keep kubeproxy hostname consistent with kubelet

cluster/centos/node/scripts/kubelet.sh

@@ -48,9 +48,9 @@ EOF
 
 KUBE_PROXY_OPTS="   \${KUBE_LOGTOSTDERR}     \\
                     \${KUBE_LOG_LEVEL}       \\
-                    \${NODE_ADDRESS}       \\
-                    \${NODE_PORT}          \\
-                    \${NODE_HOSTNAME}      \\
+                    \${NODE_ADDRESS}         \\
+                    \${NODE_PORT}            \\
+                    \${NODE_HOSTNAME}        \\
                     \${KUBELET_API_SERVER}   \\
                     \${KUBE_ALLOW_PRIV}      \\
                     \${KUBELET_ARGS}"

cluster/centos/node/scripts/proxy.sh

@@ -16,6 +16,7 @@
 
 
 MASTER_ADDRESS=${1:-"8.8.8.18"}
+NODE_ADDRESS=${2:-"8.8.8.20"}
 
 cat <<EOF >/opt/kubernetes/cfg/kube-proxy
 # --logtostderr=true: log to standard error instead of files
@@ -24,12 +25,16 @@ KUBE_LOGTOSTDERR="--logtostderr=true"
 #  --v=0: log level for V logs
 KUBE_LOG_LEVEL="--v=4"
 
+# --hostname-override="": If non-empty, will use this string as identification instead of the actual hostname.
+NODE_HOSTNAME="--hostname-override=${NODE_ADDRESS}"
+
 # --master="": The address of the Kubernetes API server (overrides any value in kubeconfig)
 KUBE_MASTER="--master=http://${MASTER_ADDRESS}:8080"
 EOF
 
 KUBE_PROXY_OPTS="   \${KUBE_LOGTOSTDERR} \\
                     \${KUBE_LOG_LEVEL}   \\
+                    \${NODE_HOSTNAME}    \\
                     \${KUBE_MASTER}"
 
 cat <<EOF >/usr/lib/systemd/system/kube-proxy.service