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# Copyright 2013 Mirantis Inc.
# All Rights Reserved
#
# 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 neutronclient._i18n import _
from neutronclient.neutron import v2_0 as neutronV20
def _format_provider(pool):
return pool.get('provider') or 'N/A'
class ListPool(neutronV20.ListCommand):
"""List pools that belong to a given tenant."""
resource = 'pool'
list_columns = ['id', 'name', 'provider', 'lb_method', 'protocol',
'admin_state_up', 'status']
_formatters = {'provider': _format_provider}
pagination_support = True
sorting_support = True
class ShowPool(neutronV20.ShowCommand):
"""Show information of a given pool."""
resource = 'pool'
class CreatePool(neutronV20.CreateCommand):
"""Create a pool."""
resource = 'pool'
def add_known_arguments(self, parser):
parser.add_argument(
'--admin-state-down',
dest='admin_state', action='store_false',
help=_('Set admin state up to false.'))
parser.add_argument(
'--description',
help=_('Description of the pool.'))
parser.add_argument(
'--lb-method',
required=True,
choices=['ROUND_ROBIN', 'LEAST_CONNECTIONS', 'SOURCE_IP'],
help=_('The algorithm used to distribute load between the members '
'of the pool.'))
parser.add_argument(
'--name',
required=True,
help=_('The name of the pool.'))
parser.add_argument(
'--protocol',
required=True,
choices=['HTTP', 'HTTPS', 'TCP'],
help=_('Protocol for balancing.'))
parser.add_argument(
'--subnet-id', metavar='SUBNET',
required=True,
help=_('The subnet on which the members of the pool will be '
'located.'))
parser.add_argument(
'--provider',
help=_('Provider name of the loadbalancer service.'))
def args2body(self, parsed_args):
_subnet_id = neutronV20.find_resourceid_by_name_or_id(
self.get_client(), 'subnet', parsed_args.subnet_id)
body = {'admin_state_up': parsed_args.admin_state,
'subnet_id': _subnet_id}
neutronV20.update_dict(parsed_args, body,
['description', 'lb_method', 'name',
'protocol', 'tenant_id', 'provider'])
return {self.resource: body}
class UpdatePool(neutronV20.UpdateCommand):
"""Update a given pool."""
resource = 'pool'
class DeletePool(neutronV20.DeleteCommand):
"""Delete a given pool."""
resource = 'pool'
class RetrievePoolStats(neutronV20.ShowCommand):
"""Retrieve stats for a given pool."""
resource = 'pool'
def take_action(self, parsed_args):
neutron_client = self.get_client()
pool_id = neutronV20.find_resourceid_by_name_or_id(
self.get_client(), 'pool', parsed_args.id)
params = {}
if parsed_args.fields:
params = {'fields': parsed_args.fields}
data = neutron_client.retrieve_pool_stats(pool_id, **params)
self.format_output_data(data)
stats = data['stats']
if 'stats' in data:
return zip(*sorted(stats.items()))
else:
return None
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