Merge "Add Health Check Endpoint"

shipyard_airflow/control/api.py

@@ -30,6 +30,7 @@ from .airflow_connections import AirflowListConnectionsResource
 from .airflow_get_version import GetAirflowVersionResource
 from .middleware import AuthMiddleware, ContextMiddleware, LoggingMiddleware
 from shipyard_airflow.errors import AppError
+from .health import HealthResource
 
 
 def start_api():
@@ -66,6 +67,7 @@ def start_api():
             AirflowDeleteConnectionResource()),
         ('/connections/{action}', AirflowListConnectionsResource()),
         ('/airflow/version', GetAirflowVersionResource()),
+        ('/health', HealthResource()),
     ]
 
     for path, res in v1_0_routes:

shipyard_airflow/control/health.py

@@ -0,0 +1,26 @@
+# Copyright 2017 AT&T Intellectual Property.  All other rights reserved.
+#
+# 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.
+import falcon
+
+from shipyard_airflow.control.base import BaseResource
+
+
+class HealthResource(BaseResource):
+
+    authorized_roles = ['anyone']
+
+    # Return empty response/body to show
+    # that shipyard is healthy
+    def on_get(self, req, resp):
+        resp.status = falcon.HTTP_204