From e7fea6870845b9be9b863016aee1416b179165da Mon Sep 17 00:00:00 2001
From: Matt Jia <mjia@redhat.com>
Date: Aug 14 2017 05:09:39 +0000
Subject: add health checks for the web application


---

diff --git a/functional-tests/test_healthcheck.py b/functional-tests/test_healthcheck.py
new file mode 100644
index 0000000..e27ff90
--- /dev/null
+++ b/functional-tests/test_healthcheck.py
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+
+def test_healthcheck(requests_session, greenwave_server):
+    r = requests_session.get(greenwave_server.url + 'healthcheck')
+    assert r.status_code == 200
+    assert r.text == 'Health check OK'
diff --git a/greenwave/app_factory.py b/greenwave/app_factory.py
index f19c637..5519e7c 100644
--- a/greenwave/app_factory.py
+++ b/greenwave/app_factory.py
@@ -54,4 +54,16 @@ def create_app(config_obj=None):
     init_logging(app)
     # register blueprints
     app.register_blueprint(api, url_prefix="/api/v1.0")
+    app.add_url_rule('/healthcheck', view_func=healthcheck)
     return app
+
+
+def healthcheck():
+    """
+    Request handler for performing an application-level health check. This is
+    not part of the published API, it is intended for use by OpenShift or other
+    monitoring tools.
+
+    Returns a 200 response if the application is alive and able to serve requests.
+    """
+    return ('Health check OK', 200, [('Content-Type', 'text/plain')])