NOTE(vish): This is somewhat useless because we can just shut down # the vpn. admin = context.get_admin_context() @@ -171,29 +174,29 @@ def revoke_certs_by_project(project_id): def revoke_certs_by_user_and_project(user_id, project_id): - """Revoke certs for user in project""" + """Revoke certs for user in project.""" admin = context.get_admin_context() for cert in db.certificate_get_all_by_user(admin, user_id, project_id): revoke_cert(cert['project_id'], cert['file_name']) def _project_cert_subject(project_id): - """Helper to generate user cert subject""" + """Helper to generate user cert subject.""" return FLAGS.project_cert_subject % (project_id, utils.isotime()) def _vpn_cert_subject(project_id): - """Helper to generate user cert subject""" + """Helper to generate user cert subject.""" return FLAGS.vpn_cert_subject % (project_id, utils.isotime()) def _user_cert_subject(user_id, project_id): - """Helper to generate user cert subject""" + """Helper to generate user cert subject.""" return FLAGS.user_cert_subject % (project_id, user_id, utils.isotime()) def generate_x509_cert(user_id, project_id, bits=1024): - """Generate and sign a cert for user in project""" + """Generate and sign a cert for user in project.""" subject = _user_cert_subject(user_id, project_id) tmpdir = tempfile.mkdtemp() keyfile = os.path.abspath(os.path.join(tmpdir, 'temp.key')) @@ -205,7 +208,7 @@ def generate_x509_cert(user_id, project_id, bits=1024): csr = open(csrfile).read() shutil.rmtree(tmpdir) (serial, signed_csr) = sign_csr(csr, project_id) - fname = os.path.join(ca_folder(project_id), "newcerts/%s.pem" % serial) + fname = os.path.join(ca_folder(project_id), 'newcerts/%s.pem' % serial) cert = {'user_id': user_id, 'project_id': project_id, 'file_name': fname} @@ -227,8 +230,8 @@ def _ensure_project_folder(project_id): def generate_vpn_files(project_id): project_folder = ca_folder(project_id) - csr_fn = os.path.join(project_folder, "server.csr") - crt_fn = os.path.join(project_folder, "server.crt") + csr_fn = os.path.join(project_folder, 'server.csr') + crt_fn = os.path.join(project_folder, 'server.crt') genvpn_sh_path = os.path.join(os.path.dirname(__file__), 'CA', @@ -241,10 +244,10 @@ def generate_vpn_files(project_id): # TODO(vish): the shell scripts could all be done in python utils.execute('sh', genvpn_sh_path, project_id, _vpn_cert_subject(project_id)) - with open(csr_fn, "r") as csrfile: + with open(csr_fn, 'r') as csrfile: csr_text = csrfile.read() (serial, signed_csr) = sign_csr(csr_text, project_id) - with open(crt_fn, "w") as crtfile: + with open(crt_fn, 'w') as crtfile: crtfile.write(signed_csr) os.chdir(start) @@ -261,12 +264,12 @@ def sign_csr(csr_text, project_id=None): def _sign_csr(csr_text, ca_folder): tmpfolder = tempfile.mkdtemp() - inbound = os.path.join(tmpfolder, "inbound.csr") - outbound = os.path.join(tmpfolder, "outbound.csr") - csrfile = open(inbound, "w") + inbound = os.path.join(tmpfolder, 'inbound.csr') + outbound = os.path.join(tmpfolder, 'outbound.csr') + csrfile = open(inbound, 'w') csrfile.write(csr_text) csrfile.close() - LOG.debug(_("Flags path: %s"), ca_folder) + LOG.debug(_('Flags path: %s'), ca_folder) start = os.getcwd() # Change working dir to CA if not os.path.exists(ca_folder): @@ -276,13 +279,13 @@ def _sign_csr(csr_text, ca_folder): './openssl.cnf', '-infiles', inbound) out, _err = utils.execute('openssl', 'x509', '-in', outbound, '-serial', '-noout') - serial = string.strip(out.rpartition("=")[2]) + serial = string.strip(out.rpartition('=')[2]) os.chdir(start) - with open(outbound, "r") as crtfile: + with open(outbound, 'r') as crtfile: return (serial, crtfile.read()) -def mkreq(bits, subject="foo", ca=0): +def mkreq(bits, subject='foo', ca=0): pk = M2Crypto.EVP.PKey() req = M2Crypto.X509.Request() rsa = M2Crypto.RSA.gen_key(bits, 65537, callback=lambda: None) @@ -314,7 +317,7 @@ def mkcacert(subject='nova', years=1): cert.set_not_before(now) cert.set_not_after(nowPlusYear) issuer = M2Crypto.X509.X509_Name() - issuer.C = "US" + issuer.C = 'US' issuer.CN = subject cert.set_issuer(issuer) cert.set_pubkey(pkey) @@ -352,13 +355,15 @@ def mkcacert(subject='nova', years=1): # http://code.google.com/p/boto def compute_md5(fp): - """ + """Compute an md5 hash. + :type fp: file :param fp: File pointer to the file to MD5 hash. The file pointer will be reset to the beginning of the file before the method returns. :rtype: tuple - :return: the hex digest version of the MD5 hash + :returns: the hex digest version of the MD5 hash + """ m = hashlib.md5() fp.seek(0) diff --git a/nova/db/api.py b/nova/db/api.py index 63901e94d..f9a4b5b4b 100644 --- a/nova/db/api.py +++ b/nova/db/api.py @@ -15,8 +15,8 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. -""" -Defines interface for DB access. + +"""Defines interface for DB access. The underlying driver is loaded as a :class:`LazyPluggable`. @@ -30,6 +30,7 @@ The underlying driver is loaded as a :class:`LazyPluggable`. :enable_new_services: when adding a new service to the database, is it in the pool of available hardware (Default: True) + """ from nova import exception @@ -86,7 +87,7 @@ def service_get(context, service_id): def service_get_by_host_and_topic(context, host, topic): - """Get a service by host it's on and topic it listens to""" + """Get a service by host it's on and topic it listens to.""" return IMPL.service_get_by_host_and_topic(context, host, topic) @@ -113,7 +114,7 @@ def service_get_all_compute_by_host(context, host): def service_get_all_compute_sorted(context): """Get all compute services sorted by instance count. - Returns a list of (Service, instance_count) tuples. + :returns: a list of (Service, instance_count) tuples. """ return IMPL.service_get_all_compute_sorted(context) @@ -122,7 +123,7 @@ def service_get_all_compute_sorted(context): def service_get_all_network_sorted(context): """Get all network services sorted by network count. - Returns a list of (Service, network_count) tuples. + :returns: a list of (Service, network_count) tuples. """ return IMPL.service_get_all_network_sorted(context) @@ -131,7 +132,7 @@ def service_get_all_network_sorted(context): def service_get_all_volume_sorted(context): """Get all volume services sorted by volume count. - Returns a list of (Service, volume_count) tuples. + :returns: a list of (Service, volume_count) tuples. """ return IMPL.service_get_all_volume_sorted(context) @@ -241,7 +242,7 @@ def floating_ip_count_by_project(context, project_id): def floating_ip_deallocate(context, address): - """Deallocate an floating ip by address""" + """Deallocate an floating ip by address.""" return IMPL.floating_ip_deallocate(context, address) @@ -253,7 +254,7 @@ def floating_ip_destroy(context, address): def floating_ip_disassociate(context, address): """Disassociate an floating ip from a fixed ip by address. - Returns the address of the existing fixed ip. + :returns: the address of the existing fixed ip. """ return IMPL.floating_ip_disassociate(context, address) @@ -291,25 +292,30 @@ def floating_ip_update(context, address, values): return IMPL.floating_ip_update(context, address, values) +def floating_ip_set_auto_assigned(context, address): + """Set auto_assigned flag to floating ip""" + return IMPL.floating_ip_set_auto_assigned(context, address) + #################### + def migration_update(context, id, values): - """Update a migration instance""" + """Update a migration instance.""" return IMPL.migration_update(context, id, values) def migration_create(context, values): - """Create a migration record""" + """Create a migration record.""" return IMPL.migration_create(context, values) def migration_get(context, migration_id): - """Finds a migration by the id""" + """Finds a migration by the id.""" return IMPL.migration_get(context, migration_id) def migration_get_by_instance_and_status(context, instance_id, status): - """Finds a migration by the instance id its migrating""" + """Finds a migration by the instance id its migrating.""" return IMPL.migration_get_by_instance_and_status(context, instance_id, status) @@ -455,11 +461,6 @@ def instance_get_project_vpn(context, project_id): return IMPL.instance_get_project_vpn(context, project_id) -def instance_is_vpn(context, instance_id): - """True if instance is a vpn.""" - return IMPL.instance_is_vpn(context, instance_id) - - def instance_set_state(context, instance_id, state, description=None): """Set the state of an instance.""" return IMPL.instance_set_state(context, instance_id, state, description) @@ -579,7 +580,9 @@ def network_create_safe(context, values): def network_delete_safe(context, network_id): """Delete network with key network_id. + This method assumes that the network is not associated with any project + """ return IMPL.network_delete_safe(context, network_id) @@ -674,7 +677,6 @@ def project_get_network(context, project_id, associate=True): network if one is not found, otherwise it returns None. """ - return IMPL.project_get_network(context, project_id, associate) @@ -722,7 +724,9 @@ def iscsi_target_create_safe(context, values): The device is not returned. If the create violates the unique constraints because the iscsi_target and host already exist, - no exception is raised.""" + no exception is raised. + + """ return IMPL.iscsi_target_create_safe(context, values) @@ -1050,10 +1054,7 @@ def project_delete(context, project_id): def host_get_networks(context, host): - """Return all networks for which the given host is the designated - network host. - - """ + """All networks for which the given host is the network host.""" return IMPL.host_get_networks(context, host) @@ -1115,38 +1116,40 @@ def console_get(context, console_id, instance_id=None): def instance_type_create(context, values): - """Create a new instance type""" + """Create a new instance type.""" return IMPL.instance_type_create(context, values) def instance_type_get_all(context, inactive=False): - """Get all instance types""" + """Get all instance types.""" return IMPL.instance_type_get_all(context, inactive) def instance_type_get_by_id(context, id): - """Get instance type by id""" + """Get instance type by id.""" return IMPL.instance_type_get_by_id(context, id) def instance_type_get_by_name(context, name): - """Get instance type by name""" + """Get instance type by name.""" return IMPL.instance_type_get_by_name(context, name) def instance_type_get_by_flavor_id(context, id): - """Get instance type by name""" + """Get instance type by name.""" return IMPL.instance_type_get_by_flavor_id(context, id) def instance_type_destroy(context, name): - """Delete a instance type""" + """Delete a instance type.""" return IMPL.instance_type_destroy(context, name) def instance_type_purge(context, name): - """Purges (removes) an instance type from DB - Use instance_type_destroy for most cases + """Purges (removes) an instance type from DB. + + Use instance_type_destroy for most cases + """ return IMPL.instance_type_purge(context, name) @@ -1183,15 +1186,15 @@ def zone_get_all(context): def instance_metadata_get(context, instance_id): - """Get all metadata for an instance""" + """Get all metadata for an instance.""" return IMPL.instance_metadata_get(context, instance_id) def instance_metadata_delete(context, instance_id, key): - """Delete the given metadata item""" + """Delete the given metadata item.""" IMPL.instance_metadata_delete(context, instance_id, key) def instance_metadata_update_or_create(context, instance_id, metadata): - """Create or update instance metadata""" + """Create or update instance metadata.""" IMPL.instance_metadata_update_or_create(context, instance_id, metadata) diff --git a/nova/db/base.py b/nova/db/base.py index a0f2180c6..a0d055d5b 100644 --- a/nova/db/base.py +++ b/nova/db/base.py @@ -16,20 +16,20 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Base class for classes that need modular database access. -""" +"""Base class for classes that need modular database access.""" from nova import utils from nova import flags + FLAGS = flags.FLAGS flags.DEFINE_string('db_driver', 'nova.db.api', 'driver to use for database access') class Base(object): - """DB driver is injected in the init method""" + """DB driver is injected in the init method.""" + def __init__(self, db_driver=None): if not db_driver: db_driver = FLAGS.db_driver diff --git a/nova/db/migration.py b/nova/db/migration.py index e54b90cd8..ccd06cffe 100644 --- a/nova/db/migration.py +++ b/nova/db/migration.py @@ -15,11 +15,13 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. + """Database setup and migration commands.""" from nova import flags from nova import utils + FLAGS = flags.FLAGS flags.DECLARE('db_backend', 'nova.db.api') diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index e675022e9..285b22a04 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -94,7 +94,7 @@ def require_admin_context(f): """ def wrapper(*args, **kwargs): if not is_admin_context(args[0]): - raise exception.NotAuthorized() + raise exception.AdminRequired() return f(*args, **kwargs) return wrapper @@ -105,7 +105,7 @@ def require_context(f): """ def wrapper(*args, **kwargs): if not is_admin_context(args[0]) and not is_user_context(args[0]): - raise exception.NotAuthorized() + raise exception.AdminRequired() return f(*args, **kwargs) return wrapper @@ -137,7 +137,7 @@ def service_get(context, service_id, session=None): first() if not result: - raise exception.NotFound(_('No service for id %s') % service_id) + raise exception.ServiceNotFound(service_id=service_id) return result @@ -196,8 +196,7 @@ def service_get_all_compute_by_host(context, host): all() if not result: - raise exception.NotFound(_("%s does not exist or is not " - "a compute node.") % host) + raise exception.ComputeHostNotFound(host=host) return result @@ -284,8 +283,7 @@ def service_get_by_args(context, host, binary): filter_by(deleted=can_read_deleted(context)).\ first() if not result: - raise exception.NotFound(_('No service for %(host)s, %(binary)s') - % locals()) + raise exception.HostBinaryNotFound(host=host, binary=binary) return result @@ -323,7 +321,7 @@ def compute_node_get(context, compute_id, session=None): first() if not result: - raise exception.NotFound(_('No computeNode for id %s') % compute_id) + raise exception.ComputeHostNotFound(host=compute_id) return result @@ -359,7 +357,7 @@ def certificate_get(context, certificate_id, session=None): first() if not result: - raise exception.NotFound('No certificate for id %s' % certificate_id) + raise exception.CertificateNotFound(certificate_id=certificate_id) return result @@ -461,6 +459,7 @@ def floating_ip_count_by_project(context, project_id): session = get_session() return session.query(models.FloatingIp).\ filter_by(project_id=project_id).\ + filter_by(auto_assigned=False).\ filter_by(deleted=False).\ count() @@ -489,6 +488,7 @@ def floating_ip_deallocate(context, address): address, session=session) floating_ip_ref['project_id'] = None + floating_ip_ref['auto_assigned'] = False floating_ip_ref.save(session=session) @@ -522,6 +522,17 @@ def floating_ip_disassociate(context, address): return fixed_ip_address +@require_context +def floating_ip_set_auto_assigned(context, address): + session = get_session() + with session.begin(): + floating_ip_ref = floating_ip_get_by_address(context, + address, + session=session) + floating_ip_ref.auto_assigned = True + floating_ip_ref.save(session=session) + + @require_admin_context def floating_ip_get_all(context): session = get_session() @@ -548,6 +559,7 @@ def floating_ip_get_all_by_project(context, project_id): return session.query(models.FloatingIp).\ options(joinedload_all('fixed_ip.instance')).\ filter_by(project_id=project_id).\ + filter_by(auto_assigned=False).\ filter_by(deleted=False).\ all() @@ -564,7 +576,7 @@ def floating_ip_get_by_address(context, address, session=None): filter_by(deleted=can_read_deleted(context)).\ first() if not result: - raise exception.NotFound('No floating ip for address %s' % address) + raise exception.FloatingIpNotFound(fixed_ip=address) return result @@ -672,7 +684,7 @@ def fixed_ip_get_all(context, session=None): session = get_session() result = session.query(models.FixedIp).all() if not result: - raise exception.NotFound(_('No fixed ips defined')) + raise exception.NoFloatingIpsDefined() return result @@ -688,7 +700,7 @@ def fixed_ip_get_all_by_host(context, host=None): all() if not result: - raise exception.NotFound(_('No fixed ips for this host defined')) + raise exception.NoFloatingIpsDefinedForHost(host=host) return result @@ -704,7 +716,7 @@ def fixed_ip_get_by_address(context, address, session=None): options(joinedload('instance')).\ first() if not result: - raise exception.NotFound(_('No floating ip for address %s') % address) + raise exception.FloatingIpNotFound(fixed_ip=address) if is_user_context(context): authorize_project_context(context, result.instance.project_id) @@ -725,7 +737,7 @@ def fixed_ip_get_all_by_instance(context, instance_id): filter_by(instance_id=instance_id).\ filter_by(deleted=False) if not rv: - raise exception.NotFound(_('No address for instance %s') % instance_id) + raise exception.NoFloatingIpsFoundForInstance(instance_id=instance_id) return rv @@ -770,9 +782,10 @@ def instance_create(context, values): metadata = values.get('metadata') metadata_refs = [] if metadata: - for metadata_item in metadata: + for k, v in metadata.iteritems(): metadata_ref = models.InstanceMetadata() - metadata_ref.update(metadata_item) + metadata_ref['key'] = k + metadata_ref['value'] = v metadata_refs.append(metadata_ref) values['metadata'] = metadata_refs @@ -803,17 +816,17 @@ def instance_destroy(context, instance_id): with session.begin(): session.query(models.Instance).\ filter_by(id=instance_id).\ - update({'deleted': 1, + update({'deleted': True, 'deleted_at': datetime.datetime.utcnow(), 'updated_at': literal_column('updated_at')}) session.query(models.SecurityGroupInstanceAssociation).\ filter_by(instance_id=instance_id).\ - update({'deleted': 1, + update({'deleted': True, 'deleted_at': datetime.datetime.utcnow(), 'updated_at': literal_column('updated_at')}) session.query(models.InstanceMetadata).\ filter_by(instance_id=instance_id).\ - update({'deleted': 1, + update({'deleted': True, 'deleted_at': datetime.datetime.utcnow(), 'updated_at': literal_column('updated_at')}) @@ -847,9 +860,7 @@ def instance_get(context, instance_id, session=None): filter_by(deleted=False).\ first() if not result: - raise exception.InstanceNotFound(_('Instance %s not found') - % instance_id, - instance_id) + raise exception.InstanceNotFound(instance_id=instance_id) return result @@ -940,7 +951,7 @@ def instance_get_project_vpn(context, project_id): options(joinedload('security_groups')).\ options(joinedload('instance_type')).\ filter_by(project_id=project_id).\ - filter_by(image_id=FLAGS.vpn_image_id).\ + filter_by(image_id=str(FLAGS.vpn_image_id)).\ filter_by(deleted=can_read_deleted(context)).\ first() @@ -980,13 +991,6 @@ def instance_get_floating_address(context, instance_id): @require_admin_context -def instance_is_vpn(context, instance_id): - # TODO(vish): Move this into image code somewhere - instance_ref = instance_get(context, instance_id) - return instance_ref['image_id'] == FLAGS.vpn_image_id - - -@require_admin_context def instance_set_state(context, instance_id, state, description=None): # TODO(devcamcar): Move this out of models and into driver from nova.compute import power_state @@ -1125,8 +1129,7 @@ def key_pair_get(context, user_id, name, session=None): filter_by(deleted=can_read_deleted(context)).\ first() if not result: - raise exception.NotFound(_('no keypair for user %(user_id)s,' - ' name %(name)s') % locals()) + raise exception.KeypairNotFound(user_id=user_id, name=name) return result @@ -1252,7 +1255,7 @@ def network_get(context, network_id, session=None): filter_by(deleted=False).\ first() if not result: - raise exception.NotFound(_('No network for id %s') % network_id) + raise exception.NetworkNotFound(network_id=network_id) return result @@ -1262,7 +1265,7 @@ def network_get_all(context): session = get_session() result = session.query(models.Network) if not result: - raise exception.NotFound(_('No networks defined')) + raise exception.NoNetworksFound() return result @@ -1291,7 +1294,7 @@ def network_get_by_bridge(context, bridge): first() if not result: - raise exception.NotFound(_('No network for bridge %s') % bridge) + raise exception.NetworkNotFoundForBridge(bridge=bridge) return result @@ -1302,8 +1305,7 @@ def network_get_by_cidr(context, cidr): filter_by(cidr=cidr).first() if not result: - raise exception.NotFound(_('Network with cidr %s does not exist') % - cidr) + raise exception.NetworkNotFoundForCidr(cidr=cidr) return result @@ -1317,7 +1319,7 @@ def network_get_by_instance(_context, instance_id): filter_by(deleted=False).\ first() if not rv: - raise exception.NotFound(_('No network for instance %s') % instance_id) + raise exception.NetworkNotFoundForInstance(instance_id=instance_id) return rv @@ -1330,7 +1332,7 @@ def network_get_all_by_instance(_context, instance_id): filter_by(instance_id=instance_id).\ filter_by(deleted=False) if not rv: - raise exception.NotFound(_('No network for instance %s') % instance_id) + raise exception.NetworkNotFoundForInstance(instance_id=instance_id) return rv @@ -1344,7 +1346,7 @@ def network_set_host(context, network_id, host_id): with_lockmode('update').\ first() if not network_ref: - raise exception.NotFound(_('No network for id %s') % network_id) + raise exception.NetworkNotFound(network_id=network_id) # NOTE(vish): if with_lockmode isn't supported, as in sqlite, # then this has concurrency issues @@ -1469,7 +1471,7 @@ def auth_token_get(context, token_hash, session=None): filter_by(deleted=can_read_deleted(context)).\ first() if not tk: - raise exception.NotFound(_('Token %s does not exist') % token_hash) + raise exception.AuthTokenNotFound(token=token_hash) return tk @@ -1503,7 +1505,7 @@ def quota_get(context, project_id, session=None): filter_by(deleted=can_read_deleted(context)).\ first() if not result: - raise exception.NotFound(_('No quota for project_id %s') % project_id) + raise exception.ProjectQuotaNotFound(project_id=project_id) return result @@ -1658,8 +1660,7 @@ def volume_get(context, volume_id, session=None): filter_by(deleted=False).\ first() if not result: - raise exception.VolumeNotFound(_('Volume %s not found') % volume_id, - volume_id) + raise exception.VolumeNotFound(volume_id=volume_id) return result @@ -1691,7 +1692,7 @@ def volume_get_all_by_instance(context, instance_id): filter_by(deleted=False).\ all() if not result: - raise exception.NotFound(_('No volume for instance %s') % instance_id) + raise exception.VolumeNotFoundForInstance(instance_id=instance_id) return result @@ -1716,8 +1717,7 @@ def volume_get_instance(context, volume_id): options(joinedload('instance')).\ first() if not result: - raise exception.VolumeNotFound(_('Volume %s not found') % volume_id, - volume_id) + raise exception.VolumeNotFound(volume_id=volume_id) return result.instance @@ -1729,8 +1729,7 @@ def volume_get_shelf_and_blade(context, volume_id): filter_by(volume_id=volume_id).\ first() if not result: - raise exception.NotFound(_('No export device found for volume %s') % - volume_id) + raise exception.ExportDeviceNotFoundForVolume(volume_id=volume_id) return (result.shelf_id, result.blade_id) @@ -1742,8 +1741,7 @@ def volume_get_iscsi_target_num(context, volume_id): filter_by(volume_id=volume_id).\ first() if not result: - raise exception.NotFound(_('No target id found for volume %s') % - volume_id) + raise exception.ISCSITargetNotFoundForVolume(volume_id=volume_id) return result.target_num @@ -1787,8 +1785,8 @@ def security_group_get(context, security_group_id, session=None): options(joinedload_all('rules')).\ first() if not result: - raise exception.NotFound(_("No security group with id %s") % - security_group_id) + raise exception.SecurityGroupNotFound( + security_group_id=security_group_id) return result @@ -1803,9 +1801,8 @@ def security_group_get_by_name(context, project_id, group_name): options(joinedload_all('instances')).\ first() if not result: - raise exception.NotFound( - _('No security group named %(group_name)s' - ' for project: %(project_id)s') % locals()) + raise exception.SecurityGroupNotFoundForProject(project_id=project_id, + security_group_id=group_name) return result @@ -1835,7 +1832,7 @@ def security_group_get_by_instance(context, instance_id): def security_group_exists(context, project_id, group_name): try: group = security_group_get_by_name(context, project_id, group_name) - return group != None + return group is not None except exception.NotFound: return False @@ -1906,8 +1903,8 @@ def security_group_rule_get(context, security_group_rule_id, session=None): filter_by(id=security_group_rule_id).\ first() if not result: - raise exception.NotFound(_("No secuity group rule with id %s") % - security_group_rule_id) + raise exception.SecurityGroupNotFoundForRule( + rule_id=security_group_rule_id) return result @@ -1980,7 +1977,7 @@ def user_get(context, id, session=None): first() if not result: - raise exception.NotFound(_('No user for id %s') % id) + raise exception.UserNotFound(user_id=id) return result @@ -1996,7 +1993,7 @@ def user_get_by_access_key(context, access_key, session=None): first() if not result: - raise exception.NotFound(_('No user for access key %s') % access_key) + raise exception.AccessKeyNotFound(access_key=access_key) return result @@ -2061,7 +2058,7 @@ def project_get(context, id, session=None): first() if not result: - raise exception.NotFound(_("No project with id %s") % id) + raise exception.ProjectNotFound(project_id=id) return result @@ -2082,7 +2079,7 @@ def project_get_by_user(context, user_id): options(joinedload_all('projects')).\ first() if not user: - raise exception.NotFound(_('Invalid user_id %s') % user_id) + raise exception.UserNotFound(user_id=user_id) return user.projects @@ -2222,8 +2219,7 @@ def migration_get(context, id, session=None): result = session.query(models.Migration).\ filter_by(id=id).first() if not result: - raise exception.NotFound(_("No migration found with id %s") - % id) + raise exception.MigrationNotFound(migration_id=id) return result @@ -2234,8 +2230,8 @@ def migration_get_by_instance_and_status(context, instance_id, status): filter_by(instance_id=instance_id).\ filter_by(status=status).first() if not result: - raise exception.NotFound(_("No migration found for instance " - "%(instance_id)s with status %(status)s") % locals()) + raise exception.MigrationNotFoundByStatus(instance_id=instance_id, + status=status) return result @@ -2256,8 +2252,7 @@ def console_pool_get(context, pool_id): filter_by(id=pool_id).\ first() if not result: - raise exception.NotFound(_("No console pool with id %(pool_id)s") - % locals()) + raise exception.ConsolePoolNotFound(pool_id=pool_id) return result @@ -2273,9 +2268,9 @@ def console_pool_get_by_host_type(context, compute_host, host, options(joinedload('consoles')).\ first() if not result: - raise exception.NotFound(_('No console pool of type %(console_type)s ' - 'for compute host %(compute_host)s ' - 'on proxy host %(host)s') % locals()) + raise exception.ConsolePoolNotFoundForHostType(host=host, + console_type=console_type, + compute_host=compute_host) return result @@ -2313,8 +2308,8 @@ def console_get_by_pool_instance(context, pool_id, instance_id): options(joinedload('pool')).