From 750d7caf304d96555444d151c25d0db10efd4c6e Mon Sep 17 00:00:00 2001
From: Michelle Noorali <michellemolu@gmail.com>
Date: Mon, 1 Feb 2016 06:44:42 -0500
Subject: [PATCH] add health check to resourcifier

---
 install.yaml         |  7 +++++++
 resourcifier/main.go | 11 ++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/install.yaml b/install.yaml
index 626624e74..3d8dc042a 100644
--- a/install.yaml
+++ b/install.yaml
@@ -103,6 +103,13 @@ spec:
       containers:
       - env: []
         image: gcr.io/dm-k8s-testing/resourcifier:latest
+        imagePullPolicy: Always
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 8080
+          initialDelaySeconds: 30
+          timeoutSeconds: 1
         name: resourcifier
         ports:
         - containerPort: 8080
diff --git a/resourcifier/main.go b/resourcifier/main.go
index d00f5a70f..c43b92b04 100644
--- a/resourcifier/main.go
+++ b/resourcifier/main.go
@@ -17,6 +17,7 @@ limitations under the License.
 package main
 
 import (
+	"github.com/kubernetes/deployment-manager/util"
 	"github.com/kubernetes/deployment-manager/version"
 
 	"flag"
@@ -38,7 +39,9 @@ type Route struct {
 	Type        string
 }
 
-var routes = []Route{}
+var routes = []Route{
+	{"HealthCheck", "/healthz", "GET", healthCheckHandlerFunc, ""},
+}
 
 // port to listen on
 var port = flag.Int("port", 8080, "The port to listen on")
@@ -74,3 +77,9 @@ func main() {
 	log.Printf("Listening on port %d...", *port)
 	log.Fatal(http.ListenAndServe(address, handler))
 }
+
+func healthCheckHandlerFunc(w http.ResponseWriter, r *http.Request) {
+	handler := "manager: get health"
+	util.LogHandlerEntry(handler, r)
+	util.LogHandlerExitWithText(handler, w, "OK", http.StatusOK)
+}