From c9b4bf8f3eb3bdb51b51b98b6f283415229c2e0e Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 30 May 2011 11:02:55 -0700 Subject: first pass at reservation id support --- nova/api/openstack/zones.py | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 29b7b2279..7b495cecf 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -114,6 +114,13 @@ class Controller(common.OpenstackController): zone = api.zone_update(context, zone_id, env["zone"]) return dict(zone=_scrub_zone(zone)) + def boot(self, req): + """Creates a new server for a given user while being Zone aware.""" + reservation_id = \ + common.create(req, self.compute_api.create_all_at_once) + + return {'reservation': {'reservation_id': reservation_id}} + @check_encryption_key def select(self, req): """Returns a weighted list of costs to create instances -- cgit From d428a8e4f9dc5291cae105e13a02e993cca19350 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 30 May 2011 15:38:29 -0700 Subject: regular boot working again --- nova/api/openstack/__init__.py | 7 +- nova/api/openstack/common.py | 3 +- nova/api/openstack/servers.py | 233 ++--------------------------------------- nova/api/openstack/zones.py | 22 +++- nova/compute/api.py | 20 ++-- 5 files changed, 47 insertions(+), 238 deletions(-) diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index ce9e0b7ed..6862abd39 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -98,8 +98,11 @@ class APIRouter(wsgi.Router): server_members['inject_network_info'] = 'POST' mapper.resource("zone", "zones", controller=zones.Controller(), - collection={'detail': 'GET', 'info': 'GET', - 'select': 'POST'}) + collection={'detail': 'GET', + 'info': 'GET', + 'select': 'POST', + 'boot': 'POST' + }) mapper.resource("user", "users", controller=users.Controller(), collection={'detail': 'GET'}) diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py index 32cd689ca..32a948f2d 100644 --- a/nova/api/openstack/common.py +++ b/nova/api/openstack/common.py @@ -23,12 +23,11 @@ import webob from nova import exception from nova import flags from nova import log as logging +from nova import utils from nova import wsgi LOG = logging.getLogger('nova.api.openstack.common') - - FLAGS = flags.FLAGS diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 0ffb66763..cbf284d60 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -23,16 +23,15 @@ from nova import compute from nova import exception from nova import flags from nova import log as logging -from nova import quota from nova import utils from nova.api.openstack import common +from nova.api.openstack import create_instance_controller as controller from nova.api.openstack import faults import nova.api.openstack.views.addresses import nova.api.openstack.views.flavors import nova.api.openstack.views.images import nova.api.openstack.views.servers from nova.auth import manager as auth_manager -from nova.compute import instance_types import nova.api.openstack from nova.scheduler import api as scheduler_api @@ -41,7 +40,7 @@ LOG = logging.getLogger('nova.api.openstack.servers') FLAGS = flags.FLAGS -class Controller(common.OpenstackController): +class Controller(controller.OpenstackCreateInstanceController): """ The Server API controller for the OpenStack API """ _serialization_metadata = { @@ -64,7 +63,6 @@ class Controller(common.OpenstackController): def __init__(self): self.compute_api = compute.API() - self._image_service = utils.import_object(FLAGS.image_service) super(Controller, self).__init__() def index(self, req): @@ -124,89 +122,18 @@ class Controller(common.OpenstackController): def create(self, req): """ Creates a new server for a given user """ - env = self._deserialize_create(req) - if not env: - return faults.Fault(exc.HTTPUnprocessableEntity()) - - 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) - if key_pairs: - key_pair = key_pairs[0] - key_name = key_pair['name'] - key_data = key_pair['public_key'] - - requested_image_id = self._image_id_from_req_data(env) - 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) - - personality = env['server'].get('personality') - injected_files = [] - if personality: - injected_files = self._get_injected_files(personality) - - flavor_id = self._flavor_id_from_req_data(env) - - if not 'name' in env['server']: - msg = _("Server name is not defined") - return exc.HTTPBadRequest(msg) - - zone_blob = env['server'].get('blob') - name = env['server']['name'] - self._validate_server_name(name) - name = name.strip() - - try: - inst_type = \ - instance_types.get_instance_type_by_flavor_id(flavor_id) - (inst,) = self.compute_api.create( - context, - inst_type, - image_id, - kernel_id=kernel_id, - ramdisk_id=ramdisk_id, - display_name=name, - display_description=name, - key_name=key_name, - key_data=key_data, - metadata=env['server'].get('metadata', {}), - injected_files=injected_files, - admin_password=password, - zone_blob=zone_blob) - except quota.QuotaError as error: - self._handle_quota_error(error) - - inst['instance_type'] = inst_type - inst['image_id'] = requested_image_id + extra_values, instances = \ + self.create_instance(req, self.compute_api.create) + (inst, ) = instances + for key in ['instance_type', 'image_id']: + inst[key] = extra_values[key] + builder = self._get_view_builder(req) server = builder.build(inst, is_detail=True) - server['server']['adminPass'] = password + server['server']['adminPass'] = extra_values['password'] return server - def _deserialize_create(self, request): - """ - Deserialize a create request - - Overrides normal behavior in the case of xml content - """ - if request.content_type == "application/xml": - deserializer = ServerCreateRequestXMLDeserializer() - return deserializer.deserialize(request.body) - else: - return self._deserialize(request.body, request.get_content_type()) - def _get_injected_files(self, personality): """ Create a list of injected files from the personality attribute @@ -235,22 +162,6 @@ class Controller(common.OpenstackController): injected_files.append((path, contents)) return injected_files - def _handle_quota_error(self, error): - """ - Reraise quota errors as api-specific http exceptions - """ - if error.code == "OnsetFileLimitExceeded": - expl = _("Personality file limit exceeded") - raise exc.HTTPBadRequest(explanation=expl) - if error.code == "OnsetFilePathLimitExceeded": - expl = _("Personality file path too long") - raise exc.HTTPBadRequest(explanation=expl) - if error.code == "OnsetFileContentLimitExceeded": - expl = _("Personality file content too long") - raise exc.HTTPBadRequest(explanation=expl) - # 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) @@ -552,45 +463,6 @@ class Controller(common.OpenstackController): error=item.error)) return dict(actions=actions) - def _get_kernel_ramdisk_from_image(self, req, image_id): - """Fetch an image from the ImageService, then if present, return the - associated kernel and ramdisk image IDs. - """ - context = req.environ['nova.context'] - image_meta = self._image_service.show(context, image_id) - # NOTE(sirp): extracted to a separate method to aid unit-testing, the - # new method doesn't need a request obj or an ImageService stub - kernel_id, ramdisk_id = self._do_get_kernel_ramdisk_from_image( - image_meta) - return kernel_id, ramdisk_id - - @staticmethod - def _do_get_kernel_ramdisk_from_image(image_meta): - """Given an ImageService image_meta, return kernel and ramdisk image - ids if present. - - This is only valid for `ami` style images. - """ - image_id = image_meta['id'] - if image_meta['status'] != 'active': - raise exception.ImageUnacceptable(image_id=image_id, - reason=_("status is not active")) - - if image_meta.get('container_format') != 'ami': - return None, None - - try: - kernel_id = image_meta['properties']['kernel_id'] - except KeyError: - raise exception.KernelNotFoundForImage(image_id=image_id) - - try: - ramdisk_id = image_meta['properties']['ramdisk_id'] - except KeyError: - raise exception.RamdiskNotFoundForImage(image_id=image_id) - - return kernel_id, ramdisk_id - class ControllerV10(Controller): def _image_id_from_req_data(self, data): @@ -727,92 +599,5 @@ class ControllerV11(Controller): response.empty_body = True return response - 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 - - -class ServerCreateRequestXMLDeserializer(object): - """ - Deserializer to handle xml-formatted server create requests. - - Handles standard server attributes as well as optional metadata - and personality attributes - """ - - def deserialize(self, string): - """Deserialize an xml-formatted server create request""" - dom = minidom.parseString(string) - server = self._extract_server(dom) - return {'server': server} - - def _extract_server(self, node): - """Marshal the server attribute of a parsed request""" - server = {} - server_node = self._find_first_child_named(node, 'server') - for attr in ["name", "imageId", "flavorId", "imageRef", "flavorRef"]: - if server_node.getAttribute(attr): - server[attr] = server_node.getAttribute(attr) - metadata = self._extract_metadata(server_node) - if metadata is not None: - server["metadata"] = metadata - personality = self._extract_personality(server_node) - if personality is not None: - server["personality"] = personality - return server - - def _extract_metadata(self, server_node): - """Marshal the metadata attribute of a parsed request""" - metadata_node = self._find_first_child_named(server_node, "metadata") - if metadata_node is None: - return None - metadata = {} - for meta_node in self._find_children_named(metadata_node, "meta"): - key = meta_node.getAttribute("key") - metadata[key] = self._extract_text(meta_node) - return metadata - - def _extract_personality(self, server_node): - """Marshal the personality attribute of a parsed request""" - personality_node = \ - self._find_first_child_named(server_node, "personality") - if personality_node is None: - return None - personality = [] - for file_node in self._find_children_named(personality_node, "file"): - item = {} - if file_node.hasAttribute("path"): - item["path"] = file_node.getAttribute("path") - item["contents"] = self._extract_text(file_node) - personality.append(item) - return personality - - def _find_first_child_named(self, parent, name): - """Search a nodes children for the first child with a given name""" - for node in parent.childNodes: - if node.nodeName == name: - return node - return None - - def _find_children_named(self, parent, name): - """Return all of a nodes children who have the given name""" - for node in parent.childNodes: - if node.nodeName == name: - yield node - - def _extract_text(self, node): - """Get the text field contained by the given node""" - if len(node.childNodes) == 1: - child = node.childNodes[0] - if child.nodeType == child.TEXT_NODE: - return child.nodeValue - return "" diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 7b495cecf..51ce315dc 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -21,7 +21,7 @@ from nova import db from nova import exception from nova import flags from nova import log as logging -from nova.api.openstack import common +from nova.api.openstack import create_instance_controller as controller from nova.scheduler import api @@ -57,7 +57,7 @@ def check_encryption_key(func): return wrapped -class Controller(common.OpenstackController): +class Controller(controller.OpenstackCreateInstanceController): _serialization_metadata = { 'application/xml': { @@ -97,17 +97,20 @@ class Controller(common.OpenstackController): return dict(zone=_scrub_zone(zone)) def delete(self, req, id): + """Delete a child zone entry.""" zone_id = int(id) api.zone_delete(req.environ['nova.context'], zone_id) return {} def create(self, req): + """Create a child zone entry.""" context = req.environ['nova.context'] env = self._deserialize(req.body, req.get_content_type()) zone = api.zone_create(context, env["zone"]) return dict(zone=_scrub_zone(zone)) def update(self, req, id): + """Update a child zone entry.""" context = req.environ['nova.context'] env = self._deserialize(req.body, req.get_content_type()) zone_id = int(id) @@ -115,11 +118,14 @@ class Controller(common.OpenstackController): return dict(zone=_scrub_zone(zone)) def boot(self, req): - """Creates a new server for a given user while being Zone aware.""" + """Creates a new server for a given user while being Zone aware. + + Returns a reservation ID (a UUID). + """ reservation_id = \ common.create(req, self.compute_api.create_all_at_once) - return {'reservation': {'reservation_id': reservation_id}} + return {'reservation_id': reservation_id} @check_encryption_key def select(self, req): @@ -144,3 +150,11 @@ class Controller(common.OpenstackController): cooked.append(dict(weight=entry['weight'], blob=cipher_text)) return cooked + + # Assume OS 1.0 functionality for these overrides. + + def _image_id_from_req_data(self, data): + return data['server']['imageId'] + + def _flavor_id_from_req_data(self, data): + return data['server']['flavorId'] diff --git a/nova/compute/api.py b/nova/compute/api.py index 52cff3d56..fc369ccd2 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -140,7 +140,8 @@ class API(base.Base): display_name='', display_description='', key_name=None, key_data=None, security_group='default', availability_zone=None, user_data=None, metadata={}, - injected_files=None, admin_password=None, zone_blob=None): + injected_files=None, admin_password=None, zone_blob=None, + reservation_id=None): """Verify all the input parameters regardless of the provisioning strategy being performed.""" @@ -205,8 +206,11 @@ class API(base.Base): key_pair = db.key_pair_get(context, context.user_id, key_name) key_data = key_pair['public_key'] + if reservation_id is None: + reservation_id = utils.generate_uid('r') + base_options = { - 'reservation_id': utils.generate_uid('r'), + 'reservation_id': reservation_id, 'image_id': image_id, 'kernel_id': kernel_id or '', 'ramdisk_id': ramdisk_id or '', @@ -305,7 +309,8 @@ class API(base.Base): display_name='', display_description='', key_name=None, key_data=None, security_group='default', availability_zone=None, user_data=None, metadata={}, - injected_files=None, admin_password=None, zone_blob=None): + injected_files=None, admin_password=None, zone_blob=None, + reservation_id=None): """Provision the instances by passing the whole request to the Scheduler for execution. Returns a Reservation ID related to the creation of all of these instances.""" @@ -317,7 +322,8 @@ class API(base.Base): display_name, display_description, key_name, key_data, security_group, availability_zone, user_data, metadata, - injected_files, admin_password, zone_blob) + injected_files, admin_password, zone_blob, + reservation_id) self._ask_scheduler_to_create_instance(context, base_options, instance_type, zone_blob, @@ -333,7 +339,8 @@ class API(base.Base): display_name='', display_description='', key_name=None, key_data=None, security_group='default', availability_zone=None, user_data=None, metadata={}, - injected_files=None, admin_password=None, zone_blob=None): + injected_files=None, admin_password=None, zone_blob=None, + reservation_id=None): """ Provision the instances by sending off a series of single instance requests to the Schedulers. This is fine for trival @@ -351,7 +358,8 @@ class API(base.Base): display_name, display_description, key_name, key_data, security_group, availability_zone, user_data, metadata, - injected_files, admin_password, zone_blob) + injected_files, admin_password, zone_blob, + reservation_id) instances = [] LOG.debug(_("Going to run %s instances..."), num_instances) -- cgit From 318e307c268bb554d24ba441b2484790f2a08798 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 30 May 2011 15:38:45 -0700 Subject: regular boot working again --- nova/api/openstack/create_instance_controller.py | 291 +++++++++++++++++++++++ 1 file changed, 291 insertions(+) create mode 100644 nova/api/openstack/create_instance_controller.py diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py new file mode 100644 index 000000000..52c1e444e --- /dev/null +++ b/nova/api/openstack/create_instance_controller.py @@ -0,0 +1,291 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 OpenStack LLC. +# All Rights Reserved. +# +# 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. + +import re +from urlparse import urlparse +from webob import exc +from xml.dom import minidom + +import webob + +from nova import exception +from nova import flags +from nova import log as logging +from nova import quota +from nova import utils +from nova import wsgi + +from nova.compute import instance_types +from nova.api.openstack import common +from nova.api.openstack import faults +from nova.auth import manager as auth_manager + + +LOG = logging.getLogger('nova.api.openstack.create_instance_controller') +FLAGS = flags.FLAGS + + +class OpenstackCreateInstanceController(common.OpenstackController): + """This is the base class for OS API Controllers that + are capable of creating instances (currently Servers and Zones). + + Once we stabilize the Zones portion of the API we may be able + to move this code back into servers.py + """ + + def __init__(self): + """We need the image service to create an instance.""" + self._image_service = utils.import_object(FLAGS.image_service) + super(OpenstackCreateInstanceController, self).__init__() + + def create_instance(self, req, create_method): + """Creates a new server for the given user. The approach + used depends on the create_method. For example, the standard + POST /server call uses compute.api.create(), while + POST /zones/server uses compute.api.create_all_at_once(). + + The problem is, both approaches return different values (i.e. + [instance dicts] vs. reservation_id). So the handling of the + return type from this method is left to the caller. + """ + env = self._deserialize_create(req) + if not env: + return faults.Fault(exc.HTTPUnprocessableEntity()) + + 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) + if key_pairs: + key_pair = key_pairs[0] + key_name = key_pair['name'] + key_data = key_pair['public_key'] + + requested_image_id = self._image_id_from_req_data(env) + 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) + + personality = env['server'].get('personality') + injected_files = [] + if personality: + injected_files = self._get_injected_files(personality) + + flavor_id = self._flavor_id_from_req_data(env) + + if not 'name' in env['server']: + msg = _("Server name is not defined") + return exc.HTTPBadRequest(msg) + + zone_blob = env['server'].get('blob') + reservation_id = env['server'].get('reservation_id') + name = env['server']['name'] + self._validate_server_name(name) + name = name.strip() + + inst_type = instance_types.get_instance_type_by_flavor_id(flavor_id) + extra_values = { + 'instance_type': inst_type, + 'image_id': requested_image_id, + 'password': password + } + + try: + return (extra_values, + create_method(context, + inst_type, + image_id, + kernel_id=kernel_id, + ramdisk_id=ramdisk_id, + display_name=name, + display_description=name, + key_name=key_name, + key_data=key_data, + metadata=env['server'].get('metadata', {}), + injected_files=injected_files, + admin_password=password, + zone_blob=zone_blob, + reservation_id=reservation_id + ) + ) + except quota.QuotaError as error: + self._handle_quota_error(error) + + # Let the caller deal with unhandled exceptions. + + def _handle_quota_error(self, error): + """ + Reraise quota errors as api-specific http exceptions + """ + if error.code == "OnsetFileLimitExceeded": + expl = _("Personality file limit exceeded") + raise exc.HTTPBadRequest(explanation=expl) + if error.code == "OnsetFilePathLimitExceeded": + expl = _("Personality file path too long") + raise exc.HTTPBadRequest(explanation=expl) + if error.code == "OnsetFileContentLimitExceeded": + expl = _("Personality file content too long") + raise exc.HTTPBadRequest(explanation=expl) + # if the original error is okay, just reraise it + raise error + + def _deserialize_create(self, request): + """ + Deserialize a create request + + Overrides normal behavior in the case of xml content + """ + if request.content_type == "application/xml": + deserializer = ServerCreateRequestXMLDeserializer() + return deserializer.deserialize(request.body) + else: + return self._deserialize(request.body, request.get_content_type()) + + 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_kernel_ramdisk_from_image(self, req, image_id): + """Fetch an image from the ImageService, then if present, return the + associated kernel and ramdisk image IDs. + """ + context = req.environ['nova.context'] + image_meta = self._image_service.show(context, image_id) + # NOTE(sirp): extracted to a separate method to aid unit-testing, the + # new method doesn't need a request obj or an ImageService stub + kernel_id, ramdisk_id = self._do_get_kernel_ramdisk_from_image( + image_meta) + return kernel_id, ramdisk_id + + @staticmethod + def _do_get_kernel_ramdisk_from_image(image_meta): + """Given an ImageService image_meta, return kernel and ramdisk image + ids if present. + + This is only valid for `ami` style images. + """ + image_id = image_meta['id'] + if image_meta['status'] != 'active': + raise exception.ImageUnacceptable(image_id=image_id, + reason=_("status is not active")) + + if image_meta.get('container_format') != 'ami': + return None, None + + try: + kernel_id = image_meta['properties']['kernel_id'] + except KeyError: + raise exception.KernelNotFoundForImage(image_id=image_id) + + try: + ramdisk_id = image_meta['properties']['ramdisk_id'] + except KeyError: + raise exception.RamdiskNotFoundForImage(image_id=image_id) + + return kernel_id, ramdisk_id + + +class ServerCreateRequestXMLDeserializer(object): + """ + Deserializer to handle xml-formatted server create requests. + + Handles standard server attributes as well as optional metadata + and personality attributes + """ + + def deserialize(self, string): + """Deserialize an xml-formatted server create request""" + dom = minidom.parseString(string) + server = self._extract_server(dom) + return {'server': server} + + def _extract_server(self, node): + """Marshal the server attribute of a parsed request""" + server = {} + server_node = self._find_first_child_named(node, 'server') + for attr in ["name", "imageId", "flavorId", "imageRef", "flavorRef"]: + if server_node.getAttribute(attr): + server[attr] = server_node.getAttribute(attr) + metadata = self._extract_metadata(server_node) + if metadata is not None: + server["metadata"] = metadata + personality = self._extract_personality(server_node) + if personality is not None: + server["personality"] = personality + return server + + def _extract_metadata(self, server_node): + """Marshal the metadata attribute of a parsed request""" + metadata_node = self._find_first_child_named(server_node, "metadata") + if metadata_node is None: + return None + metadata = {} + for meta_node in self._find_children_named(metadata_node, "meta"): + key = meta_node.getAttribute("key") + metadata[key] = self._extract_text(meta_node) + return metadata + + def _extract_personality(self, server_node): + """Marshal the personality attribute of a parsed request""" + personality_node = \ + self._find_first_child_named(server_node, "personality") + if personality_node is None: + return None + personality = [] + for file_node in self._find_children_named(personality_node, "file"): + item = {} + if file_node.hasAttribute("path"): + item["path"] = file_node.getAttribute("path") + item["contents"] = self._extract_text(file_node) + personality.append(item) + return personality + + def _find_first_child_named(self, parent, name): + """Search a nodes children for the first child with a given name""" + for node in parent.childNodes: + if node.nodeName == name: + return node + return None + + def _find_children_named(self, parent, name): + """Return all of a nodes children who have the given name""" + for node in parent.childNodes: + if node.nodeName == name: + yield node + + def _extract_text(self, node): + """Get the text field contained by the given node""" + if len(node.childNodes) == 1: + child = node.childNodes[0] + if child.nodeType == child.TEXT_NODE: + return child.nodeValue + return "" -- cgit From 544ec189a7fddc4b4491774b62071a4884e8e895 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 30 May 2011 16:18:11 -0700 Subject: zone-boot working --- nova/api/openstack/create_instance_controller.py | 15 +++++++++++++++ nova/api/openstack/servers.py | 15 --------------- nova/api/openstack/zones.py | 12 +++++++++--- 3 files changed, 24 insertions(+), 18 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 52c1e444e..1c4098a08 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -52,6 +52,12 @@ class OpenstackCreateInstanceController(common.OpenstackController): self._image_service = utils.import_object(FLAGS.image_service) super(OpenstackCreateInstanceController, self).__init__() + def _image_id_from_req_data(self, data): + raise NotImplementedError() + + def _flavor_id_from_req_data(self, data): + raise NotImplementedError() + def create_instance(self, req, create_method): """Creates a new server for the given user. The approach used depends on the create_method. For example, the standard @@ -164,6 +170,15 @@ class OpenstackCreateInstanceController(common.OpenstackController): else: return self._deserialize(request.body, request.get_content_type()) + def _validate_server_name(self, value): + if not isinstance(value, basestring): + msg = _("Server name is not a string or unicode") + raise exc.HTTPBadRequest(msg) + + if value.strip() == '': + msg = _("Server name is an empty string") + raise exc.HTTPBadRequest(msg) + def _get_server_admin_password(self, server): """ Determine the admin password for a server on creation """ password = server.get('adminPass') diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index cbf284d60..6e86c2956 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -73,12 +73,6 @@ class Controller(controller.OpenstackCreateInstanceController): """ Returns a list of server details for a given user """ return self._items(req, is_detail=True) - def _image_id_from_req_data(self, data): - raise NotImplementedError() - - def _flavor_id_from_req_data(self, data): - raise NotImplementedError() - def _get_view_builder(self, req): raise NotImplementedError() @@ -193,15 +187,6 @@ class Controller(controller.OpenstackCreateInstanceController): return exc.HTTPNoContent() - def _validate_server_name(self, value): - if not isinstance(value, basestring): - msg = _("Server name is not a string or unicode") - raise exc.HTTPBadRequest(msg) - - if value.strip() == '': - msg = _("Server name is an empty string") - raise exc.HTTPBadRequest(msg) - def _parse_update(self, context, id, inst_dict, update_dict): pass diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 51ce315dc..91531aa97 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -21,9 +21,11 @@ from nova import db from nova import exception from nova import flags from nova import log as logging -from nova.api.openstack import create_instance_controller as controller + +from nova.compute import api as compute from nova.scheduler import api +from nova.api.openstack import create_instance_controller as controller FLAGS = flags.FLAGS @@ -64,6 +66,10 @@ class Controller(controller.OpenstackCreateInstanceController): "attributes": { "zone": ["id", "api_url", "name", "capabilities"]}}} + def __init__(self): + self.compute_api = compute.API() + super(Controller, self).