initd-script

#!/bin/sh
dir="/opt/sparqlverse"
startcmd="$dir/start.sh"
stopcmd="$dir/stop.sh"
process="sbx_go"

name=`basename $0`
pid_file="$dir/logs/$name.pid"
stdout_log="$dir/logs/$name.log"
stderr_log="$dir/logs/$name.err"

is_started() {
    pgrep "$process" > /dev/null 2>&1
}

get_pid() {
    cat "$pid_file"
}

is_running() {
    [ -f "$pid_file" ] && ps `get_pid` > /dev/null 2>&1
}

case "$1" in
    start)
    if is_running; then
        echo "Already started"
    else
        echo "Starting $name"
        cd "$dir"
        if [ -z "$user" ]; then
            $startcmd >> "$stdout_log" 2>> "$stderr_log" &
        else
            sudo -u "$user" $startcmd >> "$stdout_log" 2>> "$stderr_log" &
        fi

        for i in {1..10}
        do
            if is_started; then
                break
            fi
            echo -n "."
            sleep 1
        done
        echo

        pgrep "$process" > "$pid_file"
        if ! is_running; then
            echo "Unable to start, see $stdout_log and $stderr_log"
            exit 1
        fi
    fi
    ;;
    stop)
    if is_running; then
        echo -n "Stopping $name.."
        if [ -z "$stopcmd" ]; then
            kill `get_pid`
        else
            if [ -z "$user" ]; then
                $stopcmd >> "$stdout_log" 2>> "$stderr_log" &
            else
                sudo -u "$user" $stopcmd >> "$stdout_log" 2>> "$stderr_log" &
            fi
        fi

        for i in {1..10}
        do
            if ! is_running; then
                break
            fi

            echo -n "."
            sleep 1
        done
        echo

        if is_running; then
            echo "Not stopped; may still be shutting down or shutdown may have failed"
            exit 1
        else
            echo "Stopped"
            if [ -f "$pid_file" ]; then
                rm "$pid_file"
            fi
        fi
    else
        echo "Not running"
    fi
    ;;
    restart)
    $0 stop
    if is_running; then
        echo "Unable to stop, will not attempt to start"
        exit 1
    fi
    $0 start
    ;;
    status)
    if is_running; then
        echo "Running"
    else
        echo "Stopped"
        exit 1
    fi
    ;;
    *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
esac
exit 0