Merge pull request #1302 from ddollar/ec2-cloudformation-update

fix(contrib/ec2): add script to update the CloudFormation

Author: Gabriel Monroy

contrib/ec2/update-ec2-cluster.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+#
+# Usage: ./provision-ec2-cluster.sh
+#
+
+set -e
+
+THIS_DIR=$(cd $(dirname $0); pwd) # absolute path
+CONTRIB_DIR=$(dirname $THIS_DIR)
+
+source $CONTRIB_DIR/utils.sh
+
+# check for EC2 API tools in $PATH
+if ! which aws > /dev/null; then
+  echo_red 'Please install the AWS command-line tool and ensure it is in your $PATH.'
+  exit 1
+fi
+
+# check that the CoreOS user-data file is valid
+$CONTRIB_DIR/util/check-user-data.sh
+
+# update the deis EC2 cloudformation
+aws cloudformation update-stack \
+    --template-body "$(./gen-json.py)" \
+    --stack-name deis \
+    --parameters "$(<cloudformation.json)"
+
+echo_green "Your Deis cluster CloudFormation has been successfully updated."