From 9f99767b6c771f0c3192d64aa5f2a4520fa410c2 Mon Sep 17 00:00:00 2001
From: Brendan Burns <bburns@google.com>
Date: Fri, 11 Jul 2014 16:45:09 -0700
Subject: [PATCH] Add a /healthz handler to the kubelet server, so that the
 master can validate kubelet health.

---
 pkg/kubelet/kubelet_server.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/kubelet/kubelet_server.go b/pkg/kubelet/kubelet_server.go
index 0e6d7cc8fb5..8b62ed4b69d 100644
--- a/pkg/kubelet/kubelet_server.go
+++ b/pkg/kubelet/kubelet_server.go
@@ -58,6 +58,10 @@ func (s *KubeletServer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 		return
 	}
 	switch {
+	case u.Path == "/healthz":
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("ok"))
+		return
 	case u.Path == "/container" || u.Path == "/containers":
 		defer req.Body.Close()
 		data, err := ioutil.ReadAll(req.Body)