7f03b092a4
Added a new extension that adds the ability for admins to migrate all servers of a host to another available hosts. Implements blueprint host-servers-migrate Change-Id: I4e9c4be7ceb098d7a3bf553fd44addd46e8bce72
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright 2013 Rackspace Hosting
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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 import base
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from novaclient import utils
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class HostServersMigrateResponse(base.Resource):
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pass
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def _server_migrate(cs, server):
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success = True
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error_message = ""
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try:
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cs.servers.migrate(server['uuid'])
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except Exception as e:
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success = False
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error_message = "Error while migrating instance: %s" % e
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return HostServersMigrateResponse(base.Manager,
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{"server_uuid": server['uuid'],
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"migration_accepted": success,
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"error_message": error_message})
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@utils.arg('host', metavar='<host>', help='Name of host.')
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def do_host_servers_migrate(cs, args):
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"""Migrate all instances of the specified host to other available hosts."""
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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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if hasattr(hyper, 'servers'):
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for server in hyper.servers:
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response.append(_server_migrate(cs, server))
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utils.print_list(response,
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["Server UUID", "Migration Accepted", "Error Message"])
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