45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
# Copyright 2014 Red Hat, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log
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from ceilometer.polling import plugin_base as plugin
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LOG = log.getLogger(__name__)
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class TenantDiscovery(plugin.DiscoveryBase):
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"""Discovery that supplies keystone tenants.
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This discovery should be used when the pollster's work can't be divided
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into smaller pieces than per-tenants. Example of this is the Swift
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pollster, which polls account details and does so per-project.
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"""
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def discover(self, manager, param=None):
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domains = manager.keystone.domains.list()
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LOG.debug('Found %s keystone domains', len(domains))
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if domains:
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tenants = []
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for domain in domains:
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domain_tenants = manager.keystone.projects.list(domain)
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LOG.debug("Found %s tenants in domain %s", len(domain_tenants),
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domain.name)
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tenants = tenants + domain_tenants
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else:
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tenants = manager.keystone.projects.list()
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LOG.debug("No domains - found %s tenants in default domain",
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len(tenants))
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return tenants or []
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