\ first() if not result: - raise exception.NotFound(_('No console for instance %(instance_id)s ' - 'in pool %(pool_id)s') % locals()) + raise exception.ConsoleNotFoundInPoolForInstance(pool_id=pool_id, + instance_id=instance_id) return result @@ -2335,9 +2330,11 @@ def console_get(context, console_id, instance_id=None): query = query.filter_by(instance_id=instance_id) result = query.options(joinedload('pool')).first() if not result: - idesc = (_("on instance %s") % instance_id) if instance_id else "" - raise exception.NotFound(_("No console with id %(console_id)s" - " %(idesc)s") % locals()) + if instance_id: + raise exception.ConsoleNotFoundForInstance(console_id=console_id, + instance_id=instance_id) + else: + raise exception.ConsoleNotFound(console_id=console_id) return result @@ -2376,7 +2373,7 @@ def instance_type_get_all(context, inactive=False): inst_dict[i['name']] = dict(i) return inst_dict else: - raise exception.NotFound + raise exception.NoInstanceTypesFound() @require_context @@ -2387,7 +2384,7 @@ def instance_type_get_by_id(context, id): filter_by(id=id).\ first() if not inst_type: - raise exception.NotFound(_("No instance type with id %s") % id) + raise exception.InstanceTypeNotFound(instance_type=id) else: return dict(inst_type) @@ -2400,7 +2397,7 @@ def instance_type_get_by_name(context, name): filter_by(name=name).\ first() if not inst_type: - raise exception.NotFound(_("No instance type with name %s") % name) + raise exception.InstanceTypeNotFoundByName(instance_type_name=name) else: return dict(inst_type) @@ -2413,7 +2410,7 @@ def instance_type_get_by_flavor_id(context, id): filter_by(flavorid=int(id)).\ first() if not inst_type: - raise exception.NotFound(_("No flavor with flavorid %s") % id) + raise exception.FlavorNotFound(flavor_id=id) else: return dict(inst_type) @@ -2426,7 +2423,7 @@ def instance_type_destroy(context, name): filter_by(name=name) records = instance_type_ref.update(dict(deleted=True)) if records == 0: - raise exception.NotFound + raise exception.InstanceTypeNotFoundByName(instance_type_name=name) else: return instance_type_ref @@ -2441,7 +2438,7 @@ def instance_type_purge(context, name): filter_by(name=name) records = instance_type_ref.delete() if records == 0: - raise exception.NotFound + raise exception.InstanceTypeNotFoundByName(instance_type_name=name) else: return instance_type_ref @@ -2462,7 +2459,7 @@ def zone_update(context, zone_id, values): session = get_session() zone = session.query(models.Zone).filter_by(id=zone_id).first() if not zone: - raise exception.NotFound(_("No zone with id %(zone_id)s") % locals()) + raise exception.ZoneNotFound(zone_id=zone_id) zone.update(values) zone.save() return zone @@ -2482,7 +2479,7 @@ def zone_get(context, zone_id): session = get_session() result = session.query(models.Zone).filter_by(id=zone_id).first() if not result: - raise exception.NotFound(_("No zone with id %(zone_id)s") % locals()) + raise exception.ZoneNotFound(zone_id=zone_id) return result @@ -2516,7 +2513,7 @@ def instance_metadata_delete(context, instance_id, key): filter_by(instance_id=instance_id).\ filter_by(key=key).\ filter_by(deleted=False).\ - update({'deleted': 1, + update({'deleted': True, 'deleted_at': datetime.datetime.utcnow(), 'updated_at': literal_column('updated_at')}) @@ -2532,8 +2529,8 @@ def instance_metadata_get_item(context, instance_id, key): first() if not meta_result: - raise exception.NotFound(_('Invalid metadata key for instance %s') % - instance_id) + raise exception.InstanceMetadataNotFound(metadata_key=key, + instance_id=instance_id) return meta_result diff --git a/nova/db/sqlalchemy/migrate_repo/versions/014_add_instance_type_id_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/014_add_instance_type_id_to_instances.py index b12a0a801..334d1f255 100644 --- a/nova/db/sqlalchemy/migrate_repo/versions/014_add_instance_type_id_to_instances.py +++ b/nova/db/sqlalchemy/migrate_repo/versions/014_add_instance_type_id_to_instances.py @@ -54,10 +54,12 @@ def upgrade(migrate_engine): instances.create_column(c_instance_type_id) + type_names = {} recs = migrate_engine.execute(instance_types.select()) for row in recs: - type_id = row[0] - type_name = row[1] + type_names[row[0]] = row[1] + + for type_id, type_name in type_names.iteritems(): migrate_engine.execute(instances.update()\ .where(instances.c.instance_type == type_name)\ .values(instance_type_id=type_id)) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/015_add_auto_assign_to_floating_ips.py b/nova/db/sqlalchemy/migrate_repo/versions/015_add_auto_assign_to_floating_ips.py new file mode 100644 index 000000000..29b26b3dd --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/015_add_auto_assign_to_floating_ips.py @@ -0,0 +1,39 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 OpenStack LLC. +# Copyright 2011 Grid Dynamics +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +from sqlalchemy import * +from sqlalchemy.sql import text +from migrate import * + + +meta = MetaData() + + +c_auto_assigned = Column('auto_assigned', Boolean, default=False) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + floating_ips = Table('floating_ips', + meta, + autoload=True, + autoload_with=migrate_engine) + + floating_ips.create_column(c_auto_assigned) diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index f79d0f16c..36a084a1d 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -592,6 +592,7 @@ class FloatingIp(BASE, NovaBase): 'FloatingIp.deleted == False)') project_id = Column(String(255)) host = Column(String(255)) # , ForeignKey('hosts.id')) + auto_assigned = Column(Boolean, default=False, nullable=False) class ConsolePool(BASE, NovaBase): diff --git a/nova/exception.py b/nova/exception.py index 4e2bbdbaf..e8444cb14 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -16,31 +16,34 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Nova base exception handling, including decorator for re-raising -Nova-type exceptions. SHOULD include dedicated exception logging. +"""Nova base exception handling. + +Includes decorator for re-raising Nova-type exceptions. + +SHOULD include dedicated exception logging. + """ from nova import log as logging + + LOG = logging.getLogger('nova.exception') class ProcessExecutionError(IOError): - def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None, description=None): if description is None: - description = _("Unexpected error while running command.") + description = _('Unexpected error while running command.') if exit_code is None: exit_code = '-' - message = _("%(description)s\nCommand: %(cmd)s\n" - "Exit code: %(exit_code)s\nStdout: %(stdout)r\n" - "Stderr: %(stderr)r") % locals() + message = _('%(description)s\nCommand: %(cmd)s\n' + 'Exit code: %(exit_code)s\nStdout: %(stdout)r\n' + 'Stderr: %(stderr)r') % locals() IOError.__init__(self, message) class Error(Exception): - def __init__(self, message=None): super(Error, self).__init__(message) @@ -52,52 +55,8 @@ class ApiError(Error): super(ApiError, self).__init__('%s: %s' % (code, message)) -class NotFound(Error): - pass - - -class InstanceNotFound(NotFound): - def __init__(self, message, instance_id): - self.instance_id = instance_id - super(InstanceNotFound, self).__init__(message) - - -class VolumeNotFound(NotFound): - def __init__(self, message, volume_id): - self.volume_id = volume_id - super(VolumeNotFound, self).__init__(message) - - -class Duplicate(Error): - pass - - -class NotAuthorized(Error): - pass - - -class NotEmpty(Error): - pass - - -class Invalid(Error): - pass - - -class InvalidInputException(Error): - pass - - -class InvalidContentType(Error): - pass - - -class TimeoutException(Error): - pass - - class DBError(Error): - """Wraps an implementation specific exception""" + """Wraps an implementation specific exception.""" def __init__(self, inner_exception): self.inner_exception = inner_exception super(DBError, self).__init__(str(inner_exception)) @@ -108,7 +67,7 @@ def wrap_db_error(f): try: return f(*args, **kwargs) except Exception, e: - LOG.exception(_('DB exception wrapped')) + LOG.exception(_('DB exception wrapped.')) raise DBError(e) return _wrap _wrap.func_name = f.func_name @@ -127,3 +86,452 @@ def wrap_exception(f): raise _wrap.func_name = f.func_name return _wrap + + +class NovaException(Exception): + """Base Nova Exception + + To correctly use this class, inherit from it and define + a 'message' property. That message will get printf'd + with the keyword arguments provided to the constructor. + + """ + message = _("An unknown exception occurred.") + + def __init__(self, **kwargs): + try: + self._error_string = self.message % kwargs + + except Exception: + # at least get the core message out if something happened + self._error_string = self.message + + def __str__(self): + return self._error_string + + +class NotAuthorized(NovaException): + message = _("Not authorized.") + + def __init__(self, *args, **kwargs): + super(NotFound, self).__init__(**kwargs) + + +class AdminRequired(NotAuthorized): + message = _("User does not have admin privileges") + + +class Invalid(NovaException): + message = _("Unacceptable parameters.") + + +class InvalidSignature(Invalid): + message = _("Invalid signature %(signature)s for user %(user)s.") + + +class InvalidInput(Invalid): + message = _("Invalid input received") + ": %(reason)s" + + +class InvalidInstanceType(Invalid): + message = _("Invalid instance type %(instance_type)s.") + + +class InvalidPortRange(Invalid): + message = _("Invalid port range %(from_port)s:%(to_port)s.") + + +class InvalidIpProtocol(Invalid): + message = _("Invalid IP protocol %(protocol)s.") + + +class InvalidContentType(Invalid): + message = _("Invalid content type %(content_type)s.") + + +class InstanceNotRunning(Invalid): + message = _("Instance %(instance_id)s is not running.") + + +class InstanceNotSuspended(Invalid): + message = _("Instance %(instance_id)s is not suspended.") + + +class InstanceNotInRescueMode(Invalid): + message = _("Instance %(instance_id)s is not in rescue mode") + + +class InstanceSuspendFailure(Invalid): + message = _("Failed to suspend instance") + ": %(reason)s" + + +class InstanceResumeFailure(Invalid): + message = _("Failed to resume server") + ": %(reason)s." + + +class InstanceRebootFailure(Invalid): + message = _("Failed to reboot instance") + ": %(reason)s" + + +class ServiceUnavailable(Invalid): + message = _("Service is unavailable at this time.") + + +class VolumeServiceUnavailable(ServiceUnavailable): + message = _("Volume service is unavailable at this time.") + + +class ComputeServiceUnavailable(ServiceUnavailable): + message = _("Compute service is unavailable at this time.") + + +class UnableToMigrateToSelf(Invalid): + message = _("Unable to migrate instance (%(instance_id)s) " + "to current host (%(host)s).") + + +class SourceHostUnavailable(Invalid): + message = _("Original compute host is unavailable at this time.") + + +class InvalidHypervisorType(Invalid): + message = _("The supplied hypervisor type of is invalid.") + + +class DestinationHypervisorTooOld(Invalid): + message = _("The instance requires a newer hypervisor version than " + "has been provided.") + + +class InvalidDevicePath(Invalid): + message = _("The supplied device path (%(path)s) is invalid.") + + +class InvalidCPUInfo(Invalid): + message = _("Unacceptable CPU info") + ": %(reason)s" + + +class InvalidVLANTag(Invalid): + message = _("VLAN tag is not appropriate for the port group " + "%(bridge)s. Expected VLAN tag is %(tag)s, " + "but the one associated with the port group is %(pgroup)s.") + + +class InvalidVLANPortGroup(Invalid): + message = _("vSwitch which contains the port group %(bridge)s is " + "not associated with the desired physical adapter. " + "Expected vSwitch is %(expected)s, but the one associated " + "is %(actual)s.") + + +class InvalidDiskFormat(Invalid): + message = _("Disk format %(disk_format)s is not acceptable") + + +class ImageUnacceptable(Invalid): + message = _("Image %(image_id)s is unacceptable") + ": %(reason)s" + + +class InstanceUnacceptable(Invalid): + message = _("Instance %(instance_id)s is unacceptable") + ": %(reason)s" + + +class NotFound(NovaException): + message = _("Resource could not be found.") + + def __init__(self, *args, **kwargs): + super(NotFound, self).__init__(**kwargs) + + +class InstanceNotFound(NotFound): + message = _("Instance %(instance_id)s could not be found.") + + +class VolumeNotFound(NotFound): + message = _("Volume %(volume_id)s could not be found.") + + +class VolumeNotFoundForInstance(VolumeNotFound): + message = _("Volume not found for instance %(instance_id)s.") + + +class ExportDeviceNotFoundForVolume(NotFound): + message = _("No export device found for volume %(volume_id)s.") + + +class ISCSITargetNotFoundForVolume(NotFound): + message = _("No target id found for volume %(volume_id)s.") + + +class DiskNotFound(NotFound): + message = _("No disk at %(location)s") + + +class ImageNotFound(NotFound): + message = _("Image %(image_id)s could not be found.") + + +class KernelNotFoundForImage(ImageNotFound): + message = _("Kernel not found for image %(image_id)s.") + + +class RamdiskNotFoundForImage(ImageNotFound): + message = _("Ramdisk not found for image %(image_id)s.") + + +class UserNotFound(NotFound): + message = _("User %(user_id)s could not be found.") + + +class ProjectNotFound(NotFound): + message = _("Project %(project_id)s could not be found.") + + +class ProjectMembershipNotFound(NotFound): + message = _("User %(user_id)s is not a member of project %(project_id)s.") + + +class UserRoleNotFound(NotFound): + message = _("Role %(role_id)s could not be found.") + + +class StorageRepositoryNotFound(NotFound): + message = _("Cannot find SR to read/write VDI.") + + +class NetworkNotFound(NotFound): + message = _("Network %(network_id)s could not be found.") + + +class NetworkNotFoundForBridge(NetworkNotFound): + message = _("Network could not be found for bridge %(bridge)s") + + +class NetworkNotFoundForCidr(NetworkNotFound): + message = _("Network could not be found with cidr %(cidr)s.") + + +class NetworkNotFoundForInstance(NetworkNotFound): + message = _("Network could not be found for instance %(instance_id)s.") + + +class NoNetworksFound(NotFound): + message = _("No networks defined.") + + +class DatastoreNotFound(NotFound): + message = _("Could not find the datastore reference(s) which the VM uses.") + + +class NoFixedIpsFoundForInstance(NotFound): + message = _("Instance %(instance_id)s has zero fixed ips.") + + +class FloatingIpNotFound(NotFound): + message = _("Floating ip not found for fixed address %(fixed_ip)s.") + + +class NoFloatingIpsDefined(NotFound): + message = _("Zero floating ips could be found.") + + +class NoFloatingIpsDefinedForHost(NoFloatingIpsDefined): + message = _("Zero floating ips defined for host %(host)s.") + + +class NoFloatingIpsDefinedForInstance(NoFloatingIpsDefined): + message = _("Zero floating ips defined for instance %(instance_id)s.") + + +class KeypairNotFound(NotFound): + message = _("Keypair %(keypair_name)s not found for user %(user_id)s") + + +class CertificateNotFound(NotFound): + message = _("Certificate %(certificate_id)s not found.") + + +class ServiceNotFound(NotFound): + message = _("Service %(service_id)s could not be found.") + + +class HostNotFound(NotFound): + message = _("Host %(host)s could not be found.") + + +class ComputeHostNotFound(HostNotFound): + message = _("Compute host %(host)s could not be found.") + + +class HostBinaryNotFound(NotFound): + message = _("Could not find binary %(binary)s on host %(host)s.") + + +class AuthTokenNotFound(NotFound): + message = _("Auth token %(token)s could not be found.") + + +class AccessKeyNotFound(NotFound): + message = _("Access Key %(access_key)s could not be found.") + + +class QuotaNotFound(NotFound): + message = _("Quota could not be found") + + +class ProjectQuotaNotFound(QuotaNotFound): + message = _("Quota for project %(project_id)s could not be found.") + + +class SecurityGroupNotFound(NotFound): + message = _("Security group %(security_group_id)s not found.") + + +class SecurityGroupNotFoundForProject(SecurityGroupNotFound): + message = _("Security group %(security_group_id)s not found " + "for project %(project_id)s.") + + +class SecurityGroupNotFoundForRule(SecurityGroupNotFound): + message = _("Security group with rule %(rule_id)s not found.") + + +class MigrationNotFound(NotFound): + message = _("Migration %(migration_id)s could not be found.") + + +class MigrationNotFoundByStatus(MigrationNotFound): + message = _("Migration not found for instance %(instance_id)s " + "with status %(status)s.") + + +class ConsolePoolNotFound(NotFound): + message = _("Console pool %(pool_id)s could not be found.") + + +class ConsolePoolNotFoundForHostType(NotFound): + message = _("Console pool of type %(console_type)s " + "for compute host %(compute_host)s " + "on proxy host %(host)s not found.") + + +class ConsoleNotFound(NotFound): + message = _("Console %(console_id)s could not be found.") + + +class ConsoleNotFoundForInstance(ConsoleNotFound): + message = _("Console for instance %(instance_id)s could not be found.") + + +class ConsoleNotFoundInPoolForInstance(ConsoleNotFound): + message = _("Console for instance %(instance_id)s " + "in pool %(pool_id)s could not be found.") + + +class NoInstanceTypesFound(NotFound): + message = _("Zero instance types found.") + + +class InstanceTypeNotFound(NotFound): + message = _("Instance type %(instance_type_id)s could not be found.") + + +class InstanceTypeNotFoundByName(InstanceTypeNotFound): + message = _("Instance type with name %(instance_type_name)s " + "could not be found.") + + +class FlavorNotFound(NotFound): + message = _("Flavor %(flavor_id)s could not be found.") + + +class ZoneNotFound(NotFound): + message = _("Zone %(zone_id)s could not be found.") + + +class InstanceMetadataNotFound(NotFound): + message = _("Instance %(instance_id)s has no metadata with " + "key %(metadata_key)s.") + + +class LDAPObjectNotFound(NotFound): + message = _("LDAP object could not be found") + + +class LDAPUserNotFound(LDAPObjectNotFound): + message = _("LDAP user %(user_id)s could not be found.") + + +class LDAPGroupNotFound(LDAPObjectNotFound): + message = _("LDAP group %(group_id)s could not be found.") + + +class LDAPGroupMembershipNotFound(NotFound): + message = _("LDAP user %(user_id)s is not a member of group %(group_id)s.") + + +class FileNotFound(NotFound): + message = _("File %(file_path)s could not be found.") + + +class NoFilesFound(NotFound): + message = _("Zero files could be found.") + + +class SwitchNotFoundForNetworkAdapter(NotFound): + message = _("Virtual switch associated with the " + "network adapter %(adapter)s not found.") + + +class NetworkAdapterNotFound(NotFound): + message = _("Network adapter %(adapter)s could not be found.") + + +class ClassNotFound(NotFound): + message = _("Class %(class_name)s could not be found") + + +class NotAllowed(NovaException): + message = _("Action not allowed.") + + +class GlobalRoleNotAllowed(NotAllowed): + message = _("Unable to use global role %(role_id)s") + + +#TODO(bcwaldon): EOL this exception! +class Duplicate(NovaException): + pass + + +class KeyPairExists(Duplicate): + message = _("Key pair %(key_name)s already exists.") + + +class UserExists(Duplicate): + message = _("User %(user)s already exists.") + + +class LDAPUserExists(UserExists): + message = _("LDAP user %(user)s already exists.") + + +class LDAPGroupExists(Duplicate): + message = _("LDAP group %(group)s already exists.") + + +class LDAPMembershipExists(Duplicate): + message = _("User %(uid)s is already a member of " + "the group %(group_dn)s") + + +class ProjectExists(Duplicate): + message = _("Project %(project)s already exists.") + + +class InstanceExists(Duplicate): + message = _("Instance %(name)s already exists.") + + +class MigrationError(NovaException): + message = _("Migration error") + ": %(reason)s" diff --git a/nova/fakememcache.py b/nova/fakememcache.py index 67f46dbdc..e4f238aa9 100644 --- a/nova/fakememcache.py +++ b/nova/fakememcache.py @@ -18,14 +18,14 @@ """Super simple fake memcache client.""" -import utils +from nova import utils class Client(object): """Replicates a tiny subset of memcached client interface.""" def __init__(self, *args, **kwargs): - """Ignores the passed in args""" + """Ignores the passed in args.""" self.cache = {} def get(self, key): diff --git a/nova/flags.py b/nova/flags.py index f011ab383..519793643 100644 --- a/nova/flags.py +++ b/nova/flags.py @@ -16,9 +16,13 @@ # License for the specific language governing permissions and limitations # under the License. -""" +"""Command-line flag library. + +Wraps gflags. + Package-level global flags are defined here, the rest are defined where they're used. + """ import getopt @@ -145,10 +149,12 @@ class FlagValues(gflags.FlagValues): class StrWrapper(object): - """Wrapper around FlagValues objects + """Wrapper around FlagValues objects. Wraps FlagValues objects for string.Template so that we're - sure to return strings.""" + sure to return strings. + + """ def __init__(self, context_objs): self.context_objs = context_objs @@ -169,6 +175,7 @@ def _GetCallingModule(): We generally use this function to get the name of the module calling a DEFINE_foo... function. + """ # Walk down the stack to find the first globals dict that's not ours. for depth in range(1, sys.getrecursionlimit()): @@ -192,6 +199,7 @@ def __GetModuleName(globals_dict): Returns: A string (the name of the module) or None (if the module could not be identified. + """ for name, module in sys.modules.iteritems(): if getattr(module, '__dict__', None) is globals_dict: @@ -316,7 +324,7 @@ DEFINE_string('null_kernel', 'nokernel', 'kernel image that indicates not to use a kernel,' ' but to use a raw disk image instead') -DEFINE_string('vpn_image_id', 'ami-cloudpipe', 'AMI for cloudpipe vpn server') +DEFINE_integer('vpn_image_id', 0, 'integer id for cloudpipe vpn server') DEFINE_string('vpn_key_suffix', '-vpn', 'Suffix to add to project name for vpn key and secgroups') @@ -326,7 +334,7 @@ DEFINE_integer('auth_token_ttl', 3600, 'Seconds for auth tokens to linger') DEFINE_string('state_path', os.path.join(os.path.dirname(__file__), '../'), "Top-level directory for maintaining nova's state") DEFINE_string('lock_path', os.path.join(os.path.dirname(__file__), '../'), - "Directory for lock files") + 'Directory for lock files') DEFINE_string('logdir', None, 'output to a per-service log file in named ' 'directory') @@ -361,6 +369,9 @@ DEFINE_string('host', socket.gethostname(), DEFINE_string('node_availability_zone', 'nova', 'availability zone of this node') +DEFINE_list('memcached_servers', None, + 'Memcached servers or None for in process cache.') + DEFINE_string('zone_name', 'nova', 'name of this zone') DEFINE_list('zone_capabilities', ['hypervisor=xenserver;kvm', 'os=linux;windows'], diff --git a/nova/image/fake.py b/nova/image/fake.py index d1c62757f..b400b2adb 100644 --- a/nova/image/fake.py +++ b/nova/image/fake.py @@ -14,6 +14,7 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. + """Implementation of an fake image service""" import copy @@ -47,8 +48,7 @@ class FakeImageService(service.BaseImageService): 'container_format': 'ami', 'disk_format': 'raw', 'properties': {'kernel_id': FLAGS.null_kernel, - 'ramdisk_id': FLAGS.null_kernel} - } + 'ramdisk_id': FLAGS.null_kernel}} self.create(None, image) super(FakeImageService, self).__init__() @@ -70,14 +70,14 @@ class FakeImageService(service.BaseImageService): image = self.images.get(image_id) if image: return copy.deepcopy(image) - LOG.warn("Unable to find image id %s. Have images: %s", + LOG.warn('Unable to find image id %s. Have images: %s', image_id, self.images) - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) def create(self, context, data): """Store the image data and return the new image id. - :raises Duplicate if the image already exist. + :raises: Duplicate if the image already exist. """ image_id = int(data['id']) @@ -89,24 +89,24 @@ class FakeImageService(service.BaseImageService): def update(self, context, image_id, data): """Replace the contents of the given image with the new data. - :raises NotFound if the image does not exist. + :raises: ImageNotFound if the image does not exist. """ image_id = int(image_id) if not self.images.get(image_id): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) self.images[image_id] = copy.deepcopy(data) def delete(self, context, image_id): """Delete the given image. - :raises NotFound if the image does not exist. + :raises: ImageNotFound if the image does not exist. """ image_id = int(image_id) removed = self.images.pop(image_id, None) if not removed: - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) def delete_all(self): """Clears out all images.""" diff --git a/nova/image/glance.py b/nova/image/glance.py index 1a80bb2af..193e37273 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -14,6 +14,7 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. + """Implementation of an image service that uses Glance as the backend""" from __future__ import absolute_import @@ -31,16 +32,18 @@ from nova.image import service LOG = logging.getLogger('nova.image.glance') + FLAGS = flags.FLAGS + GlanceClient = utils.import_class('glance.client.Client') class GlanceImageService(service.BaseImageService): """Provides storage and retrieval of disk image objects within Glance.""" - GLANCE_ONLY_ATTRS = ["size", "location", "disk_format", - "container_format"] + GLANCE_ONLY_ATTRS = ['size', 'location', 'disk_format', + 'container_format'] # NOTE(sirp): Overriding to use _translate_to_service provided by # BaseImageService @@ -56,9 +59,7 @@ class GlanceImageService(service.BaseImageService): self.client = client def index(self, context): - """ - Calls out to Glance for a list of images available - """ + """Calls out to Glance for a list of images available.""" # NOTE(sirp): We need to use `get_images_detailed` and not # `get_images` here because we need `is_public` and `properties` # included so we can filter by user @@ -71,9 +72,7 @@ class GlanceImageService(service.BaseImageService): return filtered def detail(self, context): - """ - Calls out to Glance for a list of detailed image information - """ + """Calls out to Glance for a list of detailed image information.""" filtered = [] image_metas = self.client.get_images_detailed() for image_meta in image_metas: @@ -83,40 +82,34 @@ class GlanceImageService(service.BaseImageService): return filtered def show(self, context, image_id): - """ - Returns a dict containing image data for the given opaque image id. - """ + """Returns a dict with image data for the given opaque image id.""" try: image_meta = self.client.get_image_meta(image_id) except glance_exception.NotFound: - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) if not self._is_image_available(context, image_meta): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) base_image_meta = self._translate_to_base(image_meta) return base_image_meta def show_by_name(self, context, name): - """ - Returns a dict containing image data for the given name. - """ + """Returns a dict containing image data for the given name.""" # TODO(vish): replace this with more efficient call when glance # supports it. image_metas = self.detail(context) for image_meta in image_metas: if name == image_meta.get('name'): return image_meta - raise exception.NotFound + raise exception.ImageNotFound(image_id=name) def get(self, context, image_id, data): - """ - Calls out to Glance for metadata and data and writes data. - """ + """Calls out to Glance for metadata and data and writes data.""" try: image_meta, image_chunks = self.client.get_image(image_id) except glance_exception.NotFound: - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) for chunk in image_chunks: data.write(chunk) @@ -125,16 +118,16 @@ class GlanceImageService(service.BaseImageService): return base_image_meta def create(self, context, image_meta, data=None): - """ - Store the image data and return the new image id. + """Store the image data and return the new image id. + + :raises: AlreadyExists if the image already exist. - :raises AlreadyExists if the image already exist. """ # Translate Base -> Service - LOG.debug(_("Creating image in Glance. Metadata passed in %s"), + LOG.debug(_('Creating image in Glance. Metadata passed in %s'), image_meta) sent_service_image_meta = self._translate_to_service(image_meta) - LOG.debug(_("Metadata after formatting for Glance %s"), + LOG.debug(_('Metadata after formatting for Glance %s'), sent_service_image_meta) recv_service_image_meta = self.client.add_image( @@ -142,50 +135,47 @@ class GlanceImageService(service.BaseImageService): # Translate Service -> Base base_image_meta = self._translate_to_base(recv_service_image_meta) - LOG.debug(_("Metadata returned from Glance formatted for Base %s"), + LOG.debug(_('Metadata returned from Glance formatted for Base %s'), base_image_meta) return base_image_meta def update(self, context, image_id, image_meta, data=None): """Replace the contents of the given image with the new data. - :raises NotFound if the image does not exist. + :raises: ImageNotFound if the image does not exist. + """ # NOTE(vish): show is to check if image is available self.show(context, image_id) try: image_meta = self.client.update_image(image_id, image_meta, data) except glance_exception.NotFound: - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) base_image_meta = self._translate_to_base(image_meta) return base_image_meta def delete(self, context, image_id): - """ - Delete the given image. + """Delete the given image. + + :raises: ImageNotFound if the image does not exist. - :raises NotFound if the image does not exist. """ # NOTE(vish): show is to check if image is available self.show(context, image_id) try: result = self.client.delete_image(image_id) except glance_exception.NotFound: - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) return result def delete_all(self): - """ - Clears out all images - """ + """Clears out all images.""" pass @classmethod def _translate_to_base(cls, image_meta): - """Overriding the base translation to handle conversion to datetime - objects - """ + """Override translation to handle conversion to datetime objects.""" image_meta = service.BaseImageService._propertify_metadata( image_meta, cls.SERVICE_IMAGE_ATTRS) image_meta = _convert_timestamps_to_datetimes(image_meta) @@ -194,9 +184,7 @@ class GlanceImageService(service.BaseImageService): # utility functions def _convert_timestamps_to_datetimes(image_meta): - """ - Returns image with known timestamp fields converted to datetime objects - """ + """Returns image with timestamp fields converted to datetime objects.""" for attr in ['created_at', 'updated_at', 'deleted_at']: if image_meta.get(attr): image_meta[attr] = _parse_glance_iso8601_timestamp( @@ -205,10 +193,8 @@ def _convert_timestamps_to_datetimes(image_meta): def _parse_glance_iso8601_timestamp(timestamp): - """ - Parse a subset of iso8601 timestamps into datetime objects - """ - iso_formats = ["%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%dT%H:%M:%S"] + """Parse a subset of iso8601 timestamps into datetime objects.""" + iso_formats = ['%Y-%m-%dT%H:%M:%S.