Installing And Configuration Django 1.10 && Celery 4.0.2 && RabbitMQ

celery.py

1. django (latest version)
	$ pip install django
2. celery (latest version)
	$ pip install celery
	first steps
	docs: http://docs.celeryproject.org/en/latest/django/first-steps-with-django.html

	install celery extension
		$ pip install django-celery-beat
			docs: http://docs.celeryproject.org/en/latest/django/first-steps-with-django.html#django-celery-beat
			Add django_celery_beat to INSTALLED_APPS.
		$ pip install django-celery-results
			docs: http://docs.celeryproject.org/en/latest/django/first-steps-with-django.html#django-celery-results
			Add django_celery_results to INSTALLED_APPS.
		$ python manage.py migrate

	celery.py
		from __future__ import absolute_import, unicode_literals
		import os
		import sys
		from celery import Celery
		from django.conf import settings
		# set the default Django settings module for the 'celery' program.
		os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'insurance.settings.staging')

		app = Celery('insurance')

		# Using a string here means the worker doesn't have to serialize
		# the configuration object to child processes.
		# - namespace='CELERY' means all celery-related configuration keys
		#   should have a `CELERY_` prefix.
		app.config_from_object('django.conf:settings', namespace='CELERY')

		# Load task modules from all registered Django app configs.
		app.autodiscover_tasks()

		@app.task(bind=True)
		def debug_task(self):
		    print('Request: {0!r}'.format(self.request))

	__init__.py
		from __future__ import absolute_import, unicode_literals
		# This will make sure the app is always imported when
		# Django starts so that shared_task will use this app.
		
		from .celery import app as celery_app
		__all__ = ['celery_app']

	staging.py
		# add bottom CELERY config
		CELERY_BROKER_URL = 'amqp://guest:guest@localhost:5672//'
		CELERY_RESULT_BACKEND = 'django-db'
3. RabbitMQ
	docs: http://docs.celeryproject.org/en/latest/getting-started/brokers/rabbitmq.html
	installing on (Fedora/CentOS 7)
		$ sudo yum install rabbitmq-server librabbitmq.x86_64 librabbitmq-devel librabbitmq-tools
		$ sudo systemctl enable rabbitmq-server
		$ sudo rabbitmq-server
		you can also run it in the background by adding the -detached option (note: only one dash):
		$ sudo rabbitmq-server -detached
		status
		$ sudo rabbitmqctl status
		stop
		$ sudo rabbitmqctl stop
4. Starting the worker process
	$ celery -A insurance worker -l info -n worker@insurance
	# enable event group {task}
	$ celery control enable_events
5. Starting beat
	$ celery -A insurance beat -S insurance.scheders.TestScheduler