#!/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.
#
# Shell script to stop rsyncd on master Solr server

orig_dir=$(pwd)
cd ${0%/*}/..
solr_root=$(pwd)
cd ${orig_dir}

unset user verbose debug
. ${solr_root}/bin/scripts-util

# set up variables
prog=${0##*/}
log=${solr_root}/logs/rsyncd.log

# define usage string
USAGE="\
usage: $prog [-u username] [-v] [-V]
       -u          specify user to sudo to before running script
       -v          increase verbosity
       -V          output debugging info
"

# parse args
while getopts u:vV OPTION
do
    case $OPTION in
    u)
        user="$OPTARG"
        ;;
    v)
        verbose="v"
        ;;
    V)
        debug="V"
        ;;
    *)
        echo "$USAGE"
        exit 1
    esac
done

[[ -n $debug ]] && set -x

fixUser "$@"

logMessage stopped by $oldwhoami
logMessage command: $0 $@

# look for pid file
if [[ ! -f ${solr_root}/logs/rsyncd.pid ]]
then
    logMessage "missing rsyncd pid file ${solr_root}/logs/rsyncd.pid"
    exit 2
fi

# get PID from file
pid=$(<${solr_root}/logs/rsyncd.pid)
if [[ -z $pid ]]
then
    logMessage "unable to get rsyncd's PID"
    exit 2
fi

kill $pid

# wait until rsyncd dies or we time out
dead=0
timer=0
timeout=300
while (( ! dead && timer < timeout ))
do
    if ps -eo pid | grep -qw $pid
    then
	kill $pid
        (( timer++ ))
        sleep 1
    else
        dead=1
    fi
done
if ps -eo pid | grep -qw $pid
then
    logMessage rsyncd failed to stop after $timeout seconds
    exit 3
fi

# remove rsyncd.conf
/bin/rm -f ${solr_root}/conf/rsyncd.conf