#!/usr/bin/env bash
#
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# * 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
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# * distributed under the License is distributed on an "AS IS" BASIS,
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# Modelled after $HADOOP_HOME/bin/stop-hbase.sh.

# Stop hadoop hbase daemons.  Run this on master node.

usage="Usage: stop-hbase.sh can only be used for shutting down entire cluster\
 to shut down (HMaster|HRegionServer) use hbase-daemon.sh stop (master|regionserver)"

bin=`dirname "${BASH_SOURCE-$0}"`
bin=`cd "$bin">/dev/null; pwd`

. "$bin"/hbase-config.sh
. "$bin"/hbase-common.sh

show_usage() {
  echo "$usage"
}

if [ "--help" = "$1" ] || [ "-h" = "$1" ]; then
  show_usage
  exit 0
fi

# variables needed for stop command
if [ "$HBASE_LOG_DIR" = "" ]; then
  export HBASE_LOG_DIR="$HBASE_HOME/logs"
fi
mkdir -p "$HBASE_LOG_DIR"

if [ "$HBASE_IDENT_STRING" = "" ]; then
  export HBASE_IDENT_STRING="$USER"
fi

export HBASE_LOG_PREFIX=hbase-$HBASE_IDENT_STRING-master-$HOSTNAME
export HBASE_LOGFILE=$HBASE_LOG_PREFIX.log
logout=$HBASE_LOG_DIR/$HBASE_LOG_PREFIX.out  
loglog="${HBASE_LOG_DIR}/${HBASE_LOGFILE}"
pid=${HBASE_PID_DIR:-/tmp}/hbase-$HBASE_IDENT_STRING-master.pid

if [[ -e $pid ]]; then
  echo -n stopping hbase
  echo "`date` Stopping hbase (via master)" >> $loglog

  nohup nice -n ${HBASE_NICENESS:-0} "$HBASE_HOME"/bin/hbase \
     --config "${HBASE_CONF_DIR}" \
     master stop --shutDownCluster "$@" > "$logout" 2>&1 < /dev/null &

  waitForProcessEnd `cat $pid` 'stop-master-command'

  rm -f $pid
else
  echo no hbase master found
fi

# distributed == false means that the HMaster will kill ZK when it exits
# HBASE-6504 - only take the first line of the output in case verbose gc is on
distMode=`$bin/hbase --config "$HBASE_CONF_DIR" org.apache.hadoop.hbase.util.HBaseConfTool hbase.cluster.distributed | head -n 1`
if [ "$distMode" == 'true' ] 
then
  "$bin"/hbase-daemons.sh --config "${HBASE_CONF_DIR}" stop zookeeper
fi
