try with connection_created signal

Signed-off-by: Marc 'risson' Schmitt <marc.schmitt@risson.space>

authentik/tenants/apps.py

@@ -1,14 +1,25 @@
 """authentik tenants app"""
-from django.core.signals import setting_changed
 from django.db import DEFAULT_DB_ALIAS
+from django.db.backends.signals import connection_created
 from django.db.models.signals import post_migrate
 from django_tenants.utils import get_public_schema_name
 
 from authentik.blueprints.apps import ManagedAppConfig
 
 
-def ensure_default_tenant(*args, using=DEFAULT_DB_ALIAS, **kwargs):
+def ensure_default_tenant(*args, using=DEFAULT_DB_ALIAS, connection=None, **kwargs):
     """Make sure default tenant exists"""
+    # Make sure we've migrated before touching the database
+    if connection is not None:
+        with connection.cursor() as cursor:
+            cursor.execute(
+                "SELECT * FROM information_schema.tables "
+                "WHERE table_schema = 'public' AND table_name = 'authentik_tenants_tenant'"
+            )
+            if not bool(cursor.rowcount):
+                return
+        using = connection.alias
+
     from django_tenants.utils import schema_context
 
     from authentik.tenants.models import Tenant
@@ -32,4 +43,4 @@ class AuthentikTenantsConfig(ManagedAppConfig):
         """Make sure default tenant exists, especially after a migration"""
         ensure_default_tenant()
         post_migrate.connect(ensure_default_tenant)
-        setting_changed.connect(ensure_default_tenant)
+        connection_created.connect(ensure_default_tenant)