__init__() + def index(self, req): """Return all zones in brief""" # Ask the ZoneManager in the Scheduler for most recent data, @@ -122,8 +128,8 @@ class Controller(controller.OpenstackCreateInstanceController): Returns a reservation ID (a UUID). """ - reservation_id = \ - common.create(req, self.compute_api.create_all_at_once) + extra_values, reservation_id = \ + self.create_instance(req, self.compute_api.create_all_at_once) return {'reservation_id': reservation_id} -- cgit From fccc653376ec03e2f8d4e91449a18d62cd87902f Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 31 May 2011 06:29:38 -0700 Subject: tests passing again --- nova/api/openstack/create_instance_controller.py | 31 +++++++++--------------- nova/api/openstack/servers.py | 27 ++++++++++++++++----- nova/api/openstack/zones.py | 12 ++++++--- nova/tests/api/openstack/test_servers.py | 4 ++- 4 files changed, 44 insertions(+), 30 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 1c4098a08..ca076a218 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -46,7 +46,7 @@ class OpenstackCreateInstanceController(common.OpenstackController): Once we stabilize the Zones portion of the API we may be able to move this code back into servers.py """ - + def __init__(self): """We need the image service to create an instance.""" self._image_service = utils.import_object(FLAGS.image_service) @@ -58,19 +58,22 @@ class OpenstackCreateInstanceController(common.OpenstackController): def _flavor_id_from_req_data(self, data): raise NotImplementedError() + def _get_server_admin_password(self, server): + raise NotImplementedError() + def create_instance(self, req, create_method): """Creates a new server for the given user. The approach used depends on the create_method. For example, the standard - POST /server call uses compute.api.create(), while + POST /server call uses compute.api.create(), while POST /zones/server uses compute.api.create_all_at_once(). The problem is, both approaches return different values (i.e. [instance dicts] vs. reservation_id). So the handling of the - return type from this method is left to the caller. + return type from this method is left to the caller. """ env = self._deserialize_create(req) if not env: - return faults.Fault(exc.HTTPUnprocessableEntity()) + return (None, faults.Fault(exc.HTTPUnprocessableEntity())) context = req.environ['nova.context'] @@ -90,7 +93,7 @@ class OpenstackCreateInstanceController(common.OpenstackController): context, requested_image_id) except: msg = _("Can not find requested image") - return faults.Fault(exc.HTTPBadRequest(msg)) + return (None, faults.Fault(exc.HTTPBadRequest(msg))) kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image( req, image_id) @@ -104,14 +107,14 @@ class OpenstackCreateInstanceController(common.OpenstackController): if not 'name' in env['server']: msg = _("Server name is not defined") - return exc.HTTPBadRequest(msg) - - zone_blob = env['server'].get('blob') - reservation_id = env['server'].get('reservation_id') + return (None, exc.HTTPBadRequest(msg)) name = env['server']['name'] self._validate_server_name(name) name = name.strip() + zone_blob = env['server'].get('blob') + reservation_id = env['server'].get('reservation_id') + inst_type = instance_types.get_instance_type_by_flavor_id(flavor_id) extra_values = { 'instance_type': inst_type, @@ -179,16 +182,6 @@ class OpenstackCreateInstanceController(common.OpenstackController): msg = _("Server name is an empty string") raise exc.HTTPBadRequest(msg) - 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_kernel_ramdisk_from_image(self, req, image_id): """Fetch an image from the ImageService, then if present, return the associated kernel and ramdisk image IDs. diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 6e86c2956..223e1a191 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -116,13 +116,17 @@ class Controller(controller.OpenstackCreateInstanceController): def create(self, req): """ Creates a new server for a given user """ - extra_values, instances = \ + extra_values, result = \ self.create_instance(req, self.compute_api.create) + if extra_values is None: + return result # a Fault. + + instances = result (inst, ) = instances for key in ['instance_type', 'image_id']: inst[key] = extra_values[key] - + builder = self._get_view_builder(req) server = builder.build(inst, is_detail=True) server['server']['adminPass'] = extra_values['password'] @@ -156,10 +160,6 @@ class Controller(controller.OpenstackCreateInstanceController): injected_files.append((path, contents)) return injected_files - 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 """ @@ -491,6 +491,10 @@ class ControllerV10(Controller): response.empty_body = True return response + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + return utils.generate_password(16) + class ControllerV11(Controller): def _image_id_from_req_data(self, data): @@ -586,3 +590,14 @@ class ControllerV11(Controller): def get_default_xmlns(self, req): return common.XML_NS_V11 + + 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 diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 91531aa97..acd01a1ff 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -26,6 +26,7 @@ from nova.compute import api as compute from nova.scheduler import api from nova.api.openstack import create_instance_controller as controller +from nova.api.openstack import common FLAGS = flags.FLAGS @@ -125,12 +126,15 @@ class Controller(controller.OpenstackCreateInstanceController): def boot(self, req): """Creates a new server for a given user while being Zone aware. - + Returns a reservation ID (a UUID). """ - extra_values, reservation_id = \ + extra_values, result = \ self.create_instance(req, self.compute_api.create_all_at_once) + if extra_values is None: + return result # a Fault. + reservation_id = result return {'reservation_id': reservation_id} @check_encryption_key @@ -156,8 +160,8 @@ class Controller(controller.OpenstackCreateInstanceController): cooked.append(dict(weight=entry['weight'], blob=cipher_text)) return cooked - - # Assume OS 1.0 functionality for these overrides. + + # Assume OS 1.0 functionality for these overrides. def _image_id_from_req_data(self, data): return data['server']['imageId'] diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index fbde5c9ce..7bad28ca8 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -31,6 +31,7 @@ from nova import flags from nova import test import nova.api.openstack from nova.api.openstack import servers +from nova.api.openstack import create_instance_controller import nova.compute.api from nova.compute import instance_types from nova.compute import power_state @@ -1380,7 +1381,8 @@ class ServersTest(test.TestCase): class TestServerCreateRequestXMLDeserializer(unittest.TestCase): def setUp(self): - self.deserializer = servers.ServerCreateRequestXMLDeserializer() + self.deserializer = \ + create_instance_controller.ServerCreateRequestXMLDeserializer() def test_minimal_request(self): serial_request = """ -- cgit From beb6bf93d0bab5b50c6f0af90758e21cc68187ab Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 31 May 2011 14:56:04 -0700 Subject: basic zone-boot test in place --- nova/api/openstack/create_instance_controller.py | 3 ++- nova/api/openstack/servers.py | 4 ---- nova/api/openstack/zones.py | 1 + nova/tests/api/openstack/test_servers.py | 27 ++++++++++++++++++++++-- 4 files changed, 28 insertions(+), 7 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index ca076a218..c79638bd9 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -59,7 +59,8 @@ class OpenstackCreateInstanceController(common.OpenstackController): raise NotImplementedError() def _get_server_admin_password(self, server): - raise NotImplementedError() + """ Determine the admin password for a server on creation """ + return utils.generate_password(16) def create_instance(self, req, create_method): """Creates a new server for the given user. The approach diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 223e1a191..67b3fd23f 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -491,10 +491,6 @@ class ControllerV10(Controller): response.empty_body = True return response - def _get_server_admin_password(self, server): - """ Determine the admin password for a server on creation """ - return utils.generate_password(16) - class ControllerV11(Controller): def _image_id_from_req_data(self, data): diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index acd01a1ff..687978b08 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -129,6 +129,7 @@ class Controller(controller.OpenstackCreateInstanceController): Returns a reservation ID (a UUID). """ + print "************** IN ZONE BOOT" extra_values, result = \ self.create_instance(req, self.compute_api.create_all_at_once) if extra_values is None: diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index 7bad28ca8..9d12097c8 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -218,7 +218,6 @@ class ServersTest(test.TestCase): }, ] - print res_dict['server'] self.assertEqual(res_dict['server']['links'], expected_links) def test_get_server_by_id_with_addresses_xml(self): @@ -484,7 +483,9 @@ class ServersTest(test.TestCase): self.stubs.Set(nova.db.api, 'queue_get_for', queue_get_for) self.stubs.Set(nova.network.manager.VlanManager, 'allocate_fixed_ip', fake_method) - self.stubs.Set(nova.api.openstack.servers.Controller, + self.stubs.Set( + nova.api.openstack.create_instance_controller.\ + OpenstackCreateInstanceController, "_get_kernel_ramdisk_from_image", kernel_ramdisk_mapping) self.stubs.Set(nova.api.openstack.common, "get_image_id_from_image_hash", image_id_from_hash) @@ -515,6 +516,28 @@ class ServersTest(test.TestCase): def test_create_instance(self): self._test_create_instance_helper() + def test_create_instance_via_zones(self): + """Server generated ReservationID""" + self._setup_for_create_instance() + FLAGS.allow_admin_api = True + + body = dict(server=dict( + name='server_test', imageId=3, flavorId=2, + metadata={'hello': 'world', 'open': 'stack'}, + personality={})) + req = webob.Request.blank('/v1.0/zones/boot') + req.method = 'POST' + req.body = json.dumps(body) + req.headers["content-type"] = "application/json" + + res = req.get_response(fakes.wsgi_app()) + + reservation_id = json.loads(res.body)['reservation_id'] + self.assertEqual(res.status_int, 200) + self.assertNotEqual(reservation_id, "") + self.assertNotEqual(reservation_id, None) + self.assertTrue(len(reservation_id) > 1) + def test_create_instance_no_key_pair(self): fakes.stub_out_key_pair_funcs(self.stubs, have_key_pair=False) self._test_create_instance_helper() -- cgit From db68508e1468e9d2d3469f2ea6a9ec577d1190bc Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 05:36:41 -0700 Subject: added /zones/boot reservation id tests --- nova/tests/api/openstack/test_servers.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index 9d12097c8..3d5f92dea 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -538,6 +538,26 @@ class ServersTest(test.TestCase): self.assertNotEqual(reservation_id, None) self.assertTrue(len(reservation_id) > 1) + def test_create_instance_via_zones_with_resid(self): + """User supplied ReservationID""" + self._setup_for_create_instance() + FLAGS.allow_admin_api = True + + body = dict(server=dict( + name='server_test', imageId=3, flavorId=2, + metadata={'hello': 'world', 'open': 'stack'}, + personality={}, reservation_id='myresid')) + req = webob.Request.blank('/v1.0/zones/boot') + req.method = 'POST' + req.body = json.dumps(body) + req.headers["content-type"] = "application/json" + + res = req.get_response(fakes.wsgi_app()) + + reservation_id = json.loads(res.body)['reservation_id'] + self.assertEqual(res.status_int, 200) + self.assertEqual(reservation_id, "myresid") + def test_create_instance_no_key_pair(self): fakes.stub_out_key_pair_funcs(self.stubs, have_key_pair=False) self._test_create_instance_helper() -- cgit From 3bf3255f91aab28aa6915a2836dad77f17312e03 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 11:52:33 -0700 Subject: basic reservation id support to GET /servers --- nova/api/openstack/servers.py | 34 +++++----------------------------- nova/api/openstack/zones.py | 1 - 2 files changed, 5 insertions(+), 30 deletions(-) diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 67b3fd23f..2bfcbac81 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -87,7 +87,11 @@ class Controller(controller.OpenstackCreateInstanceController): builder - the response model builder """ - instance_list = self.compute_api.get_all(req.environ['nova.context']) + reservation_id = req.str_GET.get('reservation_id') + LOG.exception(_(" ************* RESERVATION ID %s"), reservation_id) + instance_list = self.compute_api.get_all( + req.environ['nova.context'], + reservation_id=reservation_id) limited_list = self._limit_items(instance_list, req) builder = self._get_view_builder(req) servers = [builder.build(inst, is_detail)['server'] @@ -132,34 +136,6 @@ class Controller(controller.OpenstackCreateInstanceController): server['server']['adminPass'] = extra_values['password'] return server - def _get_injected_files(self, personality): - """ - Create a list of injected files from the personality attribute - - At this time, injected_files must be formatted as a list of - (file_path, file_content) pairs for compatibility with the - underlying compute service. - """ - injected_files = [] - - for item in personality: - try: - path = item['path'] - contents = item['contents'] - except KeyError as key: - expl = _('Bad personality format: missing %s') % key - raise exc.HTTPBadRequest(explanation=expl) - except TypeError: - expl = _('Bad personality format') - raise exc.HTTPBadRequest(explanation=expl) - try: - contents = base64.b64decode(contents) - except TypeError: - expl = _('Personality content for %s cannot be decoded') % path - raise exc.HTTPBadRequest(explanation=expl) - injected_files.append((path, contents)) - return injected_files - @scheduler_api.redirect_handler def update(self, req, id): """ Updates the server name or password """ diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 687978b08..acd01a1ff 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -129,7 +129,6 @@ class Controller(controller.OpenstackCreateInstanceController): Returns a reservation ID (a UUID). """ - print "************** IN ZONE BOOT" extra_values, result = \ self.create_instance(req, self.compute_api.create_all_at_once) if extra_values is None: -- cgit From b05dcdc69387ecd54e40063e66355961d39b4430 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 12:39:31 -0700 Subject: reservation id's properly forwarded to child zones on create --- nova/api/openstack/create_instance_controller.py | 30 ++++++++++++++++++++++++ nova/scheduler/zone_aware_scheduler.py | 6 +++-- 2 files changed, 34 insertions(+), 2 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index c79638bd9..786d74e37 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -116,6 +116,8 @@ class OpenstackCreateInstanceController(common.OpenstackController): zone_blob = env['server'].get('blob') reservation_id = env['server'].get('reservation_id') + LOG.exception("******* CREATE_INSTANCE RES_ID=%s of %s" % (reservation_id, env)) + inst_type = instance_types.get_instance_type_by_flavor_id(flavor_id) extra_values = { 'instance_type': inst_type, @@ -221,6 +223,34 @@ class OpenstackCreateInstanceController(common.OpenstackController): raise exception.RamdiskNotFoundForImage(image_id=image_id) return kernel_id, ramdisk_id + + def _get_injected_files(self, personality): + """ + Create a list of injected files from the personality attribute + + At this time, injected_files must be formatted as a list of + (file_path, file_content) pairs for compatibility with the + underlying compute service. + """ + injected_files = [] + + for item in personality: + try: + path = item['path'] + contents = item['contents'] + except KeyError as key: + expl = _('Bad personality format: missing %s') % key + raise exc.HTTPBadRequest(explanation=expl) + except TypeError: + expl = _('Bad personality format') + raise exc.HTTPBadRequest(explanation=expl) + try: + contents = base64.b64decode(contents) + except TypeError: + expl = _('Personality content for %s cannot be decoded') % path + raise exc.HTTPBadRequest(explanation=expl) + injected_files.append((path, contents)) + return injected_files class ServerCreateRequestXMLDeserializer(object): diff --git a/nova/scheduler/zone_aware_scheduler.py b/nova/scheduler/zone_aware_scheduler.py index 35ffdbde1..4b96f9877 100644 --- a/nova/scheduler/zone_aware_scheduler.py +++ b/nova/scheduler/zone_aware_scheduler.py @@ -90,6 +90,7 @@ class ZoneAwareScheduler(driver.Scheduler): image_id = instance_properties['image_id'] meta = instance_properties['metadata'] flavor_id = instance_type['flavorid'] + reservation_id = instance_properties['reservation_id'] files = kwargs['injected_files'] ipgroup = None # Not supported in OS API ... yet @@ -98,7 +99,8 @@ class ZoneAwareScheduler(driver.Scheduler): child_blob = zone_info['child_blob'] zone = db.zone_get(context, child_zone) url = zone.api_url - LOG.debug(_("Forwarding instance create call to child zone %(url)s") + LOG.debug(_("Forwarding instance create call to child zone %(url)s" + ". ReservationID=%(reservation_id)s") % locals()) nova = None try: @@ -109,7 +111,7 @@ class ZoneAwareScheduler(driver.Scheduler): "to talk to zone at %(url)s.") % locals()) nova.servers.create(name, image_id, flavor_id, ipgroup, meta, files, - child_blob) + child_blob, reservation_id=reservation_id) def _provision_resource_from_blob(self, context, item, instance_id, request_spec, kwargs): -- cgit From cf464dc7f2093ea3d1f831915ce22f54f0d1c90a Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 17:35:49 -0700 Subject: list --reservation now works across zones --- nova/api/openstack/create_instance_controller.py | 2 -- nova/api/openstack/views/servers.py | 12 +++++++++--- nova/compute/api.py | 22 ++++++++++++++++++++-- nova/scheduler/api.py | 8 +++++--- 4 files changed, 34 insertions(+), 10 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 786d74e37..edb1a5007 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -116,8 +116,6 @@ class OpenstackCreateInstanceController(common.OpenstackController): zone_blob = env['server'].get('blob') reservation_id = env['server'].get('reservation_id') - LOG.exception("******* CREATE_INSTANCE RES_ID=%s of %s" % (reservation_id, env)) - inst_type = instance_types.get_instance_type_by_flavor_id(flavor_id) extra_values = { 'instance_type': inst_type, diff --git a/nova/api/openstack/views/servers.py b/nova/api/openstack/views/servers.py index 0be468edc..0ee461dde 100644 --- a/nova/api/openstack/views/servers.py +++ b/nova/api/openstack/views/servers.py @@ -41,10 +41,13 @@ class ViewBuilder(object): def build(self, inst, is_detail): """Return a dict that represenst a server.""" - if is_detail: - server = self._build_detail(inst) + if inst.get('_is_precooked', False): + server = dict(server=inst) else: - server = self._build_simple(inst) + if is_detail: + server = self._build_detail(inst) + else: + server = self._build_simple(inst) self._build_extra(server, inst) @@ -78,6 +81,9 @@ class ViewBuilder(object): ctxt = nova.context.get_admin_context() compute_api = nova.compute.API() + + # TODO(sandy): Could be a bug here since the instance ID + # may have come from another Zone. if compute_api.has_finished_migration(ctxt, inst['id']): inst_dict['status'] = 'RESIZE-CONFIRM' diff --git a/nova/compute/api.py b/nova/compute/api.py index fc369ccd2..f9e76ffbc 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -543,6 +543,25 @@ class API(base.Base): """ return self.get(context, instance_id) + def get_all_across_zones(self, context, reservation_id): + """Get all instances with this reservation_id, across + all available Zones (if any). + """ + instances = self.db.instance_get_all_by_reservation( + context, reservation_id) + + children = scheduler_api.call_zone_method(context, "list", + novaclient_collection_name="servers", + reservation_id=reservation_id) + + for zone, servers in children: + for server in servers: + LOG.debug("**** INSTANCE= %s" % server._info) + # Results are ready to send to user. No need to scrub. + server._info['_is_precooked'] = True + instances.append(server._info) + return instances + def get_all(self, context, project_id=None, reservation_id=None, fixed_ip=None): """Get all instances filtered by one of the given parameters. @@ -552,8 +571,7 @@ class API(base.Base): """ if reservation_id is not None: - return self.db.instance_get_all_by_reservation( - context, reservation_id) + return self.get_all_across_zones(context, reservation_id) if fixed_ip is not None: return self.db.fixed_ip_get_instance(context, fixed_ip) diff --git a/nova/scheduler/api.py b/nova/scheduler/api.py index de0660713..0f423655e 100644 --- a/nova/scheduler/api.py +++ b/nova/scheduler/api.py @@ -118,7 +118,8 @@ def _process(func, zone): return func(nova, zone) -def call_zone_method(context, method, errors_to_ignore=None, *args, **kwargs): +def call_zone_method(context, method_name, errors_to_ignore=None, + novaclient_collection_name='zones', *args, **kwargs): """Returns a list of (zone, call_result) objects.""" if not isinstance(errors_to_ignore, (list, tuple)): # This will also handle the default None @@ -138,11 +139,12 @@ def call_zone_method(context, method, errors_to_ignore=None, *args, **kwargs): #TODO (dabo) - add logic for failure counts per zone, # with escalation after a given number of failures. continue - zone_method = getattr(nova.zones, method) + novaclient_collection = getattr(nova, novaclient_collection_name) + collection_method = getattr(novaclient_collection, method_name) def _error_trap(*args, **kwargs): try: - return zone_method(*args, **kwargs) + return collection_method(*args, **kwargs) except Exception as e: if type(e) in errors_to_ignore: return None -- cgit From e0d2dde5d370d76cd8ff55e47dbbf749be43a4c9 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 17:49:49 -0700 Subject: tests all passing again --- nova/api/openstack/create_instance_controller.py | 5 +++-- nova/api/openstack/servers.py | 1 - nova/compute/api.py | 1 - nova/scheduler/api.py | 5 +---- nova/tests/test_scheduler.py | 8 +------- 5 files changed, 5 insertions(+), 15 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index edb1a5007..3a8bbb3c9 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -15,13 +15,14 @@ # License for the specific language governing permissions and limitations # under the License. +import base64 import re +import webob + from urlparse import urlparse from webob import exc from xml.dom import minidom -import webob - from nova import exception from nova import flags from nova import log as logging diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 2bfcbac81..e5b04db43 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -88,7 +88,6 @@ class Controller(controller.OpenstackCreateInstanceController): builder - the response model builder """ reservation_id = req.str_GET.get('reservation_id') - LOG.exception(_(" ************* RESERVATION ID %s"), reservation_id) instance_list = self.compute_api.get_all( req.environ['nova.context'], reservation_id=reservation_id) diff --git a/nova/compute/api.py b/nova/compute/api.py index f9e76ffbc..9cb572720 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -556,7 +556,6 @@ class API(base.Base): for zone, servers in children: for server in servers: - LOG.debug("**** INSTANCE= %s" % server._info) # Results are ready to send to user. No need to scrub. server._info['_is_precooked'] = True instances.append(server._info) diff --git a/nova/scheduler/api.py b/nova/scheduler/api.py index 0f423655e..432f22b90 100644 --- a/nova/scheduler/api.py +++ b/nova/scheduler/api.py @@ -148,10 +148,7 @@ def call_zone_method(context, method_name, errors_to_ignore=None, except Exception as e: if type(e) in errors_to_ignore: return None - # TODO (dabo) - want to be able to re-raise here. - # Returning a string now; raising was causing issues. - # raise e - return "ERROR", "%s" % e + raise e res = pool.spawn(_error_trap, *args, **kwargs) results.append((zone, res)) diff --git a/nova/tests/test_scheduler.py b/nova/tests/test_scheduler.py index 54b3f80fb..5d8f34efd 100644 --- a/nova/tests/test_scheduler.py +++ b/nova/tests/test_scheduler.py @@ -1109,10 +1109,4 @@ class CallZoneMethodTest(test.TestCase): def test_call_zone_method_generates_exception(self): context = {} method = 'raises_exception' - results = api.call_zone_method(context, method) - - # FIXME(sirp): for now the _error_trap code is catching errors and - # converting them to a ("ERROR", "string") tuples. The code (and this - # test) should eventually handle real exceptions. - expected = [(1, ('ERROR', 'testing'))] - self.assertEqual(expected, results) + self.assertRaises(Exception, api.call_zone_method, context, method) -- cgit From d31ad6211956e69644894490ce37f6c3e8ea5e6e Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 17:53:45 -0700 Subject: pep8 and all that --- nova/api/openstack/create_instance_controller.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 3a8bbb3c9..0ab262b6e 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -222,7 +222,7 @@ class OpenstackCreateInstanceController(common.OpenstackController): raise exception.RamdiskNotFoundForImage(image_id=image_id) return kernel_id, ramdisk_id - + def _get_injected_files(self, personality): """ Create a list of injected files from the personality attribute -- cgit From 970415346b356f03f9d6152bfd4744b94bb59bbd Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 1 Jun 2011 18:17:04 -0700 Subject: Little cleanups --- nova/api/openstack/views/servers.