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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.
import yaml
from oslo_serialization import jsonutils
from zunclient.common import cliutils as utils
from zunclient.common import utils as zun_utils
@utils.arg('--marker',
metavar='<marker>',
default=None,
help='The last host UUID of the previous page; '
'displays list of hosts after "marker".')
@utils.arg('--limit',
metavar='<limit>',
type=int,
help='Maximum number of hosts to return')
@utils.arg('--sort-key',
metavar='<sort-key>',
help='Column to sort results by')
@utils.arg('--sort-dir',
metavar='<sort-dir>',
choices=['desc', 'asc'],
help='Direction to sort. "asc" or "desc".')
def do_host_list(cs, args):
"""Print a list of available host."""
opts = {}
opts['marker'] = args.marker
opts['limit'] = args.limit
opts['sort_key'] = args.sort_key
opts['sort_dir'] = args.sort_dir
opts = zun_utils.remove_null_parms(**opts)
hosts = cs.hosts.list(**opts)
columns = ('uuid', 'hostname', 'mem_total', 'cpus', 'disk_total')
utils.print_list(hosts, columns,
{'versions': zun_utils.print_list_field('versions')},
sortby_index=None)
@utils.arg('host',
metavar='<host>',
help='ID or name of the host to show.')
@utils.arg('-f', '--format',
metavar='<format>',
action='store',
choices=['json', 'yaml', 'table'],
default='table',
help='Print representation of the host.'
'The choices of the output format is json,table,yaml.'
'Defaults to table.')
def do_host_show(cs, args):
"""Show details of a host."""
host = cs.hosts.get(args.host)
if args.format == 'json':
print(jsonutils.dumps(host._info, indent=4, sort_keys=True))
elif args.format == 'yaml':
print(yaml.safe_dump(host._info, default_flow_style=False))
elif args.format == 'table':
utils.print_dict(host._info)
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