Working with 3 auto-scale groups

scripts/gen-cluster-hosts.sh

@@ -19,8 +19,7 @@
 # If no stack is given, we try to figure out out from tags of this
 # instance.
 #
-# The assumption is that the Cloudformation Stack deploys 1 or more
-# autoscaling groups.
+# The assumption is that the Cloudformation Stack deploys 2 autoscaling groups.
 #	MessageRouter	(/tmp/routers)
 #	MonitorNodes	(/tmp/monitors)
 #

scripts/install-ansible.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
+if [ ! -f /usr/bin/wget ] ; then
+   [ `which yum` ] && yum install -y wget
+   [ `which apt-get` ] && apt-get -y install wget
+fi
+
+if [ ! -f /usr/local/bin/ansible ] ; then
+   pip install ansible
+fi