Implemented wacther decision engine config module

Implemented wacther decision engine config module

Partially Implements: blueprint centralise-config-opts

Change-Id: Ie4e9dd7d902fa85044d1859974cbd75d54c8b6cc

watcher/conf/decision_engine.py

@@ -0,0 +1,64 @@
+# -*- encoding: utf-8 -*-
+# Copyright (c) 2015 Intel Corp
+#
+# Authors: Prudhvi Rao Shedimbi <prudhvi.rao.shedimbi@intel.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
+
+
+watcher_decision_engine = cfg.OptGroup(name='watcher_decision_engine',
+                                       title='Defines the parameters of '
+                                             'the module decision engine')
+
+WATCHER_DECISION_ENGINE_OPTS = [
+    cfg.StrOpt('conductor_topic',
+               default='watcher.decision.control',
+               help='The topic name used for '
+                    'control events, this topic '
+                    'used for RPC calls'),
+    cfg.ListOpt('notification_topics',
+                default=['versioned_notifications', 'watcher_notifications'],
+                help='The topic names from which notification events '
+                     'will be listened to'),
+    cfg.StrOpt('publisher_id',
+               default='watcher.decision.api',
+               help='The identifier used by the Watcher '
+                    'module on the message broker'),
+    cfg.IntOpt('max_workers',
+               default=2,
+               required=True,
+               help='The maximum number of threads that can be used to '
+                    'execute strategies'),
+]
+
+WATCHER_CONTINUOUS_OPTS = [
+    cfg.IntOpt('continuous_audit_interval',
+               default=10,
+               help='Interval (in seconds) for checking newly created '
+                    'continuous audits.')
+]
+
+
+def register_opts(conf):
+    conf.register_group(watcher_decision_engine)
+    conf.register_opts(WATCHER_DECISION_ENGINE_OPTS,
+                       group=watcher_decision_engine)
+    conf.register_opts(WATCHER_CONTINUOUS_OPTS, group=watcher_decision_engine)
+
+
+def list_opts():
+    return [('watcher_decision_engine', WATCHER_DECISION_ENGINE_OPTS),
+            ('watcher_decision_engine', WATCHER_CONTINUOUS_OPTS)]