Merge "Add wsgi module"

aodh/api/app.wsgi

@@ -19,5 +19,9 @@
 See http://pecan.readthedocs.org/en/latest/deployment.html for details.
 """
 from aodh.api import app
+import warnings
+
+
+warnings.warn('Using app.wsgi is deprecated. Use aodh.wsgi.api instead')
 
 application = app.build_wsgi_app(argv=[])

aodh/wsgi/api.py

@@ -0,0 +1,22 @@
+#    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.
+"""WSGI application entry-point for Aodh API."""
+
+import threading
+
+from aodh.api import app
+
+
+application = None
+with threading.Lock():
+    if application is None:
+        application = app.build_wsgi_app(argv=[])

devstack/settings

@@ -11,7 +11,7 @@ AODH_DIR=$DEST/aodh
 AODH_CONF_DIR=/etc/aodh
 AODH_CONF=$AODH_CONF_DIR/aodh.conf
 AODH_UWSGI_CONF=$AODH_CONF_DIR/aodh-uwsgi.ini
-AODH_UWSGI=$AODH_DIR/aodh/api/app.wsgi
+AODH_UWSGI=aodh.wsgi.api:application
 
 # Set up database backend
 AODH_BACKEND=${AODH_BACKEND:-mysql}