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#!/bin/sh

### BEGIN INIT INFO
# Provides:          redis-server
# Required-Start:    $syslog
# Required-Stop:     $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start redis-server at boot time
# Description:       Control redis-server.
### END INIT INFO

REDISPORT={{ PORT }}
PIDFILE=/var/run/{{ PROCESS_NAME }}.pid
CONF=/var/lib/redis/conf/{{ PROCESS_NAME }}.conf

EXEC=/var/lib/redis/bin/redis-server
CLIEXEC=/var/lib/redis/bin/redis-cli

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
                echo "$PIDFILE exists, process is already running or crashed"
        else
                echo "Starting Redis server..."
                $EXEC $CONF
        fi
        ;;
    stop)
        if [ ! -f $PIDFILE ]
        then
                echo "$PIDFILE does not exist, process is not running"
        else
                PID=$(cat $PIDFILE)
                echo "Stopping ..."
                $CLIEXEC -p $REDISPORT shutdown
                while [ -x /proc/${PID} ]
                do
                    echo "Waiting for Redis to shutdown ..."
                    sleep 1
                done
                echo "Redis stopped"
        fi
        ;;
    *)
        echo "Please use start or stop as first argument"
        ;;
esac