# Copyright 2012-2013 OpenStack Foundation # # 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. # """Host action implementations""" from osc_lib.command import command from osc_lib import utils from openstackclient.i18n import _ class ListHost(command.Lister): _description = _("List hosts") def get_parser(self, prog_name): parser = super(ListHost, self).get_parser(prog_name) parser.add_argument( "--zone", metavar="", help=_("Only return hosts in the availability zone") ) return parser def take_action(self, parsed_args): compute_client = self.app.client_manager.compute columns = ( "Host Name", "Service", "Zone" ) data = compute_client.hosts.list_all(parsed_args.zone) return (columns, (utils.get_item_properties( s, columns, ) for s in data)) class SetHost(command.Command): _description = _("Set host properties") def get_parser(self, prog_name): parser = super(SetHost, self).get_parser(prog_name) parser.add_argument( "host", metavar="", help=_("Host to modify (name only)") ) status = parser.add_mutually_exclusive_group() status.add_argument( '--enable', action='store_true', help=_("Enable the host") ) status.add_argument( '--disable', action='store_true', help=_("Disable the host") ) maintenance = parser.add_mutually_exclusive_group() maintenance.add_argument( '--enable-maintenance', action='store_true', help=_("Enable maintenance mode for the host") ) maintenance.add_argument( '--disable-maintenance', action='store_true', help=_("Disable maintenance mode for the host") ) return parser def take_action(self, parsed_args): kwargs = {} if parsed_args.enable: kwargs['status'] = 'enable' if parsed_args.disable: kwargs['status'] = 'disable' if parsed_args.enable_maintenance: kwargs['maintenance_mode'] = 'enable' if parsed_args.disable_maintenance: kwargs['maintenance_mode'] = 'disable' compute_client = self.app.client_manager.compute # More than one hosts will be returned by using find_resource() # so that the return value cannot be used in host update() method. # find_resource() is just used for checking existence of host and # keeping the exception message consistent with other commands. utils.find_resource(compute_client.hosts, parsed_args.host) compute_client.hosts.update( parsed_args.host, kwargs ) class ShowHost(command.Lister): _description = _("Display host details") def get_parser(self, prog_name): parser = super(ShowHost, self).get_parser(prog_name) parser.add_argument( "host", metavar="", help=_("Name of host") ) return parser def take_action(self, parsed_args): compute_client = self.app.client_manager.compute columns = ( "Host", "Project", "CPU", "Memory MB", "Disk GB" ) data = compute_client.hosts.get(parsed_args.host) return (columns, (utils.get_item_properties( s, columns, ) for s in data))