Source code for ceilometer.central.discovery

#
# Copyright 2014 Red Hat, Inc
#
# Author: Nejc Saje <nsaje@redhat.com>
#
# 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.openstack.common.gettextutils import _LW
from ceilometer.openstack.common import log
from ceilometer import plugin

LOG = log.getLogger(__name__)

cfg.CONF.import_group('service_credentials', 'ceilometer.service')


[docs]class EndpointDiscovery(plugin.DiscoveryBase): """Discovery that supplies service endpoints. This discovery should be used when the relevant APIs are not well suited to dividing the pollster's work into smaller pieces than a whole service at once. Example of this is the floating_ip pollster which calls nova.floating_ips.list() and therefore gets all floating IPs at once. """
[docs] def discover(self, manager, param=None): if not param: return [] endpoints = manager.keystone.service_catalog.get_urls( service_type=param, endpoint_type=cfg.CONF.service_credentials.os_endpoint_type, region_name=cfg.CONF.service_credentials.os_region_name) if not endpoints: LOG.warning(_LW('No endpoints found for service %s'), param) return [] else: return endpoints
[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-tenant. Example of this is the Swift pollster, which polls account details and does so per-tenant. """
[docs] def discover(self, manager, param=None): tenants = manager.keystone.tenants.list() return tenants or []