diff options
| -rw-r--r-- | .mailmap | 1 | ||||
| -rw-r--r-- | Authors | 2 | ||||
| -rw-r--r-- | nova/api/openstack/__init__.py | 2 | ||||
| -rw-r--r-- | nova/api/openstack/common.py | 8 | ||||
| -rw-r--r-- | nova/api/openstack/servers.py | 22 | ||||
| -rw-r--r-- | nova/compute/manager.py | 34 | ||||
| -rw-r--r-- | nova/db/sqlalchemy/migrate_repo/versions/007_add_ipv6_to_fixed_ips.py | 90 | ||||
| -rw-r--r-- | nova/db/sqlalchemy/models.py | 10 | ||||
| -rw-r--r-- | nova/network/manager.py | 5 | ||||
| -rw-r--r-- | nova/tests/api/openstack/test_common.py | 21 | ||||
| -rw-r--r-- | nova/tests/xenapi/stubs.py | 2 | ||||
| -rw-r--r-- | nova/virt/libvirt_conn.py | 4 | ||||
| -rw-r--r-- | nova/virt/xenapi/fake.py | 2 | ||||
| -rw-r--r-- | nova/virt/xenapi/vm_utils.py | 22 | ||||
| -rw-r--r-- | nova/virt/xenapi/vmops.py | 187 | ||||
| -rw-r--r-- | nova/virt/xenapi/volumeops.py | 2 | ||||
| -rw-r--r-- | nova/virt/xenapi_conn.py | 23 |
17 files changed, 366 insertions, 71 deletions
@@ -19,6 +19,7 @@ <jmckenty@gmail.com> <jmckenty@joshua-mckentys-macbook-pro.local> <jmckenty@gmail.com> <jmckenty@yyj-dhcp171.corp.flock.com> <jmckenty@gmail.com> <joshua.mckenty@nasa.gov> +<josh@jk0.org> <josh.kearney@rackspace.com> <justin@fathomdb.com> <justinsb@justinsb-desktop> <justin@fathomdb.com> <superstack@superstack.org> <masumotok@nttdata.co.jp> Masumoto<masumotok@nttdata.co.jp> @@ -31,7 +31,7 @@ John Dewey <john@dewey.ws> Jonathan Bryce <jbryce@jbryce.com> Jordan Rinke <jordan@openstack.org> Josh Durgin <joshd@hq.newdream.net> -Josh Kearney <josh.kearney@rackspace.com> +Josh Kearney <josh@jk0.org> Joshua McKenty <jmckenty@gmail.com> Justin Santa Barbara <justin@fathomdb.com> Kei Masumoto <masumotok@nttdata.co.jp> diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index 2a8f2d412..274330e3b 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -81,6 +81,8 @@ class APIRouter(wsgi.Router): server_members["actions"] = "GET" server_members['suspend'] = 'POST' server_members['resume'] = 'POST' + server_members['rescue'] = 'POST' + server_members['unrescue'] = 'POST' server_members['reset_network'] = 'POST' server_members['inject_network_info'] = 'POST' diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py index 1dc3767e2..9f85c5c8a 100644 --- a/nova/api/openstack/common.py +++ b/nova/api/openstack/common.py @@ -15,6 +15,8 @@ # License for the specific language governing permissions and limitations # under the License. +import webob.exc + from nova import exception @@ -27,7 +29,8 @@ def limited(items, request, max_limit=1000): GET variables. 'offset' is where to start in the list, and 'limit' is the maximum number of items to return. If 'limit' is not specified, 0, or > max_limit, we default - to max_limit. + to max_limit. Negative values for either offset or limit + will cause exc.HTTPBadRequest() exceptions to be raised. @kwarg max_limit: The maximum number of items to return from 'items' """ try: @@ -40,6 +43,9 @@ def limited(items, request, max_limit=1000): except ValueError: limit = max_limit + if offset < 0 or limit < 0: + raise webob.exc.HTTPBadRequest() + limit = min(max_limit, limit or max_limit) range_end = offset + limit return items[offset:range_end] diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 69273ad7b..08b95b46a 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -335,6 +335,28 @@ class Controller(wsgi.Controller): return faults.Fault(exc.HTTPUnprocessableEntity()) return exc.HTTPAccepted() + def rescue(self, req, id): + """Permit users to rescue the server.""" + context = req.environ["nova.context"] + try: + self.compute_api.rescue(context, id) + except: + readable = traceback.format_exc() + LOG.exception(_("compute.api::rescue %s"), readable) + return faults.Fault(exc.HTTPUnprocessableEntity()) + return exc.HTTPAccepted() + + def unrescue(self, req, id): + """Permit users to unrescue the server.""" + context = req.environ["nova.context"] + try: + self.compute_api.unrescue(context, id) + except: + readable = traceback.format_exc() + LOG.exception(_("compute.api::unrescue %s"), readable) + return faults.Fault(exc.HTTPUnprocessableEntity()) + return exc.HTTPAccepted() + def get_ajax_console(self, req, id): """ Returns a url to an instance's ajaxterm console. """ try: diff --git a/nova/compute/manager.py b/nova/compute/manager.py index d659712ad..3af97683f 100644 --- a/nova/compute/manager.py +++ b/nova/compute/manager.py @@ -370,12 +370,19 @@ class ComputeManager(manager.Manager): context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: rescuing'), instance_id, context=context) - self.db.instance_set_state(context, - instance_id, - power_state.NOSTATE, - 'rescuing') + self.db.instance_set_state( + context, + instance_id, + power_state.NOSTATE, + 'rescuing') self.network_manager.setup_compute_network(context, instance_id) - self.driver.rescue(instance_ref) + self.driver.rescue( + instance_ref, + lambda result: self._update_state_callback( + self, + context, + instance_id, + result)) self._update_state(context, instance_id) @exception.wrap_exception @@ -385,11 +392,18 @@ class ComputeManager(manager.Manager): context = context.elevated() instance_ref = self.db.instance_get(context, instance_id) LOG.audit(_('instance %s: unrescuing'), instance_id, context=context) - self.db.instance_set_state(context, - instance_id, - power_state.NOSTATE, - 'unrescuing') - self.driver.unrescue(instance_ref) + self.db.instance_set_state( + context, + instance_id, + power_state.NOSTATE, + 'unrescuing') + self.driver.unrescue( + instance_ref, + lambda result: self._update_state_callback( + self, + context, + instance_id, + result)) self._update_state(context, instance_id) @staticmethod diff --git a/nova/db/sqlalchemy/migrate_repo/versions/007_add_ipv6_to_fixed_ips.py b/nova/db/sqlalchemy/migrate_repo/versions/007_add_ipv6_to_fixed_ips.py new file mode 100644 index 000000000..427934d53 --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/007_add_ipv6_to_fixed_ips.py @@ -0,0 +1,90 @@ +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + + +meta = MetaData() + + +# Table stub-definitions +# Just for the ForeignKey and column creation to succeed, these are not the +# actual definitions of instances or services. +# +fixed_ips = Table( + "fixed_ips", + meta, + Column( + "id", + Integer(), + primary_key=True, + nullable=False)) + +# +# New Tables +# +# None + +# +# Tables to alter +# +# None + +# +# Columns to add to existing tables +# + +fixed_ips_addressV6 = Column( + "addressV6", + String( + length=255, + convert_unicode=False, + assert_unicode=None, + unicode_error=None, + _warn_on_bytestring=False)) + + +fixed_ips_netmaskV6 = Column( + "netmaskV6", + String( + length=3, + convert_unicode=False, + assert_unicode=None, + unicode_error=None, + _warn_on_bytestring=False)) + + +fixed_ips_gatewayV6 = Column( + "gatewayV6", + String( + length=255, + convert_unicode=False, + assert_unicode=None, + unicode_error=None, + _warn_on_bytestring=False)) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + # Add columns to existing tables + fixed_ips.create_column(fixed_ips_addressV6) + fixed_ips.create_column(fixed_ips_netmaskV6) + fixed_ips.create_column(fixed_ips_gatewayV6) diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index daf111fa8..5e7c399ef 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -126,11 +126,16 @@ class Certificate(BASE, NovaBase): class Instance(BASE, NovaBase): """Represents a guest vm.""" __tablename__ = 'instances' + onset_files = [] + id = Column(Integer, primary_key=True, autoincrement=True) @property def name(self): - return FLAGS.instance_name_template % self.id + base_name = FLAGS.instance_name_template % self.id + if getattr(self, '_rescue', False): + base_name += "-rescue" + return base_name admin_pass = Column(String(255)) user_id = Column(String(255)) @@ -451,6 +456,9 @@ class FixedIp(BASE, NovaBase): allocated = Column(Boolean, default=False) leased = Column(Boolean, default=False) reserved = Column(Boolean, default=False) + addressV6 = Column(String(255)) + netmaskV6 = Column(String(3)) + gatewayV6 = Column(String(255)) class User(BASE, NovaBase): diff --git a/nova/network/manager.py b/nova/network/manager.py index 500f2a1e8..b36dd59cf 100644 --- a/nova/network/manager.py +++ b/nova/network/manager.py @@ -531,6 +531,11 @@ class VlanManager(NetworkManager): ' than 4094')) fixed_net = IPy.IP(cidr) + if fixed_net.len() < num_networks * network_size: + raise ValueError(_('The network range is not big enough to fit ' + '%(num_networks)s. Network size is %(network_size)s' % + locals())) + fixed_net_v6 = IPy.IP(cidr_v6) network_size_v6 = 1 << 64 significant_bits_v6 = 64 diff --git a/nova/tests/api/openstack/test_common.py b/nova/tests/api/openstack/test_common.py index 59d850157..92023362c 100644 --- a/nova/tests/api/openstack/test_common.py +++ b/nova/tests/api/openstack/test_common.py @@ -19,6 +19,7 @@ Test suites for 'common' code used throughout the OpenStack HTTP API. """ +import webob.exc from webob import Request @@ -160,3 +161,23 @@ class LimiterTest(test.TestCase): self.assertEqual(limited(items, req, max_limit=2000), items[3:]) req = Request.blank('/?offset=3000&limit=10') self.assertEqual(limited(items, req, max_limit=2000), []) + + def test_limiter_negative_limit(self): + """ + Test a negative limit. + """ + def _limit_large(): + limited(self.large, req, max_limit=2000) + + req = Request.blank('/?limit=-3000') + self.assertRaises(webob.exc.HTTPBadRequest, _limit_large) + + def test_limiter_negative_offset(self): + """ + Test a negative offset. + """ + def _limit_large(): + limited(self.large, req, max_limit=2000) + + req = Request.blank('/?offset=-30') + self.assertRaises(webob.exc.HTTPBadRequest, _limit_large) diff --git a/nova/tests/xenapi/stubs.py b/nova/tests/xenapi/stubs.py index 9beab86e7..3de73d617 100644 --- a/nova/tests/xenapi/stubs.py +++ b/nova/tests/xenapi/stubs.py @@ -27,7 +27,7 @@ def stubout_instance_snapshot(stubs): def fake_fetch_image(cls, session, instance_id, image, user, project, type): # Stubout wait_for_task - def fake_wait_for_task(self, id, task): + def fake_wait_for_task(self, task, id): class FakeEvent: def send(self, value): diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 112ccd43a..8a83e657f 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -363,7 +363,7 @@ class LibvirtConnection(object): raise exception.APIError("resume not supported for libvirt") @exception.wrap_exception - def rescue(self, instance): + def rescue(self, instance, callback=None): self.destroy(instance, False) xml = self.to_xml(instance, rescue=True) @@ -393,7 +393,7 @@ class LibvirtConnection(object): return timer.start(interval=0.5, now=True) @exception.wrap_exception - def unrescue(self, instance): + def unrescue(self, instance, callback=None): # NOTE(vish): Because reboot destroys and recreates an instance using # the normal xml file, we can just call reboot here self.reboot(instance) diff --git a/nova/virt/xenapi/fake.py b/nova/virt/xenapi/fake.py index 018d0dcd3..e1ae03e70 100644 --- a/nova/virt/xenapi/fake.py +++ b/nova/virt/xenapi/fake.py @@ -401,7 +401,7 @@ class SessionBase(object): field in _db_content[cls][ref]): return _db_content[cls][ref][field] - LOG.debuug(_('Raising NotImplemented')) + LOG.debug(_('Raising NotImplemented')) raise NotImplementedError( _('xenapi.fake does not have an implementation for %s or it has ' 'been called with the wrong number of arguments') % name) diff --git a/nova/virt/xenapi/vm_utils.py b/nova/virt/xenapi/vm_utils.py index 59dd7057d..a6de3c9aa 100644 --- a/nova/virt/xenapi/vm_utils.py +++ b/nova/virt/xenapi/vm_utils.py @@ -207,19 +207,17 @@ class VMHelper(HelperBase): """Destroy