69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# Copyright 2014 OpenStack Foundation
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# All Rights Reserved.
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#
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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 novaclient.i18n import _
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from novaclient.openstack.common import cliutils
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from novaclient import utils
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def _server_live_migrate(cs, server, args):
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class HostEvacuateLiveResponse(object):
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def __init__(self, server_uuid, live_migration_accepted,
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error_message):
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self.server_uuid = server_uuid
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self.live_migration_accepted = live_migration_accepted
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self.error_message = error_message
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success = True
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error_message = ""
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try:
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cs.servers.live_migrate(server['uuid'], args.target_host,
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args.block_migrate, args.disk_over_commit)
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except Exception as e:
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success = False
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error_message = _("Error while live migrating instance: %s") % e
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return HostEvacuateLiveResponse(server['uuid'],
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success,
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error_message)
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@cliutils.arg('host', metavar='<host>', help='Name of host.')
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@cliutils.arg(
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'--target-host',
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metavar='<target_host>',
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default=None,
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help=_('Name of target host.'))
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@cliutils.arg(
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'--block-migrate',
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action='store_true',
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default=False,
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help=_('Enable block migration.'))
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@cliutils.arg(
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'--disk-over-commit',
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action='store_true',
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default=False,
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help=_('Enable disk overcommit.'))
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def do_host_evacuate_live(cs, args):
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"""Live migrate all instances of the specified host
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to other available hosts.
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"""
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hypervisors = cs.hypervisors.search(args.host, servers=True)
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response = []
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for hyper in hypervisors:
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for server in getattr(hyper, 'servers', []):
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response.append(_server_live_migrate(cs, server, args))
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utils.print_list(response, ["Server UUID", "Live Migration Accepted",
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"Error Message"])
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