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#!/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.
#
#
#
# Script to stop the running of a monitored broker
# and the associated monitoring processes.
#
# Looks in the specifed directory for pid files and
# stops those proceses
#
usage()
{
echo "Usage: $0 <LOG_DIR>"
}
#
# Attempt to gracefully kill processs
#
stopRun()
{
kill $PIDS
}
#
# Forcibly stop processes
#
forceStopRun()
{
kill -9 $PIDS
}
#
# Show usage if we are not started correctly
#
if [ $# != 1 ] ; then
usage
exit 1
fi
LOG_DIR=$1
PIDS=`cat $LOG_DIR/*.pid`
echo "Preparing to stop:"
#
# Escape the path so we can use sed to remove it.
#
path=`echo $LOG_DIR|sed -e s/\\\//\\\\\\\\\\\//g`
for i in `ls $LOG_DIR/*.pid` ; do
# Remove path from pid item then remove any final '/'
echo $i|cut -d '.' -f 1| sed -e s/$path// |tr '/' ' '
done
status=`ps $PIDS |wc -l`
if [ $status == 1 ] ; then
echo "Processes do not appear to be running."
echo "Have they already been stopped?"
exit 0
fi
attempts=3
while [ ! $status == 1 ] ; do
stopRun
sleep 1
status=`ps $PIDS |wc -l`
if [ $status == 1 ] ; then
echo "Done"
exit 0
else
attempts=$[ $attempts - 1 ]
if [ $attempts == 0 ] ; then
break
fi
echo "Sleeping as processes not stopped"
sleep 2
fi
done
# If we haven't been able to kill the processes then
# forcibly do it
if [ ! $status == 1 ] ; then
forceStopRun
sleep 1
status=`ps $PIDS |wc -l`
if [ $status == 1 ] ; then
echo "Done"
else
echo "Stop failed"
exit 1
fi
else
echo "Done"
fi
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