refactor: Adding some debug logs. (#29639)

lms/djangoapps/courseware/courses.py

@@ -129,8 +129,16 @@ def get_course_overview_with_access(user, action, course_key, check_if_enrolled=
     try:
         course_overview = CourseOverview.get_from_id(course_key)
     except CourseOverview.DoesNotExist:
+        log.exception(f'Failed to retrieve course from courseoverview."{course_key}"')
         raise Http404("Course not found.")  # lint-amnesty, pylint: disable=raise-missing-from
+
+    course_under_investigation = str(course_key) == 'course-v1:UQx+ABLE301x+1T2022'
+    if course_under_investigation:
+        log.info('[TNL_9420] Course overview found, Checking course access.')
     check_course_access_with_redirect(course_overview, user, action, check_if_enrolled)
+    if course_under_investigation:
+        log.info('[TNL_9420] Course access granted')
+
     return course_overview
 
 
@@ -233,6 +241,9 @@ def check_course_access_with_redirect(course, user, action, check_if_enrolled=Fa
 
         # Deliberately return a non-specific error message to avoid
         # leaking info about access control settings
+        log.exception(
+            f'[TNL_9420] Failed to grant course access for "{course.id}", {access_response.to_json()}'
+        )
         raise CoursewareAccessException(access_response)