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/nova/api/openstack/views/servers.py b/nova/api/openstack/views/servers.py index 0ee461dde..84086b3b2 100644 --- a/nova/api/openstack/views/servers.py +++ b/nova/api/openstack/views/servers.py @@ -49,7 +49,7 @@ class ViewBuilder(object): else: server = self._build_simple(inst) - self._build_extra(server, inst) + self._build_extra(server, inst) return server @@ -82,8 +82,6 @@ class ViewBuilder(object): ctxt = nova.context.get_admin_context() compute_api = nova.compute.API() - # TODO(sandy): Could be a bug here since the instance ID - # may have come from another Zone. if compute_api.has_finished_migration(ctxt, inst['id']): inst_dict['status'] = 'RESIZE-CONFIRM' -- cgit From 3fb467e44b5e5715e364c6c616998e54d7f20f92 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Thu, 2 Jun 2011 07:57:35 -0700 Subject: get_all with reservation id across zone tests --- nova/compute/api.py | 16 ---------- nova/scheduler/api.py | 7 ----- nova/scheduler/driver.py | 7 ----- nova/scheduler/zone_aware_scheduler.py | 6 ---- nova/tests/api/openstack/test_servers.py | 50 ++++++++++++++++++++++++++++++-- 5 files changed, 47 insertions(+), 39 deletions(-) diff --git a/nova/compute/api.py b/nova/compute/api.py index 9cb572720..b99d1d0a3 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -377,22 +377,6 @@ class API(base.Base): return [dict(x.iteritems()) for x in instances] - def smart_create(self, *args, **kwargs): - """ - Ask the scheduler if we should do single shot instance requests - or all-at-once. - - Cache this information on first request and act accordingly. - """ - - if API.should_create_all_at_once == None: - API.should_create_all_at_once = \ - scheduler_api.should_create_all_at_once(context) - - if API.should_create_all_at_once: - return self.create_all_at_once(*args, **kwargs) - return self.create(*args, **kwargs) - def has_finished_migration(self, context, instance_id): """Returns true if an instance has a finished migration.""" try: diff --git a/nova/scheduler/api.py b/nova/scheduler/api.py index 432f22b90..789993890 100644 --- a/nova/scheduler/api.py +++ b/nova/scheduler/api.py @@ -87,13 +87,6 @@ def select(context, specs=None): params={"request_spec": specs}) -def should_create_all_at_once(context): - """Returns a tuple of rules for how instances should - be created given the current Scheduler driver being used.""" - return _call_scheduler('should_create_all_at_once', context=context, - params={}) - - def update_service_capabilities(context, service_name, host, capabilities): """Send an update to all the scheduler services informing them of the capabilities of this service.""" diff --git a/nova/scheduler/driver.py b/nova/scheduler/driver.py index 237e31c04..2094e3565 100644 --- a/nova/scheduler/driver.py +++ b/nova/scheduler/driver.py @@ -72,13 +72,6 @@ class Scheduler(object): for service in services if self.service_is_up(service)] - def should_create_all_at_once(self, context=None, *args, **kwargs): - """ - Does this driver prefer single-shot requests or all-at-once? - By default, prefer single-shot. - """ - return False - def schedule(self, context, topic, *_args, **_kwargs): """Must override at least this method for scheduler to work.""" raise NotImplementedError(_("Must implement a fallback schedule")) diff --git a/nova/scheduler/zone_aware_scheduler.py b/nova/scheduler/zone_aware_scheduler.py index 4b96f9877..5e8d63038 100644 --- a/nova/scheduler/zone_aware_scheduler.py +++ b/nova/scheduler/zone_aware_scheduler.py @@ -159,12 +159,6 @@ class ZoneAwareScheduler(driver.Scheduler): self._provision_resource_from_blob(context, item, instance_id, request_spec, kwargs) - def should_create_all_at_once(self, context=None, *args, **kwargs): - """ - This driver prefers all-at-once requests. - """ - return True - def schedule_run_instance(self, context, instance_id, request_spec, *args, **kwargs): """This method is called from nova.compute.api to provision diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index 3d5f92dea..ae3fad2dc 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -36,6 +36,7 @@ import nova.compute.api from nova.compute import instance_types from nova.compute import power_state import nova.db.api +import nova.scheduler.api from nova.db.sqlalchemy.models import Instance from nova.db.sqlalchemy.models import InstanceMetadata import nova.rpc @@ -68,6 +69,26 @@ def return_servers(context, user_id=1): return [stub_instance(i, user_id) for i in xrange(5)] +def return_servers_by_reservation(context, reservation_id=""): + return [stub_instance(i, reservation_id) for i in xrange(5)] + + +def return_servers_from_child_zones(*args, **kwargs): + class Server(object): + pass + + zones = [] + for zone in xrange(3): + servers = [] + for server_id in xrange(5): + server = Server() + server._info = stub_instance(server_id, reservation_id="child") + servers.append(server) + + zones.append(("Zone%d" % zone, servers)) + return zones + + def return_security_group(context, instance_id, security_group_id): pass @@ -81,7 +102,7 @@ def instance_address(context, instance_id): def stub_instance(id, user_id=1, private_address=None, public_addresses=None, - host=None, power_state=0): + host=None, power_state=0, reservation_id=""): metadata = [] metadata.append(InstanceMetadata(key='seq', value=id)) @@ -93,6 +114,11 @@ def stub_instance(id, user_id=1, private_address=None, public_addresses=None, if host is not None: host = str(host) + # ReservationID isn't sent back, hack it in there. + server_name = "server%s" % id + if reservation_id != "": + server_name = "reservation_%s" % (reservation_id, ) + instance = { "id": id, "admin_pass": "", @@ -113,13 +139,13 @@ def stub_instance(id, user_id=1, private_address=None, public_addresses=None, "host": host, "instance_type": dict(inst_type), "user_data": "", - "reservation_id": "", + "reservation_id": reservation_id, "mac_address": "", "scheduled_at": datetime.datetime.now(), "launched_at": datetime.datetime.now(), "terminated_at": datetime.datetime.now(), "availability_zone": "", - "display_name": "server%s" % id, + "display_name": server_name, "display_description": "", "locked": False, "metadata": metadata} @@ -364,6 +390,24 @@ class ServersTest(test.TestCase): self.assertEqual(s.get('imageId', None), None) i += 1 + def test_get_server_list_with_reservation_id(self): + self.stubs.Set(nova.db.api, 'instance_get_all_by_reservation', + return_servers_by_reservation) + self.stubs.Set(nova.scheduler.api, 'call_zone_method', + return_servers_from_child_zones) + req = webob.Request.blank('/v1.0/servers/detail?reservation_id=foo') + res = req.get_response(fakes.wsgi_app()) + res_dict = json.loads(res.body) + + i = 0 + for s in res_dict['servers']: + print "SERVER", s + if '_is_precooked' in s: + self.assertEqual(s.get('reservation_id'), 'child') + else: + self.assertEqual(s.get('name'), 'server%d' % i) + i += 1 + def test_get_server_list_v1_1(self): req = webob.Request.blank('/v1.1/servers') res = req.get_response(fakes.wsgi_app()) -- cgit From 983bff090da0f09f944dd4152173a4586866a895 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Thu, 2 Jun 2011 08:05:46 -0700 Subject: more tests (empty responses) --- nova/tests/api/openstack/test_servers.py | 45 +++++++++++++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index ae3fad2dc..ba76b6691 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -73,6 +73,14 @@ def return_servers_by_reservation(context, reservation_id=""): return [stub_instance(i, reservation_id) for i in xrange(5)] +def return_servers_by_reservation_empty(context, reservation_id=""): + return [] + + +def return_servers_from_child_zones_empty(*args, **kwargs): + return [] + + def return_servers_from_child_zones(*args, **kwargs): class Server(object): pass @@ -395,19 +403,54 @@ class ServersTest(test.TestCase): return_servers_by_reservation) self.stubs.Set(nova.scheduler.api, 'call_zone_method', return_servers_from_child_zones) + req = webob.Request.blank('/v1.0/servers?reservation_id=foo') + res = req.get_response(fakes.wsgi_app()) + res_dict = json.loads(res.body) + + i = 0 + for s in res_dict['servers']: + if '_is_precooked' in s: + self.assertEqual(s.get('reservation_id'), 'child') + else: + self.assertEqual(s.get('name'), 'server%d' % i) + i += 1 + + def test_get_server_list_with_reservation_id_empty(self): + self.stubs.Set(nova.db.api, 'instance_get_all_by_reservation', + return_servers_by_reservation_empty) + self.stubs.Set(nova.scheduler.api, 'call_zone_method', + return_servers_from_child_zones_empty) req = webob.Request.blank('/v1.0/servers/detail?reservation_id=foo') res = req.get_response(fakes.wsgi_app()) res_dict = json.loads(res.body) i = 0 for s in res_dict['servers']: - print "SERVER", s if '_is_precooked' in s: self.assertEqual(s.get('reservation_id'), 'child') else: self.assertEqual(s.get('name'), 'server%d' % i) i += 1 + def test_get_server_list_with_reservation_id_details(self): + self.stubs.Set(nova.db.api, 'instance_get_all_by_reservation', + return_servers_by_reservation) + self.stubs.Set(nova.scheduler.api, 'call_zone_method', + return_servers_from_child_zones) + req = webob.Request.blank('/v1.0/servers/detail?reservation_id=foo') + res = req.get_response(fakes.wsgi_app()) + res_dict = json.loads(res.body) + + i = 0 + for s in res_dict['servers']: + if '_is_precooked' in s: + self.assertEqual(s.get('reservation_id'), 'child') + else: + self.assertEqual(s.get('name'), 'server%d' % i) + i += 1 + + + def test_get_server_list_v1_1(self): req = webob.Request.blank('/v1.1/servers') res = req.get_response(fakes.wsgi_app()) -- cgit From 22c71e27cef8131c8432b57d5965bd14e5300428 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 7 Jun 2011 15:36:43 -0300 Subject: Added illustrations for Distributed Scheduler and fixed up formatting --- doc/.autogenerated | 3276 ++++++++++++++++++++ doc/source/devref/distributed_scheduler.rst | 90 +- doc/source/images/costs_weights.png | Bin 0 -> 35723 bytes doc/source/images/dating_service.png | Bin 0 -> 31945 bytes doc/source/images/filtering.png | Bin 0 -> 18779 bytes doc/source/images/nova.compute.api.create.png | Bin 0 -> 50171 bytes .../images/nova.compute.api.create_all_at_once.png | Bin 0 -> 62263 bytes doc/source/images/zone_aware_overview.png | Bin 0 -> 56142 bytes doc/source/images/zone_aware_scheduler.png | Bin 0 -> 20902 bytes 9 files changed, 3329 insertions(+), 37 deletions(-) create mode 100644 doc/source/images/costs_weights.png create mode 100644 doc/source/images/dating_service.png create mode 100644 doc/source/images/filtering.png create mode 100755 doc/source/images/nova.compute.api.create.png create mode 100755 doc/source/images/nova.compute.api.create_all_at_once.png create mode 100755 doc/source/images/zone_aware_overview.png create mode 100644 doc/source/images/zone_aware_scheduler.png diff --git a/doc/.autogenerated b/doc/.autogenerated index 456c8ad1e..5f9630a57 100644 --- a/doc/.autogenerated +++ b/doc/.autogenerated @@ -281,3 +281,3279 @@ source/api/nova..volume.driver.rst source/api/nova..volume.manager.rst source/api/nova..volume.san.rst source/api/nova..wsgi.rst +source/api/nova.crypto.rst +source/api/nova.cloudpipe.pipelib.rst +source/api/nova.context.rst +source/api/nova.quota.rst +source/api/nova.tests.test_compute.rst +source/api/nova.tests.test_quota.rst 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+source/api/nova.api.openstack.backup_schedules.rst +source/api/nova.api.direct.rst +source/api/nova.log.rst +source/api/nova.rpc.rst +source/api/nova.fakememcache.rst diff --git a/doc/source/devref/distributed_scheduler.rst b/doc/source/devref/distributed_scheduler.rst index eb6a1a03e..cc9e78916 100644 --- a/doc/source/devref/distributed_scheduler.rst +++ b/doc/source/devref/distributed_scheduler.rst @@ -15,10 +15,12 @@ under the License. Distributed Scheduler -===== +===================== The Scheduler is akin to a Dating Service. Requests for the creation of new instances come in and the most applicable Compute nodes are selected from a large pool of potential candidates. In a small deployment we may be happy with the currently available Change Scheduler which randomly selects a Host from the available pool. Or if you need something a little more fancy you may want to use the Availability Zone Scheduler, which selects Compute hosts from a logical partitioning of available hosts (within a single Zone). + .. image:: /images/dating_service.png + But for larger deployments a more complex scheduling algorithm is required. Additionally, if you are using Zones in your Nova setup, you'll need a scheduler that understand how to pass instance requests from Zone to Zone. This is the purpose of the Distributed Scheduler (DS). The DS utilizes the Capabilities of a Zone and its component services to make informed decisions on where a new instance should be created. When making this decision it consults not only all the Compute nodes in the current Zone, but the Compute nodes in each Child Zone. This continues recursively until the ideal host is found. @@ -27,70 +29,82 @@ So, how does this all work? This document will explain the strategy employed by the `ZoneAwareScheduler` and its derivations. You should read the Zones documentation before reading this. + .. image:: /images/zone_aware_scheduler.png + Costs & Weights ----------- +--------------- When deciding where to place an Instance, we compare a Weighted Cost for each Host. The Weighting, currently, is just the sum of each Cost. Costs are nothing more than integers from `0 - max_int`. Costs are computed by looking at the various Capabilities of the Host relative to the specs of the Instance being asked for. Trying to putting a plain vanilla instance on a high performance host should have a very high cost. But putting a vanilla instance on a vanilla Host should have a low cost. Some Costs are more esoteric. Consider a rule that says we should prefer Hosts that don't already have an instance on it that is owned by the user requesting it (to mitigate against machine failures). Here we have to look at all the other Instances on the host to compute our cost. An example of some other costs might include selecting: -* a GPU-based host over a standard CPU -* a host with fast ethernet over a 10mbps line -* a host that can run Windows instances -* a host in the EU vs North America -* etc + * a GPU-based host over a standard CPU + * a host with fast ethernet over a 10mbps line + * a host that can run Windows instances + * a host in the EU vs North America + * etc This Weight is computed for each Instance requested. If the customer asked for 1000 instances, the consumed resources on each Host are "virtually" depleted so the Cost can change accordingly. + .. image:: /images/costs_weights.png + nova.scheduler.zone_aware_scheduler.ZoneAwareScheduler ------------ +------------------------------------------------------ As we explained in the Zones documentation, each Scheduler has a `ZoneManager` object that collects "Capabilities" about child Zones and each of the services running in the current Zone. The `ZoneAwareScheduler` uses this information to make its decisions. Here is how it works: -1. The compute nodes are filtered and the nodes remaining are weighed. -1a. Filtering the hosts is a simple matter of ensuring the compute node has ample resources (CPU, RAM, Disk, etc) to fulfil the request. -1b. Weighing of the remaining compute nodes assigns a number based on their suitability for the request. -2. The same request is sent to each child Zone and step #1 is done there too. The resulting weighted list is returned to the parent. -3. The parent Zone sorts and aggregates all the weights and a final build plan is constructed. -4. The build plan is executed upon. Concurrently, instance create requests are sent to each of the selected hosts, be they local or in a child zone. Child Zones may forward the requests to their child Zones as needed. + 1. The compute nodes are filtered and the nodes remaining are weighed. + 2. Filtering the hosts is a simple matter of ensuring the compute node has ample resources (CPU, RAM, Disk, etc) to fulfil the request. + 3. Weighing of the remaining compute nodes assigns a number based on their suitability for the request. + 4. The same request is sent to each child Zone and step #1 is done there too. The resulting weighted list is returned to the parent. + 5. The parent Zone sorts and aggregates all the weights and a final build plan is constructed. + 6. The build plan is executed upon. Concurrently, instance create requests are sent to each of the selected hosts, be they local or in a child zone. Child Zones may forward the requests to their child Zones as needed. + + .. image:: /images/zone_aware_overview.png `ZoneAwareScheduler` by itself is not capable of handling all the provisioning itself. Derived classes are used to select which host filtering and weighing strategy will be used. Filtering and Weighing ------------- +---------------------- The filtering (excluding compute nodes incapable of fulfilling the request) and weighing (computing the relative "fitness" of a compute node to fulfill the request) rules used are very subjective operations ... Service Providers will probably have a very different set of filtering and weighing rules than private cloud administrators. The filtering and weighing aspects of the `ZoneAwareScheduler` are flexible and extensible. + .. image:: /images/filtering.png + Requesting a new instance ------------- +------------------------- Prior to the `ZoneAwareScheduler`, to request a new instance, a call was made to `nova.compute.api.create()`. The type of instance created depended on the value of the `InstanceType` record being passed in. The `InstanceType` determined the amount of disk, CPU, RAM and network required for the instance. Administrators can add new `InstanceType` records to suit their needs. For more complicated instance requests we need to go beyond the default fields in the `InstanceType` table. `nova.compute.api.create()` performed the following actions: -1. it validated all the fields passed into it. -2. it created an entry in the `Instance` table for each instance requested -3. it put one `run_instance` message in the scheduler queue for each instance requested -4. the schedulers picked off the messages and decided which compute node should handle the request. -5. the `run_instance` message was forwarded to the compute node for processing and the instance is created. -6. it returned a list of dicts representing each of the `Instance` records (even if the instance has not been activated yet). At least the `instance_id`s are valid. + 1. it validated all the fields passed into it. + 2. it created an entry in the `Instance` table for each instance requested + 3. it put one `run_instance` message in the scheduler queue for each instance requested + 4. the schedulers picked off the messages and decided which compute node should handle the request. + 5. the `run_instance` message was forwarded to the compute node for processing and the instance is created. + 6. it returned a list of dicts representing each of the `Instance` records (even if the instance has not been activated yet). At least the `instance_ids` are valid. + + .. image:: /images/nova.compute.api.create.png Generally, the standard schedulers (like `ChanceScheduler` and `AvailabilityZoneScheduler`) only operate in the current Zone. They have no concept of child Zones. The problem with this approach is each request is scattered amongst each of the schedulers. If we are asking for 1000 instances, each scheduler gets the requests one-at-a-time. There is no possability of optimizing the requests to take into account all 1000 instances as a group. We call this Single-Shot vs. All-at-Once. For the `ZoneAwareScheduler` we need to use the All-at-Once approach. We need to consider all the hosts across all the Zones before deciding where they should reside. In order to handle this we have a new method `nova.compute.api.create_all_at_once()`. This method does things a little differently: -1. it validates all the fields passed into it. -2. it creates a single `reservation_id` for all of instances created. This is a UUID. -3. it creates a single `run_instance` request in the scheduler queue -4. a scheduler picks the message off the queue and works on it. -5. the scheduler sends off an OS API `POST /zones/select` command to each child Zone. The `BODY` payload of the call contains the `request_spec`. -6. the child Zones use the `request_spec` to compute a weighted list for each instance requested. No attempt to actually create an instance is done at this point. We're only estimating the suitability of the Zones. -7. if the child Zone has its own child Zones, the `/zones/select` call will be sent down to them as well. -8. Finally, when all the estimates have bubbled back to the Zone that initiated the call, all the results are merged, sorted and processed. -9. Now the instances can be created. The initiating Zone either forwards the `run_instance` message to the local Compute node to do the work, or it issues a `POST /servers` call to the relevant child Zone. The parameters to the child Zone call are the same as what was passed in by the user. -10. The `reservation_id` is passed back to the caller. Later we explain how the user can check on the status of the command with this `reservation_id`. + 1. it validates all the fields passed into it. + 2. it creates a single `reservation_id` for all of instances created. This is a UUID. + 3. it creates a single `run_instance` request in the scheduler queue + 4. a scheduler picks the message off the queue and works on it. + 5. the scheduler sends off an OS API `POST /zones/select` command to each child Zone. The `BODY` payload of the call contains the `request_spec`. + 6. the child Zones use the `request_spec` to compute a weighted list for each instance requested. No attempt to actually create an instance is done at this point. We're only estimating the suitability of the Zones. + 7. if the child Zone has its own child Zones, the `/zones/select` call will be sent down to them as well. + 8. Finally, when all the estimates have bubbled back to the Zone that initiated the call, all the results are merged, sorted and processed. + 9. Now the instances can be created. The initiating Zone either forwards the `run_instance` message to the local Compute node to do the work, or it issues a `POST /servers` call to the relevant child Zone. The parameters to the child Zone call are the same as what was passed in by the user. + 10. The `reservation_id` is passed back to the caller. Later we explain how the user can check on the status of the command with this `reservation_id`. + + .. image:: /images/nova.compute.api.create_all_at_once.png The Catch -------------- +--------- This all seems pretty straightforward but, like most things, there's a catch. Zones are expected to operate in complete isolation from each other. Each Zone has its own AMQP service, database and set of Nova services. But, for security reasons Zones should never leak information about the architectural layout internally. That means Zones cannot leak information about hostnames or service IP addresses outside of its world. When `POST /zones/select` is called to estimate which compute node to use, time passes until the `POST /servers` call is issued. If we only passed the weight back from the `select` we would have to re-compute the appropriate compute node for the create command ... and we could end up with a different host. Somehow we need to remember the results of our computations and pass them outside of the Zone. Now, we could store this information in the local database and return a reference to it, but remember that the vast majority of weights are going be ignored. Storing them in the database would result in a flood of disk access and then we have to clean up all these entries periodically. Recall that there are going to be many many `select` calls issued to child Zones asking for estimates. @@ -117,7 +131,7 @@ Finally, we need to give the user a way to get information on each of the instan `python-novaclient` will be extended to support both of these changes. Host Filter --------------- +----------- As we mentioned earlier, filtering hosts is a very deployment-specific process. Service Providers may have a different set of criteria for filtering Compute nodes than a University. To faciliate this the `nova.scheduler.host_filter` module supports a variety of filtering strategies as well as an easy means for plugging in your own algorithms. @@ -130,21 +144,22 @@ The filter used is determined by the `--default_host_filter` flag, which points To create your own `HostFilter` the user simply has to derive from `nova.scheduler.host_filter.HostFilter` and implement two methods: `instance_type_to_filter` and `filter_hosts`. Since Nova is currently dependent on the `InstanceType` structure, the `instance_type_to_filter` method should take an `InstanceType` and turn it into an internal data structure usable by your filter. This is for backward compatibility with existing OpenStack and EC2 API calls. If you decide to create your own call for creating instances not based on `Flavors` or `InstanceTypes` you can ignore this method. The real work is done in `filter_hosts` which must return a list of host tuples for each appropriate host. The set of all available hosts is in the `ZoneManager` object passed into the call as well as the filter query. The host tuple contains (``, ``) where `` is whatever you want it to be. Cost Scheduler Weighing --------------- +----------------------- Every `ZoneAwareScheduler` derivation must also override the `weigh_hosts` method. This takes the list of filtered hosts (generated by the `filter_hosts` method) and returns a list of weight dicts. The weight dicts must contain two keys: `weight` and `hostname` where `weight` is simply an integer (lower is better) and `hostname` is the name of the host. The list does not need to be sorted, this will be done by the `ZoneAwareScheduler` base class when all the results have been assembled. Simple Zone Aware Scheduling --------------- +---------------------------- The easiest way to get started with the `ZoneAwareScheduler` is to use the `nova.scheduler.host_filter.HostFilterScheduler`. This scheduler uses the default Host Filter as and the `weight_hosts` method simply returns a weight of 1 for all hosts. But, from this, you can see calls being routed from Zone to Zone and follow the flow of things. The `--scheduler_driver` flag is how you specify the scheduler class name. Flags --------------- +----- All this Zone and Distributed Scheduler stuff can seem a little daunting to configure, but it's actually not too bad. Here are some of the main flags you should set in your `nova.conf` file: :: + --allow_admin_api=true --enable_zone_routing=true --zone_name=zone1 @@ -162,6 +177,7 @@ All this Zone and Distributed Scheduler stuff can seem a little daunting to conf Some optional flags which are handy for debugging are: :: + --connection_type=fake --verbose diff --git a/doc/source/images/costs_weights.png b/doc/source/images/costs_weights.png new file mode 100644 index 000000000..b65e98b0c Binary files /dev/null and b/doc/source/images/costs_weights.png differ diff --git a/doc/source/images/dating_service.png b/doc/source/images/dating_service.png new file mode 100644 index 000000000..49f1bd86a Binary files /dev/null and b/doc/source/images/dating_service.png differ diff --git a/doc/source/images/filtering.png b/doc/source/images/filtering.png new file mode 100644 index 000000000..4303bded8 Binary files /dev/null and b/doc/source/images/filtering.png differ diff --git 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bb308603a05915aa486a790267b4b3cc9dbdd624 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 8 Jun 2011 08:59:28 -0300 Subject: removed autogen file --- doc/.autogenerated | 3559 ---------------------------------------------------- 1 file changed, 3559 deletions(-) delete mode 100644 doc/.autogenerated diff --git a/doc/.autogenerated b/doc/.autogenerated deleted file mode 100644 index 5f9630a57..000000000 --- a/doc/.autogenerated +++ /dev/null @@ -1,3559 +0,0 @@ -source/api/nova..adminclient.rst -source/api/nova..api.direct.rst -source/api/nova..api.ec2.admin.rst -source/api/nova..api.ec2.apirequest.rst -source/api/nova..api.ec2.cloud.rst -source/api/nova..api.ec2.metadatarequesthandler.rst -source/api/nova..api.openstack.auth.rst -source/api/nova..api.openstack.backup_schedules.rst -source/api/nova..api.openstack.common.rst -source/api/nova..api.openstack.consoles.rst -source/api/nova..api.openstack.faults.rst -source/api/nova..api.openstack.flavors.rst 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-source/api/nova.db.api.rst -source/api/nova.twistd.rst -source/api/nova.test.rst -source/api/nova.fakerabbit.rst -source/api/nova.service.rst -source/api/nova.flags.rst -source/api/nova.api.ec2.ec2utils.rst -source/api/nova.api.ec2.metadatarequesthandler.rst -source/api/nova.api.ec2.cloud.rst -source/api/nova.api.ec2.admin.rst -source/api/nova.api.ec2.apirequest.rst -source/api/nova.api.openstack.images.rst -source/api/nova.api.openstack.faults.rst -source/api/nova.api.openstack.shared_ip_groups.rst -source/api/nova.api.openstack.common.rst -source/api/nova.api.openstack.ips.rst -source/api/nova.api.openstack.extensions.rst -source/api/nova.api.openstack.servers.rst -source/api/nova.api.openstack.consoles.rst -source/api/nova.api.openstack.users.rst -source/api/nova.api.openstack.auth.rst -source/api/nova.api.openstack.versions.rst -source/api/nova.api.openstack.zones.rst -source/api/nova.api.openstack.limits.rst -source/api/nova.api.openstack.flavors.rst -source/api/nova.api.openstack.image_metadata.rst -source/api/nova.api.openstack.contrib.volumes.rst -source/api/nova.api.openstack.wsgi.rst -source/api/nova.api.openstack.accounts.rst -source/api/nova.api.openstack.views.images.rst -source/api/nova.api.openstack.views.addresses.rst -source/api/nova.api.openstack.views.servers.rst -source/api/nova.api.openstack.views.versions.rst -source/api/nova.api.openstack.views.limits.rst -source/api/nova.api.openstack.views.flavors.rst -source/api/nova.api.openstack.server_metadata.rst -source/api/nova.api.openstack.backup_schedules.rst -source/api/nova.api.direct.rst -source/api/nova.log.rst -source/api/nova.rpc.rst -source/api/nova.fakememcache.rst -- cgit From a66ae006e0a6103ee6db49ad2b8dc4506969178e Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Wed, 8 Jun 2011 15:45:23 +0000 Subject: Look for vm_mode property on images and use that if it exists to determine if image should be run in PV or HVM mode. If it doesn't exist, fall back to existing logic --- nova/compute/api.py | 6 ++- .../versions/022_add_vm_mode_to_instances.py | 43 ++++++++++++++++++++++ nova/db/sqlalchemy/models.py | 1 + nova/virt/xenapi/vmops.py | 11 ++++-- 4 files changed, 57 insertions(+), 4 deletions(-) create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py diff --git a/nova/compute/api.py b/nova/compute/api.py index 4f327fab1..5ea086088 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -166,6 +166,9 @@ class API(base.Base): os_type = None if 'properties' in image and 'os_type' in image['properties']: os_type = image['properties']['os_type'] + vm_mode = None + if 'properties' in image and 'vm_mode' in image['properties']: + vm_mode = image['properties']['vm_mode'] if kernel_id is None: kernel_id = image['properties'].get('kernel_id', None) @@ -224,7 +227,8 @@ class API(base.Base): 'locked': False, 'metadata': metadata, 'availability_zone': availability_zone, - 'os_type': os_type} + 'os_type': os_type, + 'vm_mode': vm_mode} elevated = context.elevated() instances = [] LOG.debug(_("Going to run %s instances..."), num_instances) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py new file mode 100644 index 000000000..5b6a25e41 --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py @@ -0,0 +1,43 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 OpenStack LLC. +# +# 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 Column, Integer, MetaData, String, Table + +meta = MetaData() + +instances = Table('instances', meta, + Column('id', Integer(), primary_key=True, nullable=False), + ) + +instances_vm_mode = Column('vm_mode', + String(length=255, convert_unicode=False, + assert_unicode=None, unicode_error=None, + _warn_on_bytestring=False), + nullable=True) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + instances.create_column(instances_vm_mode) + + +def downgrade(migrate_engine): + meta.bind = migrate_engine + + instances.drop_column('vm_mode') diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index 239f6e96a..612ccc93f 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -232,6 +232,7 @@ class Instance(BASE, NovaBase): locked = Column(Boolean) os_type = Column(String(255)) + vm_mode = Column(String(255)) # TODO(vish): see Ewan's email about state improvements, probably # should be in a driver base class or some such diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 32dae97c2..3b793113f 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -160,9 +160,14 @@ class VMOps(object): # Create the VM ref and attach the first disk first_vdi_ref = self._session.call_xenapi('VDI.get_by_uuid', vdis[0]['vdi_uuid']) - use_pv_kernel = VMHelper.determine_is_pv(self._session, - instance.id, first_vdi_ref, disk_image_type, - instance.os_type) + if instance.vm_mode in ('pv', 'PV'): + use_pv_kernel = True + elif instance.vm_mode in ('hv', 'HV', 'hvm', 'HVM'): + use_pv_kernel = False + else: + use_pv_kernel = VMHelper.determine_is_pv(self._session, + instance.id, first_vdi_ref, disk_image_type, + instance.os_type) vm_ref = VMHelper.create_vm(self._session, instance, kernel, ramdisk, use_pv_kernel) VMHelper.create_vbd(session=self._session, vm_ref=vm_ref, -- cgit From e5fdcc315cc8c3993f0c37078cf4c89cacc34106 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Wed, 8 Jun 2011 11:04:41 -0700 Subject: tweaks --- tools/pip-requires | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/pip-requires b/tools/pip-requires index 8f8018765..1fa69cd06 100644 --- a/tools/pip-requires +++ b/tools/pip-requires @@ -10,7 +10,7 @@ boto==1.9b carrot==0.10.5 eventlet==0.9.12 lockfile==0.8 -python-novaclient==2.3 +python-novaclient==2.5 python-daemon==1.5.5 python-gflags==1.3 redis==2.0.0 -- cgit From 70e4d73778d448cb7f122bc0a2a0c43a78fff46a Mon Sep 17 00:00:00 2001 From: John Tran Date: Wed, 8 Jun 2011 15:23:33 -0700 Subject: added a test for allocate_address & added error handling for api instead of returning 'UnknownError', will give information 'AllocateAddressError: NoMoreAddresses --- nova/api/ec2/__init__.py | 6 ++++++ nova/tests/test_cloud.py | 10 ++++++++++ 2 files changed, 16 insertions(+) diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index 1915d007d..459ecb442 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -348,6 +348,12 @@ class Executor(wsgi.Application): LOG.debug(_('KeyPairExists raised: %s'), unicode(ex), context=context) return self._error(req, context, type(ex).