blueprints: add meta model to apply blueprint within blueprint for dependencies (#3486)

* add meta model to apply blueprint within blueprint for dependencies

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* fix tests

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* use custom registry

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* fix again

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* move ManagedAppConfig to apps.py

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* rename manager to registry

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* ci: use full tag in comment

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/blueprints/apps.py

@@ -1,6 +1,46 @@
 """authentik Blueprints app"""
 
-from authentik.blueprints.manager import ManagedAppConfig
+from importlib import import_module
+from inspect import ismethod
+
+from django.apps import AppConfig
+from django.db import DatabaseError, InternalError, ProgrammingError
+from structlog.stdlib import BoundLogger, get_logger
+
+
+class ManagedAppConfig(AppConfig):
+    """Basic reconciliation logic for apps"""
+
+    _logger: BoundLogger
+
+    def __init__(self, app_name: str, *args, **kwargs) -> None:
+        super().__init__(app_name, *args, **kwargs)
+        self._logger = get_logger().bind(app_name=app_name)
+
+    def ready(self) -> None:
+        self.reconcile()
+        return super().ready()
+
+    def import_module(self, path: str):
+        """Load module"""
+        import_module(path)
+
+    def reconcile(self) -> None:
+        """reconcile ourselves"""
+        prefix = "reconcile_"
+        for meth_name in dir(self):
+            meth = getattr(self, meth_name)
+            if not ismethod(meth):
+                continue
+            if not meth_name.startswith(prefix):
+                continue
+            name = meth_name.replace(prefix, "")
+            try:
+                self._logger.debug("Starting reconciler", name=name)
+                meth()
+                self._logger.debug("Successfully reconciled", name=name)
+            except (DatabaseError, ProgrammingError, InternalError) as exc:
+                self._logger.debug("Failed to run reconcile", name=name, exc=exc)
 
 
 class AuthentikBlueprintsConfig(ManagedAppConfig):
@@ -15,6 +55,10 @@ class AuthentikBlueprintsConfig(ManagedAppConfig):
         """Load v1 tasks"""
         self.import_module("authentik.blueprints.v1.tasks")
 
+    def reconcile_load_blueprints_v1_meta(self):
+        """Load v1 meta models"""
+        self.import_module("authentik.blueprints.v1.meta.apply_blueprint")
+
     def reconcile_blueprints_discover(self):
         """Run blueprint discovery"""
         from authentik.blueprints.v1.tasks import blueprints_discover