generate secrets on deployment machine

test travis with sudo=true instead of required

roles/kubernetes/secrets/scripts/kube-gen-token.sh

@@ -0,0 +1,34 @@
+#!/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.
+
+token_dir=${TOKEN_DIR:-/var/srv/kubernetes}
+token_file="${token_dir}/known_tokens.csv"
+
+create_accounts=($@)
+
+if [ ! -e "${token_file}" ]; then
+  touch "${token_file}"
+fi
+
+for account in "${create_accounts[@]}"; do
+  if grep ",${account}," "${token_file}" ; then
+    continue
+  fi
+  token=$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)
+  echo "${token},${account},${account}" >> "${token_file}"
+  echo "${token}" > "${token_dir}/${account}.token"
+  echo "Added ${account}"
+done