__name__, unicode(ex)) + except rpc.RemoteError as ex: + LOG.debug(_('RemoteError raised: %s'), ex.exc_type, + context=context) + if ex.exc_type == 'NoMoreAddresses': + return self._error(req, context, 'AllocateAddressError', + ex.exc_type) except Exception as ex: extra = {'environment': req.environ} LOG.exception(_('Unexpected error raised: %s'), unicode(ex), diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index ba133c860..d6d90e873 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -115,6 +115,16 @@ class CloudTestCase(test.TestCase): public_ip=address) db.floating_ip_destroy(self.context, address) + def test_allocate_address(self): + address = "10.10.10.10" + allocate = self.cloud.allocate_address + db.floating_ip_create(self.context, + {'address': address, + 'host': self.network.host}) + self.assertEqual(allocate(self.context)['publicIp'], address) + db.floating_ip_destroy(self.context, address) + self.assertRaises(rpc.RemoteError, allocate, self.context) + def test_associate_disassociate_address(self): """Verifies associate runs cleanly without raising an exception""" address = "10.10.10.10" -- cgit From f20c73bbe395a93c087562966b10ade3c9f32afc Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Wed, 8 Jun 2011 22:28:28 +0000 Subject: Normalize and update database with used vm_mode --- nova/virt/xenapi/vmops.py | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 3b793113f..99d2dc758 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -160,14 +160,24 @@ class VMOps(object): # Create the VM ref and attach the first disk first_vdi_ref = self._session.call_xenapi('VDI.get_by_uuid', vdis[0]['vdi_uuid']) - if instance.vm_mode in ('pv', 'PV'): + + vm_mode = instance.vm_mode and instance.vm_mode.lower() + if vm_mode == 'pv': use_pv_kernel = True - elif instance.vm_mode in ('hv', 'HV', 'hvm', 'HVM'): + elif vm_mode in ('hv', 'hvm'): use_pv_kernel = False + vm_mode = 'hvm' # Normalize else: use_pv_kernel = VMHelper.determine_is_pv(self._session, instance.id, first_vdi_ref, disk_image_type, instance.os_type) + vm_mode = use_pv_kernel and 'pv' or 'hvm' + + if instance.vm_mode != vm_mode: + # Update database with normalized (or determined) value + db.instance_update(context.get_admin_context(), + instance['id'], {'vm_mode': vm_mode}) + vm_ref = VMHelper.create_vm(self._session, instance, kernel, ramdisk, use_pv_kernel) VMHelper.create_vbd(session=self._session, vm_ref=vm_ref, -- cgit From 3764be9d65483a9e431b69f37e3516fa20961362 Mon Sep 17 00:00:00 2001 From: John Tran Date: Wed, 8 Jun 2011 17:15:35 -0700 Subject: raises exception.NoFloatingIpsDefined instead of UnknownError --- nova/api/ec2/cloud.py | 8 ++++++-- nova/tests/test_cloud.py | 3 ++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 316298c39..6c5dba8ed 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -39,6 +39,7 @@ from nova import flags from nova import ipv6 from nova import log as logging from nova import network +from nova import rpc from nova import utils from nova import volume from nova.api.ec2 import ec2utils @@ -872,8 +873,11 @@ class CloudController(object): def allocate_address(self, context, **kwargs): LOG.audit(_("Allocate address"), context=context) - public_ip = self.network_api.allocate_floating_ip(context) - return {'publicIp': public_ip} + try: + public_ip = self.network_api.allocate_floating_ip(context) + return {'publicIp': public_ip} + except rpc.RemoteError: + raise exception.NoFloatingIpsDefined def release_address(self, context, public_ip, **kwargs): LOG.audit(_("Release address %s"), public_ip, context=context) diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index d6d90e873..7cb13c919 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -123,7 +123,8 @@ class CloudTestCase(test.TestCase): 'host': self.network.host}) self.assertEqual(allocate(self.context)['publicIp'], address) db.floating_ip_destroy(self.context, address) - self.assertRaises(rpc.RemoteError, allocate, self.context) + self.assertRaises(exception.NoFloatingIpsDefined, allocate, + self.context) def test_associate_disassociate_address(self): """Verifies associate runs cleanly without raising an exception""" -- cgit From b11cf9bc7b1b9792bdab77aa72dc6163f3e44ca1 Mon Sep 17 00:00:00 2001 From: John Tran Date: Wed, 8 Jun 2011 17:17:40 -0700 Subject: removing custom exception, instead using NoFloatingIpsDefined --- nova/api/ec2/__init__.py | 6 ------ 1 file changed, 6 deletions(-) diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index 459ecb442..1915d007d 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -348,12 +348,6 @@ class Executor(wsgi.Application): LOG.debug(_('KeyPairExists raised: %s'), unicode(ex), context=context) return self._error(req, context, type(ex).__name__, unicode(ex)) - except rpc.RemoteError as ex: - LOG.debug(_('RemoteError raised: %s'), ex.exc_type, - context=context) - if ex.exc_type == 'NoMoreAddresses': - return self._error(req, context, 'AllocateAddressError', - ex.exc_type) except Exception as ex: extra = {'environment': req.environ} LOG.exception(_('Unexpected error raised: %s'), unicode(ex), -- cgit From 8096ee6c79c608fd84e016d5da7663549a95896f Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Thu, 9 Jun 2011 03:35:59 +0000 Subject: Support multiple glance-api servers --- nova/flags.py | 6 ++++-- nova/image/__init__.py | 7 ++++++- nova/image/glance.py | 24 +++++++++++++++++------- nova/virt/images.py | 7 +++++-- nova/virt/xenapi/vm_utils.py | 13 +++++++++---- 5 files changed, 41 insertions(+), 16 deletions(-) diff --git a/nova/flags.py b/nova/flags.py index d5090edba..51f0536e8 100644 --- a/nova/flags.py +++ b/nova/flags.py @@ -270,8 +270,10 @@ DEFINE_list('region_list', DEFINE_string('connection_type', 'libvirt', 'libvirt, xenapi or fake') DEFINE_string('aws_access_key_id', 'admin', 'AWS Access ID') DEFINE_string('aws_secret_access_key', 'admin', 'AWS Access Key') -DEFINE_integer('glance_port', 9292, 'glance port') -DEFINE_string('glance_host', '$my_ip', 'glance host') +# NOTE(sirp): my_ip interpolation doesn't work within nested structures +DEFINE_list('glance_api_servers', + [('127.0.0.1', 9292)], + 'list of glance servers available to nova') DEFINE_integer('s3_port', 3333, 's3 port') DEFINE_string('s3_host', '$my_ip', 's3 host (for infrastructure)') DEFINE_string('s3_dmz', '$my_ip', 's3 dmz ip (for instances)') diff --git a/nova/image/__init__.py b/nova/image/__init__.py index 93d83df24..a27d649d4 100644 --- a/nova/image/__init__.py +++ b/nova/image/__init__.py @@ -22,6 +22,7 @@ import nova from nova import exception from nova import utils from nova import flags +from nova.image import glance as glance_image_service FLAGS = flags.FLAGS @@ -48,6 +49,8 @@ def get_default_image_service(): return ImageService() +# FIXME(sirp): perhaps this should be moved to nova/images/glance so that we +# keep Glance specific code together for the most part def get_glance_client(image_href): """Get the correct glance client and id for the given image_href. @@ -62,7 +65,9 @@ def get_glance_client(image_href): """ image_href = image_href or 0 if str(image_href).isdigit(): - glance_client = GlanceClient(FLAGS.glance_host, FLAGS.glance_port) + glance_host, glance_port = \ + glance_image_service.pick_glance_api_server() + glance_client = GlanceClient(glance_host, glance_port) return (glance_client, int(image_href)) try: diff --git a/nova/image/glance.py b/nova/image/glance.py index 61308431d..b68415844 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -20,6 +20,7 @@ from __future__ import absolute_import import datetime +import random from glance.common import exception as glance_exception @@ -39,6 +40,15 @@ FLAGS = flags.FLAGS GlanceClient = utils.import_class('glance.client.Client') +def pick_glance_api_server(): + """Return which Glance API server to use for the request + + Returns (host, port) + """ + host, port = random.choice(FLAGS.glance_api_servers) + return host, port + + class GlanceImageService(service.BaseImageService): """Provides storage and retrieval of disk image objects within Glance.""" @@ -50,13 +60,13 @@ class GlanceImageService(service.BaseImageService): SERVICE_IMAGE_ATTRS = service.BaseImageService.BASE_IMAGE_ATTRS +\ GLANCE_ONLY_ATTRS - def __init__(self, client=None): - # FIXME(sirp): can we avoid dependency-injection here by using - # stubbing out a fake? - if client is None: - self.client = GlanceClient(FLAGS.glance_host, FLAGS.glance_port) - else: - self.client = client + @property + def client(self): + # NOTE(sirp): we want to load balance each request across glance + # servers. Since GlanceImageService is a long-lived object, `client` + # is made to choose a new server each time via this property. + glance_host, glance_port = pick_glance_api_server() + return GlanceClient(glance_host, glance_port) def index(self, context, filters=None, marker=None, limit=None): """Calls out to Glance for a list of images available.""" diff --git a/nova/virt/images.py b/nova/virt/images.py index de7ac61df..e6f3d3c9e 100644 --- a/nova/virt/images.py +++ b/nova/virt/images.py @@ -23,6 +23,7 @@ Handling of VM disk images. from nova import context from nova import flags +from nova.image import glance as glance_image_service import nova.image from nova import log as logging from nova import utils @@ -48,7 +49,9 @@ def fetch(image_href, path, _user, _project): # of retrieving the image using this method. def image_url(image): if FLAGS.image_service == "nova.image.glance.GlanceImageService": - return "http://%s:%s/images/%s" % (FLAGS.glance_host, - FLAGS.glance_port, image) + glance_host, glance_port = \ + glance_image_service.pick_glance_api_server() + return "http://%s:%s/images/%s" % (glance_host, glance_port, image) + return "http://%s:%s/_images/%s/image" % (FLAGS.s3_host, FLAGS.s3_port, image) diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py index 98668e6ae..ccde6cbfe 100644 --- a/nova/virt/xenapi/vm_utils.py +++ b/nova/virt/xenapi/vm_utils.py @@ -33,6 +33,7 @@ import glance.client from nova import exception from nova import flags import nova.image +from nova.image import glance as glance_image_service from nova import log as logging from nova import utils from nova.auth.manager import AuthManager @@ -358,10 +359,12 @@ class VMHelper(HelperBase): os_type = instance.os_type or FLAGS.default_os_type + glance_host, glance_port = \ + glance_image_service.pick_glance_api_server() params = {'vdi_uuids': vdi_uuids, 'image_id': image_id, - 'glance_host': FLAGS.glance_host, - 'glance_port': FLAGS.glance_port, + 'glance_host': glance_host, + 'glance_port': glance_port, 'sr_path': cls.get_sr_path(session), 'os_type': os_type} @@ -409,9 +412,11 @@ class VMHelper(HelperBase): # here (under Python 2.6+) and pass them as arguments uuid_stack = [str(uuid.uuid4()) for i in xrange(2)] + glance_host, glance_port = \ + glance_image_service.pick_glance_api_server() params = {'image_id': image, - 'glance_host': FLAGS.glance_host, - 'glance_port': FLAGS.glance_port, + 'glance_host': glance_host, + 'glance_port': glance_port, 'uuid_stack': uuid_stack, 'sr_path': cls.get_sr_path(session)} -- cgit From 463e0388308760dbf3bf2b3fa901d8076d002f91 Mon Sep 17 00:00:00 2001 From: John Tran Date: Thu, 9 Jun 2011 00:01:42 -0700 Subject: matched the inner exception specifically, instead of catching all RemoteError exceptions --- nova/api/ec2/cloud.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 6c5dba8ed..84a83d8e6 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -876,8 +876,11 @@ class CloudController(object): try: public_ip = self.network_api.allocate_floating_ip(context) return {'publicIp': public_ip} - except rpc.RemoteError: - raise exception.NoFloatingIpsDefined + except rpc.RemoteError as ex: + if ex.exc_type == 'NoMoreAddresses': + raise exception.NoFloatingIpsDefined + else: + raise def release_address(self, context, public_ip, **kwargs): LOG.audit(_("Release address %s"), public_ip, context=context) -- cgit From eda8a1aaa2cf7cc31c7fda4723849feee3bc6766 Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Thu, 9 Jun 2011 14:43:24 +0000 Subject: Fixing the tests --- nova/image/glance.py | 12 ++++++++++-- nova/tests/image/test_glance.py | 11 ++++++++--- 2 files changed, 18 insertions(+), 5 deletions(-) diff --git a/nova/image/glance.py b/nova/image/glance.py index b68415844..f82c0f4a3 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -60,14 +60,22 @@ class GlanceImageService(service.BaseImageService): SERVICE_IMAGE_ATTRS = service.BaseImageService.BASE_IMAGE_ATTRS +\ GLANCE_ONLY_ATTRS - @property - def client(self): + _client = None + + def _get_client(self): # NOTE(sirp): we want to load balance each request across glance # servers. Since GlanceImageService is a long-lived object, `client` # is made to choose a new server each time via this property. + if self._client is not None: + return self._client glance_host, glance_port = pick_glance_api_server() return GlanceClient(glance_host, glance_port) + def _set_client(self, client): + self._client = client + + client = property(_get_client, _set_client) + def index(self, context, filters=None, marker=None, limit=None): """Calls out to Glance for a list of images available.""" # NOTE(sirp): We need to use `get_images_detailed` and not diff --git a/nova/tests/image/test_glance.py b/nova/tests/image/test_glance.py index 041da1e13..033b8389c 100644 --- a/nova/tests/image/test_glance.py +++ b/nova/tests/image/test_glance.py @@ -17,6 +17,7 @@ import datetime +import stubout import unittest from nova import context @@ -60,12 +61,16 @@ class BaseGlanceTest(unittest.TestCase): NOW_DATETIME = datetime.datetime(2010, 10, 11, 10, 30, 22) def setUp(self): - # FIXME(sirp): we can probably use stubs library here rather than - # dependency injection + self.stubs = stubout.StubOutForTesting() self.client = StubGlanceClient(None) - self.service = glance.GlanceImageService(self.client) + self.service = glance.GlanceImageService() + self.stubs.Set(self.service, 'client', self.client) self.context = context.RequestContext(None, None) + def tearDown(self): + self.stubs.UnsetAll() + super(BaseGlanceTest, self).tearDown() + def assertDateTimesFilled(self, image_meta): self.assertEqual(image_meta['created_at'], self.NOW_DATETIME) self.assertEqual(image_meta['updated_at'], self.NOW_DATETIME) -- cgit From 467bda72a05a0fd9fa4d7d417da422eea04de220 Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Thu, 9 Jun 2011 18:51:21 +0000 Subject: 022 migration has already been added, so make ours 023 now --- .../versions/022_add_vm_mode_to_instances.py | 43 ---------------------- .../versions/023_add_vm_mode_to_instances.py | 43 ++++++++++++++++++++++ 2 files changed, 43 insertions(+), 43 deletions(-) delete mode 100644 nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py diff --git a/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py deleted file mode 100644 index 5b6a25e41..000000000 --- a/nova/db/sqlalchemy/migrate_repo/versions/022_add_vm_mode_to_instances.py +++ /dev/null @@ -1,43 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2010 OpenStack LLC. -# -# 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 Column, Integer, MetaData, String, Table - -meta = MetaData() - -instances = Table('instances', meta, - Column('id', Integer(), primary_key=True, nullable=False), - ) - -instances_vm_mode = Column('vm_mode', - String(length=255, convert_unicode=False, - assert_unicode=None, unicode_error=None, - _warn_on_bytestring=False), - nullable=True) - - -def upgrade(migrate_engine): - # Upgrade operations go here. Don't create your own engine; - # bind migrate_engine to your metadata - meta.bind = migrate_engine - - instances.create_column(instances_vm_mode) - - -def downgrade(migrate_engine): - meta.bind = migrate_engine - - instances.drop_column('vm_mode') diff --git a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py new file mode 100644 index 000000000..5b6a25e41 --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py @@ -0,0 +1,43 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 OpenStack LLC. +# +# 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 Column, Integer, MetaData, String, Table + +meta = MetaData() + +instances = Table('instances', meta, + Column('id', Integer(), primary_key=True, nullable=False), + ) + +instances_vm_mode = Column('vm_mode', + String(length=255, convert_unicode=False, + assert_unicode=None, unicode_error=None, + _warn_on_bytestring=False), + nullable=True) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + instances.create_column(instances_vm_mode) + + +def downgrade(migrate_engine): + meta.bind = migrate_engine + + instances.drop_column('vm_mode') -- cgit From e307bf5dd60dc84587f76d88956499ee1f1013fb Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Thu, 9 Jun 2011 21:36:20 +0000 Subject: Fixing code per review comments --- nova/flags.py | 4 ++-- nova/image/glance.py | 7 +++++-- nova/tests/image/test_glance.py | 9 +-------- nova/virt/images.py | 12 ------------ nova/virt/xenapi/vm_utils.py | 3 ++- 5 files changed, 10 insertions(+), 25 deletions(-) diff --git a/nova/flags.py b/nova/flags.py index 545cf90fe..acfcf8d68 100644 --- a/nova/flags.py +++ b/nova/flags.py @@ -272,8 +272,8 @@ DEFINE_string('aws_access_key_id', 'admin', 'AWS Access ID') DEFINE_string('aws_secret_access_key', 'admin', 'AWS Access Key') # NOTE(sirp): my_ip interpolation doesn't work within nested structures DEFINE_list('glance_api_servers', - [('127.0.0.1', 9292)], - 'list of glance servers available to nova') + ['127.0.0.1:9292'], + 'list of glance api servers available to nova (host:port)') DEFINE_integer('s3_port', 3333, 's3 port') DEFINE_string('s3_host', '$my_ip', 's3 host (for infrastructure)') DEFINE_string('s3_dmz', '$my_ip', 's3 dmz ip (for instances)') diff --git a/nova/image/glance.py b/nova/image/glance.py index f82c0f4a3..5712215bb 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -45,7 +45,9 @@ def pick_glance_api_server(): Returns (host, port) """ - host, port = random.choice(FLAGS.glance_api_servers) + host_port = random.choice(FLAGS.glance_api_servers) + host, port_str = host_port.split(':') + port = int(port_str) return host, port @@ -60,7 +62,8 @@ class GlanceImageService(service.BaseImageService): SERVICE_IMAGE_ATTRS = service.BaseImageService.BASE_IMAGE_ATTRS +\ GLANCE_ONLY_ATTRS - _client = None + def __init__(self, client=None): + self._client = client def _get_client(self): # NOTE(sirp): we want to load balance each request across glance diff --git a/nova/tests/image/test_glance.py b/nova/tests/image/test_glance.py index 033b8389c..223e7ae57 100644 --- a/nova/tests/image/test_glance.py +++ b/nova/tests/image/test_glance.py @@ -17,7 +17,6 @@ import datetime -import stubout import unittest from nova import context @@ -61,16 +60,10 @@ class BaseGlanceTest(unittest.TestCase): NOW_DATETIME = datetime.datetime(2010, 10, 11, 10, 30, 22) def setUp(self): - self.stubs = stubout.StubOutForTesting() self.client = StubGlanceClient(None) - self.service = glance.GlanceImageService() - self.stubs.Set(self.service, 'client', self.client) + self.service = glance.GlanceImageService(client=self.client) self.context = context.RequestContext(None, None) - def tearDown(self): - self.stubs.UnsetAll() - super(BaseGlanceTest, self).tearDown() - def assertDateTimesFilled(self, image_meta): self.assertEqual(image_meta['created_at'], self.NOW_DATETIME) self.assertEqual(image_meta['updated_at'], self.NOW_DATETIME) diff --git a/nova/virt/images.py b/nova/virt/images.py index e6f3d3c9e..40bf6107c 100644 --- a/nova/virt/images.py +++ b/nova/virt/images.py @@ -43,15 +43,3 @@ def fetch(image_href, path, _user, _project): elevated = context.get_admin_context() metadata = image_service.get(elevated, image_id, image_file) return metadata - - -# TODO(vish): xenapi should use the glance client code directly instead -# of retrieving the image using this method. -def image_url(image): - if FLAGS.image_service == "nova.image.glance.GlanceImageService": - glance_host, glance_port = \ - glance_image_service.pick_glance_api_server() - return "http://%s:%s/images/%s" % (glance_host, glance_port, image) - - return "http://%s:%s/_images/%s/image" % (FLAGS.s3_host, FLAGS.s3_port, - image) diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py index ccde6cbfe..b9d4346e4 100644 --- a/nova/virt/xenapi/vm_utils.py +++ b/nova/virt/xenapi/vm_utils.py @@ -581,7 +581,8 @@ class VMHelper(HelperBase): Returns: A single filename if image_type is KERNEL_RAMDISK A list of dictionaries that describe VDIs, otherwise """ - url = images.image_url(image) + url = "http://%s:%s/_images/%s/image" % (FLAGS.s3_host, FLAGS.s3_port, + image) LOG.debug(_("Asking xapi to fetch %(url)s as %(access)s") % locals()) if image_type == ImageType.KERNEL_RAMDISK: fn = 'get_kernel' -- cgit From 361fd763eb0cf3e62e0184dafd0f4a024e1871f5 Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Thu, 9 Jun 2011 21:50:34 +0000 Subject: Adding caveat --- nova/image/glance.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/nova/image/glance.py b/nova/image/glance.py index 5712215bb..6e058ab2f 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -43,6 +43,10 @@ GlanceClient = utils.import_class('glance.client.Client') def pick_glance_api_server(): """Return which Glance API server to use for the request + This method provides a very primitive form of load-balancing suitable for + testing and sandbox environments. In production, it would be better to use + one IP and route that to a real load-balancer. + Returns (host, port) """ host_port = random.choice(FLAGS.glance_api_servers) -- cgit From 810b580cb41b076b083ace1c4670c13b2f16c5a5 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Thu, 9 Jun 2011 16:19:24 -0700 Subject: forgot some debugging statements --- nova/api/openstack/create_instance_controller.py | 8 -------- nova/api/openstack/servers.py | 3 --- nova/compute/api.py | 1 - nova/image/__init__.py | 2 -- 4 files changed, 14 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 613a33b25..cffd944f7 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -76,7 +76,6 @@ class OpenstackCreateInstanceController(object): [instance dicts] vs. reservation_id). So the handling of the return type from this method is left to the caller. """ - print "************************ A" if not body: return (None, faults.Fault(exc.HTTPUnprocessableEntity())) @@ -84,7 +83,6 @@ class OpenstackCreateInstanceController(object): password = self._get_server_admin_password(body['server']) - print "************************ B" key_name = None key_data = None key_pairs = auth_manager.AuthManager.get_key_pairs(context) @@ -93,15 +91,11 @@ class OpenstackCreateInstanceController(object): key_name = key_pair['name'] key_data = key_pair['public_key'] - print "************************ C" image_href = self._image_ref_from_req_data(body) try: - print "************************ Ca" image_service, image_id = nova.image.get_image_service(image_href) - print "************************ Cb" kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image( req, image_id) - print "************************ Ce" images = set([str(x['id']) for x in image_service.index(context)]) assert str(image_id) in images except Exception, e: @@ -109,7 +103,6 @@ class OpenstackCreateInstanceController(object): locals()) return (None, faults.Fault(exc.HTTPBadRequest(msg))) - print "************************ D" personality = body['server'].get('personality') injected_files = [] @@ -118,7 +111,6 @@ class OpenstackCreateInstanceController(object): flavor_id = self._flavor_id_from_req_data(body) - print "************************ E" if not 'name' in body['server']: msg = _("Server name is not defined") return (None, exc.HTTPBadRequest(msg)) diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 23bb1c869..387b0343a 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -110,14 +110,11 @@ class Controller(base_controller.OpenstackCreateInstanceController): def create(self, req, body): """ Creates a new server for a given user """ - print "************************ 1" extra_values, result = \ self.create_instance(req, body, self.compute_api.create) - print "************************ 2" if extra_values is None: return result # a Fault. - print "************************ 3" instances = result (inst, ) = instances diff --git a/nova/compute/api.py b/nova/compute/api.py index 09ac7a2c6..c7db167c1 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -361,7 +361,6 @@ class API(base.Base): for num in range(num_instances): instance = self.create_db_entry_for_new_instance(context, base_options, security_groups, num=num) - print "*********** INSTANCE = ", instance instances.append(instance) instance_id = instance['id'] diff --git a/nova/image/__init__.py b/nova/image/__init__.py index bde600f70..93d83df24 100644 --- a/nova/image/__init__.py +++ b/nova/image/__init__.py @@ -84,12 +84,10 @@ def get_image_service(image_href): :returns: a tuple of the form (image_service, image_id) """ - print "******** XX" image_href = image_href or 0 if str(image_href).isdigit(): return (get_default_image_service(), int(image_href)) - print "******** X" (glance_client, image_id) = get_glance_client(image_href) image_service = nova.image.glance.GlanceImageService(glance_client) return (image_service, image_id) -- cgit From 1261d1340631206c8d47c6373ebd783e75f389ac Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Fri, 10 Jun 2011 05:27:05 -0700 Subject: fixed reraise in trap_error --- nova/scheduler/api.