Source code for watcher.decision_engine.model.collector.manager

# -*- encoding: utf-8 -*-
# Copyright (c) 2015 b<>com
#
# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
#          Vincent FRANCOISE <vincent.francoise@b-com.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 watcher.common import utils
from watcher.decision_engine.loading import default


[docs]class CollectorManager(object): def __init__(self): self.collector_loader = default.ClusterDataModelCollectorLoader() self._collectors = None self._notification_endpoints = None
[docs] def get_collectors(self): if self._collectors is None: collectors = utils.Struct() available_collectors = self.collector_loader.list_available() for collector_name in available_collectors: collector = self.collector_loader.load(collector_name) collectors[collector_name] = collector self._collectors = collectors return self._collectors
[docs] def get_notification_endpoints(self): if self._notification_endpoints is None: endpoints = [] for collector in self.get_collectors().values(): endpoints.extend(collector.notification_endpoints) self._notification_endpoints = endpoints return self._notification_endpoints
[docs] def get_cluster_model_collector(self, name, osc=None): """Retrieve cluster data model collector :param name: name of the cluster data model collector plugin :type name: str :param osc: an OpenStackClients instance :type osc: :py:class:`~.OpenStackClients` instance :returns: cluster data model collector plugin :rtype: :py:class:`~.BaseClusterDataModelCollector` """ return self.collector_loader.load(name, osc=osc)