a1cb142009
This change is adding the main logic for the scoring module, defines entry points for the scoring engine plugins and provides a watcher-sync tool to enable Watcher database synchronization without needing to restart any Watcher service. Partially-Implements: blueprint scoring-module Change-Id: If10daae969ec27a7008af5173359992e957dcd5e
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright 2014
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# The Cloudscaling Group, Inc.
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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 keystoneauth1 import loading as ka_loading
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import prettytable as ptable
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import watcher.api.app
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from watcher.applier.loading import default as applier_loader
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from watcher.applier import manager as applier_manager
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from watcher.common import clients
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from watcher.common import utils
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from watcher.decision_engine.loading import default as decision_engine_loader
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from watcher.decision_engine import manager as decision_engine_manger
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from watcher.decision_engine.planner import manager as planner_manager
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PLUGIN_LOADERS = (
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applier_loader.DefaultActionLoader,
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decision_engine_loader.DefaultPlannerLoader,
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decision_engine_loader.DefaultScoringLoader,
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decision_engine_loader.DefaultScoringContainerLoader,
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decision_engine_loader.DefaultStrategyLoader,
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decision_engine_loader.ClusterDataModelCollectorLoader,
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applier_loader.DefaultWorkFlowEngineLoader,
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)
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def list_opts():
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watcher_opts = [
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('api', watcher.api.app.API_SERVICE_OPTS),
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('watcher_decision_engine',
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decision_engine_manger.WATCHER_DECISION_ENGINE_OPTS),
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('watcher_applier', applier_manager.APPLIER_MANAGER_OPTS),
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('watcher_planner', planner_manager.WATCHER_PLANNER_OPTS),
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('nova_client', clients.NOVA_CLIENT_OPTS),
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('glance_client', clients.GLANCE_CLIENT_OPTS),
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('cinder_client', clients.CINDER_CLIENT_OPTS),
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('ceilometer_client', clients.CEILOMETER_CLIENT_OPTS),
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('neutron_client', clients.NEUTRON_CLIENT_OPTS),
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('watcher_clients_auth',
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(ka_loading.get_auth_common_conf_options() +
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ka_loading.get_auth_plugin_conf_options('password') +
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ka_loading.get_session_conf_options()))
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]
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watcher_opts += list_plugin_opts()
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return watcher_opts
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def list_plugin_opts():
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plugins_opts = []
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for plugin_loader_cls in PLUGIN_LOADERS:
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plugin_loader = plugin_loader_cls()
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plugins_map = plugin_loader.list_available()
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for plugin_name, plugin_cls in plugins_map.items():
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plugin_opts = plugin_cls.get_config_opts()
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if plugin_opts:
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plugins_opts.append(
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(plugin_loader.get_entry_name(plugin_name), plugin_opts))
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return plugins_opts
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def _show_plugins_ascii_table(rows):
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headers = ["Namespace", "Plugin name", "Import path"]
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table = ptable.PrettyTable(field_names=headers)
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for row in rows:
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table.add_row(row)
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return table.get_string()
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def show_plugins():
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rows = []
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for plugin_loader_cls in PLUGIN_LOADERS:
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plugin_loader = plugin_loader_cls()
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plugins_map = plugin_loader.list_available()
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rows += [
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(plugin_loader.get_entry_name(plugin_name),
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plugin_name,
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utils.get_cls_import_path(plugin_cls))
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for plugin_name, plugin_cls in plugins_map.items()]
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return _show_plugins_ascii_table(rows)
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