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/scheduler/api.py b/nova/scheduler/api.py index 789993890..ffe59d2c1 100644 --- a/nova/scheduler/api.py +++ b/nova/scheduler/api.py @@ -141,7 +141,7 @@ def call_zone_method(context, method_name, errors_to_ignore=None, except Exception as e: if type(e) in errors_to_ignore: return None - raise e + raise res = pool.spawn(_error_trap, *args, **kwargs) results.append((zone, res)) -- cgit From c2ed9160e9aba986e98a32514cb27ab34be9bf0c Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Fri, 10 Jun 2011 09:48:17 -0300 Subject: source illustrations added & spelling/grammar based on comstud's feedback --- doc/source/devref/distributed_scheduler.rst | 16 ++++++++++------ doc/source/devref/zone.rst | 4 ++-- doc/source/image_src/zones_distsched_illustrations.odp | Bin 0 -> 182810 bytes 3 files changed, 12 insertions(+), 8 deletions(-) create mode 100755 doc/source/image_src/zones_distsched_illustrations.odp diff --git a/doc/source/devref/distributed_scheduler.rst b/doc/source/devref/distributed_scheduler.rst index cc9e78916..e33fda4d2 100644 --- a/doc/source/devref/distributed_scheduler.rst +++ b/doc/source/devref/distributed_scheduler.rst @@ -14,10 +14,14 @@ License for the specific language governing permissions and limitations under the License. + Source for illustrations in doc/source/image_src/zone_distsched_illustrations.odp + (OpenOffice Impress format) Illustrations are "exported" to png and then scaled + to 400x300 or 640x480 as needed and placed in the doc/source/images directory. + Distributed Scheduler ===================== -The Scheduler is akin to a Dating Service. Requests for the creation of new instances come in and the most applicable Compute nodes are selected from a large pool of potential candidates. In a small deployment we may be happy with the currently available Change Scheduler which randomly selects a Host from the available pool. Or if you need something a little more fancy you may want to use the Availability Zone Scheduler, which selects Compute hosts from a logical partitioning of available hosts (within a single Zone). +The Scheduler is akin to a Dating Service. Requests for the creation of new instances come in and the most applicable Compute nodes are selected from a large pool of potential candidates. In a small deployment we may be happy with the currently available Chance Scheduler which randomly selects a Host from the available pool. Or if you need something a little more fancy you may want to use the Availability Zone Scheduler, which selects Compute hosts from a logical partitioning of available hosts (within a single Zone). .. image:: /images/dating_service.png @@ -27,13 +31,13 @@ This is the purpose of the Distributed Scheduler (DS). The DS utilizes the Capab So, how does this all work? -This document will explain the strategy employed by the `ZoneAwareScheduler` and its derivations. You should read the Zones documentation before reading this. +This document will explain the strategy employed by the `ZoneAwareScheduler` and its derivations. You should read the :doc:`devguide/zones` documentation before reading this. .. image:: /images/zone_aware_scheduler.png Costs & Weights --------------- -When deciding where to place an Instance, we compare a Weighted Cost for each Host. The Weighting, currently, is just the sum of each Cost. Costs are nothing more than integers from `0 - max_int`. Costs are computed by looking at the various Capabilities of the Host relative to the specs of the Instance being asked for. Trying to putting a plain vanilla instance on a high performance host should have a very high cost. But putting a vanilla instance on a vanilla Host should have a low cost. +When deciding where to place an Instance, we compare a Weighted Cost for each Host. The Weighting, currently, is just the sum of each Cost. Costs are nothing more than integers from `0 - max_int`. Costs are computed by looking at the various Capabilities of the Host relative to the specs of the Instance being asked for. Trying to put a plain vanilla instance on a high performance host should have a very high cost. But putting a vanilla instance on a vanilla Host should have a low cost. Some Costs are more esoteric. Consider a rule that says we should prefer Hosts that don't already have an instance on it that is owned by the user requesting it (to mitigate against machine failures). Here we have to look at all the other Instances on the host to compute our cost. @@ -107,7 +111,7 @@ The Catch --------- This all seems pretty straightforward but, like most things, there's a catch. Zones are expected to operate in complete isolation from each other. Each Zone has its own AMQP service, database and set of Nova services. But, for security reasons Zones should never leak information about the architectural layout internally. That means Zones cannot leak information about hostnames or service IP addresses outside of its world. -When `POST /zones/select` is called to estimate which compute node to use, time passes until the `POST /servers` call is issued. If we only passed the weight back from the `select` we would have to re-compute the appropriate compute node for the create command ... and we could end up with a different host. Somehow we need to remember the results of our computations and pass them outside of the Zone. Now, we could store this information in the local database and return a reference to it, but remember that the vast majority of weights are going be ignored. Storing them in the database would result in a flood of disk access and then we have to clean up all these entries periodically. Recall that there are going to be many many `select` calls issued to child Zones asking for estimates. +When `POST /zones/select` is called to estimate which compute node to use, time passes until the `POST /servers` call is issued. If we only passed the weight back from the `select` we would have to re-compute the appropriate compute node for the create command ... and we could end up with a different host. Somehow we need to remember the results of our computations and pass them outside of the Zone. Now, we could store this information in the local database and return a reference to it, but remember that the vast majority of weights are going to be ignored. Storing them in the database would result in a flood of disk access and then we have to clean up all these entries periodically. Recall that there are going to be many many `select` calls issued to child Zones asking for estimates. Instead, we take a rather innovative approach to the problem. We encrypt all the child zone internal details and pass them back the to parent Zone. If the parent zone decides to use a child Zone for the instance it simply passes the encrypted data back to the child during the `POST /servers` call as an extra parameter. The child Zone can then decrypt the hint and go directly to the Compute node previously selected. If the estimate isn't used, it is simply discarded by the parent. It's for this reason that it is so important that each Zone defines a unique encryption key via `--build_plan_encryption_key` @@ -122,7 +126,7 @@ NOTE: The features described in this section are related to the up-coming 'merge The OpenStack API allows a user to list all the instances they own via the `GET /servers/` command or the details on a particular instance via `GET /servers/###`. This mechanism is usually sufficient since OS API only allows for creating one instance at a time, unlike the EC2 API which allows you to specify a quantity of instances to be created. -NOTE: currently the `GET /servers` command is not Zone-aware since all operations done in child Zones are done via a single administrative account. Therefore, asking a child Zone to `GET /servers` would return all the active instances ... and that would be what the user intended. Later, when the Keystone Auth system is integrated with Nova, this functionality will be enabled. +NOTE: currently the `GET /servers` command is not Zone-aware since all operations done in child Zones are done via a single administrative account. Therefore, asking a child Zone to `GET /servers` would return all the active instances ... and that would not be what the user intended. Later, when the Keystone Auth system is integrated with Nova, this functionality will be enabled. We could use the OS API 1.1 Extensions mechanism to accept a `num_instances` parameter, but this would result in a different return code. Instead of getting back an `Instance` record, we would be getting back a `reservation_id`. So, instead, we've implemented a new command `POST /zones/boot` command which is nearly identical to `POST /servers` except that it takes a `num_instances` parameter and returns a `reservation_id`. Perhaps in OS API 2.x we can unify these approaches. @@ -149,7 +153,7 @@ Every `ZoneAwareScheduler` derivation must also override the `weigh_hosts` metho Simple Zone Aware Scheduling ---------------------------- -The easiest way to get started with the `ZoneAwareScheduler` is to use the `nova.scheduler.host_filter.HostFilterScheduler`. This scheduler uses the default Host Filter as and the `weight_hosts` method simply returns a weight of 1 for all hosts. But, from this, you can see calls being routed from Zone to Zone and follow the flow of things. +The easiest way to get started with the `ZoneAwareScheduler` is to use the `nova.scheduler.host_filter.HostFilterScheduler`. This scheduler uses the default Host Filter and the `weight_hosts` method simply returns a weight of 1 for all hosts. But, from this, you can see calls being routed from Zone to Zone and follow the flow of things. The `--scheduler_driver` flag is how you specify the scheduler class name. diff --git a/doc/source/devref/zone.rst b/doc/source/devref/zone.rst index 263560ee2..3dc0f80fd 100644 --- a/doc/source/devref/zone.rst +++ b/doc/source/devref/zone.rst @@ -21,7 +21,7 @@ A Nova deployment is called a Zone. A Zone allows you to partition your deployme The idea behind Zones is, if a particular deployment is not capable of servicing a particular request, the request may be forwarded to (child) Zones for possible processing. Zones may be nested in a tree fashion. -Zones only know about their immediate children, they do not know about their parent Zones and may in fact have more than one parent. Likewise, a Zone's children may themselves have child Zones. +Zones only know about their immediate children, they do not know about their parent Zones and may in fact have more than one parent. Likewise, a Zone's children may themselves have child Zones and, in those cases, the grandchild's internal structure would not be known to the grand-parent. Zones share nothing. They communicate via the public OpenStack API only. No database, queue, user or project definition is shared between Zones. @@ -99,7 +99,7 @@ You can get the `child zone api url`, `nova api key` and `username` from the `no export NOVA_URL="http://192.168.2.120:8774/v1.0/" -This equates to a POST operation to `.../zones/` to add a new zone. No connection attempt to the child zone is done when this command. It only puts an entry in the db at this point. After about 30 seconds the `ZoneManager` in the Scheduler services will attempt to talk to the child zone and get its information. +This equates to a POST operation to `.../zones/` to add a new zone. No connection attempt to the child zone is done with this command. It only puts an entry in the db at this point. After about 30 seconds the `ZoneManager` in the Scheduler services will attempt to talk to the child zone and get its information. Getting a list of child Zones ----------------------------- diff --git a/doc/source/image_src/zones_distsched_illustrations.odp b/doc/source/image_src/zones_distsched_illustrations.odp new file mode 100755 index 000000000..8762a183b Binary files /dev/null and b/doc/source/image_src/zones_distsched_illustrations.odp differ -- cgit From e763a0ac8981bdbee44c054c6be08b9f1a5d634d Mon Sep 17 00:00:00 2001 From: John Tran Date: Fri, 10 Jun 2011 10:24:24 -0700 Subject: style change --- nova/tests/test_cloud.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index 7cb13c919..c8313a5d3 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -123,7 +123,8 @@ class CloudTestCase(test.TestCase): 'host': self.network.host}) self.assertEqual(allocate(self.context)['publicIp'], address) db.floating_ip_destroy(self.context, address) - self.assertRaises(exception.NoFloatingIpsDefined, allocate, + self.assertRaises(exception.NoFloatingIpsDefined, + allocate, self.context) def test_associate_disassociate_address(self): -- cgit From a86523d5ae17b4e5507b14fade0a87c5434f2cac Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Fri, 10 Jun 2011 17:26:25 +0000 Subject: Fix copyright year --- .../db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py index 5b6a25e41..16b9826d9 100644 --- a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py +++ b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py @@ -1,6 +1,6 @@ # vim: tabstop=4 shiftwidth=4 softtabstop=4 -# Copyright 2010 OpenStack LLC. +# Copyright 2011 OpenStack LLC. # # 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 -- cgit From 0e7a2042cc5922bb014a77080ec0bdb93bbf575c Mon Sep 17 00:00:00 2001 From: John Tran Date: Fri, 10 Jun 2011 10:28:03 -0700 Subject: raise instance instead of class --- nova/api/ec2/cloud.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 84a83d8e6..5ed473b73 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -878,7 +878,7 @@ class CloudController(object): return {'publicIp': public_ip} except rpc.RemoteError as ex: if ex.exc_type == 'NoMoreAddresses': - raise exception.NoFloatingIpsDefined + raise exception.NoFloatingIpsDefined() else: raise -- cgit From 05fecdf873a5c02dcb13c841304df872411d4183 Mon Sep 17 00:00:00 2001 From: John Tran Date: Fri, 10 Jun 2011 11:10:58 -0700 Subject: added new exception more descriptive of not having available floating addresses avail for allocation --- nova/api/ec2/cloud.py | 2 +- nova/exception.py | 4 ++++ nova/tests/test_cloud.py | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 5ed473b73..e1c65ae40 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -878,7 +878,7 @@ class CloudController(object): return {'publicIp': public_ip} except rpc.RemoteError as ex: if ex.exc_type == 'NoMoreAddresses': - raise exception.NoFloatingIpsDefined() + raise exception.NoMoreFloatingIps() else: raise diff --git a/nova/exception.py b/nova/exception.py index 69b3e0359..1571dd032 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -376,6 +376,10 @@ class NoFloatingIpsDefinedForInstance(NoFloatingIpsDefined): message = _("Zero floating ips defined for instance %(instance_id)s.") +class NoMoreFloatingIps(NotFound): + message = _("Zero floating ips available.") + + class KeypairNotFound(NotFound): message = _("Keypair %(keypair_name)s not found for user %(user_id)s") diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index c8313a5d3..13046f861 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -123,7 +123,7 @@ class CloudTestCase(test.TestCase): 'host': self.network.host}) self.assertEqual(allocate(self.context)['publicIp'], address) db.floating_ip_destroy(self.context, address) - self.assertRaises(exception.NoFloatingIpsDefined, + self.assertRaises(exception.NoMoreFloatingIps, allocate, self.context) -- cgit From e986887d513855d5a5fd6ca90998860f67fcb1d3 Mon Sep 17 00:00:00 2001 From: William Wolf Date: Fri, 10 Jun 2011 15:28:17 -0400 Subject: force utf-8 encoding on toprettyxml call for XMLDictSerializer --- nova/api/openstack/wsgi.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index ddf4e6fa9..6760735c4 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -225,7 +225,7 @@ class XMLDictSerializer(DictSerializer): if not xmlns and self.xmlns: node.setAttribute('xmlns', self.xmlns) - return node.toprettyxml(indent=' ') + return node.toprettyxml(indent=' ', encoding='utf-8') def _to_xml_node(self, doc, metadata, nodename, data): """Recursive method to convert data members to XML nodes.""" -- cgit From 92423564aa24124b0144264d6cd1c57c78eaf5dd Mon Sep 17 00:00:00 2001 From: William Wolf Date: Fri, 10 Jun 2011 16:41:14 -0400 Subject: return body correctly as object instead of a string, with tests, also check for empty body on requests that need a body --- nova/api/openstack/server_metadata.py | 11 +++++++++-- nova/api/openstack/wsgi.py | 4 ++++ nova/tests/api/openstack/test_server_metadata.py | 25 ++++++++++++++++++++++++ 3 files changed, 38 insertions(+), 2 deletions(-) diff --git a/nova/api/openstack/server_metadata.py b/nova/api/openstack/server_metadata.py index b38b84a2a..c17d77d46 100644 --- a/nova/api/openstack/server_metadata.py +++ b/nova/api/openstack/server_metadata.py @@ -37,12 +37,18 @@ class Controller(object): meta_dict[key] = value return dict(metadata=meta_dict) + def _check_body(self, body): + if not body: + expl = _('No Request Body') + raise exc.HTTPBadRequest(explanation=expl) + def index(self, req, server_id): """ Returns the list of metadata for a given instance """ context = req.environ['nova.context'] return self._get_metadata(context, server_id) def create(self, req, server_id, body): + self._check_body(body) context = req.environ['nova.context'] metadata = body.get('metadata') try: @@ -51,9 +57,10 @@ class Controller(object): metadata) except quota.QuotaError as error: self._handle_quota_error(error) - return req.body + return body def update(self, req, server_id, id, body): + self._check_body(body) context = req.environ['nova.context'] if not id in body: expl = _('Request body and URI mismatch') @@ -68,7 +75,7 @@ class Controller(object): except quota.QuotaError as error: self._handle_quota_error(error) - return req.body + return body def show(self, req, server_id, id): """ Return a single metadata item """ diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index ddf4e6fa9..8c30cdeb9 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -348,16 +348,20 @@ class Resource(wsgi.Application): LOG.debug("%(method)s %(url)s" % {"method": request.method, "url": request.url}) + print "CALL" try: action, action_args, accept = self.deserializer.deserialize( request) except exception.InvalidContentType: return webob.exc.HTTPBadRequest(_("Unsupported Content-Type")) + print "CALL2" action_result = self.dispatch(request, action, action_args) + print "ACTION RESULT:", action_result, isinstance(action_result, str) #TODO(bcwaldon): find a more elegant way to pass through non-dict types if type(action_result) is dict: + print "DICT" response = self.serializer.serialize(action_result, accept) else: response = action_result diff --git a/nova/tests/api/openstack/test_server_metadata.py b/nova/tests/api/openstack/test_server_metadata.py index c4d1d4fd8..b583d40fe 100644 --- a/nova/tests/api/openstack/test_server_metadata.py +++ b/nova/tests/api/openstack/test_server_metadata.py @@ -89,6 +89,7 @@ class ServerMetaDataTest(unittest.TestCase): res = req.get_response(fakes.wsgi_app()) res_dict = json.loads(res.body) self.assertEqual(200, res.status_int) + self.assertEqual('application/json', res.headers['Content-Type']) self.assertEqual('value1', res_dict['metadata']['key1']) def test_index_no_data(self): @@ -99,6 +100,7 @@ class ServerMetaDataTest(unittest.TestCase): res = req.get_response(fakes.wsgi_app()) res_dict = json.loads(res.body) self.assertEqual(200, res.status_int) + self.assertEqual('application/json', res.headers['Content-Type']) self.assertEqual(0, len(res_dict['metadata'])) def test_show(self): @@ -109,6 +111,7 @@ class ServerMetaDataTest(unittest.TestCase): res = req.get_response(fakes.wsgi_app()) res_dict = json.loads(res.body) self.assertEqual(200, res.status_int) + self.assertEqual('application/json', res.headers['Content-Type']) self.assertEqual('value5', res_dict['key5']) def test_show_meta_not_found(self): @@ -140,8 +143,19 @@ class ServerMetaDataTest(unittest.TestCase): res = req.get_response(fakes.wsgi_app()) res_dict = json.loads(res.body) self.assertEqual(200, res.status_int) + self.assertEqual('application/json', res.headers['Content-Type']) self.assertEqual('value1', res_dict['metadata']['key1']) + def test_create_empty_body(self): + self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', + return_create_instance_metadata) + req = webob.Request.blank('/v1.1/servers/1/meta') + req.environ['api.version'] = '1.1' + req.method = 'POST' + req.headers["content-type"] = "application/json" + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(400, res.status_int) + def test_update_item(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', return_create_instance_metadata) @@ -152,9 +166,20 @@ class ServerMetaDataTest(unittest.TestCase): req.headers["content-type"] = "application/json" res = req.get_response(fakes.wsgi_app()) self.assertEqual(200, res.status_int) + self.assertEqual('application/json', res.headers['Content-Type']) res_dict = json.loads(res.body) self.assertEqual('value1', res_dict['key1']) + def test_update_item_empty_body(self): + self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', + return_create_instance_metadata) + req = webob.Request.blank('/v1.1/servers/1/meta/key1') + req.environ['api.version'] = '1.1' + req.method = 'PUT' + req.headers["content-type"] = "application/json" + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(400, res.status_int) + def test_update_item_too_many_keys(self): self.stubs.Set(nova.db.api, 'instance_metadata_update_or_create', return_create_instance_metadata) -- cgit From cbaa94ac255cde729bae3257da6657a114755224 Mon Sep 17 00:00:00 2001 From: William Wolf Date: Fri, 10 Jun 2011 16:43:13 -0400 Subject: got rid of prints for debugging --- nova/api/openstack/wsgi.py | 4 ---- 1 file changed, 4 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 8c30cdeb9..ddf4e6fa9 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -348,20 +348,16 @@ class Resource(wsgi.Application): LOG.debug("%(method)s %(url)s" % {"method": request.method, "url": request.url}) - print "CALL" try: action, action_args, accept = self.deserializer.deserialize( request) except exception.InvalidContentType: return webob.exc.HTTPBadRequest(_("Unsupported Content-Type")) - print "CALL2" action_result = self.dispatch(request, action, action_args) - print "ACTION RESULT:", action_result, isinstance(action_result, str) #TODO(bcwaldon): find a more elegant way to pass through non-dict types if type(action_result) is dict: - print "DICT" response = self.serializer.serialize(action_result, accept) else: response = action_result -- cgit -- cgit From 8146b92f7d81eada6408f939ef25cb5393650008 Mon Sep 17 00:00:00 2001 From: Brian Waldon Date: Fri, 10 Jun 2011 18:39:58 -0400 Subject: adding support for cusom serialization methods --- nova/api/openstack/wsgi.py | 11 +++++++---- nova/tests/api/openstack/test_wsgi.py | 8 ++++---- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index ddf4e6fa9..e71b80e2c 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -189,7 +189,10 @@ class DictSerializer(object): def serialize(self, data, action='default'): """Find local serialization method and encode response body.""" - action_method = getattr(self, action, self.default) + if action is None: + action_method = self.default + else: + action_method = getattr(self, action, self.default) return action_method(data) def default(self, data): @@ -296,7 +299,7 @@ class ResponseSerializer(object): } self.serializers.update(serializers or {}) - def serialize(self, response_data, content_type): + def serialize(self, response_data, content_type, action='default'): """Serialize a dict into a string and wrap in a wsgi.Request object. :param response_data: dict produced by the Controller @@ -307,7 +310,7 @@ class ResponseSerializer(object): response.headers['Content-Type'] = content_type serializer = self.get_serializer(content_type) - response.body = serializer.serialize(response_data) + response.body = serializer.serialize(response_data, action) return response @@ -358,7 +361,7 @@ class Resource(wsgi.Application): #TODO(bcwaldon): find a more elegant way to pass through non-dict types if type(action_result) is dict: - response = self.serializer.serialize(action_result, accept) + response = self.serializer.serialize(action_result, accept, action) else: response = action_result diff --git a/nova/tests/api/openstack/test_wsgi.py b/nova/tests/api/openstack/test_wsgi.py index ebbdc9409..0329ab218 100644 --- a/nova/tests/api/openstack/test_wsgi.py +++ b/nova/tests/api/openstack/test_wsgi.py @@ -171,11 +171,11 @@ class XMLDeserializerTest(test.TestCase): class ResponseSerializerTest(test.TestCase): def setUp(self): class JSONSerializer(object): - def serialize(self, data): + def serialize(self, data, action='default'): return 'pew_json' class XMLSerializer(object): - def serialize(self, data): + def serialize(self, data, action='default'): return 'pew_xml' self.serializers = { @@ -211,11 +211,11 @@ class ResponseSerializerTest(test.TestCase): class RequestDeserializerTest(test.TestCase): def setUp(self): class JSONDeserializer(object): - def deserialize(self, data): + def deserialize(self, data, action='default'): return 'pew_json' class XMLDeserializer(object): - def deserialize(self, data): + def deserialize(self, data, action='default'): return 'pew_xml' self.deserializers = { -- cgit From 73303a34652c738064821ede0258a799435c63d1 Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Sat, 11 Jun 2011 22:12:59 -0400 Subject: Updated so that we use a 'tmp' subdirectory under the Xen SR when staging migrations. Fixes an issue where you would get a 'File exists' error because the directory under 'images' already existed (created via the rsync copy). --- plugins/xenserver/xenapi/etc/xapi.d/plugins/migration | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/plugins/xenserver/xenapi/etc/xapi.d/plugins/migration b/plugins/xenserver/xenapi/etc/xapi.d/plugins/migration index 75c653408..ac1c50ad9 100644 --- a/plugins/xenserver/xenapi/etc/xapi.d/plugins/migration +++ b/plugins/xenserver/xenapi/etc/xapi.d/plugins/migration @@ -44,7 +44,7 @@ def move_vhds_into_sr(session, args): new_cow_uuid = params['new_cow_uuid'] sr_path = params['sr_path'] - sr_temp_path = "%s/images/" % sr_path + sr_temp_path = "%s/tmp/" % sr_path # Discover the copied VHDs locally, and then set up paths to copy # them to under the SR -- cgit From bd31a85575ce53dfa80f414dd359b3bdb2855292 Mon Sep 17 00:00:00 2001 From: William Wolf Date: Mon, 13 Jun 2011 08:53:34 -0400 Subject: check for none and empty string, this way empty dicts/lists will be ok --- nova/api/openstack/server_metadata.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/api/openstack/server_metadata.py b/nova/api/openstack/server_metadata.py index c17d77d46..57666f6b7 100644 --- a/nova/api/openstack/server_metadata.py +++ b/nova/api/openstack/server_metadata.py @@ -38,7 +38,7 @@ class Controller(object): return dict(metadata=meta_dict) def _check_body(self, body): - if not body: + if body == None or body == "": expl = _('No Request Body') raise exc.HTTPBadRequest(explanation=expl) -- cgit From 67e11fa809c83f25af9d09eac1bbe1c69a22a311 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Mon, 13 Jun 2011 10:10:45 -0400 Subject: fixed bug 796619 --- nova/crypto.py | 3 ++- nova/tests/test_crypto.py | 69 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 71 insertions(+), 1 deletion(-) diff --git a/nova/crypto.py b/nova/crypto.py index bdc32482a..8d535f426 100644 --- a/nova/crypto.py +++ b/nova/crypto.py @@ -176,7 +176,8 @@ def revoke_certs_by_project(project_id): def revoke_certs_by_user_and_project(user_id, project_id): """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): + for cert in db.certificate_get_all_by_user_and_project(admin, + user_id, project_id): revoke_cert(cert['project_id'], cert['file_name']) diff --git a/nova/tests/test_crypto.py b/nova/tests/test_crypto.py index 945d78794..1356ec8b8 100644 --- a/nova/tests/test_crypto.py +++ b/nova/tests/test_crypto.py @@ -16,7 +16,10 @@ Tests for Crypto module. """ +import mox + from nova import crypto +from nova import db from nova import test @@ -46,3 +49,69 @@ class SymmetricKeyTestCase(test.TestCase): plain = decrypt(cipher_text) self.assertEquals(plain_text, plain) + + +class RevokeCertsTest(test.TestCase): + + def test_revoke_certs_by_user_and_project(self): + user_id = 'test_user' + project_id = 2 + file_name = 'test_file' + + certificates = [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] + + self.mox.StubOutWithMock(db, 'certificate_get_all_by_user_and_project') + db.certificate_get_all_by_user_and_project(mox.IgnoreArg(), \ + user_id, project_id).AndReturn(certificates) + + self.mox.StubOutWithMock(crypto, 'revoke_cert') + crypto.revoke_cert(project_id, mox.IgnoreArg()) + + self.mox.ReplayAll() + + crypto.revoke_certs_by_user_and_project(user_id, project_id) + + self.mox.VerifyAll() + + def test_revoke_certs_by_user(self): + user_id = 'test_user' + project_id = 2 + file_name = 'test_file' + + certificates = [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] + + self.mox.StubOutWithMock(db, 'certificate_get_all_by_user') + db.certificate_get_all_by_user(mox.IgnoreArg(), \ + user_id).AndReturn(certificates) + + self.mox.StubOutWithMock(crypto, 'revoke_cert') + crypto.revoke_cert(project_id, mox.IgnoreArg()) + + self.mox.ReplayAll() + + crypto.revoke_certs_by_user(user_id) + + self.mox.VerifyAll() + + def test_revoke_certs_by_project(self): + user_id = 'test_user' + project_id = 2 + file_name = 'test_file' + + certificates = [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] + + self.mox.StubOutWithMock(db, 'certificate_get_all_by_project') + db.certificate_get_all_by_project(mox.IgnoreArg(), \ + project_id).AndReturn(certificates) + + self.mox.StubOutWithMock(crypto, 'revoke_cert') + crypto.revoke_cert(project_id, mox.IgnoreArg()) + + self.mox.ReplayAll() + + crypto.revoke_certs_by_project(project_id) + + self.mox.VerifyAll() -- cgit From db3280e5177df92484bf0a52b5f6ed89dfea63dd Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 13 Jun 2011 09:39:58 -0700 Subject: zones image_id/image_href support for 1.0/1.1 --- nova/api/openstack/__init__.py | 8 ++++---- nova/api/openstack/create_instance_controller.py | 2 -- nova/api/openstack/servers.py | 2 -- nova/api/openstack/zones.py | 19 +++++++++++-------- 4 files changed, 15 insertions(+), 16 deletions(-) diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index 4650445d7..e0ae55105 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -81,7 +81,7 @@ class APIRouter(base_wsgi.Router): self._setup_routes(mapper) super(APIRouter, self).