VBD from host database""" try: task = session.call_xenapi('Async.VBD.destroy', vbd_ref) - #FIXME(armando): find a solution to missing instance_id - #with Josh Kearney - session.wait_for_task(0, task) + session.wait_for_task(task) except cls.XenAPI.Failure, exc: LOG.exception(exc) raise StorageError(_('Unable to destroy VBD %s') % vbd_ref) @classmethod - def create_vif(cls, session, vm_ref, network_ref, mac_address): + def create_vif(cls, session, vm_ref, network_ref, mac_address, dev="0"): """Create a VIF record. Returns a Deferred that gives the new VIF reference.""" vif_rec = {} - vif_rec['device'] = '0' + vif_rec['device'] = dev vif_rec['network'] = network_ref vif_rec['VM'] = vm_ref vif_rec['MAC'] = mac_address @@ -271,7 +269,7 @@ class VMHelper(HelperBase): original_parent_uuid = get_vhd_parent_uuid(session, vm_vdi_ref) task = session.call_xenapi('Async.VM.snapshot', vm_ref, label) - template_vm_ref = session.wait_for_task(instance_id, task) + template_vm_ref = session.wait_for_task(task, instance_id) template_vdi_rec = get_vdi_for_vm_safely(session, template_vm_ref)[1] template_vdi_uuid = template_vdi_rec["uuid"] @@ -304,7 +302,7 @@ class VMHelper(HelperBase): kwargs = {'params': pickle.dumps(params)} task = session.async_call_plugin('glance', 'upload_vhd', kwargs) - session.wait_for_task(instance_id, task) + session.wait_for_task(task, instance_id) @classmethod def fetch_image(cls, session, instance_id, image, user, project, @@ -347,7 +345,7 @@ class VMHelper(HelperBase): kwargs = {'params': pickle.dumps(params)} task = session.async_call_plugin('glance', 'download_vhd', kwargs) - vdi_uuid = session.wait_for_task(instance_id, task) + vdi_uuid = session.wait_for_task(task, instance_id) scan_sr(session, instance_id, sr_ref) @@ -403,7 +401,7 @@ class VMHelper(HelperBase): #let the plugin copy the correct number of bytes args['image-size'] = str(vdi_size) task = session.async_call_plugin('glance', fn, args) - filename = session.wait_for_task(instance_id, task) + filename = session.wait_for_task(task, instance_id) #remove the VDI as it is not needed anymore session.get_xenapi().VDI.destroy(vdi) LOG.debug(_("Kernel/Ramdisk VDI %s destroyed"), vdi) @@ -495,7 +493,7 @@ class VMHelper(HelperBase): if image_type == ImageType.DISK_RAW: args['raw'] = 'true' task = session.async_call_plugin('objectstore', fn, args) - uuid = session.wait_for_task(instance_id, task) + uuid = session.wait_for_task(task, instance_id) return uuid @classmethod @@ -515,7 +513,7 @@ class VMHelper(HelperBase): args = {} args['vdi-ref'] = vdi_ref task = session.async_call_plugin('objectstore', fn, args) - pv_str = session.wait_for_task(instance_id, task) + pv_str = session.wait_for_task(task, instance_id) pv = None if pv_str.lower() == 'true': pv = True @@ -656,7 +654,7 @@ def get_vhd_parent_uuid(session, vdi_ref): def scan_sr(session, instance_id, sr_ref): LOG.debug(_("Re-scanning SR %s"), sr_ref) task = session.call_xenapi('Async.SR.scan', sr_ref) - session.wait_for_task(instance_id, task) + session.wait_for_task(task, instance_id) def wait_for_vhd_coalesce(session, instance_id, sr_ref, vdi_ref, diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index bc39aa140..9ac83efb0 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -49,6 +49,7 @@ class VMOps(object): def __init__(self, session): self.XenAPI = session.get_imported_xenapi() self._session = session + VMHelper.XenAPI = self.XenAPI def list_instances(self): @@ -62,20 +63,20 @@ class VMOps(object): def spawn(self, instance): """Create VM instance""" - vm = VMHelper.lookup(self._session, instance.name) + instance_name = instance.name + vm = VMHelper.lookup(self._session, instance_name) if vm is not None: raise exception.Duplicate(_('Attempted to create' - ' non-unique name %s') % instance.name) + ' non-unique name %s') % instance_name) #ensure enough free memory is available if not