Lightweight 'server status' API endpoint, to be used by external load balancers

hc/api/urls.py

@@ -12,4 +12,5 @@ urlpatterns = [
         name="hc-api-bounce"),
     url(r'^badge/([\w-]+)/([\w-]{8})/([\w-]+).svg$', views.badge,
         name="hc-badge"),
+    url(r'^api/v1/status/$', views.status),
 ]

hc/api/views.py

@@ -1,5 +1,6 @@
 from datetime import timedelta as td
 
+from django.db import connection
 from django.db.models import F
 from django.http import (HttpResponse, HttpResponseForbidden,
                          HttpResponseNotFound, JsonResponse)
@@ -185,3 +186,11 @@ def bounce(request, code):
     notification.save()
 
     return HttpResponse()
+
+
+def status(request):
+    with connection.cursor() as c:
+        c.execute("SELECT 1")
+        c.fetchone()
+
+    return HttpResponse("OK")