__init__(mapper) - def _setup_routes(self, mapper): + def _setup_routes(self, mapper, version='1.0'): server_members = self.server_members server_members['action'] = 'POST' if FLAGS.allow_admin_api: @@ -99,7 +99,7 @@ class APIRouter(base_wsgi.Router): server_members['inject_network_info'] = 'POST' mapper.resource("zone", "zones", - controller=zones.create_resource(), + controller=zones.create_resource(version), collection={'detail': 'GET', 'info': 'GET', 'select': 'POST', @@ -126,7 +126,7 @@ class APIRouterV10(APIRouter): """Define routes specific to OpenStack API V1.0.""" def _setup_routes(self, mapper): - super(APIRouterV10, self)._setup_routes(mapper) + super(APIRouterV10, self)._setup_routes(mapper, version='1.0') mapper.resource("server", "servers", controller=servers.create_resource('1.0'), collection={'detail': 'GET'}, @@ -162,7 +162,7 @@ class APIRouterV11(APIRouter): """Define routes specific to OpenStack API V1.1.""" def _setup_routes(self, mapper): - super(APIRouterV11, self)._setup_routes(mapper) + super(APIRouterV11, self)._setup_routes(mapper, version='1.1') mapper.resource("server", "servers", controller=servers.create_resource('1.1'), collection={'detail': 'GET'}, diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index cffd944f7..2d807470a 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -19,7 +19,6 @@ import base64 import re import webob -from urlparse import urlparse from webob import exc from xml.dom import minidom @@ -31,7 +30,6 @@ from nova import quota from nova import utils from nova.compute import instance_types -from nova.api.openstack import common from nova.api.openstack import faults from nova.api.openstack import wsgi from nova.auth import manager as auth_manager diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 387b0343a..9799c3dea 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -17,7 +17,6 @@ import base64 import traceback from webob import exc -from xml.dom import minidom from nova import compute from nova import exception @@ -32,7 +31,6 @@ import nova.api.openstack.views.flavors import nova.api.openstack.views.images import nova.api.openstack.views.servers from nova.api.openstack import wsgi -from nova.auth import manager as auth_manager import nova.api.openstack from nova.scheduler import api as scheduler_api diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 250848165..91b063cad 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -69,8 +69,9 @@ class Controller(controller.OpenstackCreateInstanceController): doing that (shared with Servers). """ - def __init__(self): + def __init__(self, version): self.compute_api = compute.API() + self.version = version super(Controller, self).__init__() def index(self, req): @@ -160,16 +161,18 @@ class Controller(controller.OpenstackCreateInstanceController): blob=cipher_text)) return cooked - # Assume OS 1.0 functionality for these overrides. - - def _image_id_from_req_data(self, data): - return data['server']['imageId'] + def _image_ref_from_req_data(self, data): + if self.version == '1.0': + return data['server']['imageId'] + return data['server']['imageRef'] def _flavor_id_from_req_data(self, data): - return data['server']['flavorId'] + if self.version == '1.0': + return data['server']['flavorId'] + return data['server']['flavorRef'] -def create_resource(): +def create_resource(version): metadata = { "attributes": { "zone": ["id", "api_url", "name", "capabilities"], @@ -185,5 +188,5 @@ def create_resource(): 'application/xml': controller.ServerXMLDeserializer(), } - return wsgi.Resource(Controller(), serializers=serializers, + return wsgi.Resource(Controller(version), serializers=serializers, deserializers=deserializers) -- cgit From e7e501a1a77f01247d84fa88275e858a338c6c95 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Mon, 13 Jun 2011 10:59:58 -0700 Subject: removed yucky None return types --- nova/api/openstack/create_instance_controller.py | 16 ++++++++++++---- nova/api/openstack/servers.py | 11 +++++++---- nova/api/openstack/zones.py | 8 +++++--- 3 files changed, 24 insertions(+), 11 deletions(-) diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py index 2d807470a..90f2542d9 100644 --- a/nova/api/openstack/create_instance_controller.py +++ b/nova/api/openstack/create_instance_controller.py @@ -39,6 +39,14 @@ LOG = logging.getLogger('nova.api.openstack.create_instance_controller') FLAGS = flags.FLAGS +class CreateFault(exception.NovaException): + message = _("Invalid parameters given to create_instance.") + + def __init__(self, fault): + self.fault = fault + super(CreateFault, self).__init__() + + class OpenstackCreateInstanceController(object): """This is the base class for OS API Controllers that are capable of creating instances (currently Servers and Zones). @@ -75,7 +83,7 @@ class OpenstackCreateInstanceController(object): return type from this method is left to the caller. """ if not body: - return (None, faults.Fault(exc.HTTPUnprocessableEntity())) + raise faults.Fault(exc.HTTPUnprocessableEntity()) context = req.environ['nova.context'] @@ -99,7 +107,7 @@ class OpenstackCreateInstanceController(object): except Exception, e: msg = _("Cannot find requested image %(image_href)s: %(e)s" % locals()) - return (None, faults.Fault(exc.HTTPBadRequest(msg))) + raise faults.Fault(exc.HTTPBadRequest(msg)) personality = body['server'].get('personality') @@ -111,7 +119,7 @@ class OpenstackCreateInstanceController(object): if not 'name' in body['server']: msg = _("Server name is not defined") - return (None, exc.HTTPBadRequest(msg)) + raise exc.HTTPBadRequest(msg) zone_blob = body['server'].get('blob') name = body['server']['name'] @@ -150,7 +158,7 @@ class OpenstackCreateInstanceController(object): self._handle_quota_error(error) except exception.ImageNotFound as error: msg = _("Can not find requested image") - return faults.Fault(exc.HTTPBadRequest(msg)) + raise faults.Fault(exc.HTTPBadRequest(msg)) # Let the caller deal with unhandled exceptions. diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 9799c3dea..1b18c4ecb 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -108,10 +108,13 @@ class Controller(base_controller.OpenstackCreateInstanceController): def create(self, req, body): """ Creates a new server for a given user """ - extra_values, result = \ - self.create_instance(req, body, self.compute_api.create) - if extra_values is None: - return result # a Fault. + extra_values = None + result = None + try: + extra_values, result = \ + self.create_instance(req, body, self.compute_api.create) + except faults.Fault, f: + return f instances = result diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 91b063cad..7ccb8555b 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -130,10 +130,12 @@ class Controller(controller.OpenstackCreateInstanceController): Returns a reservation ID (a UUID). """ - extra_values, result = self.create_instance(req, body, + result = None + try: + extra_values, result = self.create_instance(req, body, self.compute_api.create_all_at_once) - if extra_values is None: - return result # a Fault. + except faults.Fault, f: + return f reservation_id = result return {'reservation_id': reservation_id} -- cgit From f2ca12fc5ea236bb8940acce80065a3bcbe37d2a Mon Sep 17 00:00:00 2001 From: Brian Waldon Date: Mon, 13 Jun 2011 15:03:26 -0400 Subject: wsgi can now handle dispatching action None more elegantly --- nova/api/openstack/wsgi.py | 13 ++++++------- nova/tests/api/openstack/test_wsgi.py | 13 +++++++++++++ 2 files changed, 19 insertions(+), 7 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index e71b80e2c..385ae4625 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -60,8 +60,9 @@ class TextDeserializer(object): def deserialize(self, datastring, action='default'): """Find local deserialization method and parse request body.""" - action_method = getattr(self, action, self.default) - return action_method(datastring) + action_method = getattr(self, str(action), self.default) + output = action_method(datastring) + return output def default(self, datastring): """Default deserialization code should live here""" @@ -189,11 +190,9 @@ class DictSerializer(object): def serialize(self, data, action='default'): """Find local serialization method and encode response body.""" - if action is None: - action_method = self.default - else: - action_method = getattr(self, action, self.default) - return action_method(data) + action_method = getattr(self, str(action), self.default) + output = action_method(data) + return output def default(self, data): """Default serialization code should live here""" diff --git a/nova/tests/api/openstack/test_wsgi.py b/nova/tests/api/openstack/test_wsgi.py index 0329ab218..5ec7712dd 100644 --- a/nova/tests/api/openstack/test_wsgi.py +++ b/nova/tests/api/openstack/test_wsgi.py @@ -89,6 +89,13 @@ class DictSerializerTest(test.TestCase): serializer.default = lambda x: 'trousers' self.assertEqual(serializer.serialize({}, 'update'), 'trousers') + def test_dispatch_action_None(self): + serializer = wsgi.DictSerializer() + serializer.create = lambda x: 'pants' + serializer.default = lambda x: 'trousers' + self.assertEqual(serializer.serialize({}, None), 'trousers') + + class XMLDictSerializerTest(test.TestCase): def test_xml(self): @@ -123,6 +130,12 @@ class TextDeserializerTest(test.TestCase): deserializer.default = lambda x: 'trousers' self.assertEqual(deserializer.deserialize({}, 'update'), 'trousers') + def test_dispatch_action_None(self): + deserializer = wsgi.TextDeserializer() + deserializer.create = lambda x: 'pants' + deserializer.default = lambda x: 'trousers' + self.assertEqual(deserializer.deserialize({}, None), 'trousers') + class JSONDeserializerTest(test.TestCase): def test_json(self): -- cgit From 83df6e50fa90620dd7510e1a06d9128d4de7cb29 Mon Sep 17 00:00:00 2001 From: Brian Waldon Date: Mon, 13 Jun 2011 15:08:00 -0400 Subject: removing unnecessary lines --- nova/api/openstack/wsgi.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 385ae4625..6cb73d8bf 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -61,8 +61,7 @@ class TextDeserializer(object): def deserialize(self, datastring, action='default'): """Find local deserialization method and parse request body.""" action_method = getattr(self, str(action), self.default) - output = action_method(datastring) - return output + return action_method(datastring) def default(self, datastring): """Default deserialization code should live here""" @@ -191,8 +190,7 @@ class DictSerializer(object): def serialize(self, data, action='default'): """Find local serialization method and encode response body.""" action_method = getattr(self, str(action), self.default) - output = action_method(data) - return output + return action_method(data) def default(self, data): """Default serialization code should live here""" -- cgit From bdfded59fda6716adbbcf981a45d1ed90aa23f89 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Mon, 13 Jun 2011 15:18:55 -0400 Subject: Improved tests --- nova/tests/test_crypto.py | 46 ++++++++++++++++++++++++++++++---------------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/nova/tests/test_crypto.py b/nova/tests/test_crypto.py index 1356ec8b8..8eaef3293 100644 --- a/nova/tests/test_crypto.py +++ b/nova/tests/test_crypto.py @@ -17,6 +17,7 @@ Tests for Crypto module. """ import mox +import stubout from nova import crypto from nova import db @@ -53,20 +54,31 @@ class SymmetricKeyTestCase(test.TestCase): class RevokeCertsTest(test.TestCase): + def setUp(self): + super(RevokeCertsTest, self).setUp() + self.stubs = stubout.StubOutForTesting() + + def tearDown(self): + self.stubs.UnsetAll() + super(RevokeCertsTest, self).tearDown() + def test_revoke_certs_by_user_and_project(self): user_id = 'test_user' project_id = 2 file_name = 'test_file' - certificates = [{"user_id": user_id, "project_id": project_id, - "file_name": file_name}] + def mock_certificate_get_all_by_user_and_project(context, + user_id, + project_id): + + return [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] - self.mox.StubOutWithMock(db, 'certificate_get_all_by_user_and_project') - db.certificate_get_all_by_user_and_project(mox.IgnoreArg(), \ - user_id, project_id).AndReturn(certificates) + self.stubs.Set(db, 'certificate_get_all_by_user_and_project', + mock_certificate_get_all_by_user_and_project) self.mox.StubOutWithMock(crypto, 'revoke_cert') - crypto.revoke_cert(project_id, mox.IgnoreArg()) + crypto.revoke_cert(project_id, file_name) self.mox.ReplayAll() @@ -79,12 +91,13 @@ class RevokeCertsTest(test.TestCase): project_id = 2 file_name = 'test_file' - certificates = [{"user_id": user_id, "project_id": project_id, - "file_name": file_name}] + def mock_certificate_get_all_by_user(context, user_id): + + return [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] - self.mox.StubOutWithMock(db, 'certificate_get_all_by_user') - db.certificate_get_all_by_user(mox.IgnoreArg(), \ - user_id).AndReturn(certificates) + self.stubs.Set(db, 'certificate_get_all_by_user', + mock_certificate_get_all_by_user) self.mox.StubOutWithMock(crypto, 'revoke_cert') crypto.revoke_cert(project_id, mox.IgnoreArg()) @@ -100,12 +113,13 @@ class RevokeCertsTest(test.TestCase): project_id = 2 file_name = 'test_file' - certificates = [{"user_id": user_id, "project_id": project_id, - "file_name": file_name}] + def mock_certificate_get_all_by_project(context, project_id): + + return [{"user_id": user_id, "project_id": project_id, + "file_name": file_name}] - self.mox.StubOutWithMock(db, 'certificate_get_all_by_project') - db.certificate_get_all_by_project(mox.IgnoreArg(), \ - project_id).AndReturn(certificates) + self.stubs.Set(db, 'certificate_get_all_by_project', + mock_certificate_get_all_by_project) self.mox.StubOutWithMock(crypto, 'revoke_cert') crypto.revoke_cert(project_id, mox.IgnoreArg()) -- cgit From 431b9d52f2eb325c8be90d45d102c9e238d02325 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Mon, 13 Jun 2011 15:24:02 -0400 Subject: pep8 --- nova/tests/test_crypto.py | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/nova/tests/test_crypto.py b/nova/tests/test_crypto.py index 8eaef3293..6c25b396e 100644 --- a/nova/tests/test_crypto.py +++ b/nova/tests/test_crypto.py @@ -67,15 +67,15 @@ class RevokeCertsTest(test.TestCase): project_id = 2 file_name = 'test_file' - def mock_certificate_get_all_by_user_and_project(context, + def mock_certificate_get_all_by_user_and_project(context, user_id, project_id): - return [{"user_id": user_id, "project_id": project_id, + return [{"user_id": user_id, "project_id": project_id, "file_name": file_name}] - self.stubs.Set(db, 'certificate_get_all_by_user_and_project', - mock_certificate_get_all_by_user_and_project) + self.stubs.Set(db, 'certificate_get_all_by_user_and_project', + mock_certificate_get_all_by_user_and_project) self.mox.StubOutWithMock(crypto, 'revoke_cert') crypto.revoke_cert(project_id, file_name) @@ -91,12 +91,12 @@ class RevokeCertsTest(test.TestCase): project_id = 2 file_name = 'test_file' - def mock_certificate_get_all_by_user(context, user_id): + def mock_certificate_get_all_by_user(context, user_id): - return [{"user_id": user_id, "project_id": project_id, + return [{"user_id": user_id, "project_id": project_id, "file_name": file_name}] - self.stubs.Set(db, 'certificate_get_all_by_user', + self.stubs.Set(db, 'certificate_get_all_by_user', mock_certificate_get_all_by_user) self.mox.StubOutWithMock(crypto, 'revoke_cert') @@ -115,10 +115,10 @@ class RevokeCertsTest(test.TestCase): def mock_certificate_get_all_by_project(context, project_id): - return [{"user_id": user_id, "project_id": project_id, + return [{"user_id": user_id, "project_id": project_id, "file_name": file_name}] - self.stubs.Set(db, 'certificate_get_all_by_project', + self.stubs.Set(db, 'certificate_get_all_by_project', mock_certificate_get_all_by_project) self.mox.StubOutWithMock(crypto, 'revoke_cert') -- cgit From bebeaa6b0bf69c0a4017d429e79174401df28550 Mon Sep 17 00:00:00 2001 From: Josh Kearney Date: Mon, 13 Jun 2011 15:20:43 -0500 Subject: Removed clocksource=jiffies from PV_args. --- nova/tests/test_xenapi.py | 2 +- nova/virt/xenapi/vm_utils.py | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py index 3a175b106..d1c88287a 100644 --- a/nova/tests/test_xenapi.py +++ b/nova/tests/test_xenapi.py @@ -331,7 +331,7 @@ class XenAPIVMTestCase(test.TestCase): def check_vm_params_for_linux(self): self.assertEquals(self.vm['platform']['nx'], 'false') - self.assertEquals(self.vm['PV_args'], 'clocksource=jiffies') + self.assertEquals(self.vm['PV_args'], '') self.assertEquals(self.vm['PV_bootloader'], 'pygrub') # check that these are not set diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py index b9d4346e4..11da221f2 100644 --- a/nova/virt/xenapi/vm_utils.py +++ b/nova/virt/xenapi/vm_utils.py @@ -157,7 +157,6 @@ class VMHelper(HelperBase): rec['PV_ramdisk'] = ramdisk else: # 2. Use kernel within the image - rec['PV_args'] = 'clocksource=jiffies' rec['PV_bootloader'] = 'pygrub' else: # 3. Using hardware virtualization -- cgit From d9c2a7112ba239fb64ecc76ce844caed9146a5dc Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Mon, 13 Jun 2011 20:46:25 +0000 Subject: Load table schema automatically instead of stubbing out --- .../sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py index 16b9826d9..2f7bfddcb 100644 --- a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py +++ b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py @@ -18,9 +18,7 @@ from sqlalchemy import Column, Integer, MetaData, String, Table meta = MetaData() -instances = Table('instances', meta, - Column('id', Integer(), primary_key=True, nullable=False), - ) +instances = Table('instances', meta, autoload=True) instances_vm_mode = Column('vm_mode', String(length=255, convert_unicode=False, -- cgit From f3381ee03355d8800d229efb7f799df9e6c915e2 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Mon, 13 Jun 2011 21:14:26 -0400 Subject: pep8 --- nova/api/openstack/limits.py | 2 +- nova/compute/api.py | 2 +- nova/tests/scheduler/test_host_filter.py | 8 ++++---- nova/tests/scheduler/test_least_cost_scheduler.py | 8 ++++---- nova/tests/scheduler/test_zone_aware_scheduler.py | 2 +- 5 files changed, 11 insertions(+), 11 deletions(-) diff --git a/nova/api/openstack/limits.py b/nova/api/openstack/limits.py index dc2bc6bbc..fede96e33 100644 --- a/nova/api/openstack/limits.py +++ b/nova/api/openstack/limits.py @@ -99,7 +99,7 @@ def create_resource(version='1.0'): serializers = { 'application/xml': wsgi.XMLDictSerializer(xmlns=xmlns, - metadata=metadata) + metadata=metadata), } return wsgi.Resource(controller, serializers=serializers) diff --git a/nova/compute/api.py b/nova/compute/api.py index b0949a729..5afc0480a 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -281,7 +281,7 @@ class API(base.Base): 'instance_type': instance_type, 'filter': filter_class, 'blob': zone_blob, - 'num_instances': num_instances + 'num_instances': num_instances, } rpc.cast(context, diff --git a/nova/tests/scheduler/test_host_filter.py b/nova/tests/scheduler/test_host_filter.py index 07817cc5a..10eafde08 100644 --- a/nova/tests/scheduler/test_host_filter.py +++ b/nova/tests/scheduler/test_host_filter.py @@ -133,11 +133,11 @@ class HostFilterTestCase(test.TestCase): raw = ['or', ['and', ['<', '$compute.host_memory_free', 30], - ['<', '$compute.disk_available', 300] + ['<', '$compute.disk_available', 300], ], ['and', ['>', '$compute.host_memory_free', 70], - ['>', '$compute.disk_available', 700] + ['>', '$compute.disk_available', 700], ] ] cooked = json.dumps(raw) @@ -183,12 +183,12 @@ class HostFilterTestCase(test.TestCase): self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps([]))) self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps({}))) self.assertTrue(hf.filter_hosts(self.zone_manager, json.dumps( - ['not', True, False, True, False] + ['not', True, False, True, False], ))) try: hf.filter_hosts(self.zone_manager, json.dumps( - 'not', True, False, True, False + 'not', True, False, True, False, )) self.fail("Should give KeyError") except KeyError, e: diff --git a/nova/tests/scheduler/test_least_cost_scheduler.py b/nova/tests/scheduler/test_least_cost_scheduler.py index 506fa62fb..9a5318aee 100644 --- a/nova/tests/scheduler/test_least_cost_scheduler.py +++ b/nova/tests/scheduler/test_least_cost_scheduler.py @@ -44,7 +44,7 @@ class WeightedSumTestCase(test.TestCase): hosts = [ FakeHost(1, 512 * MB, 100), FakeHost(2, 256 * MB, 400), - FakeHost(3, 512 * MB, 100) + FakeHost(3, 512 * MB, 100), ] weighted_fns = [ @@ -96,7 +96,7 @@ class LeastCostSchedulerTestCase(test.TestCase): def test_noop_cost_fn(self): FLAGS.least_cost_scheduler_cost_functions = [ - 'nova.scheduler.least_cost.noop_cost_fn' + 'nova.scheduler.least_cost.noop_cost_fn', ] FLAGS.noop_cost_fn_weight = 1 @@ -110,7 +110,7 @@ class LeastCostSchedulerTestCase(test.TestCase): def test_cost_fn_weights(self): FLAGS.least_cost_scheduler_cost_functions = [ - 'nova.scheduler.least_cost.noop_cost_fn' + 'nova.scheduler.least_cost.noop_cost_fn', ] FLAGS.noop_cost_fn_weight = 2 @@ -124,7 +124,7 @@ class LeastCostSchedulerTestCase(test.TestCase): def test_fill_first_cost_fn(self): FLAGS.least_cost_scheduler_cost_functions = [ - 'nova.scheduler.least_cost.fill_first_cost_fn' + 'nova.scheduler.least_cost.fill_first_cost_fn', ] FLAGS.fill_first_cost_fn_weight = 1 diff --git a/nova/tests/scheduler/test_zone_aware_scheduler.py b/nova/tests/scheduler/test_zone_aware_scheduler.py index 9f70b9dbc..37c6488cc 100644 --- a/nova/tests/scheduler/test_zone_aware_scheduler.py +++ b/nova/tests/scheduler/test_zone_aware_scheduler.py @@ -201,7 +201,7 @@ class ZoneAwareSchedulerTestCase(test.TestCase): 'instance_properties': {}, 'instance_type': {}, 'filter_driver': 'nova.scheduler.host_filter.AllHostsFilter', - 'blob': "Non-None blob data" + 'blob': "Non-None blob data", } result = sched.schedule_run_instance(None, 1, request_spec) -- cgit From 00071a6e0bd9bf70d7e7afd1656fea39d5149e68 Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Tue, 14 Jun 2011 01:21:08 +0000 Subject: Adds --show-elapsed option for run_tests --- run_tests.py | 80 ++++++++++++++++++++++++++++++++++++++++++++++-------------- run_tests.sh | 1 + 2 files changed, 63 insertions(+), 18 deletions(-) diff --git a/run_tests.py b/run_tests.py index d5d8acd16..ace916535 100644 --- a/run_tests.py +++ b/run_tests.py @@ -56,9 +56,11 @@ To run a single test module: """ import gettext +import heapq import os import unittest import sys +import time gettext.install('nova', unicode=1) @@ -185,7 +187,10 @@ class _NullColorizer(object): class NovaTestResult(result.TextTestResult): def __init__(self, *args, **kw): + self.show_elapsed = kw.pop('show_elapsed') result.TextTestResult.__init__(self, *args, **kw) + self.num_slow_tests = 5 + self.slow_tests = [] # this is a fixed-sized heap self._last_case = None self.colorizer = None # NOTE(vish): reset stdout for the terminal check @@ -200,25 +205,48 @@ class NovaTestResult(result.TextTestResult): def getDescription(self, test): return str(test) - # NOTE(vish): copied from unittest with edit to add color - def addSuccess(self, test): - unittest.TestResult.addSuccess(self, test) + def _handleElapsedTime(self, test): + self.elapsed_time = time.time() - self.start_time + item = (self.elapsed_time, test) + # Record only the n-slowest tests using heap + if len(self.slow_tests) >= self.num_slow_tests: + heapq.heappushpop(self.slow_tests, item) + else: + heapq.heappush(self.slow_tests, item) + + def _writeElapsedTime(self, test): + if self.elapsed_time >= 3.0: + color = 'red' + elif self.elapsed_time >= 1.0: + color = 'yellow' + else: + color = 'green' + + self.stream.write(' ' * 10) + self.colorizer.write("%.2f" % self.elapsed_time, color) + self.stream.write(' secs') + + def _writeResult(self, test, long_result, color, short_result): if self.showAll: - self.colorizer.write("OK", 'green') + self.colorizer.write(long_result, color) + if self.show_elapsed: + self._writeElapsedTime(test) self.stream.writeln() elif self.dots: - self.stream.write('.') + self.stream.write(short_result) self.stream.flush() + # NOTE(vish): copied from unittest with edit to add color + def addSuccess(self, test): + unittest.TestResult.addSuccess(self, test) + self._handleElapsedTime(test) + self._writeResult(test, 'OK', 'green', '.') + # NOTE(vish): copied from unittest with edit to add color def addFailure(self, test, err): unittest.TestResult.addFailure(self, test, err) - if self.showAll: - self.colorizer.write("FAIL", 'red') - self.stream.writeln() - elif self.dots: - self.stream.write('F') - self.stream.flush() + self._handleElapsedTime(test) + self._writeResult(test, 'FAIL', 'red', 'F') # NOTE(vish): copied from nose with edit to add color def addError(self, test, err): @@ -226,6 +254,7 @@ class NovaTestResult(result.TextTestResult): errorClasses. If the exception is a registered class, the error will be added to the list for that class, not errors. """ + self._handleElapsedTime(test) stream = getattr(self, 'stream', None) ec, ev, tb = err try: @@ -252,14 +281,11 @@ class NovaTestResult(result.TextTestResult): self.errors.append((test, exc_info)) test.passed = False if stream is not None: - if self.showAll: - self.colorizer.write("ERROR", 'red') - self.stream.writeln() - elif self.dots: - stream.write('E') + self._writeResult(test, 'ERROR', 'red', 'E') def startTest(self, test): unittest.TestResult.startTest(self, test) + self.start_time = time.time() current_case = test.test.__class__.__name__ if self.showAll: @@ -273,21 +299,38 @@ class NovaTestResult(result.TextTestResult): class NovaTestRunner(core.TextTestRunner): + def __init__(self, *args, **kwargs): + self.show_elapsed = kwargs.pop('show_elapsed') + core.TextTestRunner.__init__(self, *args, **kwargs) + def _makeResult(self): return NovaTestResult(self.stream, self.descriptions, self.verbosity, - self.config) + self.config, + show_elapsed=self.show_elapsed) + + def run(self, test): + result_ = core.TextTestRunner.run(self, test) + if self.show_elapsed: + self.stream.writeln("Slowest %i tests:" % result_.num_slow_tests) + for elapsed_time, test in reversed(sorted(result_.slow_tests)): + time_str = "%.2f secs" % elapsed_time + self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) + return result_ if __name__ == '__main__': logging.setup() # If any argument looks like a test name but doesn't have "nova.tests" in # front of it, automatically add that so we don't have to type as much + show_elapsed = False argv = [] for x in sys.argv: if x.startswith('test_'): argv.append('nova.tests.