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Add block storage cleanup command
This patch adds the ``block storage cleanup`` command that allow operators to cleanup resources (volumes and snapshots) with failed operations by requesting services in other hosts in the same cluster to cleanup resources of a failed service. Change-Id: I1375223f525021db5201fa0a9f9a647d17dd01f7
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‎doc/source/cli/command-objects/block-storage-cleanup.rst‎

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=============
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block storage
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=============
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Block Storage v3
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.. autoprogram-cliff:: openstack.volume.v3
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:command: block storage cleanup

‎doc/source/cli/data/cinder.csv‎

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@@ -140,7 +140,7 @@ type-update,volume type set,"Updates volume type name description and/or is_publ
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unmanage,volume delete --remote,Stop managing a volume.
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upload-to-image,image create --volume,Uploads volume to Image Service as an image.
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version-list,versions show --service block-storage,List all API versions. (Supported by API versions 3.0 - 3.latest)
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work-cleanup,,Request cleanup of services with optional filtering. (Supported by API versions 3.24 - 3.latest)
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work-cleanup,block storage cleanup,Request cleanup of services with optional filtering. (Supported by API versions 3.24 - 3.latest)
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bash-completion,complete,Prints arguments for bash_completion.
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help,help,Shows help about this program or one of its subcommands.
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list-extensions,extension list --volume,Lists all available os-api extensions.

‎openstackclient/tests/unit/volume/v3/fakes.py‎

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@@ -49,6 +49,8 @@ def __init__(self, **kwargs):
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self.volume_types.resource_class = fakes.FakeResource(None, {})
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self.services = mock.Mock()
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self.services.resource_class = fakes.FakeResource(None, {})
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self.workers = mock.Mock()
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self.workers.resource_class = fakes.FakeResource(None, {})
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class TestVolume(utils.TestCommand):
@@ -455,3 +457,33 @@ def create_service_log_level_entry(attrs=None):
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service_log_level = fakes.FakeResource(
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None, service_log_level_info, loaded=True)
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return service_log_level
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def create_cleanup_records():
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"""Create fake service cleanup records.
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:return: A list of FakeResource objects
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"""
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cleaning_records = []
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unavailable_records = []
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cleaning_work_info = {
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'id': 1,
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'host': 'devstack@fakedriver-1',
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'binary': 'cinder-volume',
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'cluster_name': 'fake_cluster',
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}
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unavailable_work_info = {
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'id': 2,
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'host': 'devstack@fakedriver-2',
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'binary': 'cinder-scheduler',
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'cluster_name': 'new_cluster',
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}
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cleaning_records.append(cleaning_work_info)
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unavailable_records.append(unavailable_work_info)
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cleaning = [fakes.FakeResource(
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None, obj, loaded=True) for obj in cleaning_records]
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unavailable = [fakes.FakeResource(
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None, obj, loaded=True) for obj in unavailable_records]
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return cleaning, unavailable

