lib: fix event creation when deprecated config is detected (#7969)

* lib: fix event creation when deprecated config is detected

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* fix black parsing errors

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

authentik/events/apps.py

@@ -2,6 +2,7 @@
 from prometheus_client import Gauge
 
 from authentik.blueprints.apps import ManagedAppConfig
+from authentik.lib.config import CONFIG, ENV_PREFIX
 
 GAUGE_TASKS = Gauge(
     "authentik_system_tasks",
@@ -21,3 +22,24 @@ class AuthentikEventsConfig(ManagedAppConfig):
     def reconcile_load_events_signals(self):
         """Load events signals"""
         self.import_module("authentik.events.signals")
+
+    def reconcile_check_deprecations(self):
+        """Check for config deprecations"""
+        from authentik.events.models import Event, EventAction
+
+        for key_replace, msg in CONFIG.deprecations.items():
+            key, replace = key_replace
+            key_env = f"{ENV_PREFIX}_{key.replace('.', '__')}".upper()
+            replace_env = f"{ENV_PREFIX}_{replace.replace('.', '__')}".upper()
+            if Event.objects.filter(
+                action=EventAction.CONFIGURATION_ERROR, context__deprecated_option=key
+            ).exists():
+                continue
+            Event.new(
+                EventAction.CONFIGURATION_ERROR,
+                deprecated_option=key,
+                deprecated_env=key_env,
+                replacement_option=replace,
+                replacement_env=replace_env,
+                message=msg,
+            ).save()

authentik/lib/config.py

@@ -113,6 +113,8 @@ class ConfigLoader:
 
     A variable like AUTHENTIK_POSTGRESQL__HOST would translate to postgresql.host"""
 
+    deprecations: dict[tuple[str, str], str] = {}
+
     def __init__(self, **kwargs):
         super().__init__()
         self.__config = {}
@@ -139,9 +141,9 @@ class ConfigLoader:
                         self.update_from_file(env_file)
         self.update_from_env()
         self.update(self.__config, kwargs)
-        self.check_deprecations()
+        self.deprecations = self.check_deprecations()
 
-    def check_deprecations(self):
+    def check_deprecations(self) -> dict[str, str]:
         """Warn if any deprecated configuration options are used"""
 
         def _pop_deprecated_key(current_obj, dot_parts, index):
@@ -154,8 +156,10 @@ class ConfigLoader:
                 current_obj.pop(dot_part)
             return value
 
+        deprecation_replacements = {}
         for deprecation, replacement in DEPRECATIONS.items():
-            if self.get(deprecation, default=UNSET) is not UNSET:
+            if self.get(deprecation, default=UNSET) is UNSET:
+                continue
             message = (
                 f"'{deprecation}' has been deprecated in favor of '{replacement}'! "
                 + "Please update your configuration."
@@ -164,15 +168,11 @@ class ConfigLoader:
                 "warning",
                 message,
             )
-                try:
-                    from authentik.events.models import Event, EventAction
-
-                    Event.new(EventAction.CONFIGURATION_ERROR, message=message).save()
-                except ImportError:
-                    continue
+            deprecation_replacements[(deprecation, replacement)] = message
 
             deprecated_attr = _pop_deprecated_key(self.__config, deprecation.split("."), 0)
-                self.set(replacement, deprecated_attr.value)
+            self.set(replacement, deprecated_attr)
+        return deprecation_replacements
 
     def log(self, level: str, message: str, **kwargs):
         """Custom Log method, we want to ensure ConfigLoader always logs JSON even when
@@ -318,7 +318,9 @@ class ConfigLoader:
 
     def set(self, path: str, value: Any, sep="."):
         """Set value using same syntax as get()"""
-        set_path_in_dict(self.raw, path, Attr(value), sep=sep)
+        if not isinstance(value, Attr):
+            value = Attr(value)
+        set_path_in_dict(self.raw, path, value, sep=sep)
 
 
 CONFIG = ConfigLoader()

pyproject.toml

@@ -17,12 +17,12 @@ pythonPlatform = "All"
 
 [tool.black]
 line-length = 100
-target-version = ['py311']
+target-version = ['py312']
 exclude = 'node_modules'
 
 [tool.ruff]
 line-length = 100
-target-version = "py311"
+target-version = "py312"
 exclude = ["**/migrations/**", "**/node_modules/**"]
 
 [tool.isort]