Implemented clients and auth config module

Implemented clients and auth config module

Implements: blueprint centralise-config-opts

Change-Id: I28ea8376aa34114331cbae61596839ebae6cf7eb

watcher/conf/glance_client.py

@@ -0,0 +1,36 @@
+# -*- encoding: utf-8 -*-
+# Copyright (c) 2016 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
+
+glance_client = cfg.OptGroup(name='glance_client',
+                             title='Configuration Options for Glance')
+
+GLANCE_CLIENT_OPTS = [
+    cfg.StrOpt('api_version',
+               default='2',
+               help='Version of Glance API to use in glanceclient.')]
+
+
+def register_opts(conf):
+    conf.register_group(glance_client)
+    conf.register_opts(GLANCE_CLIENT_OPTS, group=glance_client)
+
+
+def list_opts():
+    return [('glance_client', GLANCE_CLIENT_OPTS)]