%f', '%Y-%m-%dT%H:%M:%S'] for iso_format in iso_formats: try: @@ -216,5 +202,5 @@ def _parse_glance_iso8601_timestamp(timestamp): except ValueError: pass - raise ValueError(_("%(timestamp)s does not follow any of the " - "signatures: %(ISO_FORMATS)s") % locals()) + raise ValueError(_('%(timestamp)s does not follow any of the ' + 'signatures: %(ISO_FORMATS)s') % locals()) diff --git a/nova/image/local.py b/nova/image/local.py index d4fd62156..b6d8f3ba1 100644 --- a/nova/image/local.py +++ b/nova/image/local.py @@ -23,14 +23,15 @@ import shutil from nova import exception from nova import flags from nova import log as logging -from nova.image import service from nova import utils +from nova.image import service FLAGS = flags.FLAGS flags.DEFINE_string('images_path', '$state_path/images', 'path to decrypted images') + LOG = logging.getLogger('nova.image.local') @@ -56,9 +57,8 @@ class LocalImageService(service.BaseImageService): try: unhexed_image_id = int(image_dir, 16) except ValueError: - LOG.error( - _("%s is not in correct directory naming format"\ - % image_dir)) + LOG.error(_('%s is not in correct directory naming format') + % image_dir) else: images.append(unhexed_image_id) return images @@ -86,10 +86,10 @@ class LocalImageService(service.BaseImageService): with open(self._path_to(image_id)) as metadata_file: image_meta = json.load(metadata_file) if not self._is_image_available(context, image_meta): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) return image_meta except (IOError, ValueError): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) def show_by_name(self, context, name): """Returns a dict containing image data for the given name.""" @@ -101,8 +101,8 @@ class LocalImageService(service.BaseImageService): if name == cantidate.get('name'): image = cantidate break - if image == None: - raise exception.NotFound + if image is None: + raise exception.ImageNotFound(image_id=image_id) return image def get(self, context, image_id, data): @@ -113,7 +113,7 @@ class LocalImageService(service.BaseImageService): with open(self._path_to(image_id, 'image')) as image_file: shutil.copyfileobj(image_file, data) except (IOError, ValueError): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) return metadata def create(self, context, metadata, data=None): @@ -143,12 +143,13 @@ class LocalImageService(service.BaseImageService): with open(self._path_to(image_id), 'w') as metadata_file: json.dump(metadata, metadata_file) except (IOError, ValueError): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) return metadata def delete(self, context, image_id): """Delete the given image. - Raises NotFound if the image does not exist. + + :raises: ImageNotFound if the image does not exist. """ # NOTE(vish): show is to check if image is available @@ -156,7 +157,7 @@ class LocalImageService(service.BaseImageService): try: shutil.rmtree(self._path_to(image_id, None)) except (IOError, ValueError): - raise exception.NotFound + raise exception.ImageNotFound(image_id=image_id) def delete_all(self): """Clears out all images in local directory.""" diff --git a/nova/image/s3.py b/nova/image/s3.py index b1034d151..c38c58d95 100644 --- a/nova/image/s3.py +++ b/nova/image/s3.py @@ -16,13 +16,9 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Proxy AMI-related calls from the cloud controller, to the running -objectstore service. -""" +"""Proxy AMI-related calls from cloud controller to objectstore service.""" import binascii -import eventlet import os import shutil import tarfile @@ -30,6 +26,7 @@ import tempfile from xml.etree import ElementTree import boto.s3.connection +import eventlet from nova import crypto from nova import exception @@ -46,15 +43,20 @@ flags.DEFINE_string('image_decryption_dir', '/tmp', class S3ImageService(service.BaseImageService): - """Wraps an existing image service to support s3 based register""" + """Wraps an existing image service to support s3 based register.""" + def __init__(self, service=None, *args, **kwargs): - if service == None: + if service is None: service = utils.import_object(FLAGS.image_service) self.service = service self.service.__init__(*args, **kwargs) def create(self, context, metadata, data=None): - """metadata['properties'] should contain image_location""" + """Create an image. + + metadata['properties'] should contain image_location. + + """ image = self._s3_create(context, metadata) return image @@ -100,12 +102,12 @@ class S3ImageService(service.BaseImageService): return local_filename def _s3_create(self, context, metadata): - """Gets a manifext from s3 and makes an image""" + """Gets a manifext from s3 and makes an image.""" image_path = tempfile.mkdtemp(dir=FLAGS.image_decryption_dir) image_location = metadata['properties']['image_location'] - bucket_name = image_location.split("/")[0] + bucket_name = image_location.split('/')[0] manifest_path = image_location[len(bucket_name) + 1:] bucket = self._conn(context).get_bucket(bucket_name) key = bucket.get_key(manifest_path) @@ -116,7 +118,7 @@ class S3ImageService(service.BaseImageService): image_type = 'machine' try: - kernel_id = manifest.find("machine_configuration/kernel_id").text + kernel_id = manifest.find('machine_configuration/kernel_id').text if kernel_id == 'true': image_format = 'aki' image_type = 'kernel' @@ -125,7 +127,7 @@ class S3ImageService(service.BaseImageService): kernel_id = None try: - ramdisk_id = manifest.find("machine_configuration/ramdisk_id").text + ramdisk_id = manifest.find('machine_configuration/ramdisk_id').text if ramdisk_id == 'true': image_format = 'ari' image_type = 'ramdisk' @@ -134,7 +136,7 @@ class S3ImageService(service.BaseImageService): ramdisk_id = None try: - arch = manifest.find("machine_configuration/architecture").text + arch = manifest.find('machine_configuration/architecture').text except Exception: arch = 'x86_64' @@ -160,7 +162,7 @@ class S3ImageService(service.BaseImageService): def delayed_create(): """This handles the fetching and decrypting of the part files.""" parts = [] - for fn_element in manifest.find("image").getiterator("filename"): + for fn_element in manifest.find('image').getiterator('filename'): part = self._download_file(bucket, fn_element.text, image_path) parts.append(part) @@ -174,9 +176,9 @@ class S3ImageService(service.BaseImageService): metadata['properties']['image_state'] = 'decrypting' self.service.update(context, image_id, metadata) - hex_key = manifest.find("image/ec2_encrypted_key").text + hex_key = manifest.find('image/ec2_encrypted_key').text encrypted_key = binascii.a2b_hex(hex_key) - hex_iv = manifest.find("image/ec2_encrypted_iv").text + hex_iv = manifest.find('image/ec2_encrypted_iv').text encrypted_iv = binascii.a2b_hex(hex_iv) # FIXME(vish): grab key from common service so this can run on @@ -214,7 +216,7 @@ class S3ImageService(service.BaseImageService): process_input=encrypted_key, check_exit_code=False) if err: - raise exception.Error(_("Failed to decrypt private key: %s") + raise exception.Error(_('Failed to decrypt private key: %s') % err) iv, err = utils.execute('openssl', 'rsautl', @@ -223,8 +225,8 @@ class S3ImageService(service.BaseImageService): process_input=encrypted_iv, check_exit_code=False) if err: - raise exception.Error(_("Failed to decrypt initialization " - "vector: %s") % err) + raise exception.Error(_('Failed to decrypt initialization ' + 'vector: %s') % err) _out, err = utils.execute('openssl', 'enc', '-d', '-aes-128-cbc', @@ -234,14 +236,14 @@ class S3ImageService(service.BaseImageService): '-out', '%s' % (decrypted_filename,), check_exit_code=False) if err: - raise exception.Error(_("Failed to decrypt image file " - "%(image_file)s: %(err)s") % + raise exception.Error(_('Failed to decrypt image file ' + '%(image_file)s: %(err)s') % {'image_file': encrypted_filename, 'err': err}) @staticmethod def _untarzip_image(path, filename): - tar_file = tarfile.open(filename, "r|gz") + tar_file = tarfile.open(filename, 'r|gz') tar_file.extractall(path) image_file = tar_file.getnames()[0] tar_file.close() diff --git a/nova/image/service.py b/nova/image/service.py index fddc72409..ab6749049 100644 --- a/nova/image/service.py +++ b/nova/image/service.py @@ -20,7 +20,7 @@ from nova import utils class BaseImageService(object): - """Base class for providing image search and retrieval services + """Base class for providing image search and retrieval services. ImageService exposes two concepts of metadata: @@ -35,7 +35,9 @@ class BaseImageService(object): This means that ImageServices will return BASE_IMAGE_ATTRS as keys in the metadata dict, all other attributes will be returned as keys in the nested 'properties' dict. + """ + BASE_IMAGE_ATTRS = ['id', 'name', 'created_at', 'updated_at', 'deleted_at', 'deleted', 'status', 'is_public'] @@ -45,23 +47,18 @@ class BaseImageService(object): SERVICE_IMAGE_ATTRS = [] def index(self, context): - """ - Returns a sequence of mappings of id and name information about - images. + """List images. - :rtype: array - :retval: a sequence of mappings with the following signature - {'id': opaque id of image, 'name': name of image} + :returns: a sequence of mappings with the following signature + {'id': opaque id of image, 'name': name of image} """ raise NotImplementedError def detail(self, context): - """ - Returns a sequence of mappings of detailed information about images. + """Detailed information about an images. - :rtype: array - :retval: a sequence of mappings with the following signature + :returns: a sequence of mappings with the following signature {'id': opaque id of image, 'name': name of image, 'created_at': creation datetime object, @@ -77,15 +74,14 @@ class BaseImageService(object): NotImplementedError, in which case Nova will emulate this method with repeated calls to show() for each image received from the index() method. + """ raise NotImplementedError def show(self, context, image_id): - """ - Returns a dict containing image metadata for the given opaque image id. - - :retval a mapping with the following signature: + """Detailed information about an image. + :returns: a mapping with the following signature: {'id': opaque id of image, 'name': name of image, 'created_at': creation datetime object, @@ -96,54 +92,56 @@ class BaseImageService(object): 'is_public': boolean indicating if image is public }, ... - :raises NotFound if the image does not exist + :raises: NotFound if the image does not exist + """ raise NotImplementedError def get(self, context, data): - """ - Returns a dict containing image metadata and writes image data to data. + """Get an image. :param data: a file-like object to hold binary image data + :returns: a dict containing image metadata, writes image data to data. + :raises: NotFound if the image does not exist - :raises NotFound if the image does not exist """ raise NotImplementedError def create(self, context, metadata, data=None): - """ - Store the image metadata and data and return the new image metadata. + """Store the image metadata and data. - :raises AlreadyExists if the image already exist. + :returns: the new image metadata. + :raises: AlreadyExists if the image already exist. """ raise NotImplementedError def update(self, context, image_id, metadata, data=None): - """Update the given image metadata and data and return the metadata + """Update the given image metadata and data and return the metadata. - :raises NotFound if the image does not exist. + :raises: NotFound if the image does not exist. """ raise NotImplementedError def delete(self, context, image_id): - """ - Delete the given image. + """Delete the given image. - :raises NotFound if the image does not exist. + :raises: NotFound if the image does not exist. """ raise NotImplementedError @staticmethod def _is_image_available(context, image_meta): - """ + """Check image availability. + Images are always available if they are public or if the user is an admin. Otherwise, we filter by project_id (if present) and then fall-back to images owned by user. + """ # FIXME(sirp): We should be filtering by user_id on the Glance side # for security; however, we can't do that until we get authn/authz @@ -169,29 +167,32 @@ class BaseImageService(object): This is used by subclasses to expose only a metadata dictionary that is the same across ImageService implementations. + """ return cls._propertify_metadata(metadata, cls.BASE_IMAGE_ATTRS) @classmethod def _translate_to_service(cls, metadata): - """Return a metadata dictionary that is usable by the ImageService - subclass. + """Return a metadata dict that is usable by the ImageService subclass. As an example, Glance has additional attributes (like 'location'); the BaseImageService considers these properties, but we need to translate these back to first-class attrs for sending to Glance. This method handles this by allowing you to specify the attributes an ImageService considers first-class. + """ if not cls.SERVICE_IMAGE_ATTRS: - raise NotImplementedError(_("Cannot use this without specifying " - "SERVICE_IMAGE_ATTRS for subclass")) + raise NotImplementedError(_('Cannot use this without specifying ' + 'SERVICE_IMAGE_ATTRS for subclass')) return cls._propertify_metadata(metadata, cls.SERVICE_IMAGE_ATTRS) @staticmethod def _propertify_metadata(metadata, keys): - """Return a dict with any unrecognized keys placed in the nested - 'properties' dict. + """Move unknown keys to a nested 'properties' dict. + + :returns: a new dict with the keys moved. + """ flattened = utils.flatten_dict(metadata) attributes, properties = utils.partition_dict(flattened, keys) diff --git a/nova/log.py b/nova/log.py index d194ab8f0..096279f7c 100644 --- a/nova/log.py +++ b/nova/log.py @@ -16,16 +16,15 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Nova logging handler. +"""Nova logging handler. This module adds to logging functionality by adding the option to specify a context object when calling the various log methods. If the context object is not specified, default formatting is used. It also allows setting of formatting information through flags. -""" +""" import cStringIO import inspect @@ -41,34 +40,28 @@ from nova import version FLAGS = flags.FLAGS - flags.DEFINE_string('logging_context_format_string', '%(asctime)s %(levelname)s %(name)s ' '[%(request_id)s %(user)s ' '%(project)s] %(message)s', 'format string to use for log messages with context') - flags.DEFINE_string('logging_default_format_string', '%(asctime)s %(levelname)s %(name)s [-] ' '%(message)s', 'format string to use for log messages without context') - flags.DEFINE_string('logging_debug_format_suffix', 'from (pid=%(process)d) %(funcName)s' ' %(pathname)s:%(lineno)d', 'data to append to log format when level is DEBUG') - flags.DEFINE_string('logging_exception_prefix', '(%(name)s): TRACE: ', 'prefix each line of exception output with this format') - flags.DEFINE_list('default_log_levels', ['amqplib=WARN', 'sqlalchemy=WARN', 'boto=WARN', 'eventlet.wsgi.server=WARN'], 'list of logger=LEVEL pairs') - flags.DEFINE_bool('use_syslog', False, 'output to syslog') flags.DEFINE_string('logfile', None, 'output to named file') @@ -83,6 +76,8 @@ WARN = logging.WARN INFO = logging.INFO DEBUG = logging.DEBUG NOTSET = logging.NOTSET + + # methods getLogger = logging.getLogger debug = logging.debug @@ -93,6 +88,8 @@ error = logging.error exception = logging.exception critical = logging.critical log = logging.log + + # handlers StreamHandler = logging.StreamHandler WatchedFileHandler = logging.handlers.WatchedFileHandler @@ -106,7 +103,7 @@ logging.addLevelName(AUDIT, 'AUDIT') def _dictify_context(context): - if context == None: + if context is None: return None if not isinstance(context, dict) \ and getattr(context, 'to_dict', None): @@ -127,17 +124,18 @@ def _get_log_file_path(binary=None): class NovaLogger(logging.Logger): - """ - NovaLogger manages request context and formatting. + """NovaLogger manages request context and formatting. This becomes the class that is instanciated by logging.getLogger. + """ + def __init__(self, name, level=NOTSET): logging.Logger.__init__(self, name, level) self.setup_from_flags() def setup_from_flags(self): - """Setup logger from flags""" + """Setup logger from flags.""" level = NOTSET for pair in FLAGS.default_log_levels: logger, _sep, level_name = pair.partition('=') @@ -148,7 +146,7 @@ class NovaLogger(logging.Logger): self.setLevel(level) def _log(self, level, msg, args, exc_info=None, extra=None, context=None): - """Extract context from any log call""" + """Extract context from any log call.""" if not extra: extra = {} if context: @@ -157,17 +155,17 @@ class NovaLogger(logging.Logger): return logging.Logger._log(self, level, msg, args, exc_info, extra) def addHandler(self, handler): - """Each handler gets our custom formatter""" + """Each handler gets our custom formatter.""" handler.setFormatter(_formatter) return logging.Logger.addHandler(self, handler) def audit(self, msg, *args, **kwargs): - """Shortcut for our AUDIT level""" + """Shortcut for our AUDIT level.""" if self.isEnabledFor(AUDIT): self._log(AUDIT, msg, args, **kwargs) def exception(self, msg, *args, **kwargs): - """Logging.exception doesn't handle kwargs, so breaks context""" + """Logging.exception doesn't handle kwargs, so breaks context.""" if not kwargs.get('exc_info'): kwargs['exc_info'] = 1 self.error(msg, *args, **kwargs) @@ -181,14 +179,13 @@ class NovaLogger(logging.Logger): for k in env.keys(): if not isinstance(env[k], str): env.pop(k) - message = "Environment: %s" % json.dumps(env) + message = 'Environment: %s' % json.dumps(env) kwargs.pop('exc_info') self.error(message, **kwargs) class NovaFormatter(logging.Formatter): - """ - A nova.context.RequestContext aware formatter configured through flags. + """A nova.context.RequestContext aware formatter configured through flags. The flags used to set format strings are: logging_context_foramt_string and logging_default_format_string. You can also specify @@ -197,10 +194,11 @@ class NovaFormatter(logging.Formatter): For information about what variables are available for the formatter see: http://docs.python.org/library/logging.html#formatter + """ def format(self, record): - """Uses contextstring if request_id is set, otherwise default""" + """Uses contextstring if request_id is set, otherwise default.""" if record.__dict__.get('request_id', None): self._fmt = FLAGS.logging_context_format_string else: @@ -214,20 +212,21 @@ class NovaFormatter(logging.Formatter): return logging.Formatter.format(self, record) def formatException(self, exc_info, record=None): - """Format exception output with FLAGS.logging_exception_prefix""" + """Format exception output with FLAGS.logging_exception_prefix.""" if not record: return logging.Formatter.formatException(self, exc_info) stringbuffer = cStringIO.StringIO() traceback.print_exception(exc_info[0], exc_info[1], exc_info[2], None, stringbuffer) - lines = stringbuffer.getvalue().split("\n") + lines = stringbuffer.getvalue().split('\n') stringbuffer.close() formatted_lines = [] for line in lines: pl = FLAGS.logging_exception_prefix % record.__dict__ - fl = "%s%s" % (pl, line) + fl = '%s%s' % (pl, line) formatted_lines.append(fl) - return "\n".join(formatted_lines) + return '\n'.join(formatted_lines) + _formatter = NovaFormatter() @@ -241,7 +240,7 @@ class NovaRootLogger(NovaLogger): NovaLogger.__init__(self, name, level) def setup_from_flags(self): - """Setup logger from flags""" + """Setup logger from flags.""" global _filelog if FLAGS.use_syslog: self.syslog = SysLogHandler(address='/dev/log') diff --git a/nova/manager.py b/nova/manager.py index 804a50479..34338ac04 100644 --- a/nova/manager.py +++ b/nova/manager.py @@ -16,7 +16,8 @@ # License for the specific language governing permissions and limitations # under the License. -""" +"""Base Manager class. + Managers are responsible for a certain aspect of the sytem. It is a logical grouping of code relating to a portion of the system. In general other components should be using the manager to make changes to the components that @@ -49,16 +50,19 @@ Managers will often provide methods for initial setup of a host or periodic tasksto a wrapping service. This module provides Manager, a base class for managers. + """ -from nova import utils from nova import flags from nova import log as logging +from nova import utils from nova.db import base from nova.scheduler import api + FLAGS = flags.FLAGS + LOG = logging.getLogger('nova.manager') @@ -70,23 +74,29 @@ class Manager(base.Base): super(Manager, self).__init__(db_driver) def periodic_tasks(self, context=None): - """Tasks to be run at a periodic interval""" + """Tasks to be run at a periodic interval.""" pass def init_host(self): - """Do any initialization that needs to be run if this is a standalone - service. Child classes should override this method.""" + """Handle initialization if this is a standalone service. + + Child classes should override this method. + + """ pass class SchedulerDependentManager(Manager): """Periodically send capability updates to the Scheduler services. - Services that need to update the Scheduler of their capabilities - should derive from this class. Otherwise they can derive from - manager.Manager directly. Updates are only sent after - update_service_capabilities is called with non-None values.""" - def __init__(self, host=None, db_driver=None, service_name="undefined"): + Services that need to update the Scheduler of their capabilities + should derive from this class. Otherwise they can derive from + manager.Manager directly. Updates are only sent after + update_service_capabilities is called with non-None values. + + """ + + def __init__(self, host=None, db_driver=None, service_name='undefined'): self.last_capabilities = None self.service_name = service_name super(SchedulerDependentManager, self).