/usr/lib/python2.7/dist-packages/novaclient/v2/contrib/host_evacuate.py is in python-novaclient 2:6.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | # 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 api_versions
from novaclient import base
from novaclient.i18n import _
from novaclient import utils
class EvacuateHostResponse(base.Resource):
pass
def _server_evacuate(cs, server, args):
success = True
error_message = ""
try:
if api_versions.APIVersion("2.29") <= cs.api_version:
# if microversion >= 2.29
force = getattr(args, 'force', None)
cs.servers.evacuate(server=server['uuid'], host=args.target_host,
force=force)
elif api_versions.APIVersion("2.14") <= cs.api_version:
# if microversion 2.14 - 2.28
cs.servers.evacuate(server=server['uuid'], host=args.target_host)
else:
# else microversion 2.0 - 2.13
on_shared_storage = getattr(args, 'on_shared_storage', None)
cs.servers.evacuate(server=server['uuid'],
host=args.target_host,
on_shared_storage=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})
@utils.arg('host', metavar='<host>', help='Name of host.')
@utils.arg(
'--target_host',
metavar='<target_host>',
default=None,
help=_('Name of target host. If no host is specified the scheduler will '
'select a target.'))
@utils.arg(
'--on-shared-storage',
dest='on_shared_storage',
action="store_true",
default=False,
help=_('Specifies whether all instances files are on shared storage'),
start_version='2.0',
end_version='2.13')
@utils.arg(
'--force',
dest='force',
action='store_true',
default=False,
help=_('Force to not verify the scheduler if a host is provided.'),
start_version='2.29')
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"])
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