remove the dependency on brctl, update default config and rephrase minion to node

cluster/centos/node/scripts/proxy.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Copyright 2014 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+MASTER_ADDRESS=${1:-"8.8.8.18"}
+
+cat <<EOF >/opt/kubernetes/cfg/kube-proxy
+# --logtostderr=true: log to standard error instead of files
+KUBE_LOGTOSTDERR="--logtostderr=true"
+
+#  --v=0: log level for V logs
+KUBE_LOG_LEVEL="--v=4"
+
+# --master="": The address of the Kubernetes API server (overrides any value in kubeconfig)
+KUBE_MASTER="--master=http://${MASTER_ADDRESS}:8080"
+EOF
+
+KUBE_PROXY_OPTS="   \${KUBE_LOGTOSTDERR} \\
+                    \${KUBE_LOG_LEVEL}   \\
+                    \${KUBE_MASTER}"
+
+cat <<EOF >/usr/lib/systemd/system/kube-proxy.service
+[Unit]
+Description=Kubernetes Proxy
+After=network.target
+
+[Service]
+EnvironmentFile=-/opt/kubernetes/cfg/kube-proxy
+ExecStart=/opt/kubernetes/bin/kube-proxy ${KUBE_PROXY_OPTS}
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+systemctl enable kube-proxy
+systemctl start kube-proxy