lucene/src/scripts/rsyncd-start

#!/bin/bash
#
# $Id$
# $Source: /cvs/main/searching/solr-tools/rsyncd-start.template,v $
# $Name: r20050725_standardized_server_enabled $
#
# Shell script to start rsyncd on master Solr server

export PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH

# sudo to app user if necessary
if [[ $(whoami) != app ]]
then
    sudo -u app $0 "$@"
    exit $?
fi

oldwhoami=$(who -m | cut -d' ' -f1 | sed -e's/^.*!//')

if [[ "${oldwhoami}" == "" ]]
then
    oldwhoami=`ps h -Hfp $(pgrep -g0 ${0##*/}) | tail -1|cut -f1 -d" "`
fi

prog=${0##*/}
log=logs/rsyncd.log

# define usage string
USAGE="\
usage: $prog [ -v ]
       -v          increase verbosity
"

resin_port=5051
rsyncd_port=`expr 10000 + ${resin_port}`

cd ${0%/*}/../..

unset verbose

# parse args
originalargs="$@"
while getopts v OPTION
do
    case $OPTION in
    v)
        verbose="v"
        ;;
    *)
        echo "$USAGE"
        exit 1
    esac
done
shift $(( OPTIND - 1 ))

function timeStamp
{
    date +'%Y/%m/%d %H:%M:%S'
}

function logMessage
{
    echo $(timeStamp) $@>>$log
    if [[ -n ${verbose} ]]
    then
        echo $@
    fi
}

logMessage started by $oldwhoami
logMessage command: $0 $originalargs

if [[ ! -f rsyncd-enabled ]]
then
    logMessage rsyncd disabled
    exit 1
fi

if \
    rsync rsync://localhost:${rsyncd_port} >/dev/null 2>&1
then
    logMessage "rsyncd already running at port ${rsyncd_port}"
    exit 1
fi

rsync --daemon --port=${rsyncd_port} --config=conf/rsyncd.conf

# first make sure rsyncd is accepting connections
i=1
while \
 ! rsync rsync://localhost:${rsyncd_port} >/dev/null 2>&1
do
    if (( i++ > 15 ))
    then
        logMessage "rsyncd not accepting connections, exiting" >&2
        exit 2
    fi
    sleep 1
done

logMessage rsyncd started and accepting requests