def _test_volume_restore(self, stack_name, final_status='available', stack_final_status=('RESTORE', 'COMPLETE')): # create script cinder.CinderClientPlugin._create().MultipleTimes().AndReturn( self.cinder_fc) self.cinder_fc.volumes.create(size=1, availability_zone=None, description='test_description', name='test_name').AndReturn( vt_base.FakeVolume('creating')) fv = vt_base.FakeVolume('available') self.cinder_fc.volumes.get(fv.id).AndReturn(fv) self.stub_VolumeBackupConstraint_validate() # snapshot script fb = vt_base.FakeBackup('creating') self.m.StubOutWithMock(self.cinder_fc.backups, 'create') self.cinder_fc.backups.create(fv.id).AndReturn(fb) self.m.StubOutWithMock(self.cinder_fc.backups, 'get') self.cinder_fc.backups.get(fb.id).AndReturn( vt_base.FakeBackup('available')) # restore script fvbr = vt_base.FakeBackupRestore('vol-123') self.m.StubOutWithMock(self.cinder_fc.restores, 'restore') self.cinder_fc.restores.restore('backup-123', 'vol-123').AndReturn(fvbr) fv_restoring = vt_base.FakeVolume('restoring-backup', id=fv.id) self.cinder_fc.volumes.get('vol-123').AndReturn(fv_restoring) fv_final = vt_base.FakeVolume(final_status, id=fv.id) self.cinder_fc.volumes.get('vol-123').AndReturn(fv_final) self.m.ReplayAll() t = template_format.parse(single_cinder_volume_template) stack = utils.parse_stack(t, stack_name=stack_name) scheduler.TaskRunner(stack.create)() self.assertEqual((stack.CREATE, stack.COMPLETE), stack.state) scheduler.TaskRunner(stack.snapshot, None)() self.assertEqual((stack.SNAPSHOT, stack.COMPLETE), stack.state) data = stack.prepare_abandon() fake_snapshot = collections.namedtuple('Snapshot', ('data', 'stack_id'))(data, stack.id) stack.restore(fake_snapshot) self.assertEqual(stack_final_status, stack.state) self.m.VerifyAll()
def test_cinder_snapshot_error(self): stack_name = 'test_cvolume_snpsht_err_stack' cinder.CinderClientPlugin._create().MultipleTimes().AndReturn( self.cinder_fc) self.cinder_fc.volumes.create(size=1, availability_zone=None, description='test_description', name='test_name').AndReturn( vt_base.FakeVolume('creating')) fv = vt_base.FakeVolume('available') self.cinder_fc.volumes.get(fv.id).AndReturn(fv) fb = vt_base.FakeBackup('creating') self.m.StubOutWithMock(self.cinder_fc.backups, 'create') self.cinder_fc.backups.create(fv.id).AndReturn(fb) self.m.StubOutWithMock(self.cinder_fc.backups, 'get') fail_reason = 'Could not determine which Swift endpoint to use' self.cinder_fc.backups.get(fb.id).AndReturn( vt_base.FakeBackup('error', fail_reason=fail_reason)) self.m.ReplayAll() t = template_format.parse(single_cinder_volume_template) stack = utils.parse_stack(t, stack_name=stack_name) rsrc = stack['volume'] scheduler.TaskRunner(rsrc.create)() self.assertRaises(exception.ResourceFailure, scheduler.TaskRunner(rsrc.snapshot)) self.assertEqual((rsrc.SNAPSHOT, rsrc.FAILED), rsrc.state) self.assertIn(fail_reason, rsrc.status_reason) self.assertEqual({u'backup_id': u'backup-123'}, resource_data_object.ResourceData.get_all(rsrc)) self.m.VerifyAll()
def test_cinder_snapshot(self): stack_name = 'test_cvolume_snpsht_stack' cinder.CinderClientPlugin._create().MultipleTimes().AndReturn( self.cinder_fc) self.cinder_fc.volumes.create(size=1, availability_zone=None, description='test_description', name='test_name').AndReturn( vt_base.FakeVolume('creating')) fv = vt_base.FakeVolume('available') self.cinder_fc.volumes.get(fv.id).AndReturn(fv) fb = vt_base.FakeBackup('creating') self.m.StubOutWithMock(self.cinder_fc.backups, 'create') self.cinder_fc.backups.create(fv.id).AndReturn(fb) self.m.StubOutWithMock(self.cinder_fc.backups, 'get') self.cinder_fc.backups.get(fb.id).AndReturn( vt_base.FakeBackup('available')) self.m.ReplayAll() t = template_format.parse(single_cinder_volume_template) stack = utils.parse_stack(t, stack_name=stack_name) rsrc = stack['volume'] scheduler.TaskRunner(rsrc.create)() scheduler.TaskRunner(rsrc.snapshot)() self.assertEqual((rsrc.SNAPSHOT, rsrc.COMPLETE), rsrc.state) self.assertEqual({'backup_id': 'backup-123'}, resource_data_object.ResourceData.get_all(rsrc)) self.m.VerifyAll()
def test_snapshot_error(self): stack_name = 'test_volume_snapshot_err_stack' fv = self._mock_create_volume(vt_base.FakeVolume('creating'), stack_name) # snapshot script self.m.StubOutWithMock(self.cinder_fc.backups, 'create') self.m.StubOutWithMock(self.cinder_fc.backups, 'get') fb = vt_base.FakeBackup('error') self.cinder_fc.backups.create(fv.id).AndReturn(fb) self.cinder_fc.backups.get(fb.id).AndReturn(fb) self.m.ReplayAll() self.t['Resources']['DataVolume']['DeletionPolicy'] = 'Snapshot' stack = utils.parse_stack(self.t, stack_name=stack_name) rsrc = self.create_volume(self.t, stack, 'DataVolume') ex = self.assertRaises(exception.ResourceFailure, scheduler.TaskRunner(rsrc.destroy)) self.assertIn('Unknown status error', six.text_type(ex)) self.m.VerifyAll()
def test_snapshot(self): stack_name = 'test_volume_snapshot_stack' fv = self._mock_create_volume(vt_base.FakeVolume('creating'), stack_name) # snapshot script self.m.StubOutWithMock(self.cinder_fc.backups, 'create') self.m.StubOutWithMock(self.cinder_fc.backups, 'get') fb = vt_base.FakeBackup('available') self.cinder_fc.backups.create(fv.id).AndReturn(fb) self.cinder_fc.backups.get(fb.id).AndReturn(fb) self.cinder_fc.volumes.get(fv.id).AndReturn(fv) self._mock_delete_volume(fv) self.m.ReplayAll() self.t['Resources']['DataVolume']['DeletionPolicy'] = 'Snapshot' stack = utils.parse_stack(self.t, stack_name=stack_name) rsrc = self.create_volume(self.t, stack, 'DataVolume') scheduler.TaskRunner(rsrc.destroy)() self.m.VerifyAll()