__init__(host, db_driver) @@ -96,9 +106,9 @@ class SchedulerDependentManager(Manager): self.last_capabilities = capabilities def periodic_tasks(self, context=None): - """Pass data back to the scheduler at a periodic interval""" + """Pass data back to the scheduler at a periodic interval.""" if self.last_capabilities: - LOG.debug(_("Notifying Schedulers of capabilities ...")) + LOG.debug(_('Notifying Schedulers of capabilities ...')) api.update_service_capabilities(context, self.service_name, self.host, self.last_capabilities) diff --git a/nova/network/api.py b/nova/network/api.py index c56e3062b..1d8193b28 100644 --- a/nova/network/api.py +++ b/nova/network/api.py @@ -51,8 +51,11 @@ class API(base.Base): {"method": "allocate_floating_ip", "args": {"project_id": context.project_id}}) - def release_floating_ip(self, context, address): + def release_floating_ip(self, context, address, + affect_auto_assigned=False): floating_ip = self.db.floating_ip_get_by_address(context, address) + if not affect_auto_assigned and floating_ip.get('auto_assigned'): + return # NOTE(vish): We don't know which network host should get the ip # when we deallocate, so just send it to any one. This # will probably need to move into a network supervisor @@ -62,10 +65,13 @@ class API(base.Base): {"method": "deallocate_floating_ip", "args": {"floating_address": floating_ip['address']}}) - def associate_floating_ip(self, context, floating_ip, fixed_ip): + def associate_floating_ip(self, context, floating_ip, fixed_ip, + affect_auto_assigned=False): if isinstance(fixed_ip, str) or isinstance(fixed_ip, unicode): fixed_ip = self.db.fixed_ip_get_by_address(context, fixed_ip) floating_ip = self.db.floating_ip_get_by_address(context, floating_ip) + if not affect_auto_assigned and floating_ip.get('auto_assigned'): + return # Check if the floating ip address is allocated if floating_ip['project_id'] is None: raise exception.ApiError(_("Address (%s) is not allocated") % @@ -90,8 +96,11 @@ class API(base.Base): "args": {"floating_address": floating_ip['address'], "fixed_address": fixed_ip['address']}}) - def disassociate_floating_ip(self, context, address): + def disassociate_floating_ip(self, context, address, + affect_auto_assigned=False): floating_ip = self.db.floating_ip_get_by_address(context, address) + if not affect_auto_assigned and floating_ip.get('auto_assigned'): + return if not floating_ip.get('fixed_ip'): raise exception.ApiError('Address is not associated.') # NOTE(vish): Get the topic from the host name of the network of diff --git a/nova/network/vmwareapi_net.py b/nova/network/vmwareapi_net.py index 93e6584f0..9b2db7b8f 100644 --- a/nova/network/vmwareapi_net.py +++ b/nova/network/vmwareapi_net.py @@ -52,16 +52,13 @@ def ensure_vlan_bridge(vlan_num, bridge, net_attrs=None): # Check if the vlan_interface physical network adapter exists on the host if not network_utils.check_if_vlan_interface_exists(session, vlan_interface): - raise exception.NotFound(_("There is no physical network adapter with " - "the name %s on the ESX host") % vlan_interface) + raise exception.NetworkAdapterNotFound(adapter=vlan_interface) # Get the vSwitch associated with the Physical Adapter vswitch_associated = network_utils.get_vswitch_for_vlan_interface( session, vlan_interface) if vswitch_associated is None: - raise exception.NotFound(_("There is no virtual switch associated " - "with the physical network adapter with name %s") % - vlan_interface) + raise exception.SwicthNotFoundForNetworkAdapter(adapter=vlan_interface) # Check whether bridge already exists and retrieve the the ref of the # network whose name_label is "bridge" network_ref = network_utils.get_network_with_the_name(session, bridge) @@ -75,17 +72,13 @@ def ensure_vlan_bridge(vlan_num, bridge, net_attrs=None): pg_vlanid, pg_vswitch = \ network_utils.get_vlanid_and_vswitch_for_portgroup(session, bridge) - # Check if the vsiwtch associated is proper + # Check if the vswitch associated is proper if pg_vswitch != vswitch_associated: - raise exception.Invalid(_("vSwitch which contains the port group " - "%(bridge)s is not associated with the desired " - "physical adapter. Expected vSwitch is " - "%(vswitch_associated)s, but the one associated" - " is %(pg_vswitch)s") % locals()) + raise exception.InvalidVLANPortGroup(bridge=bridge, + expected=vswitch_associated, + actual=pg_vswitch) # Check if the vlan id is proper for the port group if pg_vlanid != vlan_num: - raise exception.Invalid(_("VLAN tag is not appropriate for the " - "port group %(bridge)s. Expected VLAN tag is " - "%(vlan_num)s, but the one associated with the " - "port group is %(pg_vlanid)s") % locals()) + raise exception.InvalidVLANTag(bridge=bridge, tag=vlan_num, + pgroup=pg_vlanid) diff --git a/nova/network/xenapi_net.py b/nova/network/xenapi_net.py index 9a99602d9..8c22a7d4b 100644 --- a/nova/network/xenapi_net.py +++ b/nova/network/xenapi_net.py @@ -47,7 +47,7 @@ def ensure_vlan_bridge(vlan_num, bridge, net_attrs=None): network_ref = network_utils.NetworkHelper.find_network_with_name_label( session, bridge) - if network_ref == None: + if network_ref is None: # If bridge does not exists # 1 - create network description = "network for nova bridge %s" % bridge diff --git a/nova/quota.py b/nova/quota.py index 2b24c0b5b..d8b5d9a93 100644 --- a/nova/quota.py +++ b/nova/quota.py @@ -15,16 +15,15 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. -""" -Quotas for instances, volumes, and floating ips -""" + +"""Quotas for instances, volumes, and floating ips.""" from nova import db from nova import exception from nova import flags -FLAGS = flags.FLAGS +FLAGS = flags.FLAGS flags.DEFINE_integer('quota_instances', 10, 'number of instances allowed per project') flags.DEFINE_integer('quota_cores', 20, @@ -64,7 +63,7 @@ def get_quota(context, project_id): def allowed_instances(context, num_instances, instance_type): - """Check quota and return min(num_instances, allowed_instances)""" + """Check quota and return min(num_instances, allowed_instances).""" project_id = context.project_id context = context.elevated() used_instances, used_cores = db.instance_data_get_for_project(context, @@ -79,7 +78,7 @@ def allowed_instances(context, num_instances, instance_type): def allowed_volumes(context, num_volumes, size): - """Check quota and return min(num_volumes, allowed_volumes)""" + """Check quota and return min(num_volumes, allowed_volumes).""" project_id = context.project_id context = context.elevated() used_volumes, used_gigabytes = db.volume_data_get_for_project(context, @@ -95,7 +94,7 @@ def allowed_volumes(context, num_volumes, size): def allowed_floating_ips(context, num_floating_ips): - """Check quota and return min(num_floating_ips, allowed_floating_ips)""" + """Check quota and return min(num_floating_ips, allowed_floating_ips).""" project_id = context.project_id context = context.elevated() used_floating_ips = db.floating_ip_count_by_project(context, project_id) @@ -105,7 +104,7 @@ def allowed_floating_ips(context, num_floating_ips): def allowed_metadata_items(context, num_metadata_items): - """Check quota; return min(num_metadata_items,allowed_metadata_items)""" + """Check quota; return min(num_metadata_items,allowed_metadata_items).""" project_id = context.project_id context = context.elevated() quota = get_quota(context, project_id) @@ -114,20 +113,20 @@ def allowed_metadata_items(context, num_metadata_items): def allowed_injected_files(context): - """Return the number of injected files allowed""" + """Return the number of injected files allowed.""" return FLAGS.quota_max_injected_files def allowed_injected_file_content_bytes(context): - """Return the number of bytes allowed per injected file content""" + """Return the number of bytes allowed per injected file content.""" return FLAGS.quota_max_injected_file_content_bytes def allowed_injected_file_path_bytes(context): - """Return the number of bytes allowed in an injected file path""" + """Return the number of bytes allowed in an injected file path.""" return FLAGS.quota_max_injected_file_path_bytes class QuotaError(exception.ApiError): - """Quota Exceeeded""" + """Quota Exceeeded.""" pass diff --git a/nova/rpc.py b/nova/rpc.py index b610cdf9b..2116f22c3 100644 --- a/nova/rpc.py +++ b/nova/rpc.py @@ -16,9 +16,12 @@ # License for the specific language governing permissions and limitations # under the License. -""" -AMQP-based RPC. Queues have consumers and publishers. +"""AMQP-based RPC. + +Queues have consumers and publishers. + No fan-out support yet. + """ import json @@ -40,17 +43,19 @@ from nova import log as logging from nova import utils -FLAGS = flags.FLAGS LOG = logging.getLogger('nova.rpc') + +FLAGS = flags.FLAGS flags.DEFINE_integer('rpc_thread_pool_size', 1024, 'Size of RPC thread pool') class Connection(carrot_connection.BrokerConnection): - """Connection instance object""" + """Connection instance object.""" + @classmethod def instance(cls, new=True): - """Returns the instance""" + """Returns the instance.""" if new or not hasattr(cls, '_instance'): params = dict(hostname=FLAGS.rabbit_host, port=FLAGS.rabbit_port, @@ -71,9 +76,11 @@ class Connection(carrot_connection.BrokerConnection): @classmethod def recreate(cls): - """Recreates the connection instance + """Recreates the connection instance. + + This is necessary to recover from some network errors/disconnects. - This is necessary to recover from some network errors/disconnects""" + """ try: del cls._instance except AttributeError, e: @@ -84,10 +91,12 @@ class Connection(carrot_connection.BrokerConnection): class Consumer(messaging.Consumer): - """Consumer base class + """Consumer base class. + + Contains methods for connecting the fetch method to async loops. - Contains methods for connecting the fetch method to async loops """ + def __init__(self, *args, **kwargs): for i in xrange(FLAGS.rabbit_max_retries): if i > 0: @@ -100,19 +109,18 @@ class Consumer(messaging.Consumer): fl_host = FLAGS.rabbit_host fl_port = FLAGS.rabbit_port fl_intv = FLAGS.rabbit_retry_interval - LOG.error(_("AMQP server on %(fl_host)s:%(fl_port)d is" - " unreachable: %(e)s. Trying again in %(fl_intv)d" - " seconds.") - % locals()) + LOG.error(_('AMQP server on %(fl_host)s:%(fl_port)d is' + ' unreachable: %(e)s. Trying again in %(fl_intv)d' + ' seconds.') % locals()) self.failed_connection = True if self.failed_connection: - LOG.error(_("Unable to connect to AMQP server " - "after %d tries. Shutting down."), + LOG.error(_('Unable to connect to AMQP server ' + 'after %d tries. Shutting down.'), FLAGS.rabbit_max_retries) sys.exit(1) def fetch(self, no_ack=None, auto_ack=None, enable_callbacks=False): - """Wraps the parent fetch with some logic for failed connections""" + """Wraps the parent fetch with some logic for failed connection.""" # TODO(vish): the logic for failed connections and logging should be # refactored into some sort of connection manager object try: @@ -125,14 +133,14 @@ class Consumer(messaging.Consumer): self.declare() super(Consumer, self).fetch(no_ack, auto_ack, enable_callbacks) if self.failed_connection: - LOG.error(_("Reconnected to queue")) + LOG.error(_('Reconnected to queue')) self.failed_connection = False # NOTE(vish): This is catching all errors because we really don't # want exceptions to be logged 10 times a second if some # persistent failure occurs. except Exception, e: # pylint: disable=W0703 if not self.failed_connection: - LOG.exception(_("Failed to fetch message from queue: %s" % e)) + LOG.exception(_('Failed to fetch message from queue: %s' % e)) self.failed_connection = True def attach_to_eventlet(self): @@ -143,8 +151,9 @@ class Consumer(messaging.Consumer): class AdapterConsumer(Consumer): - """Calls methods on a proxy object based on method and args""" - def __init__(self, connection=None, topic="broadcast", proxy=None): + """Calls methods on a proxy object based on method and args.""" + + def __init__(self, connection=None, topic='broadcast', proxy=None): LOG.debug(_('Initing the Adapter Consumer for %s') % topic) self.proxy = proxy self.pool = greenpool.GreenPool(FLAGS.rpc_thread_pool_size) @@ -156,13 +165,14 @@ class AdapterConsumer(Consumer): @exception.wrap_exception def _receive(self, message_data, message): - """Magically looks for a method on the proxy object and calls it + """Magically looks for a method on the proxy object and calls it. Message data should be a dictionary with two keys: method: string representing the method to call args: dictionary of arg: value Example: {'method': 'echo', 'args': {'value': 42}} + """ LOG.debug(_('received %s') % message_data) msg_id = message_data.pop('_msg_id', None) @@ -189,22 +199,23 @@ class AdapterConsumer(Consumer): if msg_id: msg_reply(msg_id, rval, None) except Exception as e: - logging.exception("Exception during message handling") + logging.exception('Exception during message handling') if msg_id: msg_reply(msg_id, None, sys.exc_info()) return class Publisher(messaging.Publisher): - """Publisher base class""" + """Publisher base class.""" pass class TopicAdapterConsumer(AdapterConsumer): - """Consumes messages on a specific topic""" - exchange_type = "topic" + """Consumes messages on a specific topic.""" + + exchange_type = 'topic' - def __init__(self, connection=None, topic="broadcast", proxy=None): + def __init__(self, connection=None, topic='broadcast', proxy=None): self.queue = topic self.routing_key = topic self.exchange = FLAGS.control_exchange @@ -214,27 +225,29 @@ class TopicAdapterConsumer(AdapterConsumer): class FanoutAdapterConsumer(AdapterConsumer): - """Consumes messages from a fanout exchange""" - exchange_type = "fanout" + """Consumes messages from a fanout exchange.""" - def __init__(self, connection=None, topic="broadcast", proxy=None): - self.exchange = "%s_fanout" % topic + exchange_type = 'fanout' + + def __init__(self, connection=None, topic='broadcast', proxy=None): + self.exchange = '%s_fanout' % topic self.routing_key = topic unique = uuid.uuid4().hex - self.queue = "%s_fanout_%s" % (topic, unique) + self.queue = '%s_fanout_%s' % (topic, unique) self.durable = False - LOG.info(_("Created '%(exchange)s' fanout exchange " - "with '%(key)s' routing key"), - dict(exchange=self.exchange, key=self.routing_key)) + LOG.info(_('Created "%(exchange)s" fanout exchange ' + 'with "%(key)s" routing key'), + dict(exchange=self.exchange, key=self.routing_key)) super(FanoutAdapterConsumer, self).__init__(connection=connection, topic=topic, proxy=proxy) class TopicPublisher(Publisher): - """Publishes messages on a specific topic""" - exchange_type = "topic" + """Publishes messages on a specific topic.""" + + exchange_type = 'topic' - def __init__(self, connection=None, topic="broadcast"): + def __init__(self, connection=None, topic='broadcast'): self.routing_key = topic self.exchange = FLAGS.control_exchange self.durable = False @@ -243,20 +256,22 @@ class TopicPublisher(Publisher): class FanoutPublisher(Publisher): """Publishes messages to a fanout exchange.""" - exchange_type = "fanout" + + exchange_type = 'fanout' def __init__(self, topic, connection=None): - self.exchange = "%s_fanout" % topic - self.queue = "%s_fanout" % topic + self.exchange = '%s_fanout' % topic + self.queue = '%s_fanout' % topic self.durable = False - LOG.info(_("Creating '%(exchange)s' fanout exchange"), - dict(exchange=self.exchange)) + LOG.info(_('Creating "%(exchange)s" fanout exchange'), + dict(exchange=self.exchange)) super(FanoutPublisher, self).__init__(connection=connection) class DirectConsumer(Consumer): - """Consumes messages directly on a channel specified by msg_id""" - exchange_type = "direct" + """Consumes messages directly on a channel specified by msg_id.""" + + exchange_type = 'direct' def __init__(self, connection=None, msg_id=None): self.queue = msg_id @@ -268,8 +283,9 @@ class DirectConsumer(Consumer): class DirectPublisher(Publisher): - """Publishes messages directly on a channel specified by msg_id""" - exchange_type = "direct" + """Publishes messages directly on a channel specified by msg_id.""" + + exchange_type = 'direct' def __init__(self, connection=None, msg_id=None): self.routing_key = msg_id @@ -279,9 +295,9 @@ class DirectPublisher(Publisher): def msg_reply(msg_id, reply=None, failure=None): - """Sends a reply or an error on the channel signified by msg_id + """Sends a reply or an error on the channel signified by msg_id. - failure should be a sys.exc_info() tuple. + Failure should be a sys.exc_info() tuple. """ if failure: @@ -303,17 +319,20 @@ def msg_reply(msg_id, reply=None, failure=None): class RemoteError(exception.Error): - """Signifies that a remote class has raised an exception + """Signifies that a remote class has raised an exception. Containes a string representation of the type of the original exception, the value of the original exception, and the traceback. These are sent to the parent as a joined string so printing the exception - contains all of the relevent info.""" + contains all of the relevent info. + + """ + def __init__(self, exc_type, value, traceback): self.exc_type = exc_type self.value = value self.traceback = traceback - super(RemoteError, self).__init__("%s %s\n%s" % (exc_type, + super(RemoteError, self).__init__('%s %s\n%s' % (exc_type, value, traceback)) @@ -339,6 +358,7 @@ def _pack_context(msg, context): context out into a bunch of separate keys. If we want to support more arguments in rabbit messages, we may want to do the same for args at some point. + """ context = dict([('_context_%s' % key, value) for (key, value) in context.to_dict().iteritems()]) @@ -346,11 +366,11 @@ def _pack_context(msg, context): def call(context, topic, msg): - """Sends a message on a topic and wait for a response""" - LOG.debug(_("Making asynchronous call on %s ..."), topic) + """Sends a message on a topic and wait for a response.""" + LOG.debug(_('Making asynchronous call on %s ...'), topic) msg_id = uuid.uuid4().hex msg.update({'_msg_id': msg_id}) - LOG.debug(_("MSG_ID is %s") % (msg_id)) + LOG.debug(_('MSG_ID is %s') % (msg_id)) _pack_context(msg, context) class WaitMessage(object): @@ -387,8 +407,8 @@ def call(context, topic, msg): def cast(context, topic, msg): - """Sends a message on a topic without waiting for a response""" - LOG.debug(_("Making asynchronous cast on %s..."), topic) + """Sends a message on a topic without waiting for a response.""" + LOG.debug(_('Making asynchronous cast on %s...'), topic) _pack_context(msg, context) conn = Connection.instance() publisher = TopicPublisher(connection=conn, topic=topic) @@ -397,8 +417,8 @@ def cast(context, topic, msg): def fanout_cast(context, topic, msg): - """Sends a message on a fanout exchange without waiting for a response""" - LOG.debug(_("Making asynchronous fanout cast...")) + """Sends a message on a fanout exchange without waiting for a response.""" + LOG.debug(_('Making asynchronous fanout cast...')) _pack_context(msg, context) conn = Connection.instance() publisher = FanoutPublisher(topic, connection=conn) @@ -407,14 +427,14 @@ def fanout_cast(context, topic, msg): def generic_response(message_data, message): - """Logs a result and exits""" + """Logs a result and exits.""" LOG.debug(_('response %s'), message_data) message.ack() sys.exit(0) def send_message(topic, message, wait=True): - """Sends a message for testing""" + """Sends a message for testing.""" msg_id = uuid.uuid4().hex message.update({'_msg_id': msg_id}) LOG.debug(_('topic is %s'), topic) @@ -425,14 +445,14 @@ def send_message(topic, message, wait=True): queue=msg_id, exchange=msg_id, auto_delete=True, - exchange_type="direct", + exchange_type='direct', routing_key=msg_id) consumer.register_callback(generic_response) publisher = messaging.Publisher(connection=Connection.instance(), exchange=FLAGS.control_exchange, durable=False, - exchange_type="topic", + exchange_type='topic', routing_key=topic) publisher.send(message) publisher.close() @@ -441,8 +461,8 @@ def send_message(topic, message, wait=True): consumer.wait() -if __name__ == "__main__": - # NOTE(vish): you can send messages from the command line using - # topic and a json sting representing a dictionary - # for the method +if __name__ == '__main__': + # You can send messages from the command line using + # topic and a json string representing a dictionary + # for the method send_message(sys.argv[1], json.loads(sys.argv[2])) diff --git a/nova/scheduler/driver.py b/nova/scheduler/driver.py index ce05d9f6a..2094e3565 100644 --- a/nova/scheduler/driver.py +++ b/nova/scheduler/driver.py @@ -129,15 +129,14 @@ class Scheduler(object): if (power_state.RUNNING != instance_ref['state'] or \ 'running' != instance_ref['state_description']): ec2_id = instance_ref['hostname'] - raise exception.Invalid(_('Instance(%s) is not running') % ec2_id) + raise exception.InstanceNotRunning(instance_id=ec2_id) # Checing volume node is running when any volumes are mounted # to the instance. if len(instance_ref['volumes']) != 0: services = db.service_get_all_by_topic(context, 'volume') if len(services) < 1 or not self.service_is_up(services[0]): - raise exception.Invalid(_("volume node is not alive" - "(time synchronize problem?)")) + raise exception.VolumeServiceUnavailable() # Checking src host exists and compute node src = instance_ref['host'] @@ -145,8 +144,7 @@ class Scheduler(object): # Checking src host is alive. if not self.service_is_up(services[0]): - raise exception.Invalid(_("%s is not alive(time " - "synchronize problem?)") % src) + raise exception.ComputeServiceUnavailable(host=src) def _live_migration_dest_check(self, context, instance_ref, dest): """Live migration check routine (for destination host). @@ -163,17 +161,15 @@ class Scheduler(object): # Checking dest host is alive. if not self.service_is_up(dservice_ref): - raise exception.Invalid(_("%s is not alive(time " - "synchronize problem?)") % dest) + raise exception.ComputeServiceUnavailable(host=dest) # Checking whether The host where instance is running # and dest is not same. src = instance_ref['host'] if dest == src: ec2_id = instance_ref['hostname'] - raise exception.Invalid(_("%(dest)s is where %(ec2_id)s is " - "running now. choose other host.") - % locals()) + raise exception.UnableToMigrateToSelf(instance_id=ec2_id, + host=dest) # Checking dst host still has enough capacities. self.assert_compute_node_has_enough_resources(context, @@ -204,26 +200,20 @@ class Scheduler(object): oservice_refs = db.service_get_all_compute_by_host(context, instance_ref['launched_on']) except exception.NotFound: - raise exception.Invalid(_("host %s where instance was launched " - "does not exist.") - % instance_ref['launched_on']) + raise exception.SourceHostUnavailable() oservice_ref = oservice_refs[0]['compute_node'][0] # Checking hypervisor is same. orig_hypervisor = oservice_ref['hypervisor_type'] dest_hypervisor = dservice_ref['hypervisor_type'] if orig_hypervisor != dest_hypervisor: - raise exception.Invalid(_("Different hypervisor type" - "(%(orig_hypervisor)s->" - "%(dest_hypervisor)s)')" % locals())) + raise exception.InvalidHypervisorType() # Checkng hypervisor version. orig_hypervisor = oservice_ref['hypervisor_version'] dest_hypervisor = dservice_ref['hypervisor_version'] if orig_hypervisor > dest_hypervisor: - raise exception.Invalid(_("Older hypervisor version" - "(%(orig_hypervisor)s->" - "%(dest_hypervisor)s)") % locals()) + raise exception.DestinationHypervisorTooOld() # Checking cpuinfo. try: @@ -265,11 +255,9 @@ class Scheduler(object): mem_avail = mem_total - mem_used mem_inst = instance_ref['memory_mb'] if mem_avail <= mem_inst: - raise exception.NotEmpty(_("Unable to migrate %(ec2_id)s " - "to destination: %(dest)s " - "(host:%(mem_avail)s " - "<= instance:%(mem_inst)s)") - % locals()) + reason = _("Unable to migrate %(ec2_id)s to destination: %(dest)s " + "(host:%(mem_avail)s <= instance:%(mem_inst)s)") + raise exception.MigrationError(reason=reason % locals()) def mounted_on_same_shared_storage(self, context, instance_ref, dest): """Check if the src and dest host mount same shared storage. diff --git a/nova/service.py b/nova/service.py index 47c0b96c0..2532b9df2 100644 --- a/nova/service.py +++ b/nova/service.py @@ -17,9 +17,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Generic Node baseclass for all workers that run on hosts -""" +"""Generic Node baseclass for all workers that run on hosts.""" import inspect import os @@ -30,13 +28,11 @@ from eventlet import event from eventlet import greenthread from eventlet import greenpool -from sqlalchemy.exc import OperationalError - from nova import context from nova import db from nova import exception -from nova import log as logging from nova import flags +from nova import log as logging from nova import rpc from nova import utils from nova import version @@ -79,7 +75,7 @@ class Service(object): def start(self): vcs_string = version.version_string_with_vcs() - logging.audit(_("Starting %(topic)s node (version %(vcs_string)s)"), + logging.audit(_('Starting %(topic)s node (version %(vcs_string)s)'), {'topic': self.topic, 'vcs_string': vcs_string}) self.manager.init_host() self.model_disconnected = False @@ -140,29 +136,24 @@ class Service(object): return getattr(manager, key) @classmethod - def create(cls, - host=None, - binary=None, - topic=None, - manager=None, - report_interval=None, - periodic_interval=None): + def create(cls, host=None, binary=None, topic=None, manager=None, + report_interval=None, periodic_interval=None): """Instantiates class and passes back application object. - Args: - host, defaults to FLAGS.host - binary, defaults to basename of executable - topic, defaults to bin_name - "nova-" part - manager, defaults to FLAGS.<topic>_manager - report_interval, defaults to FLAGS.report_interval - periodic_interval, defaults to FLAGS.periodic_interval + :param host: defaults to FLAGS.host + :param binary: defaults to basename of executable + :param topic: defaults to bin_name - 'nova-' part + :param manager: defaults to FLAGS.<topic>_manager + :param report_interval: defaults to FLAGS.report_interval + :param periodic_interval: defaults to FLAGS.periodic_interval + """ if not host: host = FLAGS.host if not binary: binary = os.path.basename(inspect.stack()[-1][1]) if not topic: - topic = binary.rpartition("nova-")[2] + topic = binary.rpartition('nova-')[2] if not manager: manager = FLAGS.get('%s_manager' % topic, None) if not report_interval: @@ -175,12 +166,12 @@ class Service(object): return service_obj def kill(self): - """Destroy the service object in the datastore""" + """Destroy the service object in the datastore.""" self.stop() try: db.service_destroy(context.get_admin_context(), self.service_id) except exception.NotFound: - logging.warn(_("Service killed that has no database entry")) + logging.warn(_('Service killed that has no database entry')) def stop(self): for x in self.timers: @@ -198,7 +189,7 @@ class Service(object): pass def periodic_tasks(self): - """Tasks to be run at a periodic interval""" + """Tasks to be run at a periodic interval.""" self.manager.periodic_tasks(context.get_admin_context()) def report_state(self): @@ -208,8 +199,8 @@ class Service(object): try: service_ref = db.service_get(ctxt, self.service_id) except exception.NotFound: - logging.debug(_("The service database object disappeared, " - "Recreating it.")) + logging.debug(_('The service database object disappeared, ' + 'Recreating it.')) self._create_service_ref(ctxt) service_ref = db.service_get(ctxt, self.service_id) @@ -218,23 +209,24 @@ class Service(object): {'report_count': service_ref['report_count'] + 1}) # TODO(termie): make this pattern be more elegant. - if getattr(self, "model_disconnected", False): + if getattr(self, 'model_disconnected', False): self.model_disconnected = False - logging.error(_("Recovered model server connection!")) + logging.error(_('Recovered model server connection!')) # TODO(vish): this should probably only catch connection errors except Exception: # pylint: disable=W0702 - if not getattr(self, "model_disconnected", False): + if not getattr(self, 'model_disconnected', False): self.model_disconnected = True - logging.exception(_("model server went away")) + logging.exception(_('model server went away')) class WsgiService(object): """Base class for WSGI based services. For each api you define, you must also define these flags: - :<api>_listen: The address on which to listen - :<api>_listen_port: The port on which to listen + :<api>_listen: The address on which to listen + :<api>_listen_port: The port on which to listen + """ def __init__(self, conf, apis): @@ -250,13 +242,14 @@ class WsgiService(object): class ApiService(WsgiService): - """Class for our nova-api service""" + """Class for our nova-api service.""" + @classmethod def create(cls, conf=None): if not conf: conf = wsgi.paste_config_file(FLAGS.api_paste_config) if not conf: - message = (_("No paste configuration found for: %s"), + message = (_('No paste configuration found for: %s'), FLAGS.api_paste_config) raise exception.Error(message) api_endpoints = ['ec2', 'osapi'] @@ -280,11 +273,11 @@ def serve(*services): FLAGS.ParseNewFlags() name = '_'.join(x.binary for x in services) - logging.debug(_("Serving %s"), name) - logging.debug(_("Full set of FLAGS:")) + logging.debug(_('Serving %s'), name) + logging.debug(_('Full set of FLAGS:')) for flag in FLAGS: flag_get = FLAGS.get(flag, None) - logging.debug("%(flag)s : %(flag_get)s" % locals()) + logging.debug('%(flag)s : %(flag_get)s' % locals()) for x in services: x.start() @@ -315,20 +308,20 @@ def serve_wsgi(cls, conf=None): def _run_wsgi(paste_config_file, apis): - logging.debug(_("Using paste.deploy config at: %s"), paste_config_file) + logging.debug(_('Using paste.deploy config at: %s'), paste_config_file) apps = [] for api in apis: config = wsgi.load_paste_configuration(paste_config_file, api) if config is None: - logging.debug(_("No paste configuration for app: %s"), api) + logging.debug(_('No paste configuration for app: %s'), api) continue - logging.debug(_("App Config: %(api)s\n%(config)r") % locals()) - logging.info(_("Running %s API"), api) + logging.debug(_('App Config: %(api)s\n%(config)r') % locals()) + logging.info(_('Running %s API'), api) app = wsgi.load_paste_app(paste_config_file, api) - apps.append((app, getattr(FLAGS, "%s_listen_port" % api), - getattr(FLAGS, "%s_listen" % api))) + apps.append((app, getattr(FLAGS, '%s_listen_port' % api), + getattr(FLAGS, '%s_listen' % api))) if len(apps) == 0: - logging.error(_("No known API applications configured in %s."), + logging.error(_('No known API applications configured in %s.'), paste_config_file) return diff --git a/nova/test.py b/nova/test.py index 3b608520a..4deb2a175 100644 --- a/nova/test.py +++ b/nova/test.py @@ -16,12 +16,12 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Base classes for our unit tests. -Allows overriding of flags for use of fakes, -and some black magic for inline callbacks. -""" +"""Base classes for our unit tests. +Allows overriding of flags for use of fakes, and some black magic for +inline callbacks. + +""" import datetime import functools @@ -52,9 +52,9 @@ flags.DEFINE_bool('fake_tests', True, def skip_if_fake(func): - """Decorator that skips a test if running in fake mode""" + """Decorator