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# 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="<zone>",

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.api.host_list(parsed_args.zone)

return (columns,

(utils.get_dict_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="<host>",

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

compute_client.api.host_set(

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="<host>",

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.api.host_show(parsed_args.host)

return (columns,

(utils.get_dict_properties(

s, columns,

) for s in data))