[Unit]

Description=Celery Service

After=network.target

[Service]

Type=forking

User=celery

Group=celery

EnvironmentFile=/etc/celery/celery.conf

WorkingDirectory=/app/celery

ExecStart=/bin/sh -c '${CELERY_BIN} multi start ${CELERYD_NODES} \

  -A ${CELERY_APP} --pidfile=${CELERYD_PID_FILE} \

  --logfile=${CELERYD_LOG_FILE} --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS}'

ExecStop=/bin/sh -c '${CELERY_BIN} multi stopwait ${CELERYD_NODES} \

  --pidfile=${CELERYD_PID_FILE}'

ExecReload=/bin/sh -c '${CELERY_BIN} multi restart ${CELERYD_NODES} \

  -A ${CELERY_APP} --pidfile=${CELERYD_PID_FILE} \

  --logfile=${CELERYD_LOG_FILE} --loglevel=${CELERYD_LOG_LEVEL} ${CELERYD_OPTS}'

[Install]

WantedBy=multi-user.target

# 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"

# or we could have three nodes:

#CELERYD_NODES="w1 w2 w3"

# or we could have three nodes:

#CELERYD_NODES="w1 w2 w3"

# Absolute or relative path to the 'celery' command:

CELERY_BIN="/usr/local/python3.6.5/bin/celery"

# App instance to use

# comment out this line if you don't use an app

CELERY_APP="tasks"

# or fully qualified:

#CELERY_APP="proj.tasks:app"

# How to call manage.py

CELERYD_MULTI="multi"

# Extra command-line arguments to the worker

CELERYD_OPTS="--time-limit=300 --concurrency=8"

# - %n will be replaced with the first part of the nodename.

# - %I will be replaced with the current child process index

#   and is important when using the prefork pool to avoid race conditions.

CELERYD_PID_FILE="/var/run/celery/%n.pid"

CELERYD_LOG_FILE="/var/log/celery/%n%I.log"

CELERYD_LOG_LEVEL="INFO"

# you may wish to add these options for Celery Beat

CELERYBEAT_PID_FILE="/var/run/celery/beat.pid"

CELERYBEAT_LOG_FILE="/var/log/celery/beat.log"

[Unit]

Description=Celery Beat Service

After=network.target

[Service]

Type=simple

User=celery

Group=celery

EnvironmentFile=/etc/celery/celery.conf

WorkingDirectory=/opt/celery

ExecStart=/bin/sh -c '${CELERY_BIN} beat  \

  -A ${CELERY_APP} --pidfile=${CELERYBEAT_PID_FILE} \

  --logfile=${CELERYBEAT_LOG_FILE} --loglevel=${CELERYD_LOG_LEVEL}'

[Install]

WantedBy=multi-user.target