VMHelper.ensure_free_mem(self._session, instance): - name = instance['name'] - LOG.exception(_('instance %(name)s: not enough free memory') - % locals()) - db.instance_set_state(context.get_admin_context(), - instance['id'], - power_state.SHUTDOWN) - return + LOG.exception(_('instance %(instance_name)s: not enough free ' + 'memory') % locals()) + db.instance_set_state(context.get_admin_context(), + instance['id'], + power_state.SHUTDOWN) + return user = AuthManager().get_user(instance.user_id) project = AuthManager().get_project(instance.project_id) @@ -116,10 +117,9 @@ class VMOps(object): self.create_vifs(instance, networks) LOG.debug(_('Starting VM %s...'), vm_ref) - self._session.call_xenapi('VM.start', vm_ref, False, False) - instance_name = instance.name + self._start(instance, vm_ref) LOG.info(_('Spawning VM %(instance_name)s created %(vm_ref)s.') - % locals()) + % locals()) def _inject_onset_files(): onset_files = instance.onset_files @@ -143,18 +143,18 @@ class VMOps(object): def _wait_for_boot(): try: - state = self.get_info(instance['name'])['state'] + state = self.get_info(instance_name)['state'] db.instance_set_state(context.get_admin_context(), instance['id'], state) if state == power_state.RUNNING: - LOG.debug(_('Instance %s: booted'), instance['name']) + LOG.debug(_('Instance %s: booted'), instance_name) timer.stop() _inject_onset_files() return True except Exception, exc: LOG.warn(exc) LOG.exception(_('instance %s: failed to boot'), - instance['name']) + instance_name) db.instance_set_state(context.get_admin_context(), instance['id'], power_state.SHUTDOWN) @@ -202,6 +202,20 @@ class VMOps(object): _('Instance not present %s') % instance_name) return vm + def _acquire_bootlock(self, vm): + """Prevent an instance from booting""" + self._session.call_xenapi( + "VM.set_blocked_operations", + vm, + {"start": ""}) + + def _release_bootlock(self, vm): + """Allow an instance to boot""" + self._session.call_xenapi( + "VM.remove_from_blocked_operations", + vm, + "start") + def snapshot(self, instance, image_id): """ Create snapshot from a running VM instance @@ -254,7 +268,7 @@ class VMOps(object): """Reboot VM instance""" vm = self._get_vm_opaque_ref(instance) task = self._session.call_xenapi('Async.VM.clean_reboot', vm) - self._session.wait_for_task(instance.id, task) + self._session.wait_for_task(task, instance.id) def set_admin_password(self, instance, new_pass): """Set the root/admin password on the VM instance. This is done via @@ -294,6 +308,11 @@ class VMOps(object): raise RuntimeError(resp_dict['message']) return resp_dict['message'] + def _start(self, instance, vm): + """Start an instance""" + task = self._session.call_xenapi("Async.VM.start", vm, False, False) + self._session.wait_for_task(task, instance.id) + def inject_file(self, instance, b64_path, b64_contents): """Write a file to the VM instance. The path to which it is to be written and the contents of the file need to be supplied; both should @@ -320,8 +339,8 @@ class VMOps(object): raise RuntimeError(resp_dict['message']) return resp_dict['message'] - def _shutdown(self, instance, vm): - """Shutdown an instance """ + def _shutdown(self, instance, vm, hard=True): + """Shutdown an instance""" state = self.get_info(instance['name'])['state'] if state == power_state.SHUTDOWN: LOG.warn(_("VM %(vm)s already halted, skipping shutdown...") % @@ -332,8 +351,13 @@ class VMOps(object): LOG.debug(_("Shutting down VM for Instance %(instance_id)s") % locals()) try: - task = self._session.call_xenapi('Async.VM.hard_shutdown', vm) - self._session.wait_for_task(instance.id, task) + task = None + if hard: + task = self._session.call_xenapi("Async.VM.hard_shutdown", vm) + else: + task = self._session.call_xenapi("Async.VM.clean_shutdown", vm) + + self._session.wait_for_task(task, instance.id) except self.XenAPI.Failure, exc: LOG.exception(exc) @@ -350,7 +374,7 @@ class