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# 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 oslo_log import log as logging
from osc_lib.command import command
from osc_lib import utils
from zunclient.common import utils as zun_utils
def _host_columns(host):
return host._info.keys()
def _get_client(obj, parsed_args):
obj.log.debug("take_action(%s)" % parsed_args)
return obj.app.client_manager.container
class ListHost(command.Lister):
"""List available hosts"""
log = logging.getLogger(__name__ + ".ListHost")
def get_parser(self, prog_name):
parser = super(ListHost, self).get_parser(prog_name)
parser.add_argument(
'--marker',
metavar='<marker>',
default=None,
help='The last host UUID of the previous page; '
'displays list of hosts after "marker".')
parser.add_argument(
'--limit',
metavar='<limit>',
type=int,
help='Maximum number of hosts to return')
parser.add_argument(
'--sort-key',
metavar='<sort-key>',
help='Column to sort results by')
parser.add_argument(
'--sort-dir',
metavar='<sort-dir>',
choices=['desc', 'asc'],
help='Direction to sort. "asc" or "desc".')
return parser
def take_action(self, parsed_args):
client = _get_client(self, parsed_args)
opts = {}
opts['marker'] = parsed_args.marker
opts['limit'] = parsed_args.limit
opts['sort_key'] = parsed_args.sort_key
opts['sort_dir'] = parsed_args.sort_dir
opts = zun_utils.remove_null_parms(**opts)
hosts = client.hosts.list(**opts)
columns = ('uuid', 'hostname', 'mem_total', 'cpus', 'disk_total')
return (columns, (utils.get_item_properties(host, columns)
for host in hosts))
class ShowHost(command.ShowOne):
"""Show a host"""
log = logging.getLogger(__name__ + ".ShowHost")
def get_parser(self, prog_name):
parser = super(ShowHost, self).get_parser(prog_name)
parser.add_argument(
'host',
metavar='<host>',
help='ID or name of the host to show.')
return parser
def take_action(self, parsed_args):
client = _get_client(self, parsed_args)
host = parsed_args.host
host = client.hosts.get(host)
columns = _host_columns(host)
return columns, utils.get_item_properties(host, columns)
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