panko/ceilometer/agent/discovery/tenant.py

36 lines
1.2 KiB
Python

# Copyright 2014 Red Hat, Inc
#
# 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_config import cfg
from ceilometer.agent import plugin_base as plugin
from ceilometer.openstack.common import log
LOG = log.getLogger(__name__)
cfg.CONF.import_group('service_credentials', 'ceilometer.service')
class TenantDiscovery(plugin.DiscoveryBase):
"""Discovery that supplies keystone tenants.
This discovery should be used when the pollster's work can't be divided
into smaller pieces than per-tenant. Example of this is the Swift
pollster, which polls account details and does so per-tenant.
"""
def discover(self, manager, param=None):
tenants = manager.keystone.tenants.list()
return tenants or []