diff options
| -rw-r--r-- | nova/compute/manager.py | 20 | ||||
| -rw-r--r-- | nova/tests/test_xenapi.py | 36 | ||||
| -rw-r--r-- | nova/virt/xenapi/vmops.py | 9 | ||||
| -rw-r--r-- | nova/virt/xenapi_conn.py | 6 |
4 files changed, 54 insertions, 17 deletions
diff --git a/nova/compute/manager.py b/nova/compute/manager.py index eb3996d29..01a7d195f 100644 --- a/nova/compute/manager.py +++ b/nova/compute/manager.py @@ -820,20 +820,24 @@ class ComputeManager(manager.SchedulerDependentManager): migration_ref['instance_id']) # TODO(mdietz): apply the rest of the instance_type attributes going # after they're supported - instance_type = self.db.instance_type_get_by_flavor_id(context, - migration_ref['new_flavor_id']) - self.db.instance_update(context, instance_id, - dict(instance_type_id=instance_type['id'], - memory_mb=instance_type['memory_mb'], - vcpus=instance_type['vcpus'], - local_gb=instance_type['local_gb'])) + resize_instance = False + if migration_ref['old_flavor_id'] != migration_ref['new_flavor_id']: + instance_type = self.db.instance_type_get_by_flavor_id(context, + migration_ref['new_flavor_id']) + self.db.instance_update(context, instance_id, + dict(instance_type_id=instance_type['id'], + memory_mb=instance_type['memory_mb'], + vcpus=instance_type['vcpus'], + local_gb=instance_type['local_gb'])) + resize_instance = True # reload the updated instance ref # FIXME(mdietz): is there reload functionality? instance = self.db.instance_get(context, instance_id) network_info = self.network_api.get_instance_nw_info(context, instance) - self.driver.finish_resize(instance, disk_info, network_info) + self.driver.finish_resize(instance, disk_info, network_info, + resize_instance) self.db.migration_update(context, migration_id, {'status': 'finished', }) diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py index 9b512b73b..be263d17c 100644 --- a/nova/tests/test_xenapi.py +++ b/nova/tests/test_xenapi.py @@ -810,10 +810,10 @@ class XenAPIMigrateInstance(test.TestCase): 'mac': 'DE:AD:BE:EF:00:00', 'rxtx_cap': 3})] conn.finish_resize(instance, dict(base_copy='hurr', cow='durr'), - network_info) + network_info, resize_instance=True) self.assertEqual(self.called, True) - def test_finish_migrate_no_resize_vdi(self): + def test_finish_migrate_no_local_storage(self): tiny_type_id = \ instance_types.get_instance_type_by_name('m1.tiny')['id'] self.values.update({'instance_type_id': tiny_type_id, 'local_gb': 0}) @@ -842,7 +842,37 @@ class XenAPIMigrateInstance(test.TestCase): 'mac': 'DE:AD:BE:EF:00:00', 'rxtx_cap': 3})] conn.finish_resize(instance, dict(base_copy='hurr', cow='durr'), - network_info) + network_info, resize_instance=True) + + def test_finish_migrate_no_resize_vdi(self): + instance = db.instance_create(self.context, self.values) + + def fake_vdi_resize(*args, **kwargs): + raise Exception("This shouldn't be called") + + self.stubs.Set(stubs.FakeSessionForMigrationTests, + "VDI_resize_online", fake_vdi_resize) + stubs.stubout_session(self.stubs, stubs.FakeSessionForMigrationTests) + stubs.stubout_loopingcall_start(self.stubs) + conn = xenapi_conn.get_connection(False) + network_info = [({'bridge': 'fa0', 'id': 0, 'injected': False}, + {'broadcast': '192.168.0.255', + 'dns': ['192.168.0.1'], + 'gateway': '192.168.0.1', + 'gateway6': 'dead:beef::1', + 'ip6s': [{'enabled': '1', + 'ip': 'dead:beef::dcad:beff:feef:0', + 'netmask': '64'}], + 'ips': [{'enabled': '1', + 'ip': '192.168.0.100', + 'netmask': '255.255.255.0'}], + 'label': 'fake', + 'mac': 'DE:AD:BE:EF:00:00', + 'rxtx_cap': 3})] + + # Resize instance would be determined by the compute call + conn.finish_resize(instance, dict(base_copy='hurr', cow='durr'), + network_info, resize_instance=False) class XenAPIDetermineDiskImageTestCase(test.TestCase): diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 8bce6bb89..aec14f880 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -110,13 +110,14 @@ class VMOps(object): vm_ref = VMHelper.lookup(self._session, instance.name) self._start(instance, vm_ref) - def finish_resize(self, instance, disk_info, network_info): + def finish_resize(self, instance, disk_info, network_info, + resize_instance): vdi_uuid = self.link_disks(instance, disk_info['base_copy'], disk_info['cow']) vm_ref = self._create_vm(instance, [dict(vdi_type='os', vdi_uuid=vdi_uuid)], network_info) - self.resize_instance(instance, vdi_uuid) + self.resize_instance(instance, vdi_uuid, resize_instance) self._spawn(instance, vm_ref) def _start(self, instance, vm_ref=None): @@ -565,7 +566,7 @@ class VMOps(object): return new_cow_uuid - def resize_instance(self, instance, vdi_uuid): + def resize_instance(self, instance, vdi_uuid, resize_instance): """Resize a running instance by changing its RAM and disk size.""" #TODO(mdietz): this will need to be adjusted for swap later #The new disk size must be in bytes @@ -577,7 +578,7 @@ class VMOps(object): " Expanding to %(instance_local_gb)d GB") % locals()) vdi_ref = self._session.call_xenapi('VDI.get_by_uuid', vdi_uuid) # for an instance with no local storage - if new_disk_size > 0: + if resize_instance and new_disk_size > 0: self._session.call_xenapi('VDI.resize_online', vdi_ref, str(new_disk_size)) LOG.debug(_("Resize instance %s complete") % (instance.name)) diff --git a/nova/virt/xenapi_conn.py b/nova/virt/xenapi_conn.py index ec8c44c1c..18654d7e5 100644 --- a/nova/virt/xenapi_conn.py +++ b/nova/virt/xenapi_conn.py @@ -202,9 +202,11 @@ class XenAPIConnection(driver.ComputeDriver): """Reverts a resize, powering back on the instance""" self._vmops.revert_resize(instance) - def finish_resize(self, instance, disk_info, network_info): + def finish_resize(self, instance, disk_info, network_info, + resize_instance=False): """Completes a resize, turning on the migrated instance""" - self._vmops.finish_resize(instance, disk_info, network_info) + self._vmops.finish_resize(instance, disk_info, network_info, + resize_instance) def snapshot(self, instance, image_id): """ Create snapshot from a running VM instance """ |