Add role to call the "clearsessions" management command

playbooks/roles/edxapp/defaults/main.yml

@@ -754,6 +754,14 @@ EDXAPP_SESSION_SAVE_EVERY_REQUEST: false
 
 EDXAPP_SESSION_COOKIE_SECURE: false
 
+# Optionally add a cron job to run the "clearsessions" management command to delete expired sessions
+# Hours and minutes follow cron syntax.
+# E.g. "15,19" hours and "0" minutes will run it at 15:00 and 19:00.
+#      "*" hours and "5" minutes  will run it every hour at past 5 minutes.
+EDXAPP_CLEARSESSIONS_CRON_ENABLED: false
+EDXAPP_CLEARSESSIONS_CRON_HOURS: "14"
+EDXAPP_CLEARSESSIONS_CRON_MINUTES: "0"
+
 EDXAPP_VIDEO_IMAGE_MAX_AGE: 31536000
 
 # This is django storage configuration for Video Image settings.

playbooks/roles/edxapp/tasks/deploy.yml

@@ -446,3 +446,13 @@
   tags:
     - install
     - install:base
+
+- name: install cron job to run clearsessions
+  cron:
+    name: "clear expired Django sessions"
+    user: "{{ edxapp_user }}"
+    job: "{{ edxapp_venv_bin }}/python {{ edxapp_code_dir }}/manage.py lms clearsessions --settings={{ edxapp_settings }} >/dev/null 2>&1"
+    hour: "{{ EDXAPP_CLEARSESSIONS_CRON_HOURS }}"
+    minute: "{{ EDXAPP_CLEARSESSIONS_CRON_MINUTES }}"
+    day: "*"
+  when: EDXAPP_CLEARSESSIONS_CRON_ENABLED