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#!/sbin/openrc-run
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the BSD license
extra_started_commands="reload"
depend() {
need net
use rabbitmq redis logger dns
}
CELERYD_ENABLED=${CELERYD_ENABLED:-"no"}
CELERYD_PID_FILE=${CELERYD_PID_FILE:-"/run/celery/celeryd@%n.pid"}
CELERYD_LOG_FILE=${CELERYD_LOG_FILE:-"/var/log/celery/celeryd@%n.log"}
CELERYD_LOG_LEVEL=${CELERYD_LOG_LEVEL:-"INFO"}
CELERYD_NODES=${CELERYD_NODES:-"celery"}
CELERYBEAT_ENABLED=${CELERYBEAT_ENABLED:-"no"}
CELERYBEAT_PID_FILE=${CELERYBEAT_PID_FILE:-"/run/celery/celerybeat.pid"}
CELERYBEAT_LOG_FILE=${CELERYBEAT_LOG_FILE:-"/var/log/celery/celerybeat.log"}
CELERYBEAT_LOG_LEVEL=${CELERYBEAT_LOG_LEVEL:-"INFO"}
export CELERY_LOADER
CELERYD_MULTI=${CELERYD_MULTI:-"celery multi"}
CELERYCTL=${CELERYCTL:-"celery"}
CELERYBEAT=${CELERYBEAT:-"celery beat"}
CELERYD_OPTS="${CELERYD_OPTS}"
CELERYBEAT_OPTS="${CELERYBEAT_OPTS} -f ${CELERYBEAT_LOG_FILE} -l ${CELERYBEAT_LOG_LEVEL}"
create_dirs() {
local logfile="${1}"
local pidfile="${2}"
local logdir=$(dirname ${logfile})
local piddir=$(dirname ${pidfile})
checkpath -d -q -m 0750 -o ${CELERY_USER:-"root"}:${CELERY_GROUP:-"root"} ${logdir} ${piddir}
}
[ -n "${CELERY_USER}" ] && DAEMON_OPTS="${DAEMON_OPTS} --uid=${CELERY_USER}"
[ -n "${CELERY_GROUP}" ] && DAEMON_OPTS="${DAEMON_OPTS} --gid=${CELERY_GROUP}"
checkconfig() {
if [ ! -c /dev/null ]; then
eerror "/dev/null is not a character device!"
return 1
fi
if [ -z "${CELERY_PROJDIR}" ]; then
eerror "Missing CELERY_PROJDIR variable"
return 1
fi
yesno "${CELERYD_ENABLED}" && \
create_dirs "${CELERYD_LOG_FILE}" "${CELERYD_PID_FILE}"
yesno "${CELERYBEAT_ENABLED}" && \
create_dirs "${CELERYBEAT_LOG_FILE}" "${CELERYBEAT_PID_FILE}"
return 0
}
celery_chdir() {
[ -n "${CELERY_PROJDIR}" ] && cd "${CELERY_PROJDIR}"
}
wait_pid () {
local pidfile=${1}
local timeout=${STOPTIMEOUT:-"10"}
local PID=$(cat "${pidfile}" 2>/dev/null)
while [ -n "${PID}" ] && [ "${timeout}" -ge 1 ]; do
kill -0 ${PID} 2>/dev/null || break
kill -TERM "${PID}"
timeout=$((${timeout} - 1))
sleep 0.5
done
[ "${timeout}" -lt 1 ] && return 1
[ -f ${pidfile} ] && rm -f ${pidfile}
return 0
}
# celeryd
start_workers() {
yesno "${CELERYD_ENABLED}" || return 0
${CELERYD_MULTI} start ${CELERYD_NODES} ${DAEMON_OPTS} \
--pidfile="${CELERYD_PID_FILE}" \
--logfile="${CELERYD_LOG_FILE}" \
--loglevel="${CELERYD_LOG_LEVEL}" \
${CELERYD_OPTS}
}
stop_workers() {
yesno "${CELERYD_ENABLED}" || return 0
local timeout=${STOPTIMEOUT:-"10"}
${CELERYD_MULTI} stop ${CELERYD_NODES} --pidfile="${CELERYD_PID_FILE}" || return 1
# Wait for each node
for node in ${CELERYD_NODES}; do
local pidfile=${CELERYD_PID_FILE/\%n/${node}}
local PID=$(cat "${pidfile}" 2>/dev/null)
while [ -n "${PID}" ] && [ "${timeout}" -ge 1 ]; do
kill -0 ${PID} 2>/dev/null || break
timeout=$((${timeout} - 1))
sleep 0.5
done
done
[ "${timeout}" -lt 1 ] && return 1
return 0
}
restart_workers() {
yesno "${CELERYD_ENABLED}" || return 0
${CELERYD_MULTI} restart ${CELERYD_NODES} ${DAEMON_OPTS} \
--pidfile="${CELERYD_PID_FILE}" \
--logfile="${CELERYD_LOG_FILE}" \
--loglevel="${CELERYD_LOG_LEVEL}" \
${CELERYD_OPTS}
}
# celerybeat
start_beat() {
yesno "${CELERYBEAT_ENABLED}" || return 0
ebegin "Starting celerybeat"
${CELERYBEAT} ${CELERYBEAT_OPTS} ${DAEMON_OPTS} --detach \
--pidfile="${CELERYBEAT_PID_FILE}"
eend ${?}
}
stop_beat() {
yesno "${CELERYBEAT_ENABLED}" || return 0
ebegin "Stopping celerybeat"
if [ -f "${CELERYBEAT_PID_FILE}" ]; then
wait_pid "${CELERYBEAT_PID_FILE}"
else
ewarn "not running"
fi
eend ${?}
}
start() {
local cr=0
checkconfig || return 1
ebegin "Starting ${SVCNAME}"
eindent
celery_chdir && \
start_workers && \
start_beat || cr=1
eoutdent
eend ${cr}
}
stop() {
local cr=0
checkconfig || return 1
ebegin "Stopping ${SVCNAME}"
eindent
celery_chdir
stop_workers || cr=1
stop_beat || cr=1
eoutdent
eend ${cr}
}
reload() {
local cr=0
checkconfig || return 1
ebegin "Restarting ${SVCNAME}"
eindent
celery_chdir
restart_workers || cr=1
stop_beat && start_beat || cr=1
eoutdent
eend ${cr}
}
status() {
checkconfig || return 1
celery_chdir && \
${CELERYCTL} status
}
|
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