#!/usr/bin/env bash
#
# Deploy console proxy package to an existing VM template
#
#  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.


usage() {
  printf "Usage: %s: -d [work directory to deploy to] -z [zip file]" $(basename $0) >&2
}

deploydir=
zipfile=

#set -x

while getopts 'd:z:' OPTION
do
  case "$OPTION" in
  d)	deploydir="$OPTARG"
		;;
  z)    zipfile="$OPTARG"
                ;;
  ?)	usage
		exit 2
		;;
  esac
done

printf "NOTE: You must have root privileges to install and run this program.\n"

if [ "$deploydir" == "" ]; then
  printf "ERROR: Unable to find deployment work directory $deploydir\n"
  exit 3; 	 
fi
if [ ! -f $deploydir/consoleproxy.tar.gz ]
then
  printf "ERROR: Unable to find existing console proxy template file (consoleproxy.tar.gz) to work on at $deploydir\n"
  exit 5
fi

if [ "$zipfile" == "" ]; then 
    zipfile="console-proxy.zip"
fi

if ! mkdir -p /mnt/consoleproxy
then
  printf "ERROR: Unable to create /mnt/consoleproxy for mounting template image\n"
  exit 5
fi

tar xvfz $deploydir/consoleproxy.tar.gz -C $deploydir
mount -o loop $deploydir/vmi-root-fc8-x86_64-domP /mnt/consoleproxy

if ! unzip -o $zipfile -d /mnt/consoleproxy/usr/local/vmops/consoleproxy
then
  printf "ERROR: Unable to unzip $zipfile to $deploydir\n"
  exit 6
fi

umount /mnt/consoleproxy

pushd $deploydir
tar cvf consoleproxy.tar vmi-root-fc8-x86_64-domP

mv -f consoleproxy.tar.gz consoleproxy.tar.gz.old 
gzip consoleproxy.tar
popd

if [ ! -f $deploydir/consoleproxy.tar.gz ]
then
	mv consoleproxy.tar.gz.old consoleproxy.tar.gz
  	printf "ERROR: failed to deploy and recreate the template at $deploydir\n"
fi

printf "SUCCESS: Installation is now complete. please go to $deploydir to review it\n"
exit 0