Add API entry for Statistics

This patch adds a new method in API to
get API statistics information.

Change-Id: I7a0b0f6a9e306653ed5d231a5bfaae79f9ff8d27
Partly-Implements: blueprint api-request-stats

muranoapi/api/v1/request_statistics.py

@@ -15,7 +15,9 @@
 import time
 
 from muranoapi.api import v1
+from muranoapi.db.services import stats
 from muranoapi.openstack.common import log as logging
+from muranoapi.openstack.common import wsgi
 
 LOG = logging.getLogger(__name__)
 
@@ -86,3 +88,17 @@ def update_error_count(api, method, ex_time, tenant=None):
 def init_stats():
     if not v1.stats:
         v1.stats = RequestStatisticsCollection()
+
+
+class Controller(object):
+    def get(self, request):
+        model = stats.Statistics()
+        entries = model.get_all()
+        ent_list = []
+        for entry in entries:
+            ent_list.append(entry.to_dict())
+        return ent_list
+
+
+def create_resource():
+    return wsgi.Resource(Controller())

muranoapi/api/v1/router.py

@@ -17,6 +17,7 @@ from muranoapi.api.v1 import catalog
 from muranoapi.api.v1 import deployments
 from muranoapi.api.v1 import environment_statistics
 from muranoapi.api.v1 import environments
+from muranoapi.api.v1 import request_statistics
 from muranoapi.api.v1 import services
 from muranoapi.api.v1 import sessions
 from muranoapi.openstack.common import wsgi
@@ -171,4 +172,10 @@ class API(wsgi.Router):
                        action='download',
                        conditions={'method': ['GET']})
 
+        req_stats_resource = request_statistics.create_resource()
+        mapper.connect('/stats',
+                       controller=req_stats_resource,
+                       action='get',
+                       conditions={'method': ['GET']})
+
         super(API, self).__init__(mapper)

muranoapi/db/services/stats.py

@@ -18,6 +18,13 @@ from muranoapi.db import session as db_session
 
 
 class Statistics(object):
+
+    @staticmethod
+    def get_all():
+        db = db_session.get_session()
+        stats = db.query(m.ApiStats).all()
+        return stats
+
     @staticmethod
     def get_stats_by_id(stats_id):
         db = db_session.get_session()