python-openstackclient/openstackclient/compute/v2/availability_zone.py
Joshua Harlow e3c46ece4a Use a common decorator to log 'take_action' activation
Instead of duplicating the same log statement throughout
the code, the same logic can be provided by a shared decorator
that abstracts away the logging capability and unifies it behind
a common function instead.

Change-Id: Icc63bced7347c8bbf0299a4c5821425a10892a79
2015-09-01 16:49:54 -07:00

103 lines
3.4 KiB
Python

# 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.
#
"""Compute v2 Availability Zone action implementations"""
import copy
import logging
from cliff import lister
from novaclient import exceptions as nova_exceptions
import six
from openstackclient.common import utils
from openstackclient.i18n import _ # noqa
def _xform_availability_zone(az, include_extra):
result = []
zone_info = {}
if hasattr(az, 'zoneState'):
zone_info['zone_status'] = ('available' if az.zoneState['available']
else 'not available')
if hasattr(az, 'zoneName'):
zone_info['zone_name'] = az.zoneName
if not include_extra:
result.append(zone_info)
return result
if hasattr(az, 'hosts') and az.hosts:
for host, services in six.iteritems(az.hosts):
host_info = copy.deepcopy(zone_info)
host_info['host_name'] = host
for svc, state in six.iteritems(services):
info = copy.deepcopy(host_info)
info['service_name'] = svc
info['service_status'] = '%s %s %s' % (
'enabled' if state['active'] else 'disabled',
':-)' if state['available'] else 'XXX',
state['updated_at'])
result.append(info)
else:
zone_info['host_name'] = ''
zone_info['service_name'] = ''
zone_info['service_status'] = ''
result.append(zone_info)
return result
class ListAvailabilityZone(lister.Lister):
"""List availability zones and their status"""
log = logging.getLogger(__name__ + '.ListAvailabilityZone')
def get_parser(self, prog_name):
parser = super(ListAvailabilityZone, self).get_parser(prog_name)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_('List additional fields in output'),
)
return parser
@utils.log_method(log)
def take_action(self, parsed_args):
if parsed_args.long:
columns = ('Zone Name', 'Zone Status',
'Host Name', 'Service Name', 'Service Status')
else:
columns = ('Zone Name', 'Zone Status')
compute_client = self.app.client_manager.compute
try:
data = compute_client.availability_zones.list()
except nova_exceptions.Forbidden as e: # policy doesn't allow
try:
data = compute_client.availability_zones.list(detailed=False)
except Exception:
raise e
# Argh, the availability zones are not iterable...
result = []
for zone in data:
result += _xform_availability_zone(zone, parsed_args.long)
return (columns,
(utils.get_dict_properties(
s, columns
) for s in result))