Firewall on Demand

#!/bin/sh -e

# ============================================

#  celeryd - Starts the Celery worker daemon.

# ============================================

#

# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}

# :Configuration file: /etc/default/celeryd

#

# See http://docs.celeryq.org/en/latest/cookbook/daemonizing.html#init-script-celeryd

### BEGIN INIT INFO

# Provides:          celeryd

# Required-Start:    $network $local_fs $remote_fs

# Required-Stop:     $network $local_fs $remote_fs

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: celery task worker daemon

### END INIT INFO

#set -e

DEFAULT_PID_FILE="/var/run/celeryd@%n.pid"

DEFAULT_LOG_FILE="/var/log/celeryd@%n.log"

DEFAULT_LOG_LEVEL="INFO"

DEFAULT_NODES="celery"

DEFAULT_CELERYD="-m celery.bin.celeryd_detach"

# /etc/init.d/celeryd: start and stop the celery task worker daemon.

CELERY_DEFAULTS=${CELERY_DEFAULTS:-"/etc/default/celeryd"}

test -f "$CELERY_DEFAULTS" && . "$CELERY_DEFAULTS"

if [ -f "/etc/default/celeryd" ]; then

    . /etc/default/celeryd

fi

CELERYD_PID_FILE=${CELERYD_PID_FILE:-${CELERYD_PIDFILE:-$DEFAULT_PID_FILE}}

CELERYD_LOG_FILE=${CELERYD_LOG_FILE:-${CELERYD_LOGFILE:-$DEFAULT_LOG_FILE}}

CELERYD_LOG_LEVEL=${CELERYD_LOG_LEVEL:-${CELERYD_LOGLEVEL:-$DEFAULT_LOG_LEVEL}}

CELERYD_MULTI=${CELERYD_MULTI:-"celeryd-multi"}

CELERYD=${CELERYD:-$DEFAULT_CELERYD}

CELERYCTL=${CELERYCTL:="celeryctl"}

CELERYD_NODES=${CELERYD_NODES:-$DEFAULT_NODES}

export CELERY_LOADER

if [ -n "$2" ]; then

    CELERYD_OPTS="$CELERYD_OPTS $2"

fi

CELERYD_LOG_DIR=`dirname $CELERYD_LOG_FILE`

CELERYD_PID_DIR=`dirname $CELERYD_PID_FILE`

if [ ! -d "$CELERYD_LOG_DIR" ]; then

    mkdir -p $CELERYD_LOG_DIR

fi

if [ ! -d "$CELERYD_PID_DIR" ]; then

    mkdir -p $CELERYD_PID_DIR

fi

# Extra start-stop-daemon options, like user/group.

if [ -n "$CELERYD_USER" ]; then

    DAEMON_OPTS="$DAEMON_OPTS --uid=$CELERYD_USER"

    chown "$CELERYD_USER" $CELERYD_LOG_DIR $CELERYD_PID_DIR

fi

if [ -n "$CELERYD_GROUP" ]; then

    DAEMON_OPTS="$DAEMON_OPTS --gid=$CELERYD_GROUP"

    chgrp "$CELERYD_GROUP" $CELERYD_LOG_DIR $CELERYD_PID_DIR

fi

if [ -n "$CELERYD_CHDIR" ]; then

    DAEMON_OPTS="$DAEMON_OPTS --workdir=\"$CELERYD_CHDIR\""

fi

check_dev_null() {

    if [ ! -c /dev/null ]; then

        echo "/dev/null is not a character device!"

        exit 1

    fi

}

export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"

stop_workers () {

    $CELERYD_MULTI stop $CELERYD_NODES --pidfile="$CELERYD_PID_FILE"

}

start_workers () {

    $CELERYD_MULTI start $CELERYD_NODES $DAEMON_OPTS        \

                         --pidfile="$CELERYD_PID_FILE"      \

                         --logfile="$CELERYD_LOG_FILE"      \

                         --loglevel="$CELERYD_LOG_LEVEL"    \

                         --cmd="$CELERYD"                   \

                         $CELERYD_OPTS

}

restart_workers () {

    $CELERYD_MULTI restart $CELERYD_NODES $DAEMON_OPTS      \

                           --pidfile="$CELERYD_PID_FILE"    \

                           --logfile="$CELERYD_LOG_FILE"    \

                           --loglevel="$CELERYD_LOG_LEVEL"  \

                           --cmd="$CELERYD"                 \

                           $CELERYD_OPTS

}

case "$1" in

    start)

        check_dev_null

        start_workers

    ;;

    stop)

        check_dev_null

        stop_workers

    ;;

    reload|force-reload)

        echo "Use restart"

    ;;

    status)

        $CELERYCTL status $CELERYCTL_OPTS

    ;;

    restart)

        check_dev_null

        restart_workers

    ;;

    try-restart)

        check_dev_null

        restart_workers

    ;;

    *)

        echo "Usage: /etc/init.d/celeryd {start|stop|restart|try-restart|kill}"

        exit 1

    ;;

esac

exit 0