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