985c6c49f9
Watcher fails to load storage plugin in case there is no installed Cinder in OpenStack services. This patch set adds collector_plugins parameter under collector section in watcher.conf. If plugin name is in collector_plugins, The plugin is loaded. Change-Id: Ie3c3543216c925d49b772bf5fe3773ca7d5ae437 Closes-Bug: #1707603
64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
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# Vincent FRANCOISE <vincent.francoise@b-com.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_config import cfg
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from watcher.common import utils
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from watcher.decision_engine.loading import default
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class CollectorManager(object):
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def __init__(self):
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self.collector_loader = default.ClusterDataModelCollectorLoader()
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self._collectors = None
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self._notification_endpoints = None
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def get_collectors(self):
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if self._collectors is None:
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collectors = utils.Struct()
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collector_plugins = cfg.CONF.collector.collector_plugins
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for collector_name in collector_plugins:
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collector = self.collector_loader.load(collector_name)
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collectors[collector_name] = collector
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self._collectors = collectors
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return self._collectors
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def get_notification_endpoints(self):
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if self._notification_endpoints is None:
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endpoints = []
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for collector in self.get_collectors().values():
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endpoints.extend(collector.notification_endpoints)
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self._notification_endpoints = endpoints
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return self._notification_endpoints
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def get_cluster_model_collector(self, name, osc=None):
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"""Retrieve cluster data model collector
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:param name: name of the cluster data model collector plugin
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:type name: str
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:param osc: an OpenStackClients instance
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:type osc: :py:class:`~.OpenStackClients` instance
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:returns: cluster data model collector plugin
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:rtype: :py:class:`~.BaseClusterDataModelCollector`
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"""
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return self.collector_loader.load(name, osc=osc)
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