regluit/deploy/celeryd

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#!/bin/bash
# ============================================
# celeryd - Starts the Celery worker daemon.
# ============================================
#
# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
#
# :Configuration file: /etc/default/celeryd
#
# To configure celeryd you probably need to tell it where to chdir.
#
# EXAMPLE CONFIGURATION
# =====================
#
# this is an example configuration for a Python project:
#
# /etc/default/celeryd:
#
# # List of nodes to start
# CELERYD_NODES="worker1 worker2 worker3"k
# # ... can also be a number of workers
# CELERYD_NODES=3
#
# # Where to chdir at start.
# CELERYD_CHDIR="/opt/Myproject/"
#
# # Extra arguments to celeryd
# CELERYD_OPTS="--time-limit=300"
#
# # Name of the celery config module.#
# CELERY_CONFIG_MODULE="celeryconfig"
#
# EXAMPLE DJANGO CONFIGURATION
# ============================
#
# # Where the Django project is.
# CELERYD_CHDIR="/opt/Project/"
#
# # Name of the projects settings module.
# export DJANGO_SETTINGS_MODULE="settings"
#
# # Path to celeryd
# CELERYD="/opt/Project/manage.py celeryd"
#
# AVAILABLE OPTIONS
# =================
#
# * CELERYD_NODES
#
# A space separated list of nodes, or a number describing the number of
# nodes, to start
#
# * CELERYD_OPTS
# Additional arguments to celeryd-multi, see `celeryd-multi --help`
# and `celeryd --help` for help.
#
# * CELERYD_CHDIR
# Path to chdir at start. Default is to stay in the current directory.
#
# * CELERYD_PIDFILE
# Full path to the pidfile. Default is /var/run/celeryd.pid.
#
# * CELERYD_LOGFILE
# Full path to the celeryd logfile. Default is /var/log/celeryd.log
#
# * CELERYD_LOG_LEVEL
# Log level to use for celeryd. Default is INFO.
#
# * CELERYD
# Path to the celeryd program. Default is `celeryd`.
# You can point this to an virtualenv, or even use manage.py for django.
#
# * CELERYD_USER
# User to run celeryd as. Default is current user.
#
# * CELERYD_GROUP
# Group to run celeryd as. Default is current user.
# VARIABLE EXPANSION
# ==================
#
# The following abbreviations will be expanded
#
# * %n -> node name
# * %h -> host name
### 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
if [ -f $VIRTUALENV_ACTIVATE ]; then
echo "activating virtualenv $VIRTUALENV_ACTIVATE"
source "$VIRTUALENV_ACTIVATE"
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}
CELERYD_NODES=${CELERYD_NODES:-$DEFAULT_NODES}
export CELERY_LOADER
if [ -n "$2" ]; then
CELERYD_OPTS="$CELERYD_OPTS $2"
fi
# Extra start-stop-daemon options, like user/group.
if [ -n "$CELERYD_USER" ]; then
DAEMON_OPTS="$DAEMON_OPTS --uid=$CELERYD_USER"
fi
if [ -n "$CELERYD_GROUP" ]; then
DAEMON_OPTS="$DAEMON_OPTS --gid=$CELERYD_GROUP"
fi
if [ -n "$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
;;
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