Merge pull request #636 from kubernetes-incubator/apiserver_liveness

Add missing liveness probe for apiserver static pod

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -48,7 +48,13 @@ spec:
 {% elif cloud_provider is defined and cloud_provider == "aws" %}
     - --cloud-provider={{ cloud_provider }}
 {% endif %}
-    - 2>&1 >> {{ kube_log_dir }}/kube-apiserver.log
+    livenessProbe:
+      httpGet:
+        host: 127.0.0.1
+        path: /healthz
+        port: 8080
+      initialDelaySeconds: 30
+      timeoutSeconds: 10
     volumeMounts:
     - mountPath: {{ kube_config_dir }}
       name: kubernetes-config
@@ -59,8 +65,6 @@ spec:
     - mountPath: {{ etcd_cert_dir }}
       name: etcd-certs
       readOnly: true
-    - mountPath: /var/log/
-      name: logfile
   volumes:
   - hostPath:
       path: {{ kube_config_dir }}
@@ -71,6 +75,3 @@ spec:
   - hostPath:
       path: {{ etcd_cert_dir }}
     name: etcd-certs
-  - hostPath:
-      path: /var/log/
-    name: logfile