cluster/gce/coreos: Add scripts for configuring the master/node.

cluster/gce/coreos/configure-kubelet.sh

+#!/bin/bash
+
+# Copyright 2015 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+MANIFESTS_DIR=/opt/kube-manifests/kubernetes
+
+echo "Configuring hostname"
+hostnamectl set-hostname $(hostname | cut -f1 -d.)
+
+echo "Configuring kubelet"
+mkdir -p /var/lib/kubelet
+mkdir -p /etc/kubernetes/manifests
+src=${MANIFESTS_DIR}/kubelet-config.yaml
+dst=/var/lib/kubelet/kubeconfig
+cp ${src} ${dst}
+sed -i 's/\"/\\\"/g' ${dst} # eval will remove the double quotes if they are not escaped
+eval "echo \"$(< ${dst})\"" > ${dst}