From a3a67d476132fe5f55020cf2dc1f672c17be6eb3 Mon Sep 17 00:00:00 2001 From: whoami-rajat Date: Tue, 5 Jun 2018 07:44:35 +0000 Subject: [PATCH] Adding test case for migration policy 'never' There doesn't exist any test case in tempest for retype volume without migration, so adding new test for it. Related-Bug: #1740544 Change-Id: I58c348b954a679bc809906b2c73df9b1ab4459c5 --- ...ith_migration.py => test_volume_retype.py} | 141 ++++++++++++------ 1 file changed, 96 insertions(+), 45 deletions(-) rename tempest/api/volume/admin/{test_volume_retype_with_migration.py => test_volume_retype.py} (69%) diff --git a/tempest/api/volume/admin/test_volume_retype_with_migration.py b/tempest/api/volume/admin/test_volume_retype.py similarity index 69% rename from tempest/api/volume/admin/test_volume_retype_with_migration.py rename to tempest/api/volume/admin/test_volume_retype.py index 025c1be95d..423104b3a8 100644 --- a/tempest/api/volume/admin/test_volume_retype_with_migration.py +++ b/tempest/api/volume/admin/test_volume_retype.py @@ -10,6 +10,7 @@ # License for the specific language governing permissions and limitations # under the License. +import abc from oslo_log import log as logging @@ -23,31 +24,7 @@ CONF = config.CONF LOG = logging.getLogger(__name__) -class VolumeRetypeWithMigrationTest(base.BaseVolumeAdminTest): - - @classmethod - def skip_checks(cls): - super(VolumeRetypeWithMigrationTest, cls).skip_checks() - - if not CONF.volume_feature_enabled.multi_backend: - raise cls.skipException("Cinder multi-backend feature disabled.") - - if len(set(CONF.volume.backend_names)) < 2: - raise cls.skipException("Requires at least two different " - "backend names") - - @classmethod - def resource_setup(cls): - super(VolumeRetypeWithMigrationTest, cls).resource_setup() - # read backend name from a list. - backend_src = CONF.volume.backend_names[0] - backend_dst = CONF.volume.backend_names[1] - - extra_specs_src = {"volume_backend_name": backend_src} - extra_specs_dst = {"volume_backend_name": backend_dst} - - cls.src_vol_type = cls.create_volume_type(extra_specs=extra_specs_src) - cls.dst_vol_type = cls.create_volume_type(extra_specs=extra_specs_dst) +class VolumeRetypeTest(base.BaseVolumeAdminTest): def _wait_for_internal_volume_cleanup(self, vol): # When retyping a volume, Cinder creates an internal volume in the @@ -70,10 +47,28 @@ class VolumeRetypeWithMigrationTest(base.BaseVolumeAdminTest): fetched_vol['id']) break - def _retype_volume(self, volume): - keys_with_no_change = ('id', 'size', 'description', 'name', 'user_id', - 'os-vol-tenant-attr:tenant_id') - keys_with_change = ('volume_type', 'os-vol-host-attr:host') + @abc.abstractmethod + def _verify_migration(self, source_vol, dest_vol): + pass + + def _create_volume_from_snapshot(self): + # Create a volume in the first backend + src_vol = self.create_volume(volume_type=self.src_vol_type['name']) + + # Create a volume snapshot + snapshot = self.create_snapshot(src_vol['id']) + + # Create a volume from the snapshot + src_vol = self.create_volume(volume_type=self.src_vol_type['name'], + snapshot_id=snapshot['id']) + + # Delete the snapshot + self.snapshots_client.delete_snapshot(snapshot['id']) + self.snapshots_client.wait_for_resource_deletion(snapshot['id']) + + return src_vol + + def _retype_volume(self, volume, migration_policy): volume_source = self.admin_volume_client.show_volume( volume['id'])['volume'] @@ -81,7 +76,7 @@ class VolumeRetypeWithMigrationTest(base.BaseVolumeAdminTest): self.volumes_client.retype_volume( volume['id'], new_type=self.dst_vol_type['name'], - migration_policy='on-demand') + migration_policy=migration_policy) self.addCleanup(self._wait_for_internal_volume_cleanup, volume) waiters.wait_for_volume_retype(self.volumes_client, volume['id'], self.dst_vol_type['name']) @@ -89,6 +84,41 @@ class VolumeRetypeWithMigrationTest(base.BaseVolumeAdminTest): volume_dest = self.admin_volume_client.show_volume( volume['id'])['volume'] + self._verify_migration(volume_source, volume_dest) + + +class VolumeRetypeWithMigrationTest(VolumeRetypeTest): + + @classmethod + def skip_checks(cls): + super(VolumeRetypeTest, cls).skip_checks() + + if not CONF.volume_feature_enabled.multi_backend: + raise cls.skipException("Cinder multi-backend feature disabled.") + + if len(set(CONF.volume.backend_names)) < 2: + raise cls.skipException("Requires at least two different " + "backend names") + + @classmethod + def resource_setup(cls): + super(VolumeRetypeWithMigrationTest, cls).resource_setup() + # read backend name from a list. + backend_src = CONF.volume.backend_names[0] + backend_dst = CONF.volume.backend_names[1] + + extra_specs_src = {"volume_backend_name": backend_src} + extra_specs_dst = {"volume_backend_name": backend_dst} + + cls.src_vol_type = cls.create_volume_type(extra_specs=extra_specs_src) + cls.dst_vol_type = cls.create_volume_type(extra_specs=extra_specs_dst) + + def _verify_migration(self, volume_source, volume_dest): + + keys_with_no_change = ('id', 'size', 'description', 'name', + 'user_id', 'os-vol-tenant-attr:tenant_id') + keys_with_change = ('volume_type', 'os-vol-host-attr:host') + # Check the volume information after the migration. self.assertEqual('success', volume_dest['os-vol-mig-status-attr:migstat']) @@ -103,23 +133,44 @@ class VolumeRetypeWithMigrationTest(base.BaseVolumeAdminTest): @decorators.idempotent_id('a1a41f3f-9dad-493e-9f09-3ff197d477cd') def test_available_volume_retype_with_migration(self): src_vol = self.create_volume(volume_type=self.src_vol_type['name']) - self._retype_volume(src_vol) + self._retype_volume(src_vol, migration_policy='on-demand') @decorators.idempotent_id('d0d9554f-e7a5-4104-8973-f35b27ccb60d') def test_volume_from_snapshot_retype_with_migration(self): - # Create a volume in the first backend - src_vol = self.create_volume(volume_type=self.src_vol_type['name']) - - # Create a volume snapshot - snapshot = self.create_snapshot(src_vol['id']) - - # Create a volume from the snapshot - src_vol = self.create_volume(volume_type=self.src_vol_type['name'], - snapshot_id=snapshot['id']) - - # Delete the snapshot - self.snapshots_client.delete_snapshot(snapshot['id']) - self.snapshots_client.wait_for_resource_deletion(snapshot['id']) + src_vol = self._create_volume_from_snapshot() # Migrate the volume from snapshot to the second backend - self._retype_volume(src_vol) + self._retype_volume(src_vol, migration_policy='on-demand') + + +class VolumeRetypeWithoutMigrationTest(VolumeRetypeTest): + + @classmethod + def resource_setup(cls): + super(VolumeRetypeWithoutMigrationTest, cls).resource_setup() + cls.src_vol_type = cls.create_volume_type('volume-type-1') + cls.dst_vol_type = cls.create_volume_type('volume-type-2') + + def _verify_migration(self, volume_source, volume_dest): + + keys_with_no_change = ('id', 'size', 'description', 'name', + 'user_id', 'os-vol-tenant-attr:tenant_id', + 'os-vol-host-attr:host') + keys_with_change = ('volume_type',) + + # Check the volume information after the retype + self.assertIsNone(volume_dest['os-vol-mig-status-attr:migstat']) + self.assertIsNone(volume_dest['migration_status']) + + for key in keys_with_no_change: + self.assertEqual(volume_source[key], volume_dest[key]) + + for key in keys_with_change: + self.assertNotEqual(volume_source[key], volume_dest[key]) + + @decorators.idempotent_id('b90412ee-465d-46e9-b249-ec84a47d5f25') + def test_available_volume_retype(self): + src_vol = self.create_volume(volume_type=self.src_vol_type['name']) + + # Retype the volume from snapshot + self._retype_volume(src_vol, migration_policy='never')