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= Install =
=Install=
pip install Celery
pip install Celery
== Create Virtual Host and User ==
==Create Virtual Host and User==
sudo rabbitmqctl add_user <username> <password>
sudo rabbitmqctl add_user <username> <password>
sudo rabbitmqctl add_vhost <vhostname>
sudo rabbitmqctl add_vhost <vhostname>
sudo rabbitmqctl set_permissions -p <vhostname> <username> ".*" ".*" ".*"
sudo rabbitmqctl set_permissions -p <vhostname> <username> ".*" ".*" ".*"
== With RabbitMQ ==
==With RabbitMQ==
sudo apt-get install rabbitmq-server
sudo apt-get install rabbitmq-server
# Create rabbitmq user
# Create rabbitmq user
$ sudo rabbitmqctl stop
$ sudo rabbitmqctl stop
= Workers =
=Workers=
== Launch ==
==Launch==
celery -A {ProjectName} worker -l info --queues=queuename1,queuename2
celery -A {ProjectName} worker -l info --queues=queuename1,queuename2
== Run task at specific time ==
== SystemD ==
=== Service File ===
<syntaxhighlight lang="bash">
[Unit]
Description=CIA Celery Scheduler
After=network.target
[Service]
User=tenkaichi
Group=tenkaichi
EnvironmentFile=/etc/default/celerybeat
WorkingDirectory=/home/tenkaichi/CIA
ExecStart=/bin/sh -c '${CELERY_BIN} -A ${CELERY_APP} beat --loglevel=${CELERYBEAT_LOGLEVEL} --scheduler=${CELERYBEAT_SCHEDULER} --logfile=${CELERYBEAT_LOG_FILE}'
Restart=always
RestartSec=3
[Install]
WantedBy=multi-user.target
</syntaxhighlight>
=== /etc/default/celerybeat ===
<syntaxhighlight lang="bash">
CELERY_BIN="/home/tenkaichi/.virtualenvs/cia/bin/celery"
CELERY_APP="CIA"
CELERYBEAT_CHDIR="/home/tenkaichi/CIA"
CELERYBEAT_SCHEDULER="django_celery_beat.schedulers:DatabaseScheduler"
CELERYBEAT_OPTS=""
CELERYBEAT_LOGLEVEL=debug
CELERYBEAT_LOG_FILE="/home/tenkaichi/CIA/logs/celery_beat.log"
DJANGO_SETTINGS_MODULE="CIA.settings"
</syntaxhighlight>
==Run task at specific time==
<source lang="Python">import datetime
import celery
import celery