#!/bin/bash
#
# Licensed to Cloudera, Inc. under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# Cloudera, Inc. 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 stops a metastore instance.
# Usage: stop-metastore.sh -p pidfilename

prgm=$0
bin=`dirname $prgm`

while [ ! -z "$1" ]; do
  if [ "$1" == "-p" ]; then
    shift
    pidfilename=$1
    shift
  else
    echo "Unknown argument $1"
    exit 1
  fi
done

# Verify our arguments exist.

if [ -z "${pidfilename}" ]; then
  echo "Missing argument: -p pidfilename"
  exit 1
fi

# Shut down any running metastore.

if [ ! -z "$bin" ]; then
  bin="$bin/"
fi

HADOOP_ROOT_LOGGER=${HADOOP_ROOT_LOGGER:-ERROR,console} \
    "$bin/sqoop" metastore --shutdown 2>&1 >/dev/null
ret=$?
if [ "$ret" != "0" ]; then
  echo "Could not shut down metastore."
  exit $ret
fi

# Remove the pidfile lock.

if [ ! -e "$pidfilename" ]; then
  echo "No pid file $pidfilename"
  exit 0
fi

rm "$pidfilename"