try updated celery config file

Author: vigneshsarma

salt/roots/junction/files/celery.conf.j2

@@ -7,11 +7,17 @@ After=network.target
 [Service]
 User=app
 Type=forking
-EnvironmentFile='DJANGO_SETTINGS_MODULE="settings"' 'SITE_NAME="{{name}} Celery"' 'LANG="en_US.UTF-8"'
+EnvironmentFile='DJANGO_SETTINGS_MODULE="settings"' 'SITE_NAME="{{name}} Celery"' 'LANG="en_US.UTF-8"' 'CELERY_BIN=/opt/envs/{{name}}/bin/celery' 'CELERY_PID=/usr/run/{{name}}_celery/%N.pid' 'CELERY_LOG=/opt/{{name}}/logs/celery_junction.log'
 ExecStart=/opt/envs/{{name}}/bin/celery -A junction worker -l info
 WorkingDirectory=/opt/{{name}}/
-Restart=on-failure
-Type=notify
+ExecStart=/bin/sh -c '${CELERY_BIN} multi start {{name}} \
+  -A {{name}} --pidfile=${CELERY_PID} \
+  --logfile=${CELERY_LOG} --loglevel=info ${CELERYD_OPTS}'
+ExecStop=/bin/sh -c '${CELERY_BIN} multi stopwait {{name}} \
+  --pidfile=${CELERY_PID}'
+ExecReload=/bin/sh -c '${CELERY_BIN} multi restart {{name}} \
+  -A {{name}} --pidfile=${CELERY_PID} \
+  --logfile=${CELERY_LOG} --loglevel=info ${CELERYD_OPTS}'
 StandardError=syslog
 TimeoutSec=300
 NotifyAccess=all