Switch health to use a data interface

health/models_interface.py

@@ -0,0 +1,12 @@
+from abc import ABCMeta, abstractmethod
+from six import add_metaclass
+
+@add_metaclass(ABCMeta)
+class HealthCheckDataInterface(object):
+  """
+  Interface that represents all data store interactions required by health checks.
+  """
+  @abstractmethod
+  def check_health(self, app_config):
+    """ Returns True if the connection to the database is healthy and False otherwise. """
+    pass