redis_sentinel.init.j2

#!/bin/sh
#
# Redis Sentinel init script for RHEL-based distros
#
# chkconfig: - 58 74
# description: Redis Sentinel monitor
#
# Source function library
. /etc/init.d/functions

SENTINEL_PORT={{ redis_sentinel_port }}
NAME="sentinel_${SENTINEL_PORT}"

if [ -r /etc/sysconfig/sentinel_${SENTINEL_PORT} ]; then
    . /etc/sysconfig/sentinel_${SENTINEL_PORT}
fi

REDIS_USER={{ redis_user }}
BIND_ADDRESS={{ redis_sentinel_bind }}
PIDFILE={{ redis_sentinel_pidfile }}
CONF="/etc/redis/sentinel_${SENTINEL_PORT}.conf"
EXEC={{ redis_install_dir }}/bin/redis-server
CLIEXEC="{{ redis_install_dir }}/bin/redis-cli -p ${SENTINEL_PORT}"

if [ -n "$REDIS_PASSWORD" ]; then
    CLIEXEC="${CLIEXEC} -a ${REDIS_PASSWORD}"
fi

if [ -n "$BIND_ADDRESS" ]; then
    CLIEXEC="${CLIEXEC} -h ${BIND_ADDRESS}"
fi

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
                echo "$PIDFILE exists, process is already running or crashed"
        else
                if [ -n "$NOFILE_LIMIT" ]; then
                    ulimit -n $NOFILE_LIMIT
                fi
                echo "Starting Redis Sentinel..."
                daemon --user $REDIS_USER $EXEC $CONF --sentinel
        fi
        ;;
    stop)
        if [ ! -f $PIDFILE ]
        then
                echo "$PIDFILE does not exist, process is not running"
        else
                PID=$(cat $PIDFILE)
                echo "Stopping ..."
                $CLIEXEC shutdown
                while [ -x /proc/${PID} ]
                do
                    echo "Waiting for Redis Sentinel to shutdown ..."
                    sleep 1
                done
                echo "Redis stopped"
        fi
        ;;
    status)
        status -p "${PIDFILE}" "sentinel_${SENTINEL_PORT}"
        ;;
    restart|force-reload)
        ${0} stop
        ${0} start
        ;;
    *)
        echo "Usage: /etc/init.d/$NAME {start|stop|status|restart|force-reload}" >&2
        exit 1
        ;;
esac

exit 0