VMOps(object): for vdi in vdis: try: task = self._session.call_xenapi('Async.VDI.destroy', vdi) - self._session.wait_for_task(instance.id, task) + self._session.wait_for_task(task, instance.id) except self.XenAPI.Failure, exc: LOG.exception(exc) @@ -389,7 +413,7 @@ class VMOps(object): args = {'kernel-file': kernel, 'ramdisk-file': ramdisk} task = self._session.async_call_plugin( 'glance', 'remove_kernel_ramdisk', args) - self._session.wait_for_task(instance.id, task) + self._session.wait_for_task(task, instance.id) LOG.debug(_("kernel/ramdisk files removed")) @@ -398,7 +422,7 @@ class VMOps(object): instance_id = instance.id try: task = self._session.call_xenapi('Async.VM.destroy', vm) - self._session.wait_for_task(instance_id, task) + self._session.wait_for_task(task, instance_id) except self.XenAPI.Failure, exc: LOG.exception(exc) @@ -441,7 +465,7 @@ class VMOps(object): def _wait_with_callback(self, instance_id, task, callback): ret = None try: - ret = self._session.wait_for_task(instance_id, task) + ret = self._session.wait_for_task(task, instance_id) except self.XenAPI.Failure, exc: LOG.exception(exc) callback(ret) @@ -470,6 +494,78 @@ class VMOps(object): task = self._session.call_xenapi('Async.VM.resume', vm, False, True) self._wait_with_callback(instance.id, task, callback) + def rescue(self, instance, callback): + """Rescue the specified instance + - shutdown the instance VM + - set 'bootlock' to prevent the instance from starting in rescue + - spawn a rescue VM (the vm name-label will be instance-N-rescue) + + """ + rescue_vm = VMHelper.lookup(self._session, instance.name + "-rescue") + if rescue_vm: + raise RuntimeError(_( + "Instance is already in Rescue Mode: %s" % instance.name)) + + vm = self._get_vm_opaque_ref(instance) + self._shutdown(instance, vm) + self._acquire_bootlock(vm) + + instance._rescue = True + self.spawn(instance) + rescue_vm = self._get_vm_opaque_ref(instance) + + vbd = self._session.get_xenapi().VM.get_VBDs(vm)[0] + vdi_ref = self._session.get_xenapi().VBD.get_record(vbd)["VDI"] + vbd_ref = VMHelper.create_vbd( + self._session, + rescue_vm, + vdi_ref, + 1, + False) + + self._session.call_xenapi("Async.VBD.plug", vbd_ref) + + def unrescue(self, instance, callback): + """Unrescue the specified instance + - unplug the instance VM's disk from the rescue VM + - teardown the rescue VM + - release the bootlock to allow the instance VM to start + + """ + rescue_vm = VMHelper.lookup(self._session, instance.name + "-rescue") + + if not rescue_vm: + raise exception.NotFound(_( + "Instance is not in Rescue Mode: %s" % instance.name)) + + original_vm = self._get_vm_opaque_ref(instance) + vbds = self._session.get_xenapi().VM.get_VBDs(rescue_vm) + + instance._rescue = False + + for vbd_ref in vbds: + vbd = self._session.get_xenapi().VBD.get_record(vbd_ref) + if vbd["userdevice"] == "1": + VMHelper.unplug_vbd(self._session, vbd_ref) + VMHelper.destroy_vbd(self._session, vbd_ref) + + task1 = self._session.call_xenapi("Async.VM.hard_shutdown", rescue_vm) + self._session.wait_for_task(task1, instance.id) + + vdis = VMHelper.lookup_vm_vdis(self._session, rescue_vm) + for vdi in vdis: + try: + task = self._session.call_xenapi('Async.VDI.destroy', vdi) + self._session.wait_for_task(task, instance.id) + except self.XenAPI.Failure: + continue + + task2 = self._session.call_xenapi('Async.VM.destroy', rescue_vm) + self._session.wait_for_task(task2, instance.id) + + self._release_bootlock(original_vm) + self._start(instance, original_vm) + def get_info(self, instance): """Return data about VM instance""" vm = self._get_vm_opaque_ref(instance) @@ -514,18 +610,30 @@ class VMOps(object): network_IPs = [ip for ip in IPs if ip.network_id == network.id] def ip_dict(ip): - return {'netmask': network['netmask'], - 'enabled': '1', - 'ip': ip.address} + return { + "ip": ip.address, + "netmask": network["netmask"], + "enabled": "1"} + + def