CentOS用Sentinel起動スクリプト

etc_initd_sentinel.sh

#!/bin/sh
#
# sentinel - this script starts and stops the sentinel daemon
#
# chkconfig:   - 86 14
# description:  Redis Sentinel is monitor and aut-failover for redis.
# processname: redis-sentinel
# config:      /etc/redis/sentinel.conf
# config:      /etc/sysconfig/redis-sentinel
# pidfile:     /var/run/redis-sentinel.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0

redis="/usr/local/bin/redis-sentinel"
prog=$(basename $redis)

REDIS_CONF_FILE="/etc/redis/sentinel.conf"

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

lockfile=/var/lock/subsys/redis-sentinel

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

stop() {
    echo -n $"Stopping $prog: "
    killproc $prog -TERM
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {
    stop
    sleep 1
    start
}

rh_status() {
    status $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}

case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    status)
        rh_status
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart}"
        exit 2
esac