Source code for ceilometer.polling.discovery.tenant

# 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_log import log

from ceilometer.polling import plugin_base as plugin

LOG = log.getLogger(__name__)

[docs]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-tenants. Example of this is the Swift pollster, which polls account details and does so per-project. """
[docs] def discover(self, manager, param=None): domains = manager.keystone.domains.list() LOG.debug('Found %s keystone domains', len(domains)) tenants = [] for domain in domains: domain_tenants = manager.keystone.projects.list(domain) LOG.debug("Found %s tenants in domain %s", len(domain_tenants), domain.name) tenants = tenants + domain_tenants return tenants or []
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