5a2a94fbec
In this changeset, I made BaseClusterDataModelCollector instances pluggable. This corresponds to "part 1" of the work items detailed in the specifications. Change-Id: Iab1c7e264add9e2cbbbb767e3fd6e99a0c22c691 Partially-Implements: blueprint cluster-model-objects-wrapper
57 lines
1.9 KiB
Python
57 lines
1.9 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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#
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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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#
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from oslo_config import cfg
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from watcher.common import utils
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from watcher.metrics_engine.loading import default
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CONF = cfg.CONF
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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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def get_collectors(self):
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if self._collectors is None:
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collectors = utils.Struct()
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available_collectors = self.collector_loader.list_available()
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for collector_name in available_collectors:
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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_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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