ip6_dict(ip6): + return { + "ip": ip6.addressV6, + "netmask": ip6.netmaskV6, + "gateway": ip6.gatewayV6, + "enabled": "1"} mac_id = instance.mac_address.replace(':', '') location = 'vm-data/networking/%s' % mac_id - mapping = {'label': network['label'], - 'gateway': network['gateway'], - 'mac': instance.mac_address, - 'dns': [network['dns']], - 'ips': [ip_dict(ip) for ip in network_IPs]} + mapping = { + 'label': network['label'], + 'gateway': network['gateway'], + 'mac': instance.mac_address, + 'dns': [network['dns']], + 'ips': [ip_dict(ip) for ip in network_IPs], + 'ip6s': [ip6_dict(ip) for ip in network_IPs]} + self.write_to_param_xenstore(vm_opaque_ref, {location: mapping}) + try: self.write_to_xenstore(vm_opaque_ref, location, mapping['location']) @@ -556,8 +664,17 @@ class VMOps(object): NetworkHelper.find_network_with_bridge(self._session, bridge) if network_ref: - VMHelper.create_vif(self._session, vm_opaque_ref, - network_ref, instance.mac_address) + try: + device = "1" if instance._rescue else "0" + except AttributeError: + device = "0" + + VMHelper.create_vif( + self._session, + vm_opaque_ref, + network_ref, + instance.mac_address, + device) def reset_network(self, instance): """ @@ -627,7 +744,7 @@ class VMOps(object): args.update(addl_args) try: task = self._session.async_call_plugin(plugin, method, args) - ret = self._session.wait_for_task(instance_id, task) + ret = self._session.wait_for_task(task, instance_id) except self.XenAPI.Failure, e: ret = None err_trace = e.details[-1] diff --git a/nova/virt/xenapi/volumeops.py b/nova/virt/xenapi/volumeops.py index d89a6f995..757ecf5ad 100644 --- a/nova/virt/xenapi/volumeops.py +++ b/nova/virt/xenapi/volumeops.py @@ -83,7 +83,7 @@ class VolumeOps(object): try: task = self._session.call_xenapi('Async.VBD.plug', vbd_ref) - self._session.wait_for_task(vol_rec['deviceNumber'], task) + self._session.wait_for_task(task, vol_rec['deviceNumber']) except self.XenAPI.Failure, exc: LOG.exception(exc) VolumeHelper.destroy_iscsi_storage(self._session, diff --git a/nova/virt/xenapi_conn.py b/nova/virt/xenapi_conn.py index 60bfe0a9f..d578c04ec 100644 --- a/nova/virt/xenapi_conn.py +++ b/nova/virt/xenapi_conn.py @@ -196,6 +196,14 @@ class XenAPIConnection(object): """resume the specified instance""" self._vmops.resume(instance, callback) + def rescue(self, instance, callback): + """Rescue the specified instance""" + self._vmops.rescue(instance, callback) + + def unrescue(self, instance, callback): + """Unrescue the specified instance""" + self._vmops.unrescue(instance, callback) + def reset_network(self, instance): """reset networking for specified instance""" self._vmops.reset_network(instance) @@ -279,7 +287,7 @@ class XenAPISession(object): self._session.xenapi.Async.host.call_plugin, self.get_xenapi_host(), plugin, fn, args) - def wait_for_task(self, id, task): + def wait_for_task(self, task, id=None): """Return the result of the given task. The task is polled until it completes. Not re-entrant.""" done = event.Event() @@ -306,10 +314,11 @@ class XenAPISession(object): try: name = self._session.xenapi.task.get_name_label(task) status = self._session.xenapi.task.get_status(task) - action = dict( - instance_id=int(id), - action=name[0:255], # Ensure action is never > 255 - error=None) + if id: + action = dict( + instance_id=int(id), + action=name[0:255], # Ensure action is never > 255 + error=None) if status == "pending": return elif status == "success": @@ -323,7 +332,9 @@ class XenAPISession(object): LOG.warn(_("Task [%(name)s] %(task)s status:" " %(status)s %(error_info)s") % locals()) done.send_exception(self.XenAPI.Failure(error_info)) - db.instance_action_create(context.get_admin_context(), action) + + if id: + db.instance_action_create(context.get_admin_context(), action) except self.XenAPI.Failure, exc: LOG.warn(exc) done.send_exception(*sys.exc_info()) |