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# 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.openstack.common.gettextutils import _
from novaclient import utils
from novaclient.v1_1 import shell
@utils.arg('host',
metavar='<host>',
help=_('Name of host.'))
@utils.arg('action',
metavar='<action>',
choices=['set', 'delete'],
help=_("Actions: 'set' or 'delete'"))
@utils.arg('metadata',
metavar='<key=value>',
nargs='+',
action='append',
default=[],
help=_('Metadata to set or delete (only key is necessary on '
'delete)'))
def do_host_meta(cs, args):
"""Set or Delete metadata on all instances of a host."""
hypervisors = cs.hypervisors.search(args.host, servers=True)
for hyper in hypervisors:
metadata = shell._extract_metadata(args)
if hasattr(hyper, 'servers'):
for server in hyper.servers:
if args.action == 'set':
cs.servers.set_meta(server['uuid'], metadata)
elif args.action == 'delete':
cs.servers.delete_meta(server['uuid'], metadata.keys())
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