%s' % x) + elif x.startswith('--show-elapsed'): + show_elapsed = True else: argv.append(x) @@ -300,5 +343,6 @@ if __name__ == '__main__': runner = NovaTestRunner(stream=c.stream, verbosity=c.verbosity, - config=c) + config=c, + show_elapsed=show_elapsed) sys.exit(not core.run(config=c, testRunner=runner, argv=argv)) diff --git a/run_tests.sh b/run_tests.sh index c7bcd5d67..5fc406035 100755 --- a/run_tests.sh +++ b/run_tests.sh @@ -10,6 +10,7 @@ function usage { 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 " --show-elapsed Print elapsed time for tests along with slowest tests" echo "" echo "Note: with no options specified, the script will try to run the tests in a virtual environment," echo " If no virtualenv is found, the script will ask if you would like to create one. If you " -- cgit From a3ddb45464204464c93b1deb692414c44ce99376 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 14 Jun 2011 10:16:51 -0400 Subject: Created new exception for handling malformed requests Wrote tests Raise httpBadRequest on malformed request bodies --- nova/api/openstack/wsgi.py | 16 +++++++++++++--- nova/exception.py | 4 ++++ nova/tests/api/openstack/test_api.py | 21 +++++++++++++++++++++ 3 files changed, 38 insertions(+), 3 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index b0e2cab2c..7f17471c4 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -2,6 +2,7 @@ import json import webob from xml.dom import minidom +from xml.parsers.expat import ExpatError from nova import exception from nova import log as logging @@ -71,7 +72,10 @@ class TextDeserializer(object): class JSONDeserializer(TextDeserializer): def default(self, datastring): - return utils.loads(datastring) + try: + return utils.loads(datastring) + except ValueError: + raise exception.MalformedRequestBody() class XMLDeserializer(TextDeserializer): @@ -86,8 +90,12 @@ class XMLDeserializer(TextDeserializer): def default(self, datastring): plurals = set(self.metadata.get('plurals', {})) - node = minidom.parseString(datastring).childNodes[0] - return {node.nodeName: self._from_xml_node(node, plurals)} + + try: + node = minidom.parseString(datastring).childNodes[0] + return {node.nodeName: self._from_xml_node(node, plurals)} + except ExpatError: + raise exception.MalformedRequestBody() def _from_xml_node(self, node, listnames): """Convert a minidom node to a simple Python type. @@ -353,6 +361,8 @@ class Resource(wsgi.Application): request) except exception.InvalidContentType: return webob.exc.HTTPBadRequest(_("Unsupported Content-Type")) + except exception.MalformedRequestBody: + return webob.exc.HTTPBadRequest(_("Malformed request")) action_result = self.dispatch(request, action, action_args) diff --git a/nova/exception.py b/nova/exception.py index 1571dd032..ffd88fbe7 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -585,3 +585,7 @@ class InstanceExists(Duplicate): class MigrationError(NovaException): message = _("Migration error") + ": %(reason)s" + + +class MalformedRequestBody(NovaException): + message = _("Malformed message body") + ": %(reason)s" diff --git a/nova/tests/api/openstack/test_api.py b/nova/tests/api/openstack/test_api.py index c63431a45..7321c329f 100644 --- a/nova/tests/api/openstack/test_api.py +++ b/nova/tests/api/openstack/test_api.py @@ -15,6 +15,8 @@ # License for the specific language governing permissions and limitations # under the License. +import json + import webob.exc import webob.dec @@ -23,6 +25,7 @@ from webob import Request from nova import test from nova.api import openstack from nova.api.openstack import faults +from nova.tests.api.openstack import fakes class APITest(test.TestCase): @@ -31,6 +34,24 @@ class APITest(test.TestCase): # simpler version of the app than fakes.wsgi_app return openstack.FaultWrapper(inner_app) + def test_malformed_json(self): + req = webob.Request.blank('/') + req.method = 'POST' + req.body = '{' + req.headers["content-type"] = "application/json" + + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(res.status_int, 400) + + def test_malformed_xml(self): + req = webob.Request.blank('/') + req.method = 'POST' + req.body = '' + req.headers["content-type"] = "application/xml" + + res = req.get_response(fakes.wsgi_app()) + self.assertEqual(res.status_int, 400) + def test_exceptions_are_converted_to_faults(self): @webob.dec.wsgify -- cgit From 70bb9494639ec26f12b71dc22052d3e5b343890f Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Tue, 14 Jun 2011 15:36:07 +0000 Subject: autoload with the appropriate engine during upgrade/downgrade --- .../migrate_repo/versions/023_add_vm_mode_to_instances.py | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py index 2f7bfddcb..0c587f569 100644 --- a/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py +++ b/nova/db/sqlalchemy/migrate_repo/versions/023_add_vm_mode_to_instances.py @@ -18,8 +18,6 @@ from sqlalchemy import Column, Integer, MetaData, String, Table meta = MetaData() -instances = Table('instances', meta, autoload=True) - instances_vm_mode = Column('vm_mode', String(length=255, convert_unicode=False, assert_unicode=None, unicode_error=None, @@ -32,10 +30,16 @@ def upgrade(migrate_engine): # bind migrate_engine to your metadata meta.bind = migrate_engine + instances = Table('instances', meta, autoload=True, + autoload_with=migrate_engine) + instances.create_column(instances_vm_mode) def downgrade(migrate_engine): meta.bind = migrate_engine + instances = Table('instances', meta, autoload=True, + autoload_with=migrate_engine) + instances.drop_column('vm_mode') -- cgit From 9806dacb03023d1db22e9cf833845ba8498657a3 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 14 Jun 2011 12:02:15 -0400 Subject: Added faults wrapper --- nova/api/openstack/wsgi.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 7f17471c4..affc781dc 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -5,6 +5,7 @@ from xml.dom import minidom from xml.parsers.expat import ExpatError from nova import exception +import faults from nova import log as logging from nova import utils from nova import wsgi @@ -362,7 +363,9 @@ class Resource(wsgi.Application): except exception.InvalidContentType: return webob.exc.HTTPBadRequest(_("Unsupported Content-Type")) except exception.MalformedRequestBody: - return webob.exc.HTTPBadRequest(_("Malformed request")) + explanation = _("Malformed request") + return faults.Fault(webob.exc.HTTPBadRequest( + explanation=explanation)) action_result = self.dispatch(request, action, action_args) -- cgit From e9f6e47a92090a9a7867c2a117ae6cf58db394ac Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 14 Jun 2011 12:36:46 -0400 Subject: Improved errors --- nova/api/openstack/wsgi.py | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index affc781dc..0b749e115 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -76,7 +76,8 @@ class JSONDeserializer(TextDeserializer): try: return utils.loads(datastring) except ValueError: - raise exception.MalformedRequestBody() + raise exception.MalformedRequestBody( + "malformed JSON in request body") class XMLDeserializer(TextDeserializer): @@ -96,7 +97,8 @@ class XMLDeserializer(TextDeserializer): node = minidom.parseString(datastring).childNodes[0] return {node.nodeName: self._from_xml_node(node, plurals)} except ExpatError: - raise exception.MalformedRequestBody() + raise exception.MalformedRequestBody( + "malformed XML in request Body") def _from_xml_node(self, node, listnames): """Convert a minidom node to a simple Python type. @@ -363,7 +365,7 @@ class Resource(wsgi.Application): except exception.InvalidContentType: return webob.exc.HTTPBadRequest(_("Unsupported Content-Type")) except exception.MalformedRequestBody: - explanation = _("Malformed request") + explanation = _("Malformed request body") return faults.Fault(webob.exc.HTTPBadRequest( explanation=explanation)) -- cgit From f46c9d7c96d591d1fffe2f45aee3e8d437e016bf Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Tue, 14 Jun 2011 16:39:37 +0000 Subject: Making timing points stricter, only show slow/sluggish tests in summary --- run_tests.py | 44 +++++++++++++++++++++++++++++++------------- 1 file changed, 31 insertions(+), 13 deletions(-) diff --git a/run_tests.py b/run_tests.py index ace916535..3ecc146fd 100644 --- a/run_tests.py +++ b/run_tests.py @@ -185,6 +185,22 @@ class _NullColorizer(object): self.stream.write(text) +def classify_test_speed(elapsed_time): + if elapsed_time > 1.0: + return 'slow' + elif elapsed_time > 0.25: + return 'sluggish' + else: + return 'fast' + + +def get_elapsed_time_color(elapsed_time): + color_map = {'slow': 'red', 'sluggish': 'yellow', 'fast': 'green'} + slowness = classify_test_speed(elapsed_time) + color = color_map[slowness] + return color + + class NovaTestResult(result.TextTestResult): def __init__(self, *args, **kw): self.show_elapsed = kw.pop('show_elapsed') @@ -215,15 +231,8 @@ class NovaTestResult(result.TextTestResult): heapq.heappush(self.slow_tests, item) def _writeElapsedTime(self, test): - if self.elapsed_time >= 3.0: - color = 'red' - elif self.elapsed_time >= 1.0: - color = 'yellow' - else: - color = 'green' - - self.stream.write(' ' * 10) - self.colorizer.write("%.2f" % self.elapsed_time, color) + color = get_elapsed_time_color(self.elapsed_time) + self.colorizer.write(" %.2f" % self.elapsed_time, color) self.stream.write(' secs') def _writeResult(self, test, long_result, color, short_result): @@ -310,13 +319,22 @@ class NovaTestRunner(core.TextTestRunner): self.config, show_elapsed=self.show_elapsed) + def _writeSlowTests(self, result_): + # Pare out 'fast' tests + slow_tests = [item for item in result_.slow_tests + if classify_test_speed(item[0]) != 'fast'] + + slow_total_time = sum(item[0] for item in slow_tests) + self.stream.writeln("Slowest %i tests took %.2f secs:" + % (len(slow_tests), slow_total_time)) + for elapsed_time, test in sorted(slow_tests, reverse=True): + time_str = "%.2f secs" % elapsed_time + self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) + def run(self, test): result_ = core.TextTestRunner.run(self, test) if self.show_elapsed: - self.stream.writeln("Slowest %i tests:" % result_.num_slow_tests) - for elapsed_time, test in reversed(sorted(result_.slow_tests)): - time_str = "%.2f secs" % elapsed_time - self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) + self._writeSlowTests(result_) return result_ -- cgit From e89aad7ca0ba7ab5e9b83fa6fd9cde7fb22924bf Mon Sep 17 00:00:00 2001 From: Johannes Erdfelt Date: Tue, 14 Jun 2011 17:22:33 +0000 Subject: Really PEP8? A tab is inferior to 2 spaces? --- nova/virt/xenapi/vmops.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 624588b6b..d105cf300 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -166,7 +166,7 @@ class VMOps(object): use_pv_kernel = True elif vm_mode in ('hv', 'hvm'): use_pv_kernel = False - vm_mode = 'hvm' # Normalize + vm_mode = 'hvm' # Normalize else: use_pv_kernel = VMHelper.determine_is_pv(self._session, instance.id, first_vdi_ref, disk_image_type, -- cgit From cf66a99314d6420725e32daf6a08404c98239107 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 14 Jun 2011 13:27:28 -0400 Subject: mp fixes --- nova/api/openstack/wsgi.py | 4 ++-- nova/exception.py | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 0b749e115..43b51b64a 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -77,7 +77,7 @@ class JSONDeserializer(TextDeserializer): return utils.loads(datastring) except ValueError: raise exception.MalformedRequestBody( - "malformed JSON in request body") + reason=_("malformed JSON in request body")) class XMLDeserializer(TextDeserializer): @@ -98,7 +98,7 @@ class XMLDeserializer(TextDeserializer): return {node.nodeName: self._from_xml_node(node, plurals)} except ExpatError: raise exception.MalformedRequestBody( - "malformed XML in request Body") + reason=_("malformed XML in request body")) def _from_xml_node(self, node, listnames): """Convert a minidom node to a simple Python type. diff --git a/nova/exception.py b/nova/exception.py index ffd88fbe7..f3a452228 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -588,4 +588,4 @@ class MigrationError(NovaException): class MalformedRequestBody(NovaException): - message = _("Malformed message body") + ": %(reason)s" + message = _("Malformed message body: %(reason)s") -- cgit From a3282ac30255a63f166947a052af0fcda4992621 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 14 Jun 2011 11:40:15 -0700 Subject: refactored out controller base class to use aggregation over inheritance --- nova/api/openstack/create_instance_controller.py | 344 ---------------------- nova/api/openstack/create_instance_helper.py | 346 +++++++++++++++++++++++ nova/api/openstack/servers.py | 33 ++- nova/api/openstack/zones.py | 48 ++-- nova/tests/api/openstack/test_servers.py | 14 +- 5 files changed, 404 insertions(+), 381 deletions(-) delete mode 100644 nova/api/openstack/create_instance_controller.py create mode 100644 nova/api/openstack/create_instance_helper.py diff --git a/nova/api/openstack/create_instance_controller.py b/nova/api/openstack/create_instance_controller.py deleted file mode 100644 index 90f2542d9..000000000 --- a/nova/api/openstack/create_instance_controller.py +++ /dev/null @@ -1,344 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2010 OpenStack LLC. -# All Rights Reserved. -# -# 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. - -import base64 -import re -import webob - -from webob import exc -from xml.dom import minidom - -from nova import exception -from nova import flags -from nova import log as logging -import nova.image -from nova import quota -from nova import utils - -from nova.compute import instance_types -from nova.api.openstack import faults -from nova.api.openstack import wsgi -from nova.auth import manager as auth_manager - - -LOG = logging.getLogger('nova.api.openstack.create_instance_controller') -FLAGS = flags.FLAGS - - -class CreateFault(exception.NovaException): - message = _("Invalid parameters given to create_instance.") - - def __init__(self, fault): - self.fault = fault - super(CreateFault, self).__init__() - - -class OpenstackCreateInstanceController(object): - """This is the base class for OS API Controllers that - are capable of creating instances (currently Servers and Zones). - - Once we stabilize the Zones portion of the API we may be able - to move this code back into servers.py - """ - - def __init__(self): - """We need the image service to create an instance.""" - self._image_service = utils.import_object(FLAGS.image_service) - super(OpenstackCreateInstanceController, self).__init__() - - # Default to the 1.0 naming scheme. - - def _image_ref_from_req_data(self, data): - return data['server']['imageId'] - - def _flavor_id_from_req_data(self, data): - return data['server']['flavorId'] - - def _get_server_admin_password(self, server): - """ Determine the admin password for a server on creation """ - return utils.generate_password(16) - - def create_instance(self, req, body, create_method): - """Creates a new server for the given user. The approach - used depends on the create_method. For example, the standard - POST /server call uses compute.api.create(), while - POST /zones/server uses compute.api.create_all_at_once(). - - The problem is, both approaches return different values (i.e. - [instance dicts] vs. reservation_id). So the handling of the - return type from this method is left to the caller. - """ - if not body: - raise faults.Fault(exc.HTTPUnprocessableEntity()) - - context = req.environ['nova.context'] - - password = self._get_server_admin_password(body['server']) - - key_name = None - key_data = None - key_pairs = auth_manager.AuthManager.get_key_pairs(context) - if key_pairs: - key_pair = key_pairs[0] - key_name = key_pair['name'] - key_data = key_pair['public_key'] - - image_href = self._image_ref_from_req_data(body) - try: - image_service, image_id = nova.image.get_image_service(image_href) - kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image( - req, image_id) - images = set([str(x['id']) for x in image_service.index(context)]) - assert str(image_id) in images - except Exception, e: - msg = _("Cannot find requested image %(image_href)s: %(e)s" % - locals()) - raise faults.Fault(exc.HTTPBadRequest(msg)) - - personality = body['server'].get('personality') - - injected_files = [] - if personality: - injected_files = self._get_injected_files(personality) - - flavor_id = self._flavor_id_from_req_data(body) - - if not 'name' in body['server']: - msg = _("Server name is not defined") - raise exc.HTTPBadRequest(msg) - - zone_blob = body['server'].get('blob') - name = body['server']['name'] - self._validate_server_name(name) - name = name.strip() - - reservation_id = body['server'].get('reservation_id') - - try: - inst_type = \ - instance_types.get_instance_type_by_flavor_id(flavor_id) - extra_values = { - 'instance_type': inst_type, - 'image_ref': image_href, - 'password': password - } - - return (extra_values, - create_method(context, - inst_type, - image_id, - kernel_id=kernel_id, - ramdisk_id=ramdisk_id, - display_name=name, - display_description=name, - key_name=key_name, - key_data=key_data, - metadata=body['server'].get('metadata', {}), - injected_files=injected_files, - admin_password=password, - zone_blob=zone_blob, - reservation_id=reservation_id - ) - ) - except quota.QuotaError as error: - self._handle_quota_error(error) - except exception.ImageNotFound as error: - msg = _("Can not find requested image") - raise faults.Fault(exc.HTTPBadRequest(msg)) - - # Let the caller deal with unhandled exceptions. - - def _handle_quota_error(self, error): - """ - Reraise quota errors as api-specific http exceptions - """ - if error.code == "OnsetFileLimitExceeded": - expl = _("Personality file limit exceeded") - raise exc.HTTPBadRequest(explanation=expl) - if error.code == "OnsetFilePathLimitExceeded": - expl = _("Personality file path too long") - raise exc.HTTPBadRequest(explanation=expl) - if error.code == "OnsetFileContentLimitExceeded": - expl = _("Personality file content too long") - raise exc.HTTPBadRequest(explanation=expl) - # if the original error is okay, just reraise it - raise error - - def _deserialize_create(self, request): - """ - Deserialize a create request - - Overrides normal behavior in the case of xml content - """ - if request.content_type == "application/xml": - deserializer = ServerCreateRequestXMLDeserializer() - return deserializer.deserialize(request.body) - else: - return self._deserialize(request.body, request.get_content_type()) - - def _validate_server_name(self, value): - if not isinstance(value, basestring): - msg = _("Server name is not a string or unicode") - raise exc.HTTPBadRequest(msg) - - if value.strip() == '': - msg = _("Server name is an empty string") - raise exc.HTTPBadRequest(msg) - - def _get_kernel_ramdisk_from_image(self, req, image_id): - """Fetch an image from the ImageService, then if present, return the - associated kernel and ramdisk image IDs. - """ - context = req.environ['nova.context'] - image_meta = self._image_service.show(context, image_id) - # NOTE(sirp): extracted to a separate method to aid unit-testing, the - # new method doesn't need a request obj or an ImageService stub - kernel_id, ramdisk_id = self._do_get_kernel_ramdisk_from_image( - image_meta) - return kernel_id, ramdisk_id - - @staticmethod - def _do_get_kernel_ramdisk_from_image(image_meta): - """Given an ImageService image_meta, return kernel and ramdisk image - ids if present. - - This is only valid for `ami` style images. - """ - image_id = image_meta['id'] - if image_meta['status'] != 'active': - raise exception.ImageUnacceptable(image_id=image_id, - reason=_("status is not active")) - - if image_meta.get('container_format') != 'ami': - return None, None - - try: - kernel_id = image_meta['properties']['kernel_id'] - except KeyError: - raise exception.KernelNotFoundForImage(image_id=image_id) - - try: - ramdisk_id = image_meta['properties']['ramdisk_id'] - except KeyError: - raise exception.RamdiskNotFoundForImage(image_id=image_id) - - return kernel_id, ramdisk_id - - def _get_injected_files(self, personality): - """ - Create a list of injected files from the personality attribute - - At this time, injected_files must be formatted as a list of - (file_path, file_content) pairs for compatibility with the - underlying compute service. - """ - injected_files = [] - - for item in personality: - try: - path = item['path'] - contents = item['contents'] - except KeyError as key: - expl = _('Bad personality format: missing %s') % key - raise exc.HTTPBadRequest(explanation=expl) - except TypeError: - expl = _('Bad personality format') - raise exc.HTTPBadRequest(explanation=expl) - try: - contents = base64.b64decode(contents) - except TypeError: - expl = _('Personality content for %s cannot be decoded') % path - raise exc.HTTPBadRequest(explanation=expl) - injected_files.append((path, contents)) - return injected_files - - -class ServerXMLDeserializer(wsgi.XMLDeserializer): - """ - Deserializer to handle xml-formatted server create requests. - - Handles standard server attributes as well as optional metadata - and personality attributes - """ - - def create(self, string): - """Deserialize an xml-formatted server create request""" - dom = minidom.parseString(string) - server = self._extract_server(dom) - return {'server': server} - - def _extract_server(self, node): - """Marshal the server attribute of a parsed request""" - server = {} - server_node = self._find_first_child_named(node, 'server') - for attr in ["name", "imageId", "flavorId", "imageRef", "flavorRef"]: - if server_node.getAttribute(attr): - server[attr] = server_node.getAttribute(attr) - metadata = self._extract_metadata(server_node) - if metadata is not None: - server["metadata"] = metadata - personality = self._extract_personality(server_node) - if personality is not None: - server["personality"] = personality - return server - - def _extract_metadata(self, server_node): - """Marshal the metadata attribute of a parsed request""" - metadata_node = self._find_first_child_named(server_node, "metadata") - if metadata_node is None: - return None - metadata = {} - for meta_node in self._find_children_named(metadata_node, "meta"): - key = meta_node.getAttribute("key") - metadata[key] = self._extract_text(meta_node) - return metadata - - def _extract_personality(self, server_node): - """Marshal the personality attribute of a parsed request""" - personality_node = \ - self._find_first_child_named(server_node, "personality") - if personality_node is None: - return None - personality = [] - for file_node in self._find_children_named(personality_node, "file"): - item = {} - if file_node.hasAttribute("path"): - item["path"] = file_node.getAttribute("path") - item["contents"] = self._extract_text(file_node) - personality.append(item) - return personality - - def _find_first_child_named(self, parent, name): - """Search a nodes children for the first child with a given name""" - for node in parent.childNodes: - if node.nodeName == name: - return node - return None - - def _find_children_named(self, parent, name): - """Return all of a nodes children who have the given name""" - for node in parent.childNodes: - if node.nodeName == name: - yield node - - def _extract_text(self, node): - """Get the text field contained by the given node""" - if len(node.childNodes) == 1: - child = node.childNodes[0] - if child.nodeType == child.TEXT_NODE: - return child.nodeValue - return "" diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py new file mode 100644 index 000000000..fbc6318ef --- /dev/null +++ b/nova/api/openstack/create_instance_helper.py @@ -0,0 +1,346 @@ +# Copyright 2011 OpenStack LLC. +# All Rights Reserved. +# +# 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. + +import base64 +import re +import webob + +from webob import exc +from xml.dom import minidom + +from nova import exception +from nova import flags +from nova import log as logging +import nova.image +from nova import quota +from nova import utils + +from nova.compute import instance_types +from nova.api.openstack import faults +from nova.api.openstack import wsgi +from nova.auth import manager as auth_manager + + +LOG = logging.getLogger('nova.api.openstack.create_instance_helper') +FLAGS = flags.FLAGS + + +class CreateFault(exception.NovaException): + message = _("Invalid parameters given to create_instance.") + + def __init__(self, fault): + self.fault = fault + super(CreateFault, self).__init__() + + +class CreateInstanceHelper(object): + """This is the base class for OS API Controllers that + are capable of creating instances (currently Servers and Zones). + + Once we stabilize the Zones portion of the API we may be able + to move this code back into servers.py + """ + + def __init__(self, controller): + """We need the image service to create an instance.""" + self.controller = controller + self._image_service = utils.import_object(FLAGS.image_service) + super(CreateInstanceHelper, self).