Versioned Notifications for service object

Implements: blueprint service-versioned-notifications-api

Change-Id: I9d601edb265ee230104f6c63a5f044869aeb3a02

watcher/cmd/api.py

@@ -22,6 +22,7 @@ import sys
 from oslo_config import cfg
 from oslo_log import log as logging
 
+from watcher.api import scheduling
 from watcher.common import service
 from watcher import conf
 
@@ -45,5 +46,8 @@ def main():
         LOG.info('serving on %(protocol)s://%(host)s:%(port)s' %
                  dict(protocol=protocol, host=host, port=port))
 
+    api_schedule = scheduling.APISchedulingService()
+    api_schedule.start()
+
     launcher = service.launch(CONF, server, workers=server.workers)
     launcher.wait()