A generic Centos init script for redis

redis

#!/bin/sh
#
# redis - this script starts and stops the redis-server daemon
#
# chkconfig:   - 85 15
# description:  Redis is a persistent key-value database
# processname: redis
# config:      /etc/redis/redis.conf
# config:      /etc/sysconfig/redis
# pidfile:     /var/run/redis/redis.pid

# This init script assumes daemonize is set to yes in the redis config

redis="/usr/bin/redis-server"
prog=$(basename $redis)
PID_FILE="/var/run/redis/redis.pid"

REDIS_CONF_FILE="/etc/redis.conf"

[ -f /etc/sysconfig/redis ] && . /etc/sysconfig/redis

lockfile=/var/lock/subsys/redis

start() {
    [ -x $redis ] || exit 5
    [ -f $REDIS_CONF_FILE ] || (echo "Missing config file at $REDIS_CONF_FILE" && exit 6)
    echo "Starting $prog: with config $REDIS_CONF_FILE"
    $redis $REDIS_CONF_FILE
    retval=$?
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    kill -s QUIT $(cat $PID_FILE)
    retval=$?
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

status_q() {
    [ -f $PID_FILE ] || return 1
    kill -s 0 $(cat $PID_FILE)
    return $?
}

restart() {
    stop
    echo
    start
}

case "$1" in
    start)
        status_q && exit 0
        $1
        ;;
    stop)
        status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    status)
        status_q && echo "Redis is running with PID $(cat $PID_FILE)" && exit 0
        echo "Redis is not running"
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart}"
        exit 2
esac