fix(sessions): Clean old expired sessions

dojo/db_migrations/0222_clean_old_sessions.py

@@ -0,0 +1,12 @@
+from django.db import migrations
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sessions', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RunSQL("DELETE FROM django_session WHERE expire_date < NOW();"),
+        migrations.RunSQL("VACUUM django_session;"),
+    ]

dojo/settings/settings.dist.py

@@ -1149,6 +1149,10 @@ def saml2_attrib_map_format(din):
         "task": "dojo.tasks.evaluate_pro_proposition",
         "schedule": timedelta(hours=8),
     },
+    "clear_sessions": {
+        "task": "dojo.tasks.clear_sessions",
+        "schedule": crontab(hour=0, minute=0, day_of_week=0),
+    },
     # 'jira_status_reconciliation': {
     #     'task': 'dojo.tasks.jira_status_reconciliation_task',
     #     'schedule': timedelta(hours=12),

dojo/tasks.py

@@ -5,6 +5,7 @@
 from celery.utils.log import get_task_logger
 from dateutil.relativedelta import relativedelta
 from django.conf import settings
+from django.core.management import call_command
 from django.db.models import Count, Prefetch
 from django.urls import reverse
 from django.utils import timezone
@@ -216,3 +217,8 @@ def evaluate_pro_proposition(*args, **kwargs):
     # Update the announcement
     announcement.message = f'Only professionals have {object_count:,} Findings and Endpoints in their systems... <a href="https://www.defectdojo.com/pricing" target="_blank">Get DefectDojo Pro</a> today!'
     announcement.save()
+
+
+@app.task
+def clear_sessions(*args, **kwargs):
+    call_command("clearsessions")