redis.sh

#!/bin/sh

# System startup script for Redis for OpenSUSE >= 11.4
#
# Author: Marcello Barnaba <m.barnaba@ifad.org>
# Tue Jul 31 17:32:27 CEST 2012
#
# LSB-compatible service control script; see http://www.linuxbase.org/spec/
# Install it in /etc/init.d/redis and run insserv /etc/init.d/redis
# Define configurations in /etc/init.d/redis/NAME.conf
#
# Source: https://gist.github.com/804026
#
### BEGIN INIT INFO
# Provides:          redis
# Required-Start:    $syslog $remote_fs 
# Required-Stop:     $syslog $remote_fs
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: Redis server
# Description:       Starts and stops the configured Redis instances
### END INIT INFO

EXEC=/usr/local/sbin/redis-server
USER=redis
STATE=/var/run/redis
CONF=/etc/redis

. /etc/rc.status

if [ ! -d $STATE ]; then
  install -d $state -o $USER -g $USER -m 0755 $STATE
fi

_get_env() {
    INSTANCE=$1
    PIDFILE=${STATE}/${INSTANCE}.pid
    CONFIG=${CONF}/${INSTANCE}.conf
}

_foreach_config() {
    command=$1

    if [ -n "$2" ]; then
        $command $2
    else
        for file in /etc/redis/*.conf; do
            $command `basename $file | sed 's#\.conf##'` # dirty
        done
    fi
}

start() {
    _get_env $1

    echo -n "Starting Redis server '${INSTANCE}'... "

    if [ ! -f ${CONFIG} ]; then
        echo "$CONFIG not found"
        rc_failed

    elif [ -f ${PIDFILE} ] && [ -x /proc/`cat ${PIDFILE}` ]; then
        echo -n "already running (PID `cat ${PIDFILE}`)"

    else
        rm -f ${PIDFILE}
        sudo -u $USER $EXEC $CONFIG
    fi
    rc_status -v
}

stop() {
    _get_env $1

    echo -n "Stopping Redis server '${INSTANCE}' ... "

    if [ ! -f $PIDFILE ]; then
        echo -n "not running"
    else
        PID=`cat $PIDFILE`
        CMD="SHUTDOWN\r\n"
        PASS=`grep ^requirepass $CONFIG | awk '{print $2}'`
        PORT=`grep ^port $CONFIG | awk '{print $2}'`

        [ -n "$PASS" ] && CMD="AUTH $PASS\r\n$CMD"

        echo -ne $CMD | netcat localhost $PORT &
        echo -n "Waiting... "

        while [ -x /proc/${PID} ]; do
            sleep 1
            echo -n '.'
        done
	rm -f ${PIDFILE}
    fi
    rc_status -v
}

status() {
    _get_env $1

    echo -n "Checking for redis '${INSTANCE}'"
    /sbin/checkproc -p $PIDFILE $EXEC
    rc_status -v
}


case "$1" in
    start)
        _foreach_config start $2
    ;;

    stop)
        _foreach_config stop $2
    ;;

    status)
        _foreach_config status $2
    ;;

    restart)
        $0 stop  $2
        $0 start $2
    ;;

    *)
        echo "Usage: $0 <start|stop|restart|status>"
        exit 1
    ;;
esac