__init__() + + def create_instance(self, req, body, create_method): + """Creates a new server for the given user. The approach + used depends on the create_method. For example, the standard + POST /server call uses compute.api.create(), while + POST /zones/server uses compute.api.create_all_at_once(). + + The problem is, both approaches return different values (i.e. + [instance dicts] vs. reservation_id). So the handling of the + return type from this method is left to the caller. + """ + if not body: + raise faults.Fault(exc.HTTPUnprocessableEntity()) + + context = req.environ['nova.context'] + + password = self.controller._get_server_admin_password(body['server']) + + key_name = None + key_data = None + key_pairs = auth_manager.AuthManager.get_key_pairs(context) + if key_pairs: + key_pair = key_pairs[0] + key_name = key_pair['name'] + key_data = key_pair['public_key'] + + image_href = self.controller._image_ref_from_req_data(body) + try: + image_service, image_id = nova.image.get_image_service(image_href) + kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image( + req, image_id) + images = set([str(x['id']) for x in image_service.index(context)]) + assert str(image_id) in images + except Exception, e: + msg = _("Cannot find requested image %(image_href)s: %(e)s" % + locals()) + raise faults.Fault(exc.HTTPBadRequest(msg)) + + personality = body['server'].get('personality') + + injected_files = [] + if personality: + injected_files = self._get_injected_files(personality) + + flavor_id = self.controller._flavor_id_from_req_data(body) + + if not 'name' in body['server']: + msg = _("Server name is not defined") + raise exc.HTTPBadRequest(msg) + + zone_blob = body['server'].get('blob') + name = body['server']['name'] + self._validate_server_name(name) + name = name.strip() + + reservation_id = body['server'].get('reservation_id') + + try: + inst_type = \ + instance_types.get_instance_type_by_flavor_id(flavor_id) + extra_values = { + 'instance_type': inst_type, + 'image_ref': image_href, + 'password': password + } + + return (extra_values, + create_method(context, + inst_type, + image_id, + kernel_id=kernel_id, + ramdisk_id=ramdisk_id, + display_name=name, + display_description=name, + key_name=key_name, + key_data=key_data, + metadata=body['server'].get('metadata', {}), + injected_files=injected_files, + admin_password=password, + zone_blob=zone_blob, + reservation_id=reservation_id + ) + ) + except quota.QuotaError as error: + self._handle_quota_error(error) + except exception.ImageNotFound as error: + msg = _("Can not find requested image") + raise faults.Fault(exc.HTTPBadRequest(msg)) + + # Let the caller deal with unhandled exceptions. + + def _handle_quota_error(self, error): + """ + Reraise quota errors as api-specific http exceptions + """ + if error.code == "OnsetFileLimitExceeded": + expl = _("Personality file limit exceeded") + raise exc.HTTPBadRequest(explanation=expl) + if error.code == "OnsetFilePathLimitExceeded": + expl = _("Personality file path too long") + raise exc.HTTPBadRequest(explanation=expl) + if error.code == "OnsetFileContentLimitExceeded": + expl = _("Personality file content too long") + raise exc.HTTPBadRequest(explanation=expl) + # if the original error is okay, just reraise it + raise error + + def _deserialize_create(self, request): + """ + Deserialize a create request + + Overrides normal behavior in the case of xml content + """ + if request.content_type == "application/xml": + deserializer = ServerCreateRequestXMLDeserializer() + return deserializer.deserialize(request.body) + else: + return self._deserialize(request.body, request.get_content_type()) + + def _validate_server_name(self, value): + if not isinstance(value, basestring): + msg = _("Server name is not a string or unicode") + raise exc.HTTPBadRequest(msg) + + if value.strip() == '': + msg = _("Server name is an empty string") + raise exc.HTTPBadRequest(msg) + + def _get_kernel_ramdisk_from_image(self, req, image_id): + """Fetch an image from the ImageService, then if present, return the + associated kernel and ramdisk image IDs. + """ + context = req.environ['nova.context'] + image_meta = self._image_service.show(context, image_id) + # NOTE(sirp): extracted to a separate method to aid unit-testing, the + # new method doesn't need a request obj or an ImageService stub + kernel_id, ramdisk_id = self._do_get_kernel_ramdisk_from_image( + image_meta) + return kernel_id, ramdisk_id + + @staticmethod + def _do_get_kernel_ramdisk_from_image(image_meta): + """Given an ImageService image_meta, return kernel and ramdisk image + ids if present. + + This is only valid for `ami` style images. + """ + image_id = image_meta['id'] + if image_meta['status'] != 'active': + raise exception.ImageUnacceptable(image_id=image_id, + reason=_("status is not active")) + + if image_meta.get('container_format') != 'ami': + return None, None + + try: + kernel_id = image_meta['properties']['kernel_id'] + except KeyError: + raise exception.KernelNotFoundForImage(image_id=image_id) + + try: + ramdisk_id = image_meta['properties']['ramdisk_id'] + except KeyError: + raise exception.RamdiskNotFoundForImage(image_id=image_id) + + return kernel_id, ramdisk_id + + def _get_injected_files(self, personality): + """ + Create a list of injected files from the personality attribute + + At this time, injected_files must be formatted as a list of + (file_path, file_content) pairs for compatibility with the + underlying compute service. + """ + injected_files = [] + + for item in personality: + try: + path = item['path'] + contents = item['contents'] + except KeyError as key: + expl = _('Bad personality format: missing %s') % key + raise exc.HTTPBadRequest(explanation=expl) + except TypeError: + expl = _('Bad personality format') + raise exc.HTTPBadRequest(explanation=expl) + try: + contents = base64.b64decode(contents) + except TypeError: + expl = _('Personality content for %s cannot be decoded') % path + raise exc.HTTPBadRequest(explanation=expl) + injected_files.append((path, contents)) + return injected_files + + def _get_server_admin_password_old_style(self, server): + """ Determine the admin password for a server on creation """ + return utils.generate_password(16) + + def _get_server_admin_password_new_style(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 + + +class ServerXMLDeserializer(wsgi.XMLDeserializer): + """ + Deserializer to handle xml-formatted server create requests. + + Handles standard server attributes as well as optional metadata + and personality attributes + """ + + def create(self, string): + """Deserialize an xml-formatted server create request""" + dom = minidom.parseString(string) + server = self._extract_server(dom) + return {'server': server} + + def _extract_server(self, node): + """Marshal the server attribute of a parsed request""" + server = {} + server_node = self._find_first_child_named(node, 'server') + for attr in ["name", "imageId", "flavorId", "imageRef", "flavorRef"]: + if server_node.getAttribute(attr): + server[attr] = server_node.getAttribute(attr) + metadata = self._extract_metadata(server_node) + if metadata is not None: + server["metadata"] = metadata + personality = self._extract_personality(server_node) + if personality is not None: + server["personality"] = personality + return server + + def _extract_metadata(self, server_node): + """Marshal the metadata attribute of a parsed request""" + metadata_node = self._find_first_child_named(server_node, "metadata") + if metadata_node is None: + return None + metadata = {} + for meta_node in self._find_children_named(metadata_node, "meta"): + key = meta_node.getAttribute("key") + metadata[key] = self._extract_text(meta_node) + return metadata + + def _extract_personality(self, server_node): + """Marshal the personality attribute of a parsed request""" + personality_node = \ + self._find_first_child_named(server_node, "personality") + if personality_node is None: + return None + personality = [] + for file_node in self._find_children_named(personality_node, "file"): + item = {} + if file_node.hasAttribute("path"): + item["path"] = file_node.getAttribute("path") + item["contents"] = self._extract_text(file_node) + personality.append(item) + return personality + + def _find_first_child_named(self, parent, name): + """Search a nodes children for the first child with a given name""" + for node in parent.childNodes: + if node.nodeName == name: + return node + return None + + def _find_children_named(self, parent, name): + """Return all of a nodes children who have the given name""" + for node in parent.childNodes: + if node.nodeName == name: + yield node + + def _extract_text(self, node): + """Get the text field contained by the given node""" + if len(node.childNodes) == 1: + child = node.childNodes[0] + if child.nodeType == child.TEXT_NODE: + return child.nodeValue + return "" diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 1b18c4ecb..5c967c40f 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -24,7 +24,7 @@ from nova import flags from nova import log as logging from nova import utils from nova.api.openstack import common -from nova.api.openstack import create_instance_controller as base_controller +from nova.api.openstack import create_instance_helper as helper from nova.api.openstack import faults import nova.api.openstack.views.addresses import nova.api.openstack.views.flavors @@ -39,11 +39,12 @@ LOG = logging.getLogger('nova.api.openstack.servers') FLAGS = flags.FLAGS -class Controller(base_controller.OpenstackCreateInstanceController): +class Controller(object): """ The Server API controller for the OpenStack API """ def __init__(self): self.compute_api = compute.API() + self.helper = helper.CreateInstanceHelper(self) super(Controller, self).__init__() def index(self, req): @@ -111,8 +112,8 @@ class Controller(base_controller.OpenstackCreateInstanceController): extra_values = None result = None try: - extra_values, result = \ - self.create_instance(req, body, self.compute_api.create) + extra_values, result = self.helper.create_instance( + req, body, self.compute_api.create) except faults.Fault, f: return f @@ -141,7 +142,7 @@ class Controller(base_controller.OpenstackCreateInstanceController): if 'name' in body['server']: name = body['server']['name'] - self._validate_server_name(name) + self.helper._validate_server_name(name) update_dict['display_name'] = name.strip() self._parse_update(ctxt, id, body, update_dict) @@ -403,6 +404,13 @@ class Controller(base_controller.OpenstackCreateInstanceController): class ControllerV10(Controller): + + def _image_ref_from_req_data(self, data): + return data['server']['imageId'] + + def _flavor_id_from_req_data(self, data): + return data['server']['flavorId'] + def _get_view_builder(self, req): addresses_builder = nova.api.openstack.views.addresses.ViewBuilderV10() return nova.api.openstack.views.servers.ViewBuilderV10( @@ -453,6 +461,10 @@ class ControllerV10(Controller): response.empty_body = True return response + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + return self.helper._get_server_admin_password_old_style(server) + class ControllerV11(Controller): def _image_ref_from_req_data(self, data): @@ -567,14 +579,7 @@ class ControllerV11(Controller): 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 + return self.helper._get_server_admin_password_new_style(server) def create_resource(version='1.0'): @@ -610,7 +615,7 @@ def create_resource(version='1.0'): } deserializers = { - 'application/xml': base_controller.ServerXMLDeserializer(), + 'application/xml': helper.ServerXMLDeserializer(), } return wsgi.Resource(controller, serializers=serializers, diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 7ccb8555b..c34360e01 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -25,8 +25,9 @@ from nova import log as logging from nova.compute import api as compute from nova.scheduler import api -from nova.api.openstack import create_instance_controller as controller +from nova.api.openstack import create_instance_helper as helper from nova.api.openstack import common +from nova.api.openstack import faults from nova.api.openstack import wsgi @@ -62,16 +63,12 @@ def check_encryption_key(func): return wrapped -class Controller(controller.OpenstackCreateInstanceController): - """Controller for Zone resources. Since we can also create instances - via /zone/boot, this controller is derived from - OpenstackCreateInstanceController, which contains all the logic for - doing that (shared with Servers). - """ +class Controller(object): + """Controller for Zone resources.""" - def __init__(self, version): + def __init__(self): self.compute_api = compute.API() - self.version = version + self.helper = helper.CreateInstanceHelper(self) super(Controller, self).__init__() def index(self, req): @@ -132,7 +129,7 @@ class Controller(controller.OpenstackCreateInstanceController): """ result = None try: - extra_values, result = self.create_instance(req, body, + extra_values, result = self.helper.create_instance(req, body, self.compute_api.create_all_at_once) except faults.Fault, f: return f @@ -164,17 +161,36 @@ class Controller(controller.OpenstackCreateInstanceController): return cooked def _image_ref_from_req_data(self, data): - if self.version == '1.0': - return data['server']['imageId'] + return data['server']['imageId'] + + def _flavor_id_from_req_data(self, data): + return data['server']['flavorId'] + + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + return self.helper._get_server_admin_password_old_style(server) + + +class ControllerV11(object): + """Controller for 1.1 Zone resources.""" + + def _get_server_admin_password(self, server): + """ Determine the admin password for a server on creation """ + return self.helper._get_server_admin_password_new_style(server) + + def _image_ref_from_req_data(self, data): return data['server']['imageRef'] def _flavor_id_from_req_data(self, data): - if self.version == '1.0': - return data['server']['flavorId'] return data['server']['flavorRef'] def create_resource(version): + controller = { + '1.0': Controller, + '1.1': ControllerV11, + }[version]() + metadata = { "attributes": { "zone": ["id", "api_url", "name", "capabilities"], @@ -187,8 +203,8 @@ def create_resource(version): } deserializers = { - 'application/xml': controller.ServerXMLDeserializer(), + 'application/xml': helper.ServerXMLDeserializer(), } - return wsgi.Resource(Controller(version), serializers=serializers, + return wsgi.Resource(controller, serializers=serializers, deserializers=deserializers) diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py index 529ca83c5..8357df594 100644 --- a/nova/tests/api/openstack/test_servers.py +++ b/nova/tests/api/openstack/test_servers.py @@ -31,7 +31,7 @@ from nova import test from nova import utils import nova.api.openstack from nova.api.openstack import servers -from nova.api.openstack import create_instance_controller +from nova.api.openstack import create_instance_helper import nova.compute.api from nova.compute import instance_types from nova.compute import power_state @@ -570,8 +570,7 @@ class ServersTest(test.TestCase): self.stubs.Set(nova.network.manager.VlanManager, 'allocate_fixed_ip', fake_method) self.stubs.Set( - nova.api.openstack.create_instance_controller.\ - OpenstackCreateInstanceController, + nova.api.openstack.create_instance_helper.CreateInstanceHelper, "_get_kernel_ramdisk_from_image", kernel_ramdisk_mapping) self.stubs.Set(nova.compute.api.API, "_find_host", find_host) @@ -1531,7 +1530,7 @@ class ServersTest(test.TestCase): class TestServerCreateRequestXMLDeserializer(unittest.TestCase): def setUp(self): - self.deserializer = create_instance_controller.ServerXMLDeserializer() + self.deserializer = create_instance_helper.ServerXMLDeserializer() def test_minimal_request(self): serial_request = """ @@ -1863,7 +1862,8 @@ class TestServerInstanceCreation(test.TestCase): compute_api = MockComputeAPI() self.stubs.Set(nova.compute, 'API', make_stub_method(compute_api)) - self.stubs.Set(nova.api.openstack.servers.Controller, + self.stubs.Set( + nova.api.openstack.create_instance_helper.CreateInstanceHelper, '_get_kernel_ramdisk_from_image', make_stub_method((1, 1))) return compute_api @@ -2119,6 +2119,6 @@ class TestGetKernelRamdiskFromImage(test.TestCase): @staticmethod def _get_k_r(image_meta): """Rebinding function to a shorter name for convenience""" - kernel_id, ramdisk_id = \ - servers.Controller._do_get_kernel_ramdisk_from_image(image_meta) + kernel_id, ramdisk_id = create_instance_helper.CreateInstanceHelper. \ + _do_get_kernel_ramdisk_from_image(image_meta) return kernel_id, ramdisk_id -- cgit From b331ae15cfaa0bfbe06bb4b1947f12e56033c333 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 14 Jun 2011 11:55:43 -0700 Subject: version passing cleanup --- nova/api/openstack/__init__.py | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index e0ae55105..a22889e83 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -81,7 +81,9 @@ class APIRouter(base_wsgi.Router): self._setup_routes(mapper) super(APIRouter, self).__init__(mapper) - def _setup_routes(self, mapper, version='1.0'): + def _setup_routes(self, mapper, version): + """Routes common to all versions.""" + server_members = self.server_members server_members['action'] = 'POST' if FLAGS.allow_admin_api: @@ -98,14 +100,6 @@ class APIRouter(base_wsgi.Router): server_members['reset_network'] = 'POST' server_members['inject_network_info'] = 'POST' - mapper.resource("zone", "zones", - controller=zones.create_resource(version), - collection={'detail': 'GET', - 'info': 'GET', - 'select': 'POST', - 'boot': 'POST' - }) - mapper.resource("user", "users", controller=users.create_resource(), collection={'detail': 'GET'}) @@ -114,11 +108,19 @@ class APIRouter(base_wsgi.Router): controller=accounts.create_resource(), collection={'detail': 'GET'}) - mapper.resource("console", "consoles", + mapper.resource("console", "consoles", controller=consoles.create_resource(), parent_resource=dict(member_name='server', collection_name='servers')) + mapper.resource("zone", "zones", + controller=zones.create_resource(version), + collection={'detail': 'GET', + 'info': 'GET', + 'select': 'POST', + 'boot': 'POST' + }) + super(APIRouter, self).__init__(mapper) @@ -126,7 +128,7 @@ class APIRouterV10(APIRouter): """Define routes specific to OpenStack API V1.0.""" def _setup_routes(self, mapper): - super(APIRouterV10, self)._setup_routes(mapper, version='1.0') + super(APIRouterV10, self)._setup_routes(mapper, '1.0') mapper.resource("server", "servers", controller=servers.create_resource('1.0'), collection={'detail': 'GET'}, @@ -162,7 +164,7 @@ class APIRouterV11(APIRouter): """Define routes specific to OpenStack API V1.1.""" def _setup_routes(self, mapper): - super(APIRouterV11, self)._setup_routes(mapper, version='1.1') + super(APIRouterV11, self)._setup_routes(mapper, '1.1') mapper.resource("server", "servers", controller=servers.create_resource('1.1'), collection={'detail': 'GET'}, -- cgit From 60a89dda55258bd7212e09e2113dca92ebd67a08 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 14 Jun 2011 12:34:10 -0700 Subject: duplicate routes moved to base class --- nova/api/openstack/__init__.py | 54 ++++++++++++++++-------------------------- 1 file changed, 21 insertions(+), 33 deletions(-) diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index a22889e83..ddd9580d7 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -108,11 +108,6 @@ class APIRouter(base_wsgi.Router): controller=accounts.create_resource(), collection={'detail': 'GET'}) - mapper.resource("console", "consoles", - controller=consoles.create_resource(), - parent_resource=dict(member_name='server', - collection_name='servers')) - mapper.resource("zone", "zones", controller=zones.create_resource(version), collection={'detail': 'GET', @@ -121,6 +116,27 @@ class APIRouter(base_wsgi.Router): 'boot': 'POST' }) + mapper.resource("console", "consoles", + controller=consoles.create_resource(), + parent_resource=dict(member_name='server', + collection_name='servers')) + + mapper.resource("server", "servers", + controller=servers.create_resource(version), + collection={'detail': 'GET'}, + member=self.server_members) + + mapper.resource("image", "images", + controller=images.create_resource(version), + collection={'detail': 'GET'}) + + mapper.resource("limit", "limits", + controller=limits.create_resource(version)) + + mapper.resource("flavor", "flavors", + controller=flavors.create_resource(version), + collection={'detail': 'GET'}) + super(APIRouter, self).__init__(mapper) @@ -129,19 +145,10 @@ class APIRouterV10(APIRouter): def _setup_routes(self, mapper): super(APIRouterV10, self)._setup_routes(mapper, '1.0') - mapper.resource("server", "servers", - controller=servers.create_resource('1.0'), - collection={'detail': 'GET'}, - member=self.server_members) - mapper.resource("image", "images", controller=images.create_resource('1.0'), collection={'detail': 'GET'}) - mapper.resource("flavor", "flavors", - controller=flavors.create_resource('1.0'), - collection={'detail': 'GET'}) - mapper.resource("shared_ip_group", "shared_ip_groups", collection={'detail': 'GET'}, controller=shared_ip_groups.create_resource()) @@ -151,9 +158,6 @@ class APIRouterV10(APIRouter): parent_resource=dict(member_name='server', collection_name='servers')) - mapper.resource("limit", "limits", - controller=limits.create_resource('1.0')) - mapper.resource("ip", "ips", controller=ips.create_resource(), collection=dict(public='GET', private='GET'), parent_resource=dict(member_name='server', @@ -165,15 +169,6 @@ class APIRouterV11(APIRouter): def _setup_routes(self, mapper): super(APIRouterV11, self)._setup_routes(mapper, '1.1') - mapper.resource("server", "servers", - controller=servers.create_resource('1.1'), - collection={'detail': 'GET'}, - member=self.server_members) - - mapper.resource("image", "images", - controller=images.create_resource('1.1'), - collection={'detail': 'GET'}) - mapper.resource("image_meta", "meta", controller=image_metadata.create_resource(), parent_resource=dict(member_name='image', @@ -183,10 +178,3 @@ class APIRouterV11(APIRouter): controller=server_metadata.create_resource(), parent_resource=dict(member_name='server', collection_name='servers')) - - mapper.resource("flavor", "flavors", - controller=flavors.create_resource('1.1'), - collection={'detail': 'GET'}) - - mapper.resource("limit", "limits", - controller=limits.create_resource('1.1')) -- cgit From 6d960ff50d4cf8e6b2dc59aff0e8dea17498a9f0 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 14 Jun 2011 15:51:22 -0400 Subject: fixed HACKING --- nova/api/openstack/wsgi.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 43b51b64a..27d19db53 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -2,10 +2,10 @@ import json import webob from xml.dom import minidom -from xml.parsers.expat import ExpatError +from xml.parsers import expat -from nova import exception import faults +from nova import exception from nova import log as logging from nova import utils from nova import wsgi @@ -96,7 +96,7 @@ class XMLDeserializer(TextDeserializer): try: node = minidom.parseString(datastring).childNodes[0] return {node.nodeName: self._from_xml_node(node, plurals)} - except ExpatError: + except expat.ExpatError: raise exception.MalformedRequestBody( reason=_("malformed XML in request body")) -- cgit From 0ce3e2af1b2d48d53c7ae6f59caca745946c6198 Mon Sep 17 00:00:00 2001 From: Sandy Walsh Date: Tue, 14 Jun 2011 12:59:16 -0700 Subject: removed extra init calls --- nova/api/openstack/servers.py | 1 - nova/api/openstack/zones.py | 1 - 2 files changed, 2 deletions(-) diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 5c967c40f..798fdd7f7 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -45,7 +45,6 @@ class Controller(object): def __init__(self): self.compute_api = compute.API() self.helper = helper.CreateInstanceHelper(self) - super(Controller, self).__init__() def index(self, req): """ Returns a list of server names and ids for a given user """ diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index c34360e01..8864f825b 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -69,7 +69,6 @@ class Controller(object): def __init__(self): self.compute_api = compute.API() self.helper = helper.CreateInstanceHelper(self) - super(Controller, self).__init__() def index(self, req): """Return all zones in brief""" -- cgit From 3368a35ff9c06d74ec4b8fdb58d37771fc1a4f0d Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Wed, 15 Jun 2011 00:08:19 +0000 Subject: Removing seconds unit --- run_tests.py | 20 ++++++-------------- run_tests.sh | 2 +- 2 files changed, 7 insertions(+), 15 deletions(-) diff --git a/run_tests.py b/run_tests.py index 3ecc146fd..c29a3da43 100644 --- a/run_tests.py +++ b/run_tests.py @@ -185,20 +185,13 @@ class _NullColorizer(object): self.stream.write(text) -def classify_test_speed(elapsed_time): +def get_elapsed_time_color(elapsed_time): if elapsed_time > 1.0: - return 'slow' + return 'red' elif elapsed_time > 0.25: - return 'sluggish' + return 'yellow' else: - return 'fast' - - -def get_elapsed_time_color(elapsed_time): - color_map = {'slow': 'red', 'sluggish': 'yellow', 'fast': 'green'} - slowness = classify_test_speed(elapsed_time) - color = color_map[slowness] - return color + return 'green' class NovaTestResult(result.TextTestResult): @@ -233,7 +226,6 @@ class NovaTestResult(result.TextTestResult): def _writeElapsedTime(self, test): color = get_elapsed_time_color(self.elapsed_time) self.colorizer.write(" %.2f" % self.elapsed_time, color) - self.stream.write(' secs') def _writeResult(self, test, long_result, color, short_result): if self.showAll: @@ -322,13 +314,13 @@ class NovaTestRunner(core.TextTestRunner): def _writeSlowTests(self, result_): # Pare out 'fast' tests slow_tests = [item for item in result_.slow_tests - if classify_test_speed(item[0]) != 'fast'] + if get_elapsed_time_color(item[0]) != 'green'] slow_total_time = sum(item[0] for item in slow_tests) self.stream.writeln("Slowest %i tests took %.2f secs:" % (len(slow_tests), slow_total_time)) for elapsed_time, test in sorted(slow_tests, reverse=True): - time_str = "%.2f secs" % elapsed_time + time_str = "%.2f" % elapsed_time self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) def run(self, test): diff --git a/run_tests.sh b/run_tests.sh index 5fc406035..90af35579 100755 --- a/run_tests.sh +++ b/run_tests.sh @@ -10,7 +10,7 @@ function usage { 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 " --show-elapsed Print elapsed time for tests along with slowest tests" + echo " --show-elapsed Print elapsed time in seconds for tests along with slowest tests" echo "" echo "Note: with no options specified, the script will try to run the tests in a virtual environment," echo " If no virtualenv is found, the script will ask if you would like to create one. If you " -- cgit From e20444542af9136c330d1cf469eb0e065860ded1 Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Wed, 15 Jun 2011 01:16:53 +0000 Subject: Ensuring pep8 runs even when nose optons are passed --- run_tests.sh | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/run_tests.sh b/run_tests.sh index 90af35579..b90e1e837 100755 --- a/run_tests.sh +++ b/run_tests.sh @@ -25,6 +25,7 @@ function process_option { -N|--no-virtual-env) let always_venv=0; let never_venv=1;; -f|--force) let force=1;; -p|--pep8) let just_pep8=1;; + -*) noseopts="$noseopts $1";; *) noseargs="$noseargs $1" esac } @@ -35,6 +36,7 @@ always_venv=0 never_venv=0 force=0 noseargs= +noseopts= wrapper="" just_pep8=0 @@ -73,7 +75,7 @@ function run_pep8 { --exclude=vcsversion.py ${srcfiles} } -NOSETESTS="python run_tests.py $noseargs" +NOSETESTS="python run_tests.py $noseopts $noseargs" if [ $never_venv -eq 0 ] then @@ -108,7 +110,10 @@ fi run_tests || exit -# Also run pep8 if no options were provided. +# NOTE(sirp): we only want to run pep8 when we're running the full-test suite, +# not when we're running tests individually. To handle this, we need to +# distinguish between options (noseopts), which begin with a '-', and +# arguments (noseargs). if [ -z "$noseargs" ]; then run_pep8 fi -- cgit From 43dd1ec6089497b6e977c49f9006d03c3e7a4117 Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Wed, 15 Jun 2011 01:21:11 +0000 Subject: Showing elapsed time is now default --- run_tests.py | 6 +++--- run_tests.sh | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/run_tests.py b/run_tests.py index c29a3da43..601c41e40 100644 --- a/run_tests.py +++ b/run_tests.py @@ -334,13 +334,13 @@ if __name__ == '__main__': logging.setup() # If any argument looks like a test name but doesn't have "nova.tests" in # front of it, automatically add that so we don't have to type as much - show_elapsed = False + show_elapsed = True argv = [] for x in sys.argv: if x.startswith('test_'): argv.append('nova.tests.%s' % x) - elif x.startswith('--show-elapsed'): - show_elapsed = True + elif x.startswith('--hide-elapsed'): + show_elapsed = False else: argv.append(x) diff --git a/run_tests.sh b/run_tests.sh index b90e1e837..c3f06f837 100755 --- a/run_tests.sh +++ b/run_tests.sh @@ -10,7 +10,7 @@ function usage { 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 " --show-elapsed Print elapsed time in seconds for tests along with slowest tests" + echo " --hide-elapsed Don't print the elapsed time for each test along with slow test list" echo "" echo "Note: with no options specified, the script will try to run the tests in a virtual environment," echo " If no virtualenv is found, the script will ask if you would like to create one. If you " -- cgit From 4d5a73bf7cc61d94ac1f29a7566def853d0efb1b Mon Sep 17 00:00:00 2001 From: Rick Harris Date: Wed, 15 Jun 2011 04:05:37 +0000 Subject: Show only if we have slow tests, elapsed only if test success --- run_tests.py | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/run_tests.py b/run_tests.py index 601c41e40..0944bb585 100644 --- a/run_tests.py +++ b/run_tests.py @@ -227,10 +227,10 @@ class NovaTestResult(result.TextTestResult): color = get_elapsed_time_color(self.elapsed_time) self.colorizer.write(" %.2f" % self.elapsed_time, color) - def _writeResult(self, test, long_result, color, short_result): + def _writeResult(self, test, long_result, color, short_result, success): if self.showAll: self.colorizer.write(long_result, color) - if self.show_elapsed: + if self.show_elapsed and success: self._writeElapsedTime(test) self.stream.writeln() elif self.dots: @@ -241,13 +241,13 @@ class NovaTestResult(result.TextTestResult): def addSuccess(self, test): unittest.TestResult.addSuccess(self, test) self._handleElapsedTime(test) - self._writeResult(test, 'OK', 'green', '.') + self._writeResult(test, 'OK', 'green', '.', True) # NOTE(vish): copied from unittest with edit to add color def addFailure(self, test, err): unittest.TestResult.addFailure(self, test, err) self._handleElapsedTime(test) - self._writeResult(test, 'FAIL', 'red', 'F') + self._writeResult(test, 'FAIL', 'red', 'F', False) # NOTE(vish): copied from nose with edit to add color def addError(self, test, err): @@ -282,7 +282,7 @@ class NovaTestResult(result.TextTestResult): self.errors.append((test, exc_info)) test.passed = False if stream is not None: - self._writeResult(test, 'ERROR', 'red', 'E') + self._writeResult(test, 'ERROR', 'red', 'E', False) def startTest(self, test): unittest.TestResult.startTest(self, test) @@ -315,13 +315,13 @@ class NovaTestRunner(core.TextTestRunner): # Pare out 'fast' tests slow_tests = [item for item in result_.slow_tests if get_elapsed_time_color(item[0]) != 'green'] - - slow_total_time = sum(item[0] for item in slow_tests) - self.stream.writeln("Slowest %i tests took %.2f secs:" - % (len(slow_tests), slow_total_time)) - for elapsed_time, test in sorted(slow_tests, reverse=True): - time_str = "%.2f" % elapsed_time - self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) + if slow_tests: + slow_total_time = sum(item[0] for item in slow_tests) + self.stream.writeln("Slowest %i tests took %.2f secs:" + % (len(slow_tests), slow_total_time)) + for elapsed_time, test in sorted(slow_tests, reverse=True): + time_str = "%.2f" % elapsed_time + self.stream.writeln(" %s %s" % (time_str.ljust(10), test)) def run(self, test): result_ = core.TextTestRunner.run(self, test) -- cgit