File: redict_init_script

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#!/bin/sh
#
# SPDX-FileCopyrightText: 2024 Redict Contributors
#
# SPDX-License-Identifier: LGPL-3.0-only
#
# Simple Redict init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.

### BEGIN INIT INFO
# Provides:     redict_6379
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Redict data structure server
# Description:          Redict data structure server. See https://redict.io
### END INIT INFO

REDICTPORT=6379
EXEC=/usr/local/bin/redict-server
CLIEXEC=/usr/local/bin/redict-cli

PIDFILE=/var/run/redict_${REDICTPORT}.pid
CONF="/etc/redict/${REDICTPORT}.conf"

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
                echo "$PIDFILE exists, process is already running or crashed"
        else
                echo "Starting Redict 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 $REDICTPORT shutdown
                while [ -x /proc/${PID} ]
                do
                    echo "Waiting for Redict to shutdown ..."
                    sleep 1
                done
                echo "Redict stopped"
        fi
        ;;
    *)
        echo "Please use start or stop as first argument"
        ;;
esac