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-#!/bin/bash -e
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-# ============================================
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-# celeryd - Starts the Celery worker daemon.
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-# ============================================
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-#
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-# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
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-#
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-# :Configuration file: /etc/default/celeryd
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-#
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-# To configure celeryd you probably need to tell it where to chdir.
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-#
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-# EXAMPLE CONFIGURATION
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-# =====================
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-#
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-# this is an example configuration for a Python project:
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-#
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-# /etc/default/celeryd:
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-#
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-# # Where to chdir at start.
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-# CELERYD_CHDIR="/opt/Myproject/"
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-#
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-# # Extra arguments to celeryev
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-# CELERYEV_OPTS="-x"
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-#
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-# # Name of the celery config module.#
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-# CELERY_CONFIG_MODULE="celeryconfig"
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-#
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-# # Camera class to use (required)
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-# CELERYEV_CAM = "myapp.Camera"
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-#
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-# EXAMPLE DJANGO CONFIGURATION
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-# ============================
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-#
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-# # Where the Django project is.
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-# CELERYD_CHDIR="/opt/Project/"
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-#
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-# # Name of the projects settings module.
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-# export DJANGO_SETTINGS_MODULE="MyProject.settings"
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-#
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-# # Path to celeryd
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-# CELERYEV="/opt/Project/manage.py"
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-#
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-# # Extra arguments to manage.py
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-# CELERYEV_OPTS="celeryev"
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-#
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-# # Camera class to use (required)
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-# CELERYEV_CAM = "djcelery.snapshot.Camera"
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-#
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-# AVAILABLE OPTIONS
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-# =================
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-#
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-# * CELERYEV_OPTS
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-# Additional arguments to celeryd, see `celeryd --help` for a list.
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-#
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-# * CELERYD_CHDIR
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-# Path to chdir at start. Default is to stay in the current directory.
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-#
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-# * CELERYEV_PID_FILE
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-# Full path to the pidfile. Default is /var/run/celeryd.pid.
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-#
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-# * CELERYEV_LOG_FILE
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-# Full path to the celeryd logfile. Default is /var/log/celeryd.log
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-#
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-# * CELERYEV_LOG_LEVEL
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-# Log level to use for celeryd. Default is INFO.
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-#
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-# * CELERYEV
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-# Path to the celeryev program. Default is `celeryev`.
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-# You can point this to an virtualenv, or even use manage.py for django.
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-#
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-# * CELERYEV_USER
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-# User to run celeryev as. Default is current user.
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-#
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-# * CELERYEV_GROUP
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-# Group to run celeryev as. Default is current user.
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-#
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-# * VIRTUALENV
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-# Full path to the virtualenv environment to activate. Default is none.
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-
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-### BEGIN INIT INFO
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-# Provides: celeryev
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-# Required-Start: $network $local_fs $remote_fs
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-# Required-Stop: $network $local_fs $remote_fs
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-# Default-Start: 2 3 4 5
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-# Default-Stop: 0 1 6
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-# Short-Description: celery event snapshots
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-### END INIT INFO
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-
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-set -e
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-
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-DEFAULT_PID_FILE="/var/run/celeryev.pid"
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-DEFAULT_LOG_FILE="/var/log/celeryev.log"
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-DEFAULT_LOG_LEVEL="INFO"
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-DEFAULT_CELERYEV="/usr/bin/celeryev"
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-
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-if test -f /etc/default/celeryd; then
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- . /etc/default/celeryd
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-fi
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-
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-if test -f /etc/default/celeryev; then
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- . /etc/default/celeryev
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-fi
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-
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-CELERYEV=${CELERYEV:-$DEFAULT_CELERYEV}
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-CELERYEV_PID_FILE=${CELERYEV_PID_FILE:-${CELERYEV_PIDFILE:-$DEFAULT_PID_FILE}}
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-CELERYEV_LOG_FILE=${CELERYEV_LOG_FILE:-${CELERYEV_LOGFILE:-$DEFAULT_LOG_FILE}}
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-CELERYEV_LOG_LEVEL=${CELERYEV_LOG_LEVEL:-${CELERYEV_LOG_LEVEL:-$DEFAULT_LOG_LEVEL}}
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-
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-export CELERY_LOADER
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-
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-. /lib/lsb/init-functions
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-
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-CELERYEV_OPTS="$CELERYEV_OPTS -f $CELERYEV_LOG_FILE -l $CELERYEV_LOG_LEVEL"
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-
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-if [ -z "$CELERYEV_CAM" ]; then
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- echo "Missing CELERYEV_CAM variable" 1>&2
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- exit
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-fi
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-
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-CELERYEV_OPTS="$CELERYEV_OPTS -c $CELERYEV_CAM"
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-
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-if [ -n "$2" ]; then
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- CELERYEV_OPTS="$CELERYEV_OPTS $2"
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-fi
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-
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-# Extra start-stop-daemon options, like user/group.