‎openstackclient/tests/unit/volume/v3/test_block_storage_cleanup.py‎

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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import uuid
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from cinderclient import api_versions
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from osc_lib import exceptions
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from openstackclient.tests.unit.volume.v3 import fakes as volume_fakes
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from openstackclient.volume.v3 import block_storage_cleanup
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class TestBlockStorage(volume_fakes.TestVolume):
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def setUp(self):
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super().setUp()
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# Get a shortcut to the BlockStorageWorkerManager Mock
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self.worker_mock = self.app.client_manager.volume.workers
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self.worker_mock.reset_mock()
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class TestBlockStorageCleanup(TestBlockStorage):
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cleaning, unavailable = volume_fakes.create_cleanup_records()
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def setUp(self):
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super().setUp()
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self.worker_mock.clean.return_value = (self.cleaning, self.unavailable)
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# Get the command object to test
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self.cmd = \
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block_storage_cleanup.BlockStorageCleanup(self.app, None)
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def test_cleanup(self):
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self.app.client_manager.volume.api_version = \
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api_versions.APIVersion('3.24')
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arglist = [
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]
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verifylist = [
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('cluster', None),
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('host', None),
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('binary', None),
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('is_up', None),
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('disabled', None),
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('resource_id', None),
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('resource_type', None),
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('service_id', None),
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]
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parsed_args = self.check_parser(self.cmd, arglist, verifylist)
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expected_columns = ('ID', 'Cluster Name', 'Host', 'Binary', 'Status')
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cleaning_data = tuple(
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(
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obj.id,
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obj.cluster_name,
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obj.host,
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obj.binary,
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'Cleaning'
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) for obj in self.cleaning
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)
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unavailable_data = tuple(
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(
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obj.id,
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obj.cluster_name,
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obj.host,
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obj.binary,
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'Unavailable'
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) for obj in self.unavailable
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)
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expected_data = cleaning_data + unavailable_data
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columns, data = self.cmd.take_action(parsed_args)
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self.assertEqual(expected_columns, columns)
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self.assertEqual(expected_data, tuple(data))
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# checking if proper call was made to cleanup resources
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# Since we ignore all parameters with None value, we don't
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# have any arguments passed to the API
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self.worker_mock.clean.assert_called_once_with()
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def test_block_storage_cleanup_pre_324(self):
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arglist = [
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]
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verifylist = [
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('cluster', None),
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('host', None),
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('binary', None),
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('is_up', None),
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('disabled', None),
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('resource_id', None),
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('resource_type', None),
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('service_id', None),
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]
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parsed_args = self.check_parser(self.cmd, arglist, verifylist)
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exc = self.assertRaises(exceptions.CommandError, self.cmd.take_action,
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parsed_args)
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self.assertIn(
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'--os-volume-api-version 3.24 or greater is required', str(exc))
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def test_cleanup_with_args(self):
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self.app.client_manager.volume.api_version = \
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api_versions.APIVersion('3.24')
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fake_cluster = 'fake-cluster'
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fake_host = 'fake-host'
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fake_binary = 'fake-service'
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fake_resource_id = str(uuid.uuid4())
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fake_resource_type = 'Volume'
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fake_service_id = 1
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arglist = [
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'--cluster', fake_cluster,
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'--host', fake_host,
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'--binary', fake_binary,
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'--down',
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'--enabled',
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'--resource-id', fake_resource_id,
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'--resource-type', fake_resource_type,
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'--service-id', str(fake_service_id),
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]
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verifylist = [
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('cluster', fake_cluster),
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('host', fake_host),
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('binary', fake_binary),
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('is_up', False),
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('disabled', False),
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('resource_id', fake_resource_id),
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('resource_type', fake_resource_type),
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('service_id', fake_service_id),
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]
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parsed_args = self.check_parser(self.cmd, arglist, verifylist)
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expected_columns = ('ID', 'Cluster Name', 'Host', 'Binary', 'Status')
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cleaning_data = tuple(
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(
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obj.id,
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obj.cluster_name,
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obj.host,
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obj.binary,
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'Cleaning'
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) for obj in self.cleaning
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)
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unavailable_data = tuple(
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(
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obj.id,
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obj.cluster_name,
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obj.host,
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obj.binary,
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'Unavailable'
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) for obj in self.unavailable
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)
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expected_data = cleaning_data + unavailable_data
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columns, data = self.cmd.take_action(parsed_args)
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self.assertEqual(expected_columns, columns)
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self.assertEqual(expected_data, tuple(data))
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# checking if proper call was made to cleanup resources
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self.worker_mock.clean.assert_called_once_with(
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cluster_name=fake_cluster,
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host=fake_host,
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binary=fake_binary,
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is_up=False,
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disabled=False,
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resource_id=fake_resource_id,
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resource_type=fake_resource_type,
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service_id=fake_service_id)

