65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
# Copyright 2013 Rackspace Hosting
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
from novaclient import base
|
|
from novaclient.i18n import _
|
|
from novaclient.openstack.common import cliutils
|
|
from novaclient import utils
|
|
|
|
|
|
class EvacuateHostResponse(base.Resource):
|
|
pass
|
|
|
|
|
|
def _server_evacuate(cs, server, args):
|
|
success = True
|
|
error_message = ""
|
|
try:
|
|
cs.servers.evacuate(server=server['uuid'], host=args.target_host,
|
|
on_shared_storage=args.on_shared_storage)
|
|
except Exception as e:
|
|
success = False
|
|
error_message = _("Error while evacuating instance: %s") % e
|
|
return EvacuateHostResponse(base.Manager,
|
|
{"server_uuid": server['uuid'],
|
|
"evacuate_accepted": success,
|
|
"error_message": error_message})
|
|
|
|
|
|
@cliutils.arg('host', metavar='<host>', help='Name of host.')
|
|
@cliutils.arg(
|
|
'--target_host',
|
|
metavar='<target_host>',
|
|
default=None,
|
|
help=_('Name of target host. If no host is specified the scheduler will '
|
|
'select a target.'))
|
|
@cliutils.arg(
|
|
'--on-shared-storage',
|
|
dest='on_shared_storage',
|
|
action="store_true",
|
|
default=False,
|
|
help=_('Specifies whether all instances files are on shared storage'))
|
|
def do_host_evacuate(cs, args):
|
|
"""Evacuate all instances from failed host."""
|
|
hypervisors = cs.hypervisors.search(args.host, servers=True)
|
|
response = []
|
|
for hyper in hypervisors:
|
|
if hasattr(hyper, 'servers'):
|
|
for server in hyper.servers:
|
|
response.append(_server_evacuate(cs, server, args))
|
|
|
|
utils.print_list(response,
|
|
["Server UUID", "Evacuate Accepted", "Error Message"])
|