write courses to neo4j in background tasks (EDUCATOR-583)

move tasks into tasks.py

add more logging

cms/envs/aws.py

@@ -498,3 +498,6 @@ AFFILIATE_COOKIE_NAME = ENV_TOKENS.get('AFFILIATE_COOKIE_NAME', AFFILIATE_COOKIE
 ############## Settings for Studio Context Sensitive Help ##############
 
 HELP_TOKENS_BOOKS = ENV_TOKENS.get('HELP_TOKENS_BOOKS', HELP_TOKENS_BOOKS)
+
+############## Settings for CourseGraph ############################
+COURSEGRAPH_JOB_QUEUE = LOW_PRIORITY_QUEUE

cms/envs/common.py

@@ -1315,3 +1315,6 @@ COURSE_CATALOG_API_URL = None
 
 # Queue to use for updating persistent grades
 RECALCULATE_GRADES_ROUTING_KEY = LOW_PRIORITY_QUEUE
+
+############## Settings for CourseGraph ############################
+COURSEGRAPH_JOB_QUEUE = LOW_PRIORITY_QUEUE

lms/envs/aws.py

@@ -999,3 +999,6 @@ COURSES_API_CACHE_TIMEOUT = ENV_TOKENS.get('COURSES_API_CACHE_TIMEOUT', COURSES_
 
 # Add an ICP license for serving content in China if your organization is registered to do so
 ICP_LICENSE = ENV_TOKENS.get('ICP_LICENSE', None)
+
+############## Settings for CourseGraph ############################
+COURSEGRAPH_JOB_QUEUE = LOW_PRIORITY_QUEUE

lms/envs/common.py

@@ -3190,3 +3190,6 @@ COURSE_ENROLLMENT_MODES = {
 ############## Settings for the Discovery App ######################
 
 COURSES_API_CACHE_TIMEOUT = 3600  # Value is in seconds
+
+############## Settings for CourseGraph ############################
+COURSEGRAPH_JOB_QUEUE = LOW_PRIORITY_QUEUE

openedx/core/djangoapps/coursegraph/apps.py

@@ -12,3 +12,5 @@ class CoursegraphConfig(AppConfig):
     AppConfig for courseware app
     """
     name = 'openedx.core.djangoapps.coursegraph'
+
+    from . import tasks  # pylint: disable=unused-variable