that skips a test if running in fake mode.""" def _skipper(*args, **kw): - """Wrapped skipper function""" + """Wrapped skipper function.""" if FLAGS.fake_tests: raise unittest.SkipTest('Test cannot be run in fake mode') else: @@ -63,9 +63,10 @@ def skip_if_fake(func): class TestCase(unittest.TestCase): - """Test case base class for all unit tests""" + """Test case base class for all unit tests.""" + def setUp(self): - """Run before each test method to initialize test environment""" + """Run before each test method to initialize test environment.""" super(TestCase, self).setUp() # NOTE(vish): We need a better method for creating fixtures for tests # now that we have some required db setup for the system @@ -86,8 +87,7 @@ class TestCase(unittest.TestCase): self._original_flags = FLAGS.FlagValuesDict() def tearDown(self): - """Runs after each test method to finalize/tear down test - environment.""" + """Runs after each test method to tear down test environment.""" try: self.mox.UnsetStubs() self.stubs.UnsetAll() @@ -121,7 +121,7 @@ class TestCase(unittest.TestCase): pass def flags(self, **kw): - """Override flag variables for a test""" + """Override flag variables for a test.""" for k, v in kw.iteritems(): if k in self.flag_overrides: self.reset_flags() @@ -131,7 +131,11 @@ class TestCase(unittest.TestCase): setattr(FLAGS, k, v) def reset_flags(self): - """Resets all flag variables for the test. Runs after each test""" + """Resets all flag variables for the test. + + Runs after each test. + + """ FLAGS.Reset() for k, v in self._original_flags.iteritems(): setattr(FLAGS, k, v) @@ -158,7 +162,6 @@ class TestCase(unittest.TestCase): def _monkey_patch_wsgi(self): """Allow us to kill servers spawned by wsgi.Server.""" - # TODO(termie): change these patterns to use functools self.original_start = wsgi.Server.start @functools.wraps(self.original_start) @@ -189,12 +192,13 @@ class TestCase(unittest.TestCase): If you don't care (or don't know) a given value, you can specify the string DONTCARE as the value. This will cause that dict-item to be skipped. + """ def raise_assertion(msg): d1str = str(d1) d2str = str(d2) - base_msg = ("Dictionaries do not match. %(msg)s d1: %(d1str)s " - "d2: %(d2str)s" % locals()) + base_msg = ('Dictionaries do not match. %(msg)s d1: %(d1str)s ' + 'd2: %(d2str)s' % locals()) raise AssertionError(base_msg) d1keys = set(d1.keys()) @@ -202,8 +206,8 @@ class TestCase(unittest.TestCase): if d1keys != d2keys: d1only = d1keys - d2keys d2only = d2keys - d1keys - raise_assertion("Keys in d1 and not d2: %(d1only)s. " - "Keys in d2 and not d1: %(d2only)s" % locals()) + raise_assertion('Keys in d1 and not d2: %(d1only)s. ' + 'Keys in d2 and not d1: %(d2only)s' % locals()) for key in d1keys: d1value = d1[key] @@ -217,19 +221,19 @@ class TestCase(unittest.TestCase): "d2['%(key)s']=%(d2value)s" % locals()) def assertDictListMatch(self, L1, L2): - """Assert a list of dicts are equivalent""" + """Assert a list of dicts are equivalent.""" def raise_assertion(msg): L1str = str(L1) L2str = str(L2) - base_msg = ("List of dictionaries do not match: %(msg)s " - "L1: %(L1str)s L2: %(L2str)s" % locals()) + base_msg = ('List of dictionaries do not match: %(msg)s ' + 'L1: %(L1str)s L2: %(L2str)s' % locals()) raise AssertionError(base_msg) L1count = len(L1) L2count = len(L2) if L1count != L2count: - raise_assertion("Length mismatch: len(L1)=%(L1count)d != " - "len(L2)=%(L2count)d" % locals()) + raise_assertion('Length mismatch: len(L1)=%(L1count)d != ' + 'len(L2)=%(L2count)d' % locals()) for d1, d2 in zip(L1, L2): self.assertDictMatch(d1, d2) diff --git a/nova/tests/api/openstack/test_flavors.py b/nova/tests/api/openstack/test_flavors.py index 954d72adf..d1c62e454 100644 --- a/nova/tests/api/openstack/test_flavors.py +++ b/nova/tests/api/openstack/test_flavors.py @@ -47,8 +47,8 @@ def return_instance_types(context, num=2): return instance_types -def return_instance_type_not_found(context, flavorid): - raise exception.NotFound() +def return_instance_type_not_found(context, flavor_id): + raise exception.InstanceTypeNotFound(flavor_id=flavor_id) class FlavorsTest(test.TestCase): diff --git a/nova/tests/api/openstack/test_image_metadata.py b/nova/tests/api/openstack/test_image_metadata.py index 543c59629..56be0f1cc 100644 --- a/nova/tests/api/openstack/test_image_metadata.py +++ b/nova/tests/api/openstack/test_image_metadata.py @@ -46,8 +46,7 @@ class ImageMetaDataTest(unittest.TestCase): 'deleted_at': None, 'properties': { 'key1': 'value1', - 'key2': 'value2' - }, + 'key2': 'value2'}, 'size': 5882349}, {'status': 'active', 'name': 'image2', @@ -62,8 +61,7 @@ class ImageMetaDataTest(unittest.TestCase): 'deleted_at': None, 'properties': { 'key1': 'value1', - 'key2': 'value2' - }, + 'key2': 'value2'}, 'size': 5882349}, {'status': 'active', 'name': 'image3', diff --git a/nova/tests/api/openstack/test_server_metadata.py b/nova/tests/api/openstack/test_server_metadata.py index c8d456472..c4d1d4fd8 100644 --- a/nova/tests/api/openstack/test_server_metadata.py +++ b/nova/tests/api/openstack/test_server_metadata.py @@ -21,11 +21,19 @@ import unittest import webob +from nova import flags from nova.api import openstack from nova.tests.api.openstack import fakes import nova.wsgi +FLAGS = flags.FLAGS + + +def return_create_instance_metadata_max(context, server_id, metadata): + return stub_max_server_metadata() + + def return_create_instance_metadata(context, server_id, metadata): return stub_server_metadata() @@ -48,8 +56,14 @@ def stub_server_metadata(): "key2": "value2", "key3": "value3", "key4": "value4", - "key5": "value5" - } + "key5": "value5"} + return metadata + + +def stub_max_server_metadata(): + metadata = {"metadata": {}} + for num in range(FLAGS.quota_metadata_items): + metadata['metadata']['key%i' % num] = "blah" return metadata @@ -69,7 +83,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_index(self): self.stubs.Set(nova.db.api, 'instance_metadata_get', - return_server_metadata) + return_server_metadata) req = webob.Request.blank('/v1.1/servers/1/meta') req.environ['api.version'] = '1.1' res = req.get_response(fakes.wsgi_app()) @@ -79,7 +93,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_index_no_data(self): self.stubs.Set(nova.db.api, 'instance_metadata_get', - return_empty_server_metadata) + return_empty_server_metadata) req = webob.Request.blank('/v1.1/servers/1/meta') req.environ['api.version'] = '1.1' res = req.get_response(fakes.wsgi_app()) @@ -89,7 +103,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_show(self): self.stubs.Set(nova.db.api, 'instance_metadata_get', - return_server_metadata) + return_server_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/key5') req.environ['api.version'] = '1.1' res = req.get_response(fakes.wsgi_app()) @@ -99,7 +113,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_show_meta_not_found(self): self.stubs.Set(nova.db.api, 'instance_metadata_get', - return_empty_server_metadata) + return_empty_server_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/key6') req.environ['api.version'] = '1.1' res = req.get_response(fakes.wsgi_app()) @@ -108,7 +122,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_delete(self): self.stubs.Set(nova.db.api, 'instance_metadata_delete', - delete_server_metadata) + delete_server_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/key5') req.environ['api.version'] = '1.1' req.method = 'DELETE' @@ -117,7 +131,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_create(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', - return_create_instance_metadata) + return_create_instance_metadata) req = webob.Request.blank('/v1.1/servers/1/meta') req.environ['api.version'] = '1.1' req.method = 'POST' @@ -130,7 +144,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_update_item(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', - return_create_instance_metadata) + return_create_instance_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/key1') req.environ['api.version'] = '1.1' req.method = 'PUT' @@ -143,7 +157,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_update_item_too_many_keys(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', - return_create_instance_metadata) + return_create_instance_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/key1') req.environ['api.version'] = '1.1' req.method = 'PUT' @@ -154,7 +168,7 @@ class ServerMetaDataTest(unittest.TestCase): def test_update_item_body_uri_mismatch(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', - return_create_instance_metadata) + return_create_instance_metadata) req = webob.Request.blank('/v1.1/servers/1/meta/bad') req.environ['api.version'] = '1.1' req.method = 'PUT' @@ -162,3 +176,29 @@ class ServerMetaDataTest(unittest.TestCase): req.headers["content-type"] = "application/json" res = req.get_response(fakes.wsgi_app()) self.assertEqual(400, res.status_int) + + def test_too_many_metadata_items_on_create(self): + self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', + return_create_instance_metadata) + data = {"metadata": {}} + for num in range(FLAGS.quota_metadata_items + 1): + data['metadata']['key%i' % num] = "blah" + json_string = str(data).replace("\'", "\"") + req = webob.Request.blank('/v1.1/servers/1/meta') + req.environ['api.version'] = '1.1' + req.method = 'POST' + req.body = json_string + req.headers["content-type"] = "application/json" + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(400, res.status_int) + + def test_to_many_metadata_items_on_update_item(self): + self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', + return_create_instance_metadata_max) + req = webob.Request.blank('/v1.1/servers/1/meta/key1') + req.environ['api.version'] = '1.1' + req.method = 'PUT' + req.body = '{"a new key": "a new value"}' + req.headers["content-type"] = "application/json" + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(400, res.status_int) diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index 34513734b..556046e9d 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -79,10 +79,10 @@ def stub_instance(id, user_id=1, private_address=None, public_addresses=None, inst_type = instance_types.get_instance_type_by_flavor_id(1) - if public_addresses == None: + if public_addresses is None: public_addresses = list() - if host != None: + if host is not None: host = str(host) instance = { @@ -613,6 +613,70 @@ class ServersTest(test.TestCase): res = req.get_response(fakes.wsgi_app()) self.assertEqual(res.status_int, 400) + def test_create_instance_with_admin_pass_v10(self): + self._setup_for_create_instance() + + body = { + 'server': { + 'name': 'test-server-create', + 'imageId': 3, + 'flavorId': 1, + 'adminPass': 'testpass', + }, + } + + req = webob.Request.blank('/v1.0/servers') + req.method = 'POST' + req.body = json.dumps(body) + req.headers['content-type'] = "application/json" + res = req.get_response(fakes.wsgi_app()) + res = json.loads(res.body) + self.assertNotEqual(res['server']['adminPass'], + body['server']['adminPass']) + + def test_create_instance_with_admin_pass_v11(self): + self._setup_for_create_instance() + + imageRef = 'http://localhost/v1.1/images/2' + flavorRef = 'http://localhost/v1.1/flavors/3' + body = { + 'server': { + 'name': 'server_test', + 'imageRef': imageRef, + 'flavorRef': flavorRef, + 'adminPass': 'testpass', + }, + } + + req = webob.Request.blank('/v1.1/servers') + req.method = 'POST' + req.body = json.dumps(body) + req.headers['content-type'] = "application/json" + res = req.get_response(fakes.wsgi_app()) + server = json.loads(res.body)['server'] + self.assertEqual(server['adminPass'], body['server']['adminPass']) + + def test_create_instance_with_empty_admin_pass_v11(self): + self._setup_for_create_instance() + + imageRef = 'http://localhost/v1.1/images/2' + flavorRef = 'http://localhost/v1.1/flavors/3' + body = { + 'server': { + 'name': 'server_test', + 'imageRef': imageRef, + 'flavorRef': flavorRef, + 'adminPass': '', + }, + } + + req = webob.Request.blank('/v1.1/servers') + req.method = 'POST' + req.body = json.dumps(body) + req.headers['content-type'] = "application/json" + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(res.status_int, 400) + def test_update_no_body(self): req = webob.Request.blank('/v1.0/servers/1') req.method = 'PUT' diff --git a/nova/tests/api/openstack/test_versions.py b/nova/tests/api/openstack/test_versions.py index 2640a4ddb..fd8d50904 100644 --- a/nova/tests/api/openstack/test_versions.py +++ b/nova/tests/api/openstack/test_versions.py @@ -47,8 +47,7 @@ class VersionsTest(test.TestCase): { "rel": "self", "href": "http://localhost/v1.1", - } - ], + }], }, { "id": "v1.0", @@ -57,8 +56,7 @@ class VersionsTest(test.TestCase): { "rel": "self", "href": "http://localhost/v1.0", - } - ], + }], }, ] self.assertEqual(versions, expected) diff --git a/nova/tests/api/test_wsgi.py b/nova/tests/api/test_wsgi.py index 1ecdd1cfb..5820ecdc2 100644 --- a/nova/tests/api/test_wsgi.py +++ b/nova/tests/api/test_wsgi.py @@ -136,6 +136,12 @@ class RequestTest(test.TestCase): request.body = "asdf<br />" self.assertRaises(webob.exc.HTTPBadRequest, request.get_content_type) + def test_request_content_type_with_charset(self): + request = wsgi.Request.blank('/tests/123') + request.headers["Content-Type"] = "application/json; charset=UTF-8" + result = request.get_content_type() + self.assertEqual(result, "application/json") + def test_content_type_from_accept_xml(self): request = wsgi.Request.blank('/tests/123') request.headers["Accept"] = "application/xml" diff --git a/nova/tests/integrated/test_servers.py b/nova/tests/integrated/test_servers.py index 749ea8955..e89d0100a 100644 --- a/nova/tests/integrated/test_servers.py +++ b/nova/tests/integrated/test_servers.py @@ -134,50 +134,50 @@ class ServersTest(integrated_helpers._IntegratedTestBase): # Should be gone self.assertFalse(found_server) -# TODO(justinsb): Enable this unit test when the metadata bug is fixed -# def test_create_server_with_metadata(self): -# """Creates a server with metadata""" -# -# # Build the server data gradually, checking errors along the way -# server = self._build_minimal_create_server_request() -# -# for metadata_count in range(30): -# metadata = {} -# for i in range(metadata_count): -# metadata['key_%s' % i] = 'value_%s' % i -# server['metadata'] = metadata -# -# post = {'server': server} -# created_server = self.api.post_server(post) -# LOG.debug("created_server: %s" % created_server) -# self.assertTrue(created_server['id']) -# created_server_id = created_server['id'] -# # Reenable when bug fixed -# # self.assertEqual(metadata, created_server.get('metadata')) -# -# # Check it's there -# found_server = self.api.get_server(created_server_id) -# self.assertEqual(created_server_id, found_server['id']) -# self.assertEqual(metadata, found_server.get('metadata')) -# -# # The server should also be in the all-servers details list -# servers = self.api.get_servers(detail=True) -# server_map = dict((server['id'], server) for server in servers) -# found_server = server_map.get(created_server_id) -# self.assertTrue(found_server) -# # Details do include metadata -# self.assertEqual(metadata, found_server.get('metadata')) -# -# # The server should also be in the all-servers summary list -# servers = self.api.get_servers(detail=False) -# server_map = dict((server['id'], server) for server in servers) -# found_server = server_map.get(created_server_id) -# self.assertTrue(found_server) -# # Summary should not include metadata -# self.assertFalse(found_server.get('metadata')) -# -# # Cleanup -# self._delete_server(created_server_id) + def test_create_server_with_metadata(self): + """Creates a server with metadata.""" + + # Build the server data gradually, checking errors along the way + server = self._build_minimal_create_server_request() + + metadata = {} + for i in range(30): + metadata['key_%s' % i] = 'value_%s' % i + + server['metadata'] = metadata + + post = {'server': server} + created_server = self.api.post_server(post) + LOG.debug("created_server: %s" % created_server) + self.assertTrue(created_server['id']) + created_server_id = created_server['id'] + + # Reenable when bug fixed + self.assertEqual(metadata, created_server.get('metadata')) + # Check it's there + + found_server = self.api.get_server(created_server_id) + self.assertEqual(created_server_id, found_server['id']) + self.assertEqual(metadata, found_server.get('metadata')) + + # The server should also be in the all-servers details list + servers = self.api.get_servers(detail=True) + server_map = dict((server['id'], server) for server in servers) + found_server = server_map.get(created_server_id) + self.assertTrue(found_server) + # Details do include metadata + self.assertEqual(metadata, found_server.get('metadata')) + + # The server should also be in the all-servers summary list + servers = self.api.get_servers(detail=False) + server_map = dict((server['id'], server) for server in servers) + found_server = server_map.get(created_server_id) + self.assertTrue(found_server) + # Summary should not include metadata + self.assertFalse(found_server.get('metadata')) + + # Cleanup + self._delete_server(created_server_id) if __name__ == "__main__": diff --git a/nova/tests/test_instance_types.py b/nova/tests/test_instance_types.py index 5d6d5e1f4..ef271518c 100644 --- a/nova/tests/test_instance_types.py +++ b/nova/tests/test_instance_types.py @@ -75,16 +75,25 @@ class InstanceTypeTestCase(test.TestCase): def test_invalid_create_args_should_fail(self): """Ensures that instance type creation fails with invalid args""" self.assertRaises( - exception.InvalidInputException, + exception.InvalidInput, instance_types.create, self.name, 0, 1, 120, self.flavorid) self.assertRaises( - exception.InvalidInputException, + exception.InvalidInput, instance_types.create, self.name, 256, -1, 120, self.flavorid) self.assertRaises( - exception.InvalidInputException, + exception.InvalidInput, instance_types.create, self.name, 256, 1, "aa", self.flavorid) def test_non_existant_inst_type_shouldnt_delete(self): """Ensures that instance type creation fails with invalid args""" self.assertRaises(exception.ApiError, instance_types.destroy, "sfsfsdfdfs") + + def test_repeated_inst_types_should_raise_api_error(self): + """Ensures that instance duplicates raises ApiError""" + new_name = self.name + "dup" + instance_types.create(new_name, 256, 1, 120, self.flavorid + 1) + instance_types.destroy(new_name) + self.assertRaises( + exception.ApiError, + instance_types.create, new_name, 256, 1, 120, self.flavorid) diff --git a/nova/tests/test_scheduler.py b/nova/tests/test_scheduler.py index ae56a1a16..968ef9d6c 100644 --- a/nova/tests/test_scheduler.py +++ b/nova/tests/test_scheduler.py @@ -120,12 +120,11 @@ class SchedulerTestCase(test.TestCase): dest = 'dummydest' ctxt = context.get_admin_context() - try: - scheduler.show_host_resources(ctxt, dest) - except exception.NotFound, e: - c1 = (e.message.find(_("does not exist or is not a " - "compute node.")) >= 0) - self.assertTrue(c1) + self.assertRaises(exception.NotFound, scheduler.show_host_resources, + ctxt, dest) + #TODO(bcwaldon): reimplement this functionality + #c1 = (e.message.find(_("does not exist or is not a " + # "compute node.")) >= 0) def _dic_is_equal(self, dic1, dic2, keys=None): """Compares 2 dictionary contents(Helper method)""" @@ -698,14 +697,10 @@ class SimpleDriverTestCase(test.TestCase): 'topic': 'volume', 'report_count': 0} s_ref = db.service_create(self.context, dic) - try: - self.scheduler.driver.schedule_live_migration(self.context, - instance_id, - i_ref['host']) - except exception.Invalid, e: - c = (e.message.find('volume node is not alive') >= 0) + self.assertRaises(exception.VolumeServiceUnavailable, + self.scheduler.driver.schedule_live_migration, + self.context, instance_id, i_ref['host']) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) db.volume_destroy(self.context, v_ref['id']) @@ -718,13 +713,10 @@ class SimpleDriverTestCase(test.TestCase): s_ref = self._create_compute_service(created_at=t, updated_at=t, host=i_ref['host']) - try: - self.scheduler.driver._live_migration_src_check(self.context, - i_ref) - except exception.Invalid, e: - c = (e.message.find('is not alive') >= 0) + self.assertRaises(exception.ComputeServiceUnavailable, + self.scheduler.driver._live_migration_src_check, + self.context, i_ref) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -737,7 +729,7 @@ class SimpleDriverTestCase(test.TestCase): ret = self.scheduler.driver._live_migration_src_check(self.context, i_ref) - self.assertTrue(ret == None) + self.assertTrue(ret is None) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -749,14 +741,10 @@ class SimpleDriverTestCase(test.TestCase): s_ref = self._create_compute_service(created_at=t, updated_at=t, host=i_ref['host']) - try: - self.scheduler.driver._live_migration_dest_check(self.context, - i_ref, - i_ref['host']) - except exception.Invalid, e: - c = (e.message.find('is not alive') >= 0) + self.assertRaises(exception.ComputeServiceUnavailable, + self.scheduler.driver._live_migration_dest_check, + self.context, i_ref, i_ref['host']) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -766,14 +754,10 @@ class SimpleDriverTestCase(test.TestCase): i_ref = db.instance_get(self.context, instance_id) s_ref = self._create_compute_service(host=i_ref['host']) - try: - self.scheduler.driver._live_migration_dest_check(self.context, - i_ref, - i_ref['host']) - except exception.Invalid, e: - c = (e.message.find('choose other host') >= 0) + self.assertRaises(exception.UnableToMigrateToSelf, + self.scheduler.driver._live_migration_dest_check, + self.context, i_ref, i_ref['host']) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -784,14 +768,10 @@ class SimpleDriverTestCase(test.TestCase): s_ref = self._create_compute_service(host='somewhere', memory_mb_used=12) - try: - self.scheduler.driver._live_migration_dest_check(self.context, - i_ref, - 'somewhere') - except exception.NotEmpty, e: - c = (e.message.find('Unable to migrate') >= 0) + self.assertRaises(exception.MigrationError, + self.scheduler.driver._live_migration_dest_check, + self.context, i_ref, 'somewhere') - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -805,7 +785,7 @@ class SimpleDriverTestCase(test.TestCase): ret = self.scheduler.driver._live_migration_dest_check(self.context, i_ref, 'somewhere') - self.assertTrue(ret == None) + self.assertTrue(ret is None) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -837,14 +817,10 @@ class SimpleDriverTestCase(test.TestCase): "args": {'filename': fpath}}) self.mox.ReplayAll() - try: - self.scheduler.driver._live_migration_common_check(self.context, - i_ref, - dest) - except exception.Invalid, e: - c = (e.message.find('does not exist') >= 0) + self.assertRaises(exception.SourceHostUnavailable, + self.scheduler.driver._live_migration_common_check, + self.context, i_ref, dest) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) @@ -865,14 +841,10 @@ class SimpleDriverTestCase(test.TestCase): driver.mounted_on_same_shared_storage(mox.IgnoreArg(), i_ref, dest) self.mox.ReplayAll() - try: - self.scheduler.driver._live_migration_common_check(self.context, - i_ref, - dest) - except exception.Invalid, e: - c = (e.message.find(_('Different hypervisor type')) >= 0) + self.assertRaises(exception.InvalidHypervisorType, + self.scheduler.driver._live_migration_common_check, + self.context, i_ref, dest) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) db.service_destroy(self.context, s_ref2['id']) @@ -895,14 +867,10 @@ class SimpleDriverTestCase(test.TestCase): driver.mounted_on_same_shared_storage(mox.IgnoreArg(), i_ref, dest) self.mox.ReplayAll() - try: - self.scheduler.driver._live_migration_common_check(self.context, - i_ref, - dest) - except exception.Invalid, e: - c = (e.message.find(_('Older hypervisor version')) >= 0) + self.assertRaises(exception.DestinationHypervisorTooOld, + self.scheduler.driver._live_migration_common_check, + self.context, i_ref, dest) - self.assertTrue(c) db.instance_destroy(self.context, instance_id) db.service_destroy(self.context, s_ref['id']) db.service_destroy(self.context, s_ref2['id']) @@ -968,7 +936,7 @@ class FakeRerouteCompute(api.reroute_compute): def go_boom(self, context, instance): - raise exception.InstanceNotFound("boom message", instance) + raise exception.InstanceNotFound(instance_id=instance) def found_instance(self, context, instance): @@ -1017,11 +985,8 @@ class ZoneRedirectTest(test.TestCase): def test_routing_flags(self): FLAGS.enable_zone_routing = False decorator = FakeRerouteCompute("foo") - try: - result = decorator(go_boom)(None, None, 1) - self.assertFail(_("Should have thrown exception.")) - except exception.InstanceNotFound, e: - self.assertEquals(e.message, 'boom message') + self.assertRaises(exception.InstanceNotFound, decorator(go_boom), + None, None, 1) def test_get_collection_context_and_id(self): decorator = api.reroute_compute("foo") diff --git a/nova/tests/test_virt.py b/nova/tests/test_virt.py index aeaea91c7..462cf5aa0 100644 --- a/nova/tests/test_virt.py +++ b/nova/tests/test_virt.py @@ -31,9 +31,7 @@ from nova import test from nova import utils from nova.api.ec2 import cloud from nova.auth import manager -from nova.compute import manager as compute_manager from nova.compute import power_state -from nova.db.sqlalchemy import models from nova.virt import libvirt_conn libvirt = None @@ -46,6 +44,22 @@ def _concurrency(wait, done, target): done.send() +def _create_network_info(count=1): + fake = 'fake' + fake_ip = '0.0.0.0/0' + fake_ip_2 = '0.0.0.1/0' + fake_ip_3 = '0.0.0.1/0' + network = {'gateway': fake, + 'gateway_v6': fake, + 'bridge': fake, + 'cidr': fake_ip, + 'cidr_v6': fake_ip} + mapping = {'mac': fake, + 'ips': [{'ip': fake_ip}, {'ip': fake_ip}], + 'ip6s': [{'ip': fake_ip}, {'ip': fake_ip_2}, {'ip': fake_ip_3}]} + return [(network, mapping) for x in xrange(0, count)] + + class CacheConcurrencyTestCase(test.TestCase): def setUp(self): super(CacheConcurrencyTestCase, self).setUp() @@ -194,6 +208,37 @@ class LibvirtConnTestCase(test.TestCase): return db.service_create(context.get_admin_context(), service_ref) + def test_preparing_xml_info(self): + conn = libvirt_conn.LibvirtConnection(True) + instance_ref = db.instance_create(self.context, self.test_instance) + + result = conn._prepare_xml_info(instance_ref, False) + self.assertFalse(result['nics']) + + result = conn._prepare_xml_info(instance_ref, False, + _create_network_info()) + self.assertTrue(len(result['nics']) == 1) + + result = conn._prepare_xml_info(instance_ref, False, + _create_network_info(2)) + self.assertTrue(len(result['nics']) == 2) + + def test_get_nic_for_xml_v4(self): + conn = libvirt_conn.LibvirtConnection(True) + network, mapping = _create_network_info()[0] + self.flags(use_ipv6=False) + params = conn._get_nic_for_xml(network, mapping)['extra_params'] + self.assertTrue(params.find('PROJNETV6') == -1) + self.assertTrue(params.find('PROJMASKV6') == -1) + + def test_get_nic_for_xml_v6(self): + conn = libvirt_conn.LibvirtConnection(True) + network, mapping = _create_network_info()[0] + self.flags(use_ipv6=True) + params = conn._get_nic_for_xml(network, mapping)['extra_params'] + self.assertTrue(params.find('PROJNETV6') > -1) + self.assertTrue(params.find('PROJMASKV6') > -1) + def test_xml_and_uri_no_ramdisk_no_kernel(self): instance_data = dict(self.test_instance) self._check_xml_and_uri(instance_data, @@ -229,6 +274,22 @@ class LibvirtConnTestCase(test.TestCase): instance_data = dict(self.test_instance) self._check_xml_and_container(instance_data) + def test_multi_nic(self): + instance_data = dict(self.test_instance) + network_info = _create_network_info(2) + conn = libvirt_conn.LibvirtConnection(True) + instance_ref = db.instance_create(self.context, instance_data) + xml = conn.to_xml(instance_ref, False, network_info) + tree = xml_to_tree(xml) + interfaces = tree.findall("./devices/interface") + self.assertEquals(len(interfaces), 2) + parameters = interfaces[0].findall('./filterref/parameter') + self.assertEquals(interfaces[0].get('type'), 'bridge') + self.assertEquals(parameters[0].get('name'), 'IP') + self.assertEquals(parameters[0].get('value'), '0.0.0.0/0') + self.assertEquals(parameters[1].get('name'), 'DHCPSERVER') + self.assertEquals(parameters[1].get('value'), 'fake') + def _check_xml_and_container(self, instance): user_context = context.RequestContext(project=self.project, user=self.user) @@ -327,19 +388,13 @@ class LibvirtConnTestCase(test.TestCase): check = (lambda t: t.find('./os/initrd'), None) check_list.append(check) + parameter = './devices/interface/filterref/parameter' common_checks = [ (lambda t: t.find('.').tag, 'domain'), - (lambda t: t.find( - './devices/interface/filterref/parameter').get('name'), 'IP'), - (lambda t: t.find( - './devices/interface/filterref/parameter').get( - 'value'), '10.11.12.13'), - (lambda t: t.findall( - './devices/interface/filterref/parameter')[1].get( - 'name'), 'DHCPSERVER'), - (lambda t: t.findall( - './devices/interface/filterref/parameter')[1].get( - 'value'), '10.0.0.1'), + (lambda t: t.find(parameter).get('name'), 'IP'), + (lambda t: t.find(parameter).get('value'), '10.11.12.13'), + (lambda t: t.findall(parameter)[1].get('name'), 'DHCPSERVER'), + (lambda t: t.findall(parameter)[1].get('value'), '10.0.0.1'), (lambda t: t.find('./devices/serial/source').get( 'path').split('/')[1], 'console.log'), (lambda t: t.find('./memory').text, '2097152')] @@ -451,7 +506,7 @@ class LibvirtConnTestCase(test.TestCase): self.mox.ReplayAll() conn = libvirt_conn.LibvirtConnection(False) - self.assertRaises(exception.Invalid, + self.assertRaises(exception.ComputeServiceUnavailable, conn.update_available_resource, self.context, 'dummy') @@ -549,6 +604,43 @@ class LibvirtConnTestCase(test.TestCase): db.volume_destroy(self.context, volume_ref['id']) db.instance_destroy(self.context, instance_ref['id']) + def test_spawn_with_network_info(self): + # Skip if non-libvirt environment + if not self.lazy_load_library_exists(): + return + + # Preparing mocks + def fake_none(self, instance): + return + + self.create_fake_libvirt_mock() + instance = db.instance_create(self.context, self.test_instance) + + # Start test + self.mox.ReplayAll() + conn = libvirt_conn.LibvirtConnection(False) + conn.firewall_driver.setattr('setup_basic_filtering', fake_none) + conn.firewall_driver.setattr('prepare_instance_filter', fake_none) + + network = db.project_get_network(context.get_admin_context(), + self.project.id) + ip_dict = {'ip': self.test_ip, + 'netmask': network['netmask'], + 'enabled': '1'} + mapping = {'label': network['label'], + 'gateway': network['gateway'], + 'mac': instance['mac_address'], + 'dns': [network['dns']], + 'ips': [ip_dict]} + network_info = [(network, mapping)] + + try: + conn.spawn(instance, network_info) + except Exception, e: + count = (0 <= e.message.find('Unexpected method call')) + + self.assertTrue(count) + def tearDown(self): self.manager.delete_project(self.project) self.manager.delete_user(self.user) @@ -614,11 +706,15 @@ class IptablesFirewallTestCase(test.TestCase): '# Completed on Tue Jan 18 23:47:56 2011', ] + def _create_instance_ref(self): + return db.instance_create(self.context, + {'user_id': 'fake', + 'project_id': 'fake', + 'mac_address': '56:12:12:12:12:12', + 'instance_type_id': 1}) + def test_static_filters(self): - instance_ref = db.instance_create(self.context, - {'user_id': 'fake', - 'project_id': 'fake', - 'mac_address': '56:12:12:12:12:12'}) + instance_ref = self._create_instance_ref() ip = '10.11.12.13' network_ref = db.project_get_network(self.context, @@ -729,6 +825,32 @@ class IptablesFirewallTestCase(test.TestCase): "TCP port 80/81 acceptance rule wasn't added") db.instance_destroy(admin_ctxt, instance_ref['id']) + def test_filters_for_instance(self): + network_info = _create_network_info() + rulesv4, rulesv6 = self.fw._filters_for_instance("fake", network_info) + self.assertEquals(len(rulesv4), 2) + self.assertEquals(len(rulesv6), 3) + + def multinic_iptables_test(self): + ipv4_rules_per_network = 2 + ipv6_rules_per_network = 3 + networks_count = 5 + instance_ref = self._create_instance_ref() + network_info = _create_network_info(networks_count) + ipv4_len = len(self.fw.iptables.ipv4['filter'].rules) + ipv6_len = len(self.fw.iptables.ipv6['filter'].rules) + inst_ipv4, inst_ipv6 = self.fw.instance_rules(instance_ref, + network_info) + self.fw.add_filters_for_instance(instance_ref, network_info) + ipv4 = self.fw.iptables.ipv4['filter'].rules + ipv6 = self.fw.iptables.ipv6['filter'].rules + ipv4_network_rules = len(ipv4) - len(inst_ipv4) - ipv4_len + ipv6_network_rules = len(ipv6) - len(inst_ipv6) - ipv6_len + self.assertEquals(ipv4_network_rules, + ipv4_rules_per_network * networks_count) + self.assertEquals(ipv6_network_rules, + ipv6_rules_per_network * networks_count) + class NWFilterTestCase(test.TestCase): def setUp(self): @@ -810,6 +932,28 @@ class NWFilterTestCase(test.TestCase): return db.security_group_get_by_name(self.context, 'fake', 'testgroup') + def _create_instance(self): + return db.instance_create(self.context, + {'user_id': 'fake', + 'project_id': 'fake', + 'mac_address': '00:A0:C9:14:C8:29', + 'instance_type_id': 1}) + + def _create_instance_type(self, params={}): + """Create a test instance""" + context = self.context.elevated() + inst = {} + inst['name'] = 'm1.small' + inst['memory_mb'] = '1024' + inst['vcpus'] = '1' + inst['local_gb'] = '20' + inst['flavorid'] = '1' + inst['swap'] = '2048' + inst['rxtx_quota'] = 100 + inst['rxtx_cap'] = 200 + inst.update(params) + return db.instance_type_create(context, inst)['id'] + def test_creates_base_rule_first(self): # These come pre-defined by libvirt self.defined_filters = ['no-mac-spoofing', @@ -838,24 +982,18 @@ class NWFilterTestCase(test.TestCase): self.fake_libvirt_connection.nwfilterDefineXML = _filterDefineXMLMock - instance_ref = db.instance_create(self.context, - {'user_id': 'fake', - 'project_id': 'fake', - 'mac_address': '00:A0:C9:14:C8:29'}) + instance_ref = self._create_instance() inst_id = instance_ref['id'] ip = '10.11.12.13' - network_ref = db.project_get_network(self.context, - 'fake') - - fixed_ip = {'address': ip, - 'network_id': network_ref['id']} + network_ref = db.project_get_network(self.context, 'fake') + fixed_ip = {'address': ip, 'network_id': network_ref['id']} admin_ctxt = context.get_admin_context() db.fixed_ip_create(admin_ctxt, fixed_ip) db.fixed_ip_update(admin_ctxt, ip, {'allocated': True, - 'instance_id': instance_ref['id']}) + 'instance_id': inst_id}) def _ensure_all_called(): instance_filter = 'nova-instance-%s-%s' % (instance_ref['name'], @@ -881,3 +1019,11 @@ class NWFilterTestCase(test.TestCase): _ensure_all_called() self.teardown_security_group() db.instance_destroy(admin_ctxt, instance_ref['id']) + + def test_create_network_filters(self): + instance_ref = self._create_instance() + network_info = _create_network_info(3) + result = self.fw._create_network_filters(instance_ref, + network_info, + "fake") + self.assertEquals(len(result), 3) diff --git a/nova/tests/test_volume.py b/nova/tests/test_volume.py index e9d8289aa..236d12434 100644 --- a/nova/tests/test_volume.py +++ b/nova/tests/test_volume.py @@ -142,7 +142,7 @@ class VolumeTestCase(test.TestCase): self.assertEqual(vol['status'], "available") self.volume.delete_volume(self.context, volume_id) - self.assertRaises(exception.Error, + self.assertRaises(exception.VolumeNotFound, db.volume_get, self.context, volume_id) diff --git a/nova/utils.py b/nova/utils.py index 3f6f9fc8a..bfcf79216 100644 --- a/nova/utils.py +++ b/nova/utils.py @@ -17,9 +17,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -System-level utilities and helper functions. -""" +"""Utilities and helper functions.""" import base64 import datetime @@ -43,9 +41,8 @@ from eventlet import event from eventlet import greenthread from eventlet import semaphore from eventlet.green import subprocess -None + from nova import exception -from nova.exception import ProcessExecutionError from nova import flags from nova import log as logging @@ -56,18 +53,18 @@ FLAGS = flags.FLAGS def import_class(import_str): - """Returns a class from a string including module and class""" + """Returns a class from a string including module and class.""" mod_str, _sep, class_str = import_str.rpartition('.') try: __import__(mod_str) return getattr(sys.modules[mod_str], class_str) except (ImportError, ValueError, AttributeError), exc: LOG.debug(_('Inner Exception: %s'), exc) - raise exception.NotFound(_('Class %s cannot be found') % class_str) + raise exception.ClassNotFound(class_name=class_str) def import_object(import_str): - """Returns an object including a module or module and class""" + """Returns an object including a module or module and class.""" try: __import__(import_str) return sys.modules[import_str] @@ -99,11 +96,12 @@ def vpn_ping(address, port, timeout=0.05, session_id=None): cli_id = 64 bit identifier ? = unknown, probably flags/padding bit 9 was 1 and the rest were 0 in testing + """ if session_id is None: session_id = random.randint(0, 0xffffffffffffffff) sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) - data = struct.pack("!BQxxxxxx", 0x38, session_id) + data = struct.pack('!BQxxxxxx', 0x38, session_id) sock.sendto(data, (address, port)) sock.settimeout(timeout) try: @@ -112,7 +110,7 @@ def vpn_ping(address, port, timeout=0.05, session_id=None): return False finally: sock.close() - fmt = "!BQxxxxxQxxxx" + fmt = '!BQxxxxxQxxxx' if len(received) != struct.calcsize(fmt): print struct.calcsize(fmt) return False @@ -122,15 +120,8 @@ def vpn_ping(address, port, timeout=0.05, session_id=None): def fetchfile(url, target): - LOG.debug(_("Fetching %s") % url) -# c = pycurl.Curl() -# fp = open(target, "wb") -# c.setopt(c.URL, url) -# c.setopt(c.WRITEDATA, fp) -# c.perform() -# c.close() -# fp.close() - execute("curl", "--fail", url, "-o", target) + LOG.debug(_('Fetching %s') % url) + execute('curl', '--fail', url, '-o', target) def execute(*cmd, **kwargs): @@ -147,7 +138,7 @@ def execute(*cmd, **kwargs): while attempts > 0: attempts -= 1 try: - LOG.debug(_("Running cmd (subprocess): %s"), ' '.join(cmd)) + LOG.debug(_('Running cmd (subprocess): %s'), ' '.join(cmd)) env = os.environ.copy() if addl_env: env.update(addl_env) @@ -157,26 +148,27 @@ def execute(*cmd, **kwargs): stderr=subprocess.PIPE, env=env) result = None - if process_input != None: + if process_input is not None: result = obj.communicate(process_input) else: result = obj.communicate() obj.stdin.close() if obj.returncode: - LOG.debug(_("Result was %s") % obj.returncode) + LOG.debug(_('Result was %s') % obj.returncode) if type(check_exit_code) == types.IntType \ and obj.returncode != check_exit_code: (stdout, stderr) = result - raise ProcessExecutionError(exit_code=obj.returncode, - stdout=stdout, - stderr=stderr, - cmd=' '.join(cmd)) + raise exception.ProcessExecutionError( + exit_code=obj.returncode, + stdout=stdout, + stderr=stderr, + cmd=' '.join(cmd)) return result - except ProcessExecutionError: + except exception.ProcessExecutionError: if not attempts: raise else: - LOG.debug(_("%r failed. Retrying."), cmd) + LOG.debug(_('%r failed. Retrying.'), cmd) if delay_on_retry: greenthread.sleep(random.randint(20, 200) / 100.0) finally: @@ -188,13 +180,13 @@ def execute(*cmd, **kwargs): def ssh_execute(ssh, cmd, process_input=None, addl_env=None, check_exit_code=True): - LOG.debug(_("Running cmd (SSH): %s"), ' '.join(cmd)) + LOG.debug(_('Running cmd (SSH): %s'), ' '.join(cmd)) if addl_env: - raise exception.Error("Environment not supported over SSH") + raise exception.Error(_('Environment not supported over SSH')) if process_input: # This is (probably) fixable if we need it... - raise exception.Error("process_input not supported over SSH") + raise exception.Error(_('process_input not supported over SSH')) stdin_stream, stdout_stream, stderr_stream = ssh.exec_command(cmd) channel = stdout_stream.channel @@ -212,7 +204,7 @@ def ssh_execute(ssh, cmd, process_input=None, # exit_status == -1 if no exit code was returned if exit_status != -1: - LOG.debug(_("Result was %s") % exit_status) + LOG.debug(_('Result was %s') % exit_status) if check_exit_code and exit_status != 0: raise exception.ProcessExecutionError(exit_code=exit_status, stdout=stdout, @@ -251,7 +243,7 @@ def debug(arg): def runthis(prompt, *cmd, **kwargs): - LOG.debug(_("Running %s"), (" ".join(cmd))) + LOG.debug(_('Running %s'), (' '.join(cmd))) rv, err = execute(*cmd, **kwargs) @@ -266,48 +258,49 @@ def generate_mac(): random.randint(0x00, 0x7f), random.randint(0x00, 0xff), random.randint(0x00, 0xff)] - return ':'.join(map(lambda x: "%02x" % x, mac)) + return ':'.join(map(lambda x: '%02x' % x, mac)) # Default symbols to use for passwords. Avoids visually confusing characters. # ~6 bits per symbol -DEFAULT_PASSWORD_SYMBOLS = ("23456789" # Removed: 0,1 - "ABCDEFGHJKLMNPQRSTUVWXYZ" # Removed: I, O - "abcdefghijkmnopqrstuvwxyz") # Removed: l +DEFAULT_PASSWORD_SYMBOLS = ('23456789' # Removed: 0,1 + 'ABCDEFGHJKLMNPQRSTUVWXYZ' # Removed: I, O + 'abcdefghijkmnopqrstuvwxyz') # Removed: l # ~5 bits per symbol -EASIER_PASSWORD_SYMBOLS = ("23456789" # Removed: 0, 1 - "ABCDEFGHJKLMNPQRSTUVWXYZ") # Removed: I, O +EASIER_PASSWORD_SYMBOLS = ('23456789' # Removed: 0, 1 + 'ABCDEFGHJKLMNPQRSTUVWXYZ') # Removed: I, O def generate_password(length=20, symbols=DEFAULT_PASSWORD_SYMBOLS): """Generate a random password from the supplied symbols. Believed to be reasonably secure (with a reasonable password length!) + """ r = random.SystemRandom() - return "".join([r.choice(symbols) for _i in xrange(length)]) + return ''.join([r.choice(symbols) for _i in xrange(length)]) def last_octet(address): - return int(address.split(".")[-1]) + return int(address.split('.')[-1]) def get_my_linklocal(interface): try: - if_str = execute("ip", "-f", "inet6", "-o", "addr", "show", interface) - condition = "\s+inet6\s+([0-9a-f:]+)/\d+\s+scope\s+link" + if_str = execute('ip', '-f', 'inet6', '-o', 'addr', 'show', interface) + condition = '\s+inet6\s+([0-9a-f:]+)/\d+\s+scope\s+link' links = [re.search(condition, x) for x in if_str[0].split('\n')] address = [w.group(1) for w in links if w is not None] if address[0] is not None: return address[0] else: - raise exception.Error(_("Link Local address is not found.:%s") + raise exception.Error(_('Link Local address is not found.:%s') % if_str) except Exception as ex: raise exception.Error(_("Couldn't get Link Local IP of %(interface)s" - " :%(ex)s") % locals()) + " :%(ex)s") % locals()) def to_global_ipv6(prefix, mac): @@ -319,15 +312,15 @@ def to_global_ipv6(prefix, mac): return (mac64_addr ^ netaddr.IPAddress('::0200:0:0:0') | maskIP).\ format() except TypeError: - raise TypeError(_("Bad mac for to_global_ipv6: %s") % mac) + raise TypeError(_('Bad mac for to_global_ipv6: %s') % mac) def to_mac(ipv6_address): address = netaddr.IPAddress(ipv6_address) - mask1 = netaddr.IPAddress("::ffff:ffff:ffff:ffff") - mask2 = netaddr.IPAddress("::0200:0:0:0") + mask1 = netaddr.IPAddress('::ffff:ffff:ffff:ffff') + mask2 = netaddr.IPAddress('::0200:0:0:0') mac64 = netaddr.EUI(int(address & mask1 ^ mask2)).words - return ":".join(["%02x" % i for i in mac64[0:3] + mac64[5:8]]) + return ':'.join(['%02x' % i for i in mac64[0:3] + mac64[5:8]]) def utcnow(): @@ -341,7 +334,7 @@ utcnow.override_time = None def is_older_than(before, seconds): - """Return True if before is older than seconds""" + """Return True if before is older than seconds.""" return utcnow() - before > datetime.timedelta(seconds=seconds) @@ -379,7 +372,7 @@ def isotime(at=None): def parse_isotime(timestr): - """Turn an iso formatted time back into a datetime""" + """Turn an iso formatted time back into a datetime.""" return datetime.datetime.strptime(timestr, TIME_FORMAT) @@ -433,16 +426,19 @@ class LazyPluggable(object): class LoopingCallDone(Exception): - """The poll-function passed to LoopingCall can raise this exception to + """Exception to break out and stop a LoopingCall. + + The poll-function passed to LoopingCall can raise this exception to break out of the loop normally. This is somewhat analogous to StopIteration. An optional return-value can be included as the argument to the exception; this return-value will be returned by LoopingCall.wait() + """ def __init__(self, retvalue=True): - """:param retvalue: Value that LoopingCall.wait() should return""" + """:param retvalue: Value that LoopingCall.wait() should return.""" self.retvalue = retvalue @@ -493,7 +489,7 @@ def xhtml_escape(value): http://github.com/facebook/tornado/blob/master/tornado/escape.py """ - return saxutils.escape(value, {'"': """}) + return saxutils.escape(value, {'"': '"'}) def utf8(value): @@ -504,7 +500,7 @@ def utf8(value): """ if isinstance(value, unicode): - return value.encode("utf-8") + return value.encode('utf-8') assert isinstance(value, str) return value @@ -554,7 +550,7 @@ class _NoopContextManager(object): def synchronized(name, external=False): - """Synchronization decorator + """Synchronization decorator. Decorating a method like so: @synchronized('mylock') @@ -578,6 +574,7 @@ def synchronized(name, external=False): multiple processes. This means that if two different workers both run a a method decorated with @synchronized('mylock', external=True), only one of them will execute at a time. + """ def wrap(f): @@ -590,13 +587,13 @@ def synchronized(name, external=False): _semaphores[name] = semaphore.Semaphore() sem = _semaphores[name] LOG.debug(_('Attempting to grab semaphore "%(lock)s" for method ' - '"%(method)s"...' % {"lock": name, - "method": f.__name__})) + '"%(method)s"...' % {'lock': name, + 'method': f.__name__})) with sem: if external: LOG.debug(_('Attempting to grab file lock "%(lock)s" for ' 'method "%(method)s"...' % - {"lock": name, "method": f.__name__})) + {'lock': name, 'method': f.__name__})) lock_file_path = os.path.join(FLAGS.lock_path, 'nova-%s.lock' % name) lock = lockfile.FileLock(lock_file_path) @@ -617,21 +614,23 @@ def synchronized(name, external=False): def get_from_path(items, path): - """ Returns a list of items matching the specified path. Takes an - XPath-like expression e.g. prop1/prop2/prop3, and for each item in items, - looks up items[prop1][prop2][prop3]. Like XPath, if any of the + """Returns a list of items matching the specified path. + + Takes an XPath-like expression e.g. prop1/prop2/prop3, and for each item + in items, looks up items[prop1][prop2][prop3]. Like XPath, if any of the intermediate results are lists it will treat each list item individually. A 'None' in items or any child expressions will be ignored, this function will not throw because of None (anywhere) in items. The returned list - will contain no None values.""" + will contain no None values. + """ if path is None: - raise exception.Error("Invalid mini_xpath") + raise exception.Error('Invalid mini_xpath') - (first_token, sep, remainder) = path.partition("/") + (first_token, sep, remainder) = path.partition('/') - if first_token == "": - raise exception.Error("Invalid mini_xpath") + if first_token == '': + raise exception.Error('Invalid mini_xpath') results = [] @@ -645,7 +644,7 @@ def get_from_path(items, path): for item in items: if item is None: continue - get_method = getattr(item, "get", None) + get_method = getattr(item, 'get', None) if get_method is None: continue child = get_method(first_token) @@ -666,7 +665,7 @@ def get_from_path(items, path): def flatten_dict(dict_, flattened=None): - """Recursively flatten a nested dictionary""" + """Recursively flatten a nested dictionary.""" flattened = flattened or {} for key, value in dict_.iteritems(): if hasattr(value, 'iteritems'): @@ -677,9 +676,7 @@ def flatten_dict(dict_, flattened=None): def partition_dict(dict_, keys): - """Return two dicts, one containing only `keys` the other containing - everything but `keys` - """ + """Return two dicts, one with `keys` the other with everything else.""" intersection = {} difference = {} for key, value in dict_.iteritems(): @@ -691,9 +688,7 @@ def partition_dict(dict_, keys): def map_dict_keys(dict_, key_map): - """Return a dictionary in which the dictionaries keys are mapped to - new keys. - """ + """Return a dict in which the dictionaries keys are mapped to new keys.""" mapped = {} for key, value in dict_.iteritems(): mapped_key = key_map[key] if key in key_map else key @@ -702,15 +697,15 @@ def map_dict_keys(dict_, key_map): def subset_dict(dict_, keys): - """Return a dict that only contains a subset of keys""" + """Return a dict that only contains a subset of keys.""" subset = partition_dict(dict_, keys)[0] return subset def check_isinstance(obj, cls): - """Checks that obj is of type cls, and lets PyLint infer types""" + """Checks that obj is of type cls, and lets PyLint infer types.""" if isinstance(obj, cls): return obj - raise Exception(_("Expected object of type: %s") % (str(cls))) + raise Exception(_('Expected object of type: %s') % (str(cls))) # TODO(justinsb): Can we make this better?? return cls() # Ugly PyLint hack diff --git a/nova/version.py b/nova/version.py index c43d12cf8..1f8d08e8c 100644 --- a/nova/version.py +++ b/nova/version.py @@ -21,9 +21,9 @@ except ImportError: 'revision_id': 'LOCALREVISION', 'revno': 0} + NOVA_VERSION = ['2011', '3'] YEAR, COUNT = NOVA_VERSION - FINAL = False # This becomes true at Release Candidate time @@ -39,8 +39,8 @@ def version_string(): def vcs_version_string(): - return "%s:%s" % (version_info['branch_nick'], version_info['revision_id']) + return '%s:%s' % (version_info['branch_nick'], version_info['revision_id']) def version_string_with_vcs(): - return "%s-%s" % (canonical_version_string(), vcs_version_string()) + return '%s-%s' % (canonical_version_string(), vcs_version_string()) diff --git a/nova/virt/fake.py b/nova/virt/fake.py index c3d5230df..33f37b512 100644 --- a/nova/virt/fake.py +++ b/nova/virt/fake.py @@ -288,8 +288,7 @@ class FakeConnection(driver.ComputeDriver): knowledge of the instance """ if instance_name not in self.instances: - raise exception.NotFound(_("Instance %s Not Found") - % instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) i = self.instances[instance_name] return {'state': i.state, 'max_mem': 0, diff --git a/nova/virt/hyperv.py b/nova/virt/hyperv.py index 13f403a66..9026e737e 100644 --- a/nova/virt/hyperv.py +++ b/nova/virt/hyperv.py @@ -143,8 +143,7 @@ class HyperVConnection(driver.ComputeDriver): """ Create a new VM and start it.""" vm = self._lookup(instance.name) if vm is not None: - raise exception.Duplicate(_('Attempt to create duplicate vm %s') % - instance.name) + raise exception.InstanceExists(name=instance.name) user = manager.AuthManager().get_user(instance['user_id']) project = manager.AuthManager().get_project(instance['project_id']) @@ -368,7 +367,7 @@ class HyperVConnection(driver.ComputeDriver): """Reboot the specified instance.""" vm = self._lookup(instance.name) if vm is None: - raise exception.NotFound('instance not present %s' % instance.name) + raise exception.InstanceNotFound(instance_id=instance.id) self._set_vm_state(instance.name, 'Reboot') def destroy(self, instance): @@ -412,7 +411,7 @@ class HyperVConnection(driver.ComputeDriver): """Get information about the VM""" vm = self._lookup(instance_id) if vm is None: - raise exception.NotFound('instance not present %s' % instance_id) + raise exception.InstanceNotFound(instance_id=instance_id) vm = self._conn.Msvm_ComputerSystem(ElementName=instance_id)[0] vs_man_svc = self._conn.Msvm_VirtualSystemManagementService()[0] vmsettings = vm.associators( @@ -474,14 +473,12 @@ class HyperVConnection(driver.ComputeDriver): def attach_volume(self, instance_name, device_path, mountpoint): vm = self._lookup(instance_name) if vm is None: - raise exception.NotFound('Cannot attach volume to missing %s vm' - % instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) def detach_volume(self, instance_name, mountpoint): vm = self._lookup(instance_name) if vm is None: - raise exception.NotFound('Cannot detach volume from missing %s ' - % instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) def poll_rescued_instances(self, timeout): pass diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index ccfce39e4..879534f59 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -58,7 +58,6 @@ from nova import db from nova import exception from nova import flags from nova import log as logging -#from nova import test from nova import utils from nova import vnc from nova.auth import manager @@ -155,8 +154,8 @@ def _get_net_and_prefixlen(cidr): def _get_ip_version(cidr): - net = IPy.IP(cidr) - return int(net.version()) + net = IPy.IP(cidr) + return int(net.version()) def _get_network_info(instance): @@ -166,9 +165,10 @@ def _get_network_info(instance): ip_addresses = db.fixed_ip_get_all_by_instance(admin_context, instance['id']) - networks = db.network_get_all_by_instance(admin_context, instance['id']) + flavor = db.instance_type_get_by_id(admin_context, + instance['instance_type_id']) network_info = [] for network in networks: @@ -192,7 +192,9 @@ def _get_network_info(instance): mapping = { 'label': network['label'], 'gateway': network['gateway'], + 'broadcast': network['broadcast'], 'mac': instance['mac_address'], + 'rxtx_cap': flavor['rxtx_cap'], 'dns': [network['dns']], 'ips': [ip_dict(ip) for ip in network_ips]} @@ -310,19 +312,10 @@ class LibvirtConnection(driver.ComputeDriver): def destroy(self, instance, cleanup=True): instance_name = instance['name'] - # TODO(justinsb): Refactor all lookupByName calls for error-handling try: - virt_dom = self._conn.lookupByName(instance_name) - except libvirt.libvirtError as e: - errcode = e.get_error_code() - if errcode == libvirt.VIR_ERR_NO_DOMAIN: - virt_dom = None - else: - LOG.warning(_("Error from libvirt during lookup of " - "%(instance_name)s. Code=%(errcode)s " - "Error=%(e)s") % - locals()) - raise + virt_dom = self._lookup_by_name(instance_name) + except exception.NotFound: + virt_dom = None # If the instance is already terminated, we're still happy # Otherwise, destroy it @@ -360,28 +353,19 @@ class LibvirtConnection(driver.ComputeDriver): locals()) raise - # We'll save this for when we do shutdown, - # instead of destroy - but destroy returns immediately - timer = utils.LoopingCall(f=None) + def _wait_for_destroy(): + """Called at an interval until the VM is gone.""" + instance_name = instance['name'] - while True: try: - state = self.get_info(instance['name'])['state'] - db.instance_set_state(context.get_admin_context(), - instance['id'], state) - if state == power_state.SHUTOFF: - break - - # Let's not hammer on the DB - time.sleep(1) - except Exception as ex: - msg = _("Error encountered when destroying instance '%(id)s': " - "%(ex)s") % {"id": instance["id"], "ex": ex} - LOG.debug(msg) - db.instance_set_state(context.get_admin_context(), - instance['id'], - power_state.SHUTOFF) - break + state = self.get_info(instance_name)['state'] + except exception.NotFound: + msg = _("Instance %s destroyed successfully.") % instance_name + LOG.info(msg) + raise utils.LoopingCallDone + + timer = utils.LoopingCall(_wait_for_destroy) + timer.start(interval=0.5, now=True) self.firewall_driver.unfilter_instance(instance) @@ -402,7 +386,7 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def attach_volume(self, instance_name, device_path, mountpoint): - virt_dom = self._conn.lookupByName(instance_name) + virt_dom = self._lookup_by_name(instance_name) mount_device = mountpoint.rpartition("/")[2] if device_path.startswith('/dev/'): xml = """<disk type='block'> @@ -420,7 +404,7 @@ class LibvirtConnection(driver.ComputeDriver): name, mount_device) else: - raise exception.Invalid(_("Invalid device path %s") % device_path) + raise exception.InvalidDevicePath(path=device_path) virt_dom.attachDevice(xml) @@ -439,18 +423,18 @@ class LibvirtConnection(driver.ComputeDriver): if child.prop('dev') == device: return str(node) finally: - if ctx != None: + if ctx is not None: ctx.xpathFreeContext() - if doc != None: + if doc is not None: doc.freeDoc() @exception.wrap_exception def detach_volume(self, instance_name, mountpoint): - virt_dom = self._conn.lookupByName(instance_name) + virt_dom = self._lookup_by_name(instance_name) mount_device = mountpoint.rpartition("/")[2] xml = self._get_disk_xml(virt_dom.XMLDesc(0), mount_device) if not xml: - raise exception.NotFound(_("No disk at %s") % mount_device) + raise exception.DiskNotFound(location=mount_device) virt_dom.detachDevice(xml) @exception.wrap_exception @@ -463,7 +447,7 @@ class LibvirtConnection(driver.ComputeDriver): """ image_service = utils.import_object(FLAGS.image_service) - virt_dom = self._conn.lookupByName(instance['name']) + virt_dom = self._lookup_by_name(instance['name']) elevated = context.get_admin_context() base = image_service.show(elevated, instance['image_id']) @@ -471,8 +455,8 @@ class LibvirtConnection(driver.ComputeDriver): metadata = {'disk_format': base['disk_format'], 'container_format': base['container_format'], 'is_public': False, + 'name': '%s.