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-if [ -n "$CELERYEV_USER" ]; then
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- DAEMON_OPTS="$DAEMON_OPTS --chuid $CELERYEV_USER"
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-fi
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-if [ -n "$CELERYEV_GROUP" ]; then
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- DAEMON_OPTS="$DAEMON_OPTS --group $CELERYEV_GROUP"
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-fi
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-
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-if [ -n "$CELERYEV_CHDIR" ]; then
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- DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYEV_CHDIR"
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-elif [ -n "$CELERYD_CHDIR" ]; then
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- DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYD_CHDIR"
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-fi
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-
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-
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-# Are we running from init?
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-run_by_init() {
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- ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
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-}
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-
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-
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-check_dev_null() {
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- if [ ! -c /dev/null ]; then
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- if [ "$1" = log_end_msg ]; then
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- log_end_msg 1 || true
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- fi
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- if ! run_by_init; then
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- log_action_msg "/dev/null is not a character device!"
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- fi
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- exit 1
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- fi
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-}
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-
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-
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-export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
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-
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-
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-stop_evcam () {
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- cmd="start-stop-daemon --stop \
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- --quiet \
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- $* \
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- --pidfile $CELERYEV_PID_FILE"
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- if $cmd; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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-}
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-
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-start_evcam () {
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- cmd="start-stop-daemon --start $DAEMON_OPTS \
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- --quiet \
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- --oknodo \
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- --background \
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- --make-pidfile \
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- $* \
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- --pidfile $CELERYEV_PID_FILE
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- --exec $CELERYEV -- $CELERYEV_OPTS"
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- if [ -n "$VIRTUALENV" ]; then
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- source $VIRTUALENV/bin/activate
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- fi
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- if $cmd; then
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- log_end_msg 0
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- else
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- log_end_msg 1
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- fi
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-}
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-
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-
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-
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-case "$1" in
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- start)
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- check_dev_null
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- log_daemon_msg "Starting celery event snapshots" "celeryev"
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- start_evcam
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- ;;
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- stop)
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- log_daemon_msg "Stopping celery event snapshots" "celeryev"
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- stop_evcam --oknodo
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- ;;
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-
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- reload|force-reload)
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- echo "Use start+stop"
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- ;;
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-
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- restart)
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- log_daemon_msg "Restarting celery event snapshots" "celeryev"
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- stop_evcam --oknodo --retry 30
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- check_dev_null log_end_msg
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- start_evcam
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- ;;
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-
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- try-restart)
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- log_daemon_msg "Restarting celery event snapshots" "celeryev"
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- set +e
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- stop_evcam --retry 30
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- RET="$?"
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- set -e
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- case $RET in
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- 0)
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- # old daemon stopped
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- check_dev_null log_end_msg
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- start_evcam
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- ;;
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- 1)
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- # daemon not running
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- log_progress_msg "(not running)"
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- log_end_msg 0
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- ;;
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- *)
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- # failed to stop
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- log_progress_msg "(failed to stop)"
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- log_end_msg 1
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- ;;
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- esac
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- ;;
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-
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- status)
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- status_of_proc -p $CELERYEV_PID_FILE $CELERYEV celeryev && exit 0 || exit $?
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- ;;
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-
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- *)
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- log_action_msg "Usage: /etc/init.d/celeryev {start|stop|force-reload|restart|try-restart|status}"
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- exit 1
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-esac
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-
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-exit 0
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