我使用 GNU screen 在控制台模式下运行 Celery，但我不想在生产服务器上使用它。我想知道如何守护芹菜。
我有 celery 的 virtualenv 设置。我想%venv%/bin/celeryd在守护程序模式下运行。我试过./celeryd start并得到：
Unrecognized command line arguments: start
我还应该尝试以守护程序模式运行它吗？
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1 回答
6
试试这个/etc/init.d/celeryd脚本。
#!/bin/sh -e
### BEGIN INIT INFO
# Provides: celeryd
# Required-Start: $network $local_fs $remote_fs
# Required-Stop: $network $local_fs $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: celery task worker daemon
### END INIT INFO
# ============================================
# celeryd - Starts the Celery worker daemon.
# ============================================
#
# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
# :Configuration file: /etc/default/celeryd
#
# See http://docs.celeryproject.org/en/latest/tutorials/daemonizing.html#generic-init-scripts
# some commands work asyncronously, so we'll wait this many seconds
SLEEP_SECONDS=5
DEFAULT_PID_FILE="/var/run/celery/%n.pid"
DEFAULT_LOG_FILE="/var/log/celery/%n.log"
DEFAULT_LOG_LEVEL="INFO"
DEFAULT_NODES="celery"
DEFAULT_CELERYD="-m celery.bin.celeryd_detach"
CELERY_DEFAULTS=${CELERY_DEFAULTS:-"/etc/default/celeryd"}
test -f "$CELERY_DEFAULTS" && . "$CELERY_DEFAULTS"
# Set CELERY_CREATE_DIRS to always create log/pid dirs.
CELERY_CREATE_DIRS=${CELERY_CREATE_DIRS:-1}
CELERY_CREATE_RUNDIR=$CELERY_CREATE_DIRS
CELERY_CREATE_LOGDIR=$CELERY_CREATE_DIRS
if [ -z "$CELERYD_PID_FILE" ]; then
CELERYD_PID_FILE="$DEFAULT_PID_FILE"
CELERY_CREATE_RUNDIR=1
fi
if [ -z "$CELERYD_LOG_FILE" ]; then
CELERYD_LOG_FILE="$DEFAULT_LOG_FILE"
CELERY_CREATE_LOGDIR=1
fi
CELERYD_LOG_LEVEL=${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
CELERYD_LOG_DIR=`dirname $CELERYD_LOG_FILE`
CELERYD_PID_DIR=`dirname $CELERYD_PID_FILE`
# Extra start-stop-daemon options, like user/group.
SUDOCMD=""
if [ -n "$CELERYD_USER" ]; then
#DAEMON_OPTS="$DAEMON_OPTS --uid=$CELERYD_USER"
SUDOCMD="sudo -u $CELERYD_USER "
CELERYD_MULTI="$SUDOCMD $CELERYD_MULTI"
fi
if [ -n "$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 75 # EX_TEMPFAIL
fi
}
maybe_die() {
if [ $? -ne 0 ]; then
echo "Exiting: $* (errno $?)"
exit 77 # EX_NOPERM
fi
}
create_default_dir() {
if [ ! -d "$1" ]; then
echo "- Creating default directory: '$1'"
mkdir -p "$1"
maybe_die "Couldn't create directory $1"
echo "- Changing permissions of '$1' to 02755"
chmod 02755 "$1"
maybe_die "Couldn't change permissions for $1"
if [ -n "$CELERYD_USER" ]; then
echo "- Changing owner of '$1' to '$CELERYD_USER'"
chown "$CELERYD_USER" "$1"
maybe_die "Couldn't change owner of $1"
fi
if [ -n "$CELERYD_GROUP" ]; then
echo "- Changing group of '$1' to '$CELERYD_GROUP'"
chgrp "$CELERYD_GROUP" "$1"
maybe_die "Couldn't change group of $1"
fi
fi
}
check_paths() {
if [ $CELERY_CREATE_LOGDIR -eq 1 ]; then
create_default_dir "$CELERYD_LOG_DIR"
fi
if [ $CELERY_CREATE_RUNDIR -eq 1 ]; then
create_default_dir "$CELERYD_PID_DIR"
fi
}
create_paths() {
create_default_dir "$CELERYD_LOG_DIR"
create_default_dir "$CELERYD_PID_DIR"
}
export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
_get_pid_files() {
[ ! -d "$CELERYD_PID_DIR" ] && return
echo `ls -1 "$CELERYD_PID_DIR"/*.pid 2> /dev/null`
}
stop_workers () {
$CELERYD_MULTI stopwait $CELERYD_NODES --pidfile="$CELERYD_PID_FILE"
sleep $SLEEP_SECONDS
}
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 &
sleep $SLEEP_SECONDS
}
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 &
sleep $SLEEP_SECONDS
}
check_status () {
local pid_files=
pid_files=`_get_pid_files`
[ -z "$pid_files" ] && echo "celeryd not running (no pidfile)" && exit 1
local one_failed=
for pid_file in $pid_files; do
local node=`basename "$pid_file" .pid`
local pid=`cat "$pid_file"`
local cleaned_pid=`echo "$pid" | sed -e 's/[^0-9]//g'`
if [ -z "$pid" ] || [ "$cleaned_pid" != "$pid" ]; then
echo "bad pid file ($pid_file)"
else
local failed=
kill -0 $pid 2> /dev/null || failed=true
if [ "$failed" ]; then
echo "celeryd (node $node) (pid $pid) is stopped, but pid file exists!"
one_failed=true
else
echo "celeryd (node $node) (pid $pid) is running..."
fi
fi
done
[ "$one_failed" ] && exit 1 || exit 0
}
case "$1" in
start)
check_dev_null
check_paths
start_workers
;;
stop)
check_dev_null
check_paths
stop_workers
;;
reload|force-reload)
echo "Use restart"
;;
status)
check_status
;;
restart)
check_dev_null
check_paths
restart_workers
;;
try-restart)
check_dev_null
check_paths
restart_workers
;;
create-paths)
check_dev_null
create_paths
;;
check-paths)
check_dev_null
check_paths
;;
*)
echo "Usage: /etc/init.d/celeryd {start|stop|restart|kill|create-paths}"
exit 64 # EX_USAGE
;;
esac
exit 0
我的示例/etc/default/celeryd用于虚拟环境中的芹菜。
# Name of nodes to start
# here we have a single node
CELERYD_NODES="w1"
# or we could have three nodes:
#CELERYD_NODES="w1 w2 w3"
ENV_MY="/home/stoyanov/wsapp"
CELERYD="$ENV_MY/bin/celeryd"
CELERYD_MULTI="$ENV_MY/bin/celeryd-multi"
CELERYCTL="$ENV_MY/bin/celeryctl"
# Where to chdir at start.
CELERYD_CHDIR="$ENV_MY/wslib/"
ENV_PYTHON="$ENV_MY/bin/python"
# Extra arguments to celeryd
CELERYD_OPTS="--app=PriceProviders --loglevel=WARNING --events --autoreload"
#"--time-limit=300 --concurrency=8"
# %n will be replaced with the nodename.
CELERYD_LOG_FILE="/var/log/celery/%n.log"
CELERYD_PID_FILE="/var/run/celery/%n.pid"
CELERY_CREATE_RUNDIR=0
CELERY_CREATE_LOGDIR=0
# Workers should run as an unprivileged user.
CELERYD_USER="stoyanov"
#CELERYD_GROUP="stoyanov"
于 2013-10-03T12:19:46.007 回答