%s' % (base['name'], image_id), 'properties': {'architecture': base['architecture'], - 'name': '%s.%s' % (base['name'], image_id), 'kernel_id': instance['kernel_id'], 'image_location': 'snapshot', 'image_state': 'available', @@ -499,12 +483,17 @@ class LibvirtConnection(driver.ComputeDriver): # Export the snapshot to a raw image temp_dir = tempfile.mkdtemp() out_path = os.path.join(temp_dir, snapshot_name) - qemu_img_cmd = '%s convert -f qcow2 -O raw -s %s %s %s' % ( - FLAGS.qemu_img, - snapshot_name, - disk_path, - out_path) - utils.execute(qemu_img_cmd) + qemu_img_cmd = (FLAGS.qemu_img, + 'convert', + '-f', + 'qcow2', + '-O', + 'raw', + '-s', + snapshot_name, + disk_path, + out_path) + utils.execute(*qemu_img_cmd) # Upload that image to the image service with open(out_path) as image_file: @@ -518,31 +507,43 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def reboot(self, instance): + """Reboot a virtual machine, given an instance reference. + + This method actually destroys and re-creates the domain to ensure the + reboot happens, as the guest OS cannot ignore this action. + + """ + virt_dom = self._conn.lookupByName(instance['name']) + # NOTE(itoumsn): Use XML delived from the running instance + # instead of using to_xml(instance). This is almost the ultimate + # stupid workaround. + xml = virt_dom.XMLDesc(0) + # NOTE(itoumsn): self.shutdown() and wait instead of self.destroy() is + # better because we cannot ensure flushing dirty buffers + # in the guest OS. But, in case of KVM, shutdown() does not work... self.destroy(instance, False) - xml = self.to_xml(instance) self.firewall_driver.setup_basic_filtering(instance) self.firewall_driver.prepare_instance_filter(instance) self._create_new_domain(xml) self.firewall_driver.apply_instance_filter(instance) - timer = utils.LoopingCall(f=None) - def _wait_for_reboot(): + """Called at an interval until the VM is running again.""" + instance_name = instance['name'] + try: - state = self.get_info(instance['name'])['state'] - db.instance_set_state(context.get_admin_context(), - instance['id'], state) - if state == power_state.RUNNING: - LOG.debug(_('instance %s: rebooted'), instance['name']) - timer.stop() - except Exception, exn: - LOG.exception(_('_wait_for_reboot failed: %s'), exn) - db.instance_set_state(context.get_admin_context(), - instance['id'], - power_state.SHUTDOWN) - timer.stop() + state = self.get_info(instance_name)['state'] + except exception.NotFound: + msg = _("During reboot, %s disappeared.") % instance_name + LOG.error(msg) + raise utils.LoopingCallDone + + if state == power_state.RUNNING: + msg = _("Instance %s rebooted successfully.") % instance_name + LOG.info(msg) + raise utils.LoopingCallDone - timer.f = _wait_for_reboot + timer = utils.LoopingCall(_wait_for_reboot) return timer.start(interval=0.5, now=True) @exception.wrap_exception @@ -562,7 +563,15 @@ class LibvirtConnection(driver.ComputeDriver): raise exception.ApiError("resume not supported for libvirt") @exception.wrap_exception - def rescue(self, instance, callback=None): + def rescue(self, instance): + """Loads a VM using rescue images. + + A rescue is normally performed when something goes wrong with the + primary images and data needs to be corrected/recovered. Rescuing + should not edit or over-ride the original image, only allow for + data recovery. + + """ self.destroy(instance, False) xml = self.to_xml(instance, rescue=True) @@ -572,29 +581,33 @@ class LibvirtConnection(driver.ComputeDriver): self._create_image(instance, xml, '.rescue', rescue_images) self._create_new_domain(xml) - timer = utils.LoopingCall(f=None) - def _wait_for_rescue(): + """Called at an interval until the VM is running again.""" + instance_name = instance['name'] + try: - state = self.get_info(instance['name'])['state'] - db.instance_set_state(None, instance['id'], state) - if state == power_state.RUNNING: - LOG.debug(_('instance %s: rescued'), instance['name']) - timer.stop() - except Exception, exn: - LOG.exception(_('_wait_for_rescue failed: %s'), exn) - db.instance_set_state(None, - instance['id'], - power_state.SHUTDOWN) - timer.stop() + state = self.get_info(instance_name)['state'] + except exception.NotFound: + msg = _("During reboot, %s disappeared.") % instance_name + LOG.error(msg) + raise utils.LoopingCallDone + + if state == power_state.RUNNING: + msg = _("Instance %s rescued successfully.") % instance_name + LOG.info(msg) + raise utils.LoopingCallDone - timer.f = _wait_for_rescue + timer = utils.LoopingCall(_wait_for_rescue) return timer.start(interval=0.5, now=True) @exception.wrap_exception - def unrescue(self, instance, callback=None): - # NOTE(vish): Because reboot destroys and recreates an instance using - # the normal xml file, we can just call reboot here + def unrescue(self, instance): + """Reboot the VM which is being rescued back into primary images. + + Because reboot destroys and re-creates instances, unresue should + simply call reboot. + + """ self.reboot(instance) @exception.wrap_exception @@ -605,14 +618,10 @@ class LibvirtConnection(driver.ComputeDriver): # for xenapi(tr3buchet) @exception.wrap_exception def spawn(self, instance, network_info=None): - xml = self.to_xml(instance, network_info) - db.instance_set_state(context.get_admin_context(), - instance['id'], - power_state.NOSTATE, - 'launching') + xml = self.to_xml(instance, False, network_info) self.firewall_driver.setup_basic_filtering(instance, network_info) self.firewall_driver.prepare_instance_filter(instance, network_info) - self._create_image(instance, xml, network_info) + self._create_image(instance, xml, network_info=network_info) domain = self._create_new_domain(xml) LOG.debug(_("instance %s: is running"), instance['name']) self.firewall_driver.apply_instance_filter(instance) @@ -622,25 +631,23 @@ class LibvirtConnection(driver.ComputeDriver): instance['name']) domain.setAutostart(1) - timer = utils.LoopingCall(f=None) - def _wait_for_boot(): + """Called at an interval until the VM is running.""" + instance_name = instance['name'] + try: - state = self.get_info(instance['name'])['state'] - db.instance_set_state(context.get_admin_context(), - instance['id'], state) - if state == power_state.RUNNING: - LOG.debug(_('instance %s: booted'), instance['name']) - timer.stop() - except: - LOG.exception(_('instance %s: failed to boot'), - instance['name']) - db.instance_set_state(context.get_admin_context(), - instance['id'], - power_state.SHUTDOWN) - timer.stop() + state = self.get_info(instance_name)['state'] + except exception.NotFound: + msg = _("During reboot, %s disappeared.") % instance_name + LOG.error(msg) + raise utils.LoopingCallDone - timer.f = _wait_for_boot + if state == power_state.RUNNING: + msg = _("Instance %s spawned successfully.") % instance_name + LOG.info(msg) + raise utils.LoopingCallDone + + timer = utils.LoopingCall(_wait_for_boot) return timer.start(interval=0.5, now=True) def _flush_xen_console(self, virsh_output): @@ -706,7 +713,7 @@ class LibvirtConnection(driver.ComputeDriver): raise Exception(_('Unable to find an open port')) def get_pty_for_instance(instance_name): - virt_dom = self._conn.lookupByName(instance_name) + virt_dom = self._lookup_by_name(instance_name) xml = virt_dom.XMLDesc(0) dom = minidom.parseString(xml) @@ -731,7 +738,7 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def get_vnc_console(self, instance): def get_vnc_port_for_instance(instance_name): - virt_dom = self._conn.lookupByName(instance_name) + virt_dom = self._lookup_by_name(instance_name) xml = virt_dom.XMLDesc(0) # TODO: use etree instead of minidom dom = minidom.parseString(xml) @@ -953,26 +960,16 @@ class LibvirtConnection(driver.ComputeDriver): mac_id = mapping['mac'].replace(':', '') if FLAGS.allow_project_net_traffic: + template = "<parameter name=\"%s\"value=\"%s\" />\n" + net, mask = _get_net_and_mask(network['cidr']) + values = [("PROJNET", net), ("PROJMASK", mask)] if FLAGS.use_ipv6: - net, mask = _get_net_and_mask(network['cidr']) net_v6, prefixlen_v6 = _get_net_and_prefixlen( network['cidr_v6']) - extra_params = ("<parameter name=\"PROJNET\" " - "value=\"%s\" />\n" - "<parameter name=\"PROJMASK\" " - "value=\"%s\" />\n" - "<parameter name=\"PROJNETV6\" " - "value=\"%s\" />\n" - "<parameter name=\"PROJMASKV6\" " - "value=\"%s\" />\n") % \ - (net, mask, net_v6, prefixlen_v6) - else: - net, mask = _get_net_and_mask(network['cidr']) - extra_params = ("<parameter name=\"PROJNET\" " - "value=\"%s\" />\n" - "<parameter name=\"PROJMASK\" " - "value=\"%s\" />\n") % \ - (net, mask) + values.extend([("PROJNETV6", net_v6), + ("PROJMASKV6", prefixlen_v6)]) + + extra_params = "".join([template % value for value in values]) else: extra_params = "\n" @@ -990,10 +987,7 @@ class LibvirtConnection(driver.ComputeDriver): return result - def to_xml(self, instance, rescue=False, network_info=None): - # TODO(termie): cache? - LOG.debug(_('instance %s: starting toXML method'), instance['name']) - + def _prepare_xml_info(self, instance, rescue=False, network_info=None): # TODO(adiantum) remove network_info creation code # when multinics will be completed if not network_info: @@ -1001,8 +995,7 @@ class LibvirtConnection(driver.ComputeDriver): nics = [] for (network, mapping) in network_info: - nics.append(self._get_nic_for_xml(network, - mapping)) + nics.append(self._get_nic_for_xml(network, mapping)) # FIXME(vish): stick this in db inst_type_id = instance['instance_type_id'] inst_type = instance_types.get_instance_type(inst_type_id) @@ -1034,29 +1027,43 @@ class LibvirtConnection(driver.ComputeDriver): xml_info['ramdisk'] = xml_info['basepath'] + "/ramdisk" xml_info['disk'] = xml_info['basepath'] + "/disk" + return xml_info + def to_xml(self, instance, rescue=False, network_info=None): + # TODO(termie): cache? + LOG.debug(_('instance %s: starting toXML method'), instance['name']) + xml_info = self._prepare_xml_info(instance, rescue, network_info) xml = str(Template(self.libvirt_xml, searchList=[xml_info])) - LOG.debug(_('instance %s: finished toXML method'), - instance['name']) + LOG.debug(_('instance %s: finished toXML method'), instance['name']) return xml - def get_info(self, instance_name): - # NOTE(justinsb): When libvirt isn't running / can't connect, we get: - # libvir: Remote error : unable to connect to - # '/var/run/libvirt/libvirt-sock', libvirtd may need to be started: - # No such file or directory + def _lookup_by_name(self, instance_name): + """Retrieve libvirt domain object given an instance name. + + All libvirt error handling should be handled in this method and + relevant nova exceptions should be raised in response. + + """ try: - virt_dom = self._conn.lookupByName(instance_name) - except libvirt.libvirtError as e: - errcode = e.get_error_code() - if errcode == libvirt.VIR_ERR_NO_DOMAIN: - raise exception.NotFound(_("Instance %s not found") - % instance_name) - LOG.warning(_("Error from libvirt during lookup. " - "Code=%(errcode)s Error=%(e)s") % - locals()) - raise + return self._conn.lookupByName(instance_name) + except libvirt.libvirtError as ex: + error_code = ex.get_error_code() + if error_code == libvirt.VIR_ERR_NO_DOMAIN: + raise exception.InstanceNotFound(instance_id=instance_name) + + msg = _("Error from libvirt while looking up %(instance_name)s: " + "[Error Code %(error_code)s] %(ex)s") % locals() + raise exception.Error(msg) + def get_info(self, instance_name): + """Retrieve information from libvirt for a specific instance name. + + If a libvirt error is encountered during lookup, we might raise a + NotFound exception or Error exception depending on how severe the + libvirt error is. + + """ + virt_dom = self._lookup_by_name(instance_name) (state, max_mem, mem, num_cpu, cpu_time) = virt_dom.info() return {'state': state, 'max_mem': max_mem, @@ -1093,7 +1100,7 @@ class LibvirtConnection(driver.ComputeDriver): Returns a list of all block devices for this domain. """ - domain = self._conn.lookupByName(instance_name) + domain = self._lookup_by_name(instance_name) # TODO(devcamcar): Replace libxml2 with etree. xml = domain.XMLDesc(0) doc = None @@ -1116,14 +1123,14 @@ class LibvirtConnection(driver.ComputeDriver): if child.name == 'target': devdst = child.prop('dev') - if devdst == None: + if devdst is None: continue disks.append(devdst) finally: - if ctx != None: + if ctx is not None: ctx.xpathFreeContext() - if doc != None: + if doc is not None: doc.freeDoc() return disks @@ -1135,7 +1142,7 @@ class LibvirtConnection(driver.ComputeDriver): Returns a list of all network interfaces for this instance. """ - domain = self._conn.lookupByName(instance_name) + domain = self._lookup_by_name(instance_name) # TODO(devcamcar): Replace libxml2 with etree. xml = domain.XMLDesc(0) doc = None @@ -1158,14 +1165,14 @@ class LibvirtConnection(driver.ComputeDriver): if child.name == 'target': devdst = child.prop('dev') - if devdst == None: + if devdst is None: continue interfaces.append(devdst) finally: - if ctx != None: + if ctx is not None: ctx.xpathFreeContext() - if doc != None: + if doc is not None: doc.freeDoc() return interfaces @@ -1301,9 +1308,9 @@ class LibvirtConnection(driver.ComputeDriver): xml = libxml2.parseDoc(xml) nodes = xml.xpathEval('//host/cpu') if len(nodes) != 1: - raise exception.Invalid(_("Invalid xml. '<cpu>' must be 1," - "but %d\n") % len(nodes) - + xml.serialize()) + reason = _("'<cpu>' must be 1, but %d\n") % len(nodes) + reason += xml.serialize() + raise exception.InvalidCPUInfo(reason=reason) cpu_info = dict() @@ -1332,9 +1339,8 @@ class LibvirtConnection(driver.ComputeDriver): tkeys = topology.keys() if set(tkeys) != set(keys): ks = ', '.join(keys) - raise exception.Invalid(_("Invalid xml: topology" - "(%(topology)s) must have " - "%(ks)s") % locals()) + reason = _("topology (%(topology)s) must have %(ks)s") + raise exception.InvalidCPUInfo(reason=reason % locals()) feature_nodes = xml.xpathEval('//host/cpu/feature') features = list() @@ -1350,7 +1356,7 @@ class LibvirtConnection(driver.ComputeDriver): Note that this function takes an instance name, not an Instance, so that it can be called by monitor. """ - domain = self._conn.lookupByName(instance_name) + domain = self._lookup_by_name(instance_name) return domain.blockStats(disk) def interface_stats(self, instance_name, interface): @@ -1358,7 +1364,7 @@ class LibvirtConnection(driver.ComputeDriver): Note that this function takes an instance name, not an Instance, so that it can be called by monitor. """ - domain = self._conn.lookupByName(instance_name) + domain = self._lookup_by_name(instance_name) return domain.interfaceStats(interface) def get_console_pool_info(self, console_type): @@ -1389,9 +1395,7 @@ class LibvirtConnection(driver.ComputeDriver): try: service_ref = db.service_get_all_compute_by_host(ctxt, host)[0] except exception.NotFound: - raise exception.Invalid(_("Cannot update compute manager " - "specific info, because no service " - "record was found.")) + raise exception.ComputeServiceUnavailable(host=host) # Updating host information dic = {'vcpus': self.get_vcpu_total(), @@ -1444,7 +1448,7 @@ class LibvirtConnection(driver.ComputeDriver): raise if ret <= 0: - raise exception.Invalid(m % locals()) + raise exception.InvalidCPUInfo(reason=m % locals()) return @@ -1554,7 +1558,7 @@ class LibvirtConnection(driver.ComputeDriver): FLAGS.live_migration_bandwidth) except Exception: - recover_method(ctxt, instance_ref) + recover_method(ctxt, instance_ref, dest=dest) raise # Waiting for completion of live_migration. @@ -1730,11 +1734,16 @@ class NWFilterFirewall(FirewallDriver): logging.info('ensuring static filters') self._ensure_static_filters() + if instance['image_id'] == str(FLAGS.vpn_image_id): + base_filter = 'nova-vpn' + else: + base_filter = 'nova-base' + for (network, mapping) in network_info: nic_id = mapping['mac'].replace(':', '') instance_filter_name = self._instance_filter_name(instance, nic_id) self._define_filter(self._filter_container(instance_filter_name, - ['nova-base'])) + [base_filter])) def _ensure_static_filters(self): if self.static_filters_configured: @@ -1745,11 +1754,12 @@ class NWFilterFirewall(FirewallDriver): 'no-ip-spoofing', 'no-arp-spoofing', 'allow-dhcp-server'])) + self._define_filter(self._filter_container('nova-vpn', + ['allow-dhcp-server'])) self._define_filter(self.nova_base_ipv4_filter) self._define_filter(self.nova_base_ipv6_filter) self._define_filter(self.nova_dhcp_filter) self._define_filter(self.nova_ra_filter) - self._define_filter(self.nova_vpn_filter) if FLAGS.allow_project_net_traffic: self._define_filter(self.nova_project_filter) if FLAGS.use_ipv6: @@ -1763,14 +1773,6 @@ class NWFilterFirewall(FirewallDriver): ''.join(["<filterref filter='%s'/>" % (f,) for f in filters])) return xml - nova_vpn_filter = '''<filter name='nova-vpn' chain='root'> - <uuid>2086015e-cf03-11df-8c5d-080027c27973</uuid> - <filterref filter='allow-dhcp-server'/> - <filterref filter='nova-allow-dhcp-server'/> - <filterref filter='nova-base-ipv4'/> - <filterref filter='nova-base-ipv6'/> - </filter>''' - def nova_base_ipv4_filter(self): retval = "<filter name='nova-base-ipv4' chain='ipv4'>" for protocol in ['tcp', 'udp', 'icmp']: @@ -1833,10 +1835,6 @@ class NWFilterFirewall(FirewallDriver): """ if not network_info: network_info = _get_network_info(instance) - if instance['image_id'] == FLAGS.vpn_image_id: - base_filter = 'nova-vpn' - else: - base_filter = 'nova-base' ctxt = context.get_admin_context() @@ -1848,41 +1846,59 @@ class NWFilterFirewall(FirewallDriver): 'nova-base-ipv6', 'nova-allow-dhcp-server'] + if FLAGS.use_ipv6: + networks = [network for (network, _m) in network_info if + network['gateway_v6']] + + if networks: + instance_secgroup_filter_children.\ + append('nova-allow-ra-server') + for security_group in \ db.security_group_get_by_instance(ctxt, instance['id']): self.refresh_security_group_rules(security_group['id']) - instance_secgroup_filter_children += [('nova-secgroup-%s' % - security_group['id'])] + instance_secgroup_filter_children.append('nova-secgroup-%s' % + security_group['id']) self._define_filter( self._filter_container(instance_secgroup_filter_name, instance_secgroup_filter_children)) - for (network, mapping) in network_info: - nic_id = mapping['mac'].replace(':', '') - instance_filter_name = self._instance_filter_name(instance, nic_id) - instance_filter_children = \ - [base_filter, instance_secgroup_filter_name] + network_filters = self.\ + _create_network_filters(instance, network_info, + instance_secgroup_filter_name) - if FLAGS.use_ipv6: - gateway_v6 = network['gateway_v6'] + for (name, children) in network_filters: + self._define_filters(name, children) - if gateway_v6: - instance_secgroup_filter_children += \ - ['nova-allow-ra-server'] + def _create_network_filters(self, instance, network_info, + instance_secgroup_filter_name): + if instance['image_id'] == str(FLAGS.vpn_image_id): + base_filter = 'nova-vpn' + else: + base_filter = 'nova-base' + + result = [] + for (_n, mapping) in network_info: + nic_id = mapping['mac'].replace(':', '') + instance_filter_name = self._instance_filter_name(instance, nic_id) + instance_filter_children = [base_filter, + instance_secgroup_filter_name] if FLAGS.allow_project_net_traffic: - instance_filter_children += ['nova-project'] + instance_filter_children.append('nova-project') if FLAGS.use_ipv6: - instance_filter_children += ['nova-project-v6'] + instance_filter_children.append('nova-project-v6') - self._define_filter( - self._filter_container(instance_filter_name, - instance_filter_children)) + result.append((instance_filter_name, instance_filter_children)) - return + return result + + def _define_filters(self, filter_name, filter_children): + self._define_filter(self._filter_container(filter_name, + filter_children)) def refresh_security_group_rules(self, security_group_id): return self._define_filter( @@ -1984,34 +2000,21 @@ class IptablesFirewallDriver(FirewallDriver): self.add_filters_for_instance(instance, network_info) self.iptables.apply() - def add_filters_for_instance(self, instance, network_info=None): - if not network_info: - network_info = _get_network_info(instance) - chain_name = self._instance_chain_name(instance) - - self.iptables.ipv4['filter'].add_chain(chain_name) + def _create_filter(self, ips, chain_name): + return ['-d %s -j $%s' % (ip, chain_name) for ip in ips] - ips_v4 = [ip['ip'] for (_, mapping) in network_info - for ip in mapping['ips']] + def _filters_for_instance(self, chain_name, network_info): + ips_v4 = [ip['ip'] for (_n, mapping) in network_info + for ip in mapping['ips']] + ipv4_rules = self._create_filter(ips_v4, chain_name) - for ipv4_address in ips_v4: - self.iptables.ipv4['filter'].add_rule('local', - '-d %s -j $%s' % - (ipv4_address, chain_name)) + ips_v6 = [ip['ip'] for (_n, mapping) in network_info + for ip in mapping['ip6s']] - if FLAGS.use_ipv6: - self.iptables.ipv6['filter'].add_chain(chain_name) - ips_v6 = [ip['ip'] for (_, mapping) in network_info - for ip in mapping['ip6s']] - - for ipv6_address in ips_v6: - self.iptables.ipv6['filter'].add_rule('local', - '-d %s -j $%s' % - (ipv6_address, - chain_name)) - - ipv4_rules, ipv6_rules = self.instance_rules(instance, network_info) + ipv6_rules = self._create_filter(ips_v6, chain_name) + return ipv4_rules, ipv6_rules + def _add_filters(self, chain_name, ipv4_rules, ipv6_rules): for rule in ipv4_rules: self.iptables.ipv4['filter'].add_rule(chain_name, rule) @@ -2019,6 +2022,17 @@ class IptablesFirewallDriver(FirewallDriver): for rule in ipv6_rules: self.iptables.ipv6['filter'].add_rule(chain_name, rule) + def add_filters_for_instance(self, instance, network_info=None): + chain_name = self._instance_chain_name(instance) + if FLAGS.use_ipv6: + self.iptables.ipv6['filter'].add_chain(chain_name) + self.iptables.ipv4['filter'].add_chain(chain_name) + ipv4_rules, ipv6_rules = self._filters_for_instance(chain_name, + network_info) + self._add_filters('local', ipv4_rules, ipv6_rules) + ipv4_rules, ipv6_rules = self.instance_rules(instance, network_info) + self._add_filters(chain_name, ipv4_rules, ipv6_rules) + def remove_filters_for_instance(self, instance): chain_name = self._instance_chain_name(instance) diff --git a/nova/virt/vmwareapi/fake.py b/nova/virt/vmwareapi/fake.py index 4bb467fa9..7370684bd 100644 --- a/nova/virt/vmwareapi/fake.py +++ b/nova/virt/vmwareapi/fake.py @@ -387,12 +387,11 @@ def _add_file(file_path): def _remove_file(file_path):
"""Removes a file reference from the db."""
if _db_content.get("files") is None:
- raise exception.NotFound(_("No files have been added yet"))
+ raise exception.NoFilesFound()
# Check if the remove is for a single file object or for a folder
if file_path.find(".vmdk") != -1:
if file_path not in _db_content.get("files"):
- raise exception.NotFound(_("File- '%s' is not there in the "
- "datastore") % file_path)
+ raise exception.FileNotFound(file_path=file_path)
_db_content.get("files").remove(file_path)
else:
# Removes the files in the folder and the folder too from the db
@@ -579,7 +578,7 @@ class FakeVim(object): """Searches the datastore for a file."""
ds_path = kwargs.get("datastorePath")
if _db_content.get("files", None) is None:
- raise exception.NotFound(_("No files have been added yet"))
+ raise exception.NoFilesFound()
for file in _db_content.get("files"):
if file.find(ds_path) != -1:
task_mdo = create_task(method, "success")
@@ -591,7 +590,7 @@ class FakeVim(object): """Creates a directory in the datastore."""
ds_path = kwargs.get("name")
if _db_content.get("files", None) is None:
- raise exception.NotFound(_("No files have been added yet"))
+ raise exception.NoFilesFound()
_db_content["files"].append(ds_path)
def _set_power_state(self, method, vm_ref, pwr_state="poweredOn"):
diff --git a/nova/virt/vmwareapi/vim.py b/nova/virt/vmwareapi/vim.py index 159e16a80..0cbdba363 100644 --- a/nova/virt/vmwareapi/vim.py +++ b/nova/virt/vmwareapi/vim.py @@ -43,6 +43,7 @@ flags.DEFINE_string('vmwareapi_wsdl_loc', if suds:
+
class VIMMessagePlugin(suds.plugin.MessagePlugin):
def addAttributeForValue(self, node):
diff --git a/nova/virt/vmwareapi/vmops.py b/nova/virt/vmwareapi/vmops.py index cf6c88bbd..c3e79a92f 100644 --- a/nova/virt/vmwareapi/vmops.py +++ b/nova/virt/vmwareapi/vmops.py @@ -100,8 +100,7 @@ class VMWareVMOps(object): """
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref:
- raise exception.Duplicate(_("Attempted to create a VM with a name"
- " %s, but that already exists on the host") % instance.name)
+ raise exception.InstanceExists(name=instance.name)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
@@ -116,8 +115,7 @@ class VMWareVMOps(object): network_utils.get_network_with_the_name(self._session,
net_name)
if network_ref is None:
- raise exception.NotFound(_("Network with the name '%s' doesn't"
- " exist on the ESX host") % net_name)
+ raise exception.NetworkNotFoundForBridge(bridge=net_name)
_check_if_network_bridge_exists()
@@ -337,8 +335,7 @@ class VMWareVMOps(object): """
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
@@ -388,8 +385,7 @@ class VMWareVMOps(object): "VirtualMachine",
"datastore")
if not ds_ref_ret:
- raise exception.NotFound(_("Failed to get the datastore "
- "reference(s) which the VM uses"))
+ raise exception.DatastoreNotFound()
ds_ref = ds_ref_ret.ManagedObjectReference[0]
ds_browser = vim_util.get_dynamic_property(
self._session._get_vim(),
@@ -480,8 +476,7 @@ class VMWareVMOps(object): """Reboot a VM instance."""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
lst_properties = ["summary.guest.toolsStatus", "runtime.powerState",
"summary.guest.toolsRunningStatus"]
props = self._session._call_method(vim_util, "get_object_properties",
@@ -501,8 +496,8 @@ class VMWareVMOps(object): # Raise an exception if the VM is not powered On.
if pwr_state not in ["poweredOn"]:
- raise exception.Invalid(_("instance - %s not poweredOn. So can't "
- "be rebooted.") % instance.name)
+ reason = _("instance is not powered on")
+ raise exception.InstanceRebootFailure(reason=reason)
# If latest vmware tools are installed in the VM, and that the tools
# are running, then only do a guest reboot. Otherwise do a hard reset.
@@ -605,8 +600,7 @@ class VMWareVMOps(object): """Suspend the specified instance."""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
pwr_state = self._session._call_method(vim_util,
"get_dynamic_property", vm_ref,
@@ -620,8 +614,9 @@ class VMWareVMOps(object): LOG.debug(_("Suspended the VM %s ") % instance.name)
# Raise Exception if VM is poweredOff
elif pwr_state == "poweredOff":
- raise exception.Invalid(_("instance - %s is poweredOff and hence "
- " can't be suspended.") % instance.name)
+ reason = _("instance is powered off and can not be suspended.")