‎openstackclient/volume/v3/block_storage_cleanup.py‎

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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from cinderclient import api_versions
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from osc_lib.command import command
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from osc_lib import exceptions
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from openstackclient.i18n import _
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def _format_cleanup_response(cleaning, unavailable):
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column_headers = (
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'ID',
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'Cluster Name',
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'Host',
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'Binary',
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'Status',
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)
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combined_data = []
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for obj in cleaning:
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details = (obj.id, obj.cluster_name, obj.host, obj.binary, 'Cleaning')
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combined_data.append(details)
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for obj in unavailable:
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details = (obj.id, obj.cluster_name, obj.host, obj.binary,
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'Unavailable')
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combined_data.append(details)
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return (column_headers, combined_data)
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class BlockStorageCleanup(command.Lister):
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"""Do block storage cleanup.
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This command requires ``--os-volume-api-version`` 3.24 or greater.
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"""
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def get_parser(self, prog_name):
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parser = super().get_parser(prog_name)
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parser.add_argument(
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'--cluster',
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metavar='<cluster>',
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help=_('Name of block storage cluster in which cleanup needs '
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'to be performed (name only)')
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)
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parser.add_argument(
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"--host",
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metavar="<host>",
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default=None,
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help=_("Host where the service resides. (name only)")
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)
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parser.add_argument(
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'--binary',
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metavar='<binary>',
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default=None,
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help=_("Name of the service binary.")
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)
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service_up_parser = parser.add_mutually_exclusive_group()
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service_up_parser.add_argument(
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'--up',
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dest='is_up',
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action='store_true',
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default=None,
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help=_(
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'Filter by up status. If this is set, services need to be up.'
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)
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)
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service_up_parser.add_argument(
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'--down',
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dest='is_up',
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action='store_false',
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help=_(
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'Filter by down status. If this is set, services need to be '
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'down.'
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)
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)
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service_disabled_parser = parser.add_mutually_exclusive_group()
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service_disabled_parser.add_argument(
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'--disabled',
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dest='disabled',
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action='store_true',
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default=None,
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help=_('Filter by disabled status.')
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)
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service_disabled_parser.add_argument(
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'--enabled',
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dest='disabled',
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action='store_false',
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help=_('Filter by enabled status.')
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)
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parser.add_argument(
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'--resource-id',
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metavar='<resource-id>',
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default=None,
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help=_('UUID of a resource to cleanup.')
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)
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parser.add_argument(
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'--resource-type',
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metavar='<Volume|Snapshot>',
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choices=('Volume', 'Snapshot'),
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help=_('Type of resource to cleanup.')
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)
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parser.add_argument(
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'--service-id',
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type=int,
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default=None,
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help=_(
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'The service ID field from the DB, not the UUID of the '
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'service.'
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)
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)
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return parser
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def take_action(self, parsed_args):
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volume_client = self.app.client_manager.volume
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if volume_client.api_version < api_versions.APIVersion('3.24'):
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msg = _(
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"--os-volume-api-version 3.24 or greater is required to "
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"support the 'block storage cleanup' command"
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)
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raise exceptions.CommandError(msg)
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filters = {
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'cluster_name': parsed_args.cluster,
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'host': parsed_args.host,
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'binary': parsed_args.binary,
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'is_up': parsed_args.is_up,
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'disabled': parsed_args.disabled,
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'resource_id': parsed_args.resource_id,
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'resource_type': parsed_args.resource_type,
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'service_id': parsed_args.service_id
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}
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filters = {k: v for k, v in filters.items() if v is not None}
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cleaning, unavailable = volume_client.workers.clean(**filters)
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return _format_cleanup_response(cleaning, unavailable)

‎releasenotes/notes/add-workers-cleanup-command-720573c0f642efe9.yaml‎

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---
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features:
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- |
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Added ``block storage cleanup`` command that allows cleanup
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of resources (volumes and snapshots) by services in other nodes
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in a cluster in an Active-Active deployments.

‎setup.cfg‎

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@@ -824,3 +824,4 @@ openstack.volume.v3 =
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volume_revert = openstackclient.volume.v3.volume:VolumeRevertToSnapshot
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block_storage_log_level_list = openstackclient.volume.v3.block_storage_log_level:BlockStorageLogLevelList
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block_storage_log_level_set = openstackclient.volume.v3.block_storage_log_level:BlockStorageLogLevelSet
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block_storage_cleanup = openstackclient.volume.v3.block_storage_cleanup:BlockStorageCleanup

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