#!/usr/bin/env 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.

# This script is a convenience wrapper for use to avoid problems on Centos 6
# Upstart is too old on CentOS 6, at least v1.4 required to use setuid, setgid.
# This script does the setuid and handles termination via signals.

trap terminate_all SIGTERM
trap kill_all SIGKILL

function terminate_all () {
  pkill -SIGTERM -g ${PGROUP}
  kill -s SIGTERM ${KARAF}
}
function kill_all () {
  pkill -SIGKILL -g ${PGROUP}
  kill -s SIGKILL ${KARAF}
}

su -c "/opt/brooklyn/bin/karaf server  >> /dev/null 2>&1" brooklyn & KARAF=$!
sleep 1 # gives time for process structure to be established
PGROUP=$(pgrep -P $KARAF)
wait