+ raise exception.InstanceSuspendFailure(reason=reason)
+
LOG.debug(_("VM %s was already in suspended state. So returning "
"without doing anything") % instance.name)
@@ -629,8 +624,7 @@ class VMWareVMOps(object): """Resume the specified instance."""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
pwr_state = self._session._call_method(vim_util,
"get_dynamic_property", vm_ref,
@@ -643,15 +637,14 @@ class VMWareVMOps(object): self._wait_with_callback(instance.id, suspend_task, callback)
LOG.debug(_("Resumed the VM %s ") % instance.name)
else:
- raise exception.Invalid(_("instance - %s not in Suspended state "
- "and hence can't be Resumed.") % instance.name)
+ reason = _("instance is not in a suspended state")
+ raise exception.InstanceResumeFailure(reason=reason)
def get_info(self, instance_name):
"""Return data about the VM instance."""
vm_ref = self._get_vm_ref_from_the_name(instance_name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance_name)
+ raise exception.InstanceNotFound(instance_id=instance_name)
lst_properties = ["summary.config.numCpu",
"summary.config.memorySizeMB",
@@ -687,8 +680,7 @@ class VMWareVMOps(object): """Return snapshot of console."""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
param_list = {"id": str(vm_ref)}
base_url = "%s://%s/screen?%s" % (self._session._scheme,
self._session._host_ip,
@@ -716,8 +708,7 @@ class VMWareVMOps(object): """
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
- raise exception.NotFound(_("instance - %s not present") %
- instance.name)
+ raise exception.InstanceNotFound(instance_id=instance.id)
network = db.network_get_by_instance(context.get_admin_context(),
instance['id'])
mac_addr = instance.mac_address
diff --git a/nova/virt/xenapi/fake.py b/nova/virt/xenapi/fake.py index 4434dbf0b..e36ef3288 100644 --- a/nova/virt/xenapi/fake.py +++ b/nova/virt/xenapi/fake.py @@ -294,7 +294,7 @@ class Failure(Exception): def __str__(self): try: return str(self.details) - except Exception, exc: + except Exception: return "XenAPI Fake Failure: %s" % str(self.details) def _details_map(self): diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py index d2045a557..c8f342aa8 100644 --- a/nova/virt/xenapi/vm_utils.py +++ b/nova/virt/xenapi/vm_utils.py @@ -28,10 +28,7 @@ import urllib import uuid from xml.dom import minidom -from eventlet import event import glance.client -from nova import context -from nova import db from nova import exception from nova import flags from nova import log as logging @@ -306,7 +303,6 @@ class VMHelper(HelperBase): % locals()) vm_vdi_ref, vm_vdi_rec = cls.get_vdi_for_vm_safely(session, vm_ref) - vm_vdi_uuid = vm_vdi_rec["uuid"] sr_ref = vm_vdi_rec["SR"] original_parent_uuid = get_vhd_parent_uuid(session, vm_vdi_ref) @@ -510,9 +506,7 @@ class VMHelper(HelperBase): try: return glance_disk_format2nova_type[disk_format] except KeyError: - raise exception.NotFound( - _("Unrecognized disk_format '%(disk_format)s'") - % locals()) + raise exception.InvalidDiskFormat(disk_format=disk_format) def determine_from_instance(): if instance.kernel_id: @@ -647,8 +641,7 @@ class VMHelper(HelperBase): if n == 0: return None elif n > 1: - raise exception.Duplicate(_('duplicate name found: %s') % - name_label) + raise exception.InstanceExists(name=name_label) else: return vm_refs[0] @@ -755,14 +748,14 @@ class VMHelper(HelperBase): session.call_xenapi('SR.scan', sr_ref) -def get_rrd(host, uuid): +def get_rrd(host, vm_uuid): """Return the VM RRD XML as a string""" try: xml = urllib.urlopen("http://%s:%s@%s/vm_rrd?uuid=%s" % ( FLAGS.xenapi_connection_username, FLAGS.xenapi_connection_password, host, - uuid)) + vm_uuid)) return xml.read() except IOError: return None @@ -857,7 +850,7 @@ def safe_find_sr(session): """ sr_ref = find_sr(session) if sr_ref is None: - raise exception.NotFound(_('Cannot find SR to read/write VDI')) + raise exception.StorageRepositoryNotFound() return sr_ref @@ -1020,7 +1013,6 @@ def _stream_disk(dev, image_type, virtual_size, image_file): def _write_partition(virtual_size, dev): dest = '/dev/%s' % dev - mbr_last = MBR_SIZE_SECTORS - 1 primary_first = MBR_SIZE_SECTORS primary_last = MBR_SIZE_SECTORS + (virtual_size / SECTOR_SIZE) - 1 diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 7c7aa8e98..808708e8b 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -127,8 +127,7 @@ class VMOps(object): instance_name = instance.name vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is not None: - raise exception.Duplicate(_('Attempted to create' - ' non-unique name %s') % instance_name) + raise exception.InstanceExists(name=instance_name) #ensure enough free memory is available if not VMHelper.ensure_free_mem(self._session, instance): @@ -260,8 +259,7 @@ class VMOps(object): instance_name = instance_or_vm.name vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is None: - raise exception.NotFound( - _('Instance not present %s') % instance_name) + raise exception.InstanceNotFound(instance_id=instance_obj.id) return vm_ref def _acquire_bootlock(self, vm): @@ -387,7 +385,6 @@ class VMOps(object): def link_disks(self, instance, base_copy_uuid, cow_uuid): """Links the base copy VHD to the COW via the XAPI plugin.""" - vm_ref = VMHelper.lookup(self._session, instance.name) new_base_copy_uuid = str(uuid.uuid4()) new_cow_uuid = str(uuid.uuid4()) params = {'instance_id': instance.id, @@ -579,9 +576,8 @@ class VMOps(object): if not (instance.kernel_id and instance.ramdisk_id): # 2. We only have kernel xor ramdisk - raise exception.NotFound( - _("Instance %(instance_id)s has a kernel or ramdisk but not " - "both" % locals())) + raise exception.InstanceUnacceptable(instance_id=instance_id, + reason=_("instance has a kernel or ramdisk but not both")) # 3. We have both kernel and ramdisk (kernel, ramdisk) = VMHelper.lookup_kernel_ramdisk(self._session, @@ -722,8 +718,7 @@ class VMOps(object): "%s-rescue" % instance.name) if not rescue_vm_ref: - raise exception.NotFound(_( - "Instance is not in Rescue Mode: %s" % instance.name)) + raise exception.InstanceNotInRescueMode(instance_id=instance.id) original_vm_ref = VMHelper.lookup(self._session, instance.name) instance._rescue = False @@ -760,7 +755,6 @@ class VMOps(object): instance))) for vm in rescue_vms: - rescue_name = vm["name"] rescue_vm_ref = vm["vm_ref"] self._destroy_rescue_instance(rescue_vm_ref) @@ -798,7 +792,7 @@ class VMOps(object): def _get_network_info(self, instance): """Creates network info list for instance.""" admin_context = context.get_admin_context() - IPs = db.fixed_ip_get_all_by_instance(admin_context, + ips = db.fixed_ip_get_all_by_instance(admin_context, instance['id']) networks = db.network_get_all_by_instance(admin_context, instance['id']) @@ -808,7 +802,7 @@ class VMOps(object): network_info = [] for network in networks: - network_IPs = [ip for ip in IPs if ip.network_id == network.id] + network_ips = [ip for ip in ips if ip.network_id == network.id] def ip_dict(ip): return { @@ -830,7 +824,7 @@ class VMOps(object): 'mac': instance.mac_address, 'rxtx_cap': inst_type['rxtx_cap'], 'dns': [network['dns']], - 'ips': [ip_dict(ip) for ip in network_IPs]} + 'ips': [ip_dict(ip) for ip in network_ips]} if network['cidr_v6']: info['ip6s'] = [ip6_dict()] if network['gateway_v6']: @@ -923,7 +917,7 @@ class VMOps(object): try: ret = self._make_xenstore_call('read_record', vm, path, {'ignore_missing_path': 'True'}) - except self.XenAPI.Failure, e: + except self.XenAPI.Failure: return None ret = json.loads(ret) if ret == "None": diff --git a/nova/virt/xenapi/volumeops.py b/nova/virt/xenapi/volumeops.py index 757ecf5ad..afcb8cf47 100644 --- a/nova/virt/xenapi/volumeops.py +++ b/nova/virt/xenapi/volumeops.py @@ -45,8 +45,7 @@ class VolumeOps(object): # Before we start, check that the VM exists vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is None: - raise exception.NotFound(_('Instance %s not found') - % instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) # NOTE: No Resource Pool concept so far LOG.debug(_("Attach_volume: %(instance_name)s, %(device_path)s," " %(mountpoint)s") % locals()) @@ -98,8 +97,7 @@ class VolumeOps(object): # Before we start, check that the VM exists vm_ref = VMHelper.lookup(self._session, instance_name) if vm_ref is None: - raise exception.NotFound(_('Instance %s not found') - % instance_name) + raise exception.InstanceNotFound(instance_id=instance_name) # Detach VBD from VM LOG.debug(_("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals()) diff --git a/nova/volume/api.py b/nova/volume/api.py index 4b4bb9dc5..09befb647 100644 --- a/nova/volume/api.py +++ b/nova/volume/api.py @@ -103,3 +103,10 @@ class API(base.Base): # TODO(vish): abstract status checking? if volume['status'] == "available": raise exception.ApiError(_("Volume is already detached")) + + def remove_from_compute(self, context, volume_id, host): + """Remove volume from specified compute host.""" + rpc.call(context, + self.db.queue_get_for(context, FLAGS.compute_topic, host), + {"method": "remove_volume", + "args": {'volume_id': volume_id}}) diff --git a/nova/wsgi.py b/nova/wsgi.py index 72758e50e..e60a8820d 100644 --- a/nova/wsgi.py +++ b/nova/wsgi.py @@ -17,9 +17,7 @@ # License for the specific language governing permissions and limitations # under the License. -""" -Utility methods for working with WSGI servers -""" +"""Utility methods for working with WSGI servers.""" import os import sys @@ -33,7 +31,6 @@ import routes.middleware import webob import webob.dec import webob.exc - from paste import deploy from nova import exception @@ -43,6 +40,7 @@ from nova import utils FLAGS = flags.FLAGS +LOG = logging.getLogger('nova.wsgi') class WritableLogger(object): @@ -65,7 +63,7 @@ class Server(object): def start(self, application, port, host='0.0.0.0', backlog=128): """Run a WSGI server with the given application.""" arg0 = sys.argv[0] - logging.audit(_("Starting %(arg0)s on %(host)s:%(port)s") % locals()) + logging.audit(_('Starting %(arg0)s on %(host)s:%(port)s') % locals()) socket = eventlet.listen((host, port), backlog=backlog) self.pool.spawn_n(self._run, application, socket) @@ -86,30 +84,34 @@ class Server(object): class Request(webob.Request): def best_match_content_type(self): - """ - Determine the most acceptable content-type based on the - query extension then the Accept header - """ + """Determine the most acceptable content-type. - parts = self.path.rsplit(".", 1) + Based on the query extension then the Accept header. + + """ + parts = self.path.rsplit('.', 1) if len(parts) > 1: format = parts[1] - if format in ["json", "xml"]: - return "application/{0}".format(parts[1]) + if format in ['json', 'xml']: + return 'application/{0}'.format(parts[1]) - ctypes = ["application/json", "application/xml"] + ctypes = ['application/json', 'application/xml'] bm = self.accept.best_match(ctypes) - return bm or "application/json" + return bm or 'application/json' def get_content_type(self): - try: - ct = self.headers["Content-Type"] - assert ct in ("application/xml", "application/json") - return ct - except Exception: - raise webob.exc.HTTPBadRequest("Invalid content type") + allowed_types = ("application/xml", "application/json") + if not "Content-Type" in self.headers: + msg = _("Missing Content-Type") + LOG.debug(msg) + raise webob.exc.HTTPBadRequest(msg) + type = self.content_type + if type in allowed_types: + return type + LOG.debug(_("Wrong Content-Type: %s") % type) + raise webob.exc.HTTPBadRequest("Invalid content type") class Application(object): @@ -117,7 +119,7 @@ class Application(object): @classmethod def factory(cls, global_config, **local_config): - """Used for paste app factories in paste.deploy config fles. + """Used for paste app factories in paste.deploy config files. Any local configuration (that is, values under the [app:APPNAME] section of the paste config) will be passed into the `__init__` method @@ -172,8 +174,9 @@ class Application(object): See the end of http://pythonpaste.org/webob/modules/dec.html for more info. + """ - raise NotImplementedError(_("You must implement __call__")) + raise NotImplementedError(_('You must implement __call__')) class Middleware(Application): @@ -183,11 +186,12 @@ class Middleware(Application): initialized that will be called next. By default the middleware will simply call its wrapped app, or you can override __call__ to customize its behavior. + """ @classmethod def factory(cls, global_config, **local_config): - """Used for paste app factories in paste.deploy config fles. + """Used for paste app factories in paste.deploy config files. Any local configuration (that is, values under the [filter:APPNAME] section of the paste config) will be passed into the `__init__` method @@ -239,20 +243,24 @@ class Middleware(Application): class Debug(Middleware): - """Helper class that can be inserted into any WSGI application chain - to get information about the request and response.""" + """Helper class for debugging a WSGI application. + + Can be inserted into any WSGI application chain to get information + about the request and response. + + """ @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): - print ("*" * 40) + " REQUEST ENVIRON" + print ('*' * 40) + ' REQUEST ENVIRON' for key, value in req.environ.items(): - print key, "=", value + print key, '=', value print resp = req.get_response(self.application) - print ("*" * 40) + " RESPONSE HEADERS" + print ('*' * 40) + ' RESPONSE HEADERS' for (key, value) in resp.headers.iteritems(): - print key, "=", value + print key, '=', value print resp.app_iter = self.print_generator(resp.app_iter) @@ -261,11 +269,8 @@ class Debug(Middleware): @staticmethod def print_generator(app_iter): - """ - Iterator that prints the contents of a wrapper string iterator - when iterated. - """ - print ("*" * 40) + " BODY" + """Iterator that prints the contents of a wrapper string.""" + print ('*' * 40) + ' BODY' for part in app_iter: sys.stdout.write(part) sys.stdout.flush() @@ -274,13 +279,10 @@ class Debug(Middleware): class Router(object): - """ - WSGI middleware that maps incoming requests to WSGI apps. - """ + """WSGI middleware that maps incoming requests to WSGI apps.""" def __init__(self, mapper): - """ - Create a router for the given routes.Mapper. + """Create a router for the given routes.Mapper. Each route in `mapper` must specify a 'controller', which is a WSGI app to call. You'll probably want to specify an 'action' as @@ -292,15 +294,16 @@ class Router(object): sc = ServerController() # Explicit mapping of one route to a controller+action - mapper.connect(None, "/svrlist", controller=sc, action="list") + mapper.connect(None, '/svrlist', controller=sc, action='list') # Actions are all implicitly defined - mapper.resource("server", "servers", controller=sc) + mapper.resource('server', 'servers', controller=sc) # Pointing to an arbitrary WSGI app. You can specify the # {path_info:.*} parameter so the target app can be handed just that # section of the URL. - mapper.connect(None, "/v1.0/{path_info:.*}", controller=BlogApp()) + mapper.connect(None, '/v1.0/{path_info:.*}', controller=BlogApp()) + """ self.map = mapper self._router = routes.middleware.RoutesMiddleware(self._dispatch, @@ -308,19 +311,22 @@ class Router(object): @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): - """ - Route the incoming request to a controller based on self.map. + """Route the incoming request to a controller based on self.map. + If no match, return a 404. + """ return self._router @staticmethod @webob.dec.wsgify(RequestClass=Request) def _dispatch(req): - """ + """Dispatch the request to the appropriate controller. + Called by self._router after matching the incoming request to a route and putting the information into req.environ. Either returns 404 or the routed WSGI app's response. + """ match = req.environ['wsgiorg.routing_args'][1] if not match: @@ -330,22 +336,23 @@ class Router(object): class Controller(object): - """ + """WSGI app that dispatched to methods. + WSGI app that reads routing information supplied by RoutesMiddleware and calls the requested action method upon itself. All action methods must, in addition to their normal parameters, accept a 'req' argument which is the incoming wsgi.Request. They raise a webob.exc exception, or return a dict which will be serialized by requested content type. + """ @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): - """ - Call the method specified in req.environ by RoutesMiddleware. - """ + """Call the method specified in req.environ by RoutesMiddleware.""" arg_dict = req.environ['wsgiorg.routing_args'][1] action = arg_dict['action'] method = getattr(self, action) + LOG.debug("%s %s" % (req.method, req.url)) del arg_dict['controller'] del arg_dict['action'] if 'format' in arg_dict: @@ -359,19 +366,23 @@ class Controller(object): body = self._serialize(result, content_type, default_xmlns) response = webob.Response() - response.headers["Content-Type"] = content_type + response.headers['Content-Type'] = content_type response.body = body + msg_dict = dict(url=req.url, status=response.status_int) + msg = _("%(url)s returned with HTTP %(status)d") % msg_dict + LOG.debug(msg) return response else: return result def _serialize(self, data, content_type, default_xmlns): - """ - Serialize the given dict to the provided content_type. + """Serialize the given dict to the provided content_type. + Uses self._serialization_metadata if it exists, which is a dict mapping MIME types to information needed to serialize to that type. + """ - _metadata = getattr(type(self), "_serialization_metadata", {}) + _metadata = getattr(type(self), '_serialization_metadata', {}) serializer = Serializer(_metadata, default_xmlns) try: @@ -380,12 +391,13 @@ class Controller(object): raise webob.exc.HTTPNotAcceptable() def _deserialize(self, data, content_type): - """ - Deserialize the request body to the specefied content type. + """Deserialize the request body to the specefied content type. + Uses self._serialization_metadata if it exists, which is a dict mapping MIME types to information needed to serialize to that type. + """ - _metadata = getattr(type(self), "_serialization_metadata", {}) + _metadata = getattr(type(self), '_serialization_metadata', {}) serializer = Serializer(_metadata) return serializer.deserialize(data, content_type) @@ -395,55 +407,51 @@ class Controller(object): class Serializer(object): - """ - Serializes and deserializes dictionaries to certain MIME types. - """ + """Serializes and deserializes dictionaries to certain MIME types.""" def __init__(self, metadata=None, default_xmlns=None): - """ - Create a serializer based on the given WSGI environment. + """Create a serializer based on the given WSGI environment. + 'metadata' is an optional dict mapping MIME types to information needed to serialize a dictionary to that type. + """ self.metadata = metadata or {} self.default_xmlns = default_xmlns def _get_serialize_handler(self, content_type): handlers = { - "application/json": self._to_json, - "application/xml": self._to_xml, + 'application/json': self._to_json, + 'application/xml': self._to_xml, } try: return handlers[content_type] except Exception: - raise exception.InvalidContentType() + raise exception.InvalidContentType(content_type=content_type) def serialize(self, data, content_type): - """ - Serialize a dictionary into a string of the specified content type. - """ + """Serialize a dictionary into the specified content type.""" return self._get_serialize_handler(content_type)(data) def deserialize(self, datastring, content_type): - """ - Deserialize a string to a dictionary. + """Deserialize a string to a dictionary. The string must be in the format of a supported MIME type. + """ return self.get_deserialize_handler(content_type)(datastring) def get_deserialize_handler(self, content_type): handlers = { - "application/json": self._from_json, - "application/xml": self._from_xml, + 'application/json': self._from_json, + 'application/xml': self._from_xml, } try: return handlers[content_type] except Exception: - raise exception.InvalidContentType(_("Invalid content type %s" - % content_type)) + raise exception.InvalidContentType(content_type=content_type) def _from_json(self, datastring): return utils.loads(datastring) @@ -455,11 +463,11 @@ class Serializer(object): return {node.nodeName: self._from_xml_node(node, plurals)} def _from_xml_node(self, node, listnames): - """ - Convert a minidom node to a simple Python type. + """Convert a minidom node to a simple Python type. listnames is a collection of names of XML nodes whose subnodes should be considered list items. + """ if len(node.childNodes) == 1 and node.childNodes[0].nodeType == 3: return node.childNodes[0].nodeValue @@ -566,7 +574,6 @@ def paste_config_file(basename): * /etc/nova, which may not be diffrerent from state_path on your distro """ - configfiles = [basename, os.path.join(FLAGS.state_path, 'etc', 'nova', basename), os.path.join(FLAGS.state_path, 'etc', basename), @@ -582,7 +589,7 @@ def load_paste_configuration(filename, appname): filename = os.path.abspath(filename) config = None try: - config = deploy.appconfig("config:%s" % filename, name=appname) + config = deploy.appconfig('config:%s' % filename, name=appname) except LookupError: pass return config @@ -593,7 +600,7 @@ def load_paste_app(filename, appname): filename = os.path.abspath(filename) app = None try: - app = deploy.loadapp("config:%s" % filename, name=appname) + app = deploy.loadapp('config:%s' % filename, name=appname) except LookupError: pass return app diff --git a/run_tests.sh b/run_tests.sh index 8f4d37cd4..610cf1f27 100755 --- a/run_tests.sh +++ b/run_tests.sh @@ -7,6 +7,7 @@ function usage { echo " -V, --virtual-env Always use virtualenv. Install automatically if not present" echo " -N, --no-virtual-env Don't use virtualenv. Run tests in local environment" echo " -f, --force Force a clean re-build of the virtual environment. Useful when dependencies have been added." + echo " -p, --pep8 Just run pep8" echo " -h, --help Print this usage message" echo "" echo "Note: with no options specified, the script will try to run the tests in a virtual environment," @@ -21,6 +22,7 @@ function process_option { -V|--virtual-env) let always_venv=1; let never_venv=0;; -N|--no-virtual-env) let always_venv=0; let never_venv=1;; -f|--force) let force=1;; + -p|--pep8) let just_pep8=1;; *) noseargs="$noseargs $1" esac } @@ -32,6 +34,7 @@ never_venv=0 force=0 noseargs= wrapper="" +just_pep8=0 for arg in "$@"; do process_option $arg @@ -53,6 +56,18 @@ function run_tests { return $RESULT } +function run_pep8 { + echo "Running pep8 ..." + srcfiles=`find bin -type f ! -name "nova.conf*"` + srcfiles+=" nova setup.py plugins/xenserver/xenapi/etc/xapi.d/plugins/glance" + pep8 --repeat --show-pep8 --show-source --exclude=vcsversion.py ${srcfiles} +} + +if [ $just_pep8 -eq 1 ]; then + run_pep8 + exit +fi + NOSETESTS="python run_tests.py $noseargs" if [ $never_venv -eq 0 ] @@ -81,11 +96,9 @@ then fi fi -if [ -z "$noseargs" ]; -then - srcfiles=`find bin -type f ! -name "nova.conf*"` - srcfiles+=" nova setup.py plugins/xenserver/xenapi/etc/xapi.d/plugins/glance" - run_tests && pep8 --repeat --show-pep8 --show-source --exclude=vcsversion.py ${srcfiles} || exit 1 -else - run_tests +run_tests || exit + +# Also run pep8 if no options were provided. +if [ -z "$noseargs" ]; then + run_pep8 fi @@ -16,6 +16,7 @@ # License for the specific language governing permissions and limitations # under the License. +import gettext import glob import os import subprocess @@ -24,15 +25,20 @@ import sys from setuptools import find_packages from setuptools.command.sdist import sdist +# In order to run the i18n commands for compiling and +# installing message catalogs, we use DistUtilsExtra. +# Don't make this a hard requirement, but warn that +# i18n commands won't be available if DistUtilsExtra is +# not installed... try: - import DistUtilsExtra.auto + from DistUtilsExtra.auto import setup except ImportError: - print >> sys.stderr, 'To build nova you need '\ - 'https://launchpad.net/python-distutils-extra' - sys.exit(1) -assert DistUtilsExtra.auto.__version__ >= '2.18',\ - 'needs DistUtilsExtra.auto >= 2.18' + from setuptools import setup + print "Warning: DistUtilsExtra required to use i18n builders. " + print "To build nova with support for message catalogs, you need " + print " https://launchpad.net/python-distutils-extra >= 2.18" +gettext.install('nova', unicode=1) from nova.utils import parse_mailmap, str_dict_replace from nova import version @@ -100,7 +106,7 @@ def find_data_files(destdir, srcdir): package_data += [(destdir, files)] return package_data -DistUtilsExtra.auto.setup(name='nova', +setup(name='nova', version=version.canonical_version_string(), description='cloud computing fabric controller', author='OpenStack', diff --git a/tools/esx/guest_tool.py b/tools/esx/guest_tool.py index bbf3ea908..13b0f8d33 100644 --- a/tools/esx/guest_tool.py +++ b/tools/esx/guest_tool.py @@ -209,7 +209,7 @@ def _execute(cmd_list, process_input=None, check_exit_code=True): obj = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
result = None
- if process_input != None:
+ if process_input is not None:
result = obj.communicate(process_input)
else:
result = obj.communicate()
diff --git a/tools/pip-requires b/tools/pip-requires index 6ea446493..2f4136732 100644 --- a/tools/pip-requires +++ b/tools/pip-requires @@ -17,7 +17,6 @@ redis==2.0.0 routes==1.12.3 WebOb==0.9.8 wsgiref==0.1.2 -zope.interface==3.6.1 mox==0.5.0 -f http://pymox.googlecode.com/files/mox-0.5.0.tar.gz greenlet==0.3.1 |