From d69e8135f4ce13350ecefac51a09efdd6602c690 Mon Sep 17 00:00:00 2001
From: Cameron Alexander <emptyflash@gmail.com>
Date: Mon, 14 Nov 2016 15:38:49 -0600
Subject: [PATCH] Add marathon health check for /heimdall-health-check

---
 lib/router.ex | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/router.ex b/lib/router.ex
index febee33..5c87c0d 100644
--- a/lib/router.ex
+++ b/lib/router.ex
@@ -1,6 +1,6 @@
 defmodule Heimdall.Router do
   @moduledoc """
-  The applications router plug. 
+  The applications router plug.
 
   Forwards Marathon callback events coming in from /marathon-callback
   to `Heimdall.Marathon.BingeWatch` which will update the dynamic routes.
@@ -11,6 +11,7 @@ defmodule Heimdall.Router do
   use Plug.Router
   alias Heimdall.Marathon.BingeWatch
   alias Heimdall.DynamicRoutes
+  import Rackla
 
   plug :match
   plug :dispatch
@@ -18,6 +19,12 @@ defmodule Heimdall.Router do
 
   forward "/marathon-callback", to: BingeWatch
 
+  get "/heimdall-health-check" do
+    Application.fetch_env!(:heimdall, :marathon_url) <> "/ping"
+    |> request
+    |> response
+  end
+
   forward "/", to: DynamicRoutes, tab: :heimdall_routes
 
 end