55195cec46
Add "volume host failover" command in volume v2 (v2 only). Change-Id: Ia39e6d20bf5c9d3096e46f3432804a240827548d Implements: bp cinder-command-support
76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
#
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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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#
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"""Volume v2 host action implementations"""
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from osc_lib.command import command
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from openstackclient.i18n import _
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class FailoverVolumeHost(command.Command):
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_description = _("Failover volume host to different backend")
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def get_parser(self, prog_name):
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parser = super(FailoverVolumeHost, self).get_parser(prog_name)
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parser.add_argument(
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"host",
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metavar="<host-name>",
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help=_("Name of volume host")
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)
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parser.add_argument(
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"--volume-backend",
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metavar="<backend-id>",
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required=True,
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help=_("The ID of the volume backend replication "
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"target where the host will failover to (required)")
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)
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return parser
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def take_action(self, parsed_args):
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service_client = self.app.client_manager.volume
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service_client.services.failover_host(parsed_args.host,
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parsed_args.volume_backend)
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class SetVolumeHost(command.Command):
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_description = _("Set volume host properties")
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def get_parser(self, prog_name):
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parser = super(SetVolumeHost, self).get_parser(prog_name)
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parser.add_argument(
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"host",
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metavar="<host-name>",
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help=_("Name of volume host")
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)
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enabled_group = parser.add_mutually_exclusive_group()
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enabled_group.add_argument(
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"--disable",
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action="store_true",
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help=_("Freeze and disable the specified volume host")
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)
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enabled_group.add_argument(
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"--enable",
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action="store_true",
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help=_("Thaw and enable the specified volume host")
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)
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return parser
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def take_action(self, parsed_args):
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service_client = self.app.client_manager.volume
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if parsed_args.enable:
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service_client.services.thaw_host(parsed_args.host)
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if parsed_args.disable:
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service_client.services.freeze_host(parsed_args.host)
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