Merge branch 'master' into task/3709/faq_tos_cms_template

dynamicweb/__init__.py

@@ -0,0 +1,5 @@
+# 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']

dynamicweb/celery.py

@@ -0,0 +1,21 @@
+import os
+from celery import Celery
+
+# set the default Django settings module for the 'celery' program.
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dynamicweb.settings')
+
+app = Celery('dynamicweb')
+
+# Using a string here means the worker don'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))

dynamicweb/settings/base.py

@@ -10,6 +10,9 @@ from django.utils.translation import ugettext_lazy as _
 
 # dotenv
 import dotenv
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 def gettext(s):
@@ -25,6 +28,21 @@ def bool_env(val):
     return True if os.environ.get(val, False) == 'True' else False
 
 
+def int_env(val, default_value=0):
+    """Replaces string based environment values with Python integers
+    Return default_value if val is not set or cannot be parsed, otherwise
+    returns the python integer equal to the passed val
+    """
+    return_value = default_value
+    try:
+        return_value = int(os.environ.get(val))
+    except Exception as e:
+        logger.error("Encountered exception trying to get env value for {}\nException details: {}".format(
+            val, str(e)))
+
+    return return_value
+
+
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 PROJECT_DIR = os.path.abspath(
@@ -120,7 +138,8 @@ INSTALLED_APPS = (
     'datacenterlight.templatetags',
     'alplora',
     'rest_framework',
-    'opennebula_api'
+    'opennebula_api',
+    'django_celery_results',
 )
 
 MIDDLEWARE_CLASSES = (
@@ -526,6 +545,15 @@ GOOGLE_ANALYTICS_PROPERTY_IDS = {
     'dynamicweb-staging.ungleich.ch': 'staging'
 }
 
+# CELERY Settings
+CELERY_BROKER_URL = env('CELERY_BROKER_URL')
+CELERY_RESULT_BACKEND = env('CELERY_RESULT_BACKEND')
+CELERY_ACCEPT_CONTENT = ['application/json']
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_SERIALIZER = 'json'
+CELERY_TIMEZONE = 'Europe/Zurich'
+CELERY_MAX_RETRIES = int_env('CELERY_MAX_RETRIES', 5)
+
 ENABLE_DEBUG_LOGGING = bool_env('ENABLE_DEBUG_LOGGING')
 
 if ENABLE_DEBUG_LOGGING: