Dynamically update masks and zones for cameras (#18359)

* Include config publisher in api

* Call update topic for passed topics

* Update zones dynamically

* Update zones internally

* Support zone and mask reset

* Handle updating objects config

* Don't put status for needing to restart Frigate

* Cleanup http tests

* Fix tests

frigate/api/app.py

@@ -28,6 +28,10 @@ from frigate.api.defs.query.app_query_parameters import AppTimelineHourlyQueryPa
 from frigate.api.defs.request.app_body import AppConfigSetBody
 from frigate.api.defs.tags import Tags
 from frigate.config import FrigateConfig
+from frigate.config.camera.updater import (
+    CameraConfigUpdateEnum,
+    CameraConfigUpdateTopic,
+)
 from frigate.models import Event, Timeline
 from frigate.stats.prometheus import get_metrics, update_metrics
 from frigate.util.builtin import (
@@ -385,8 +389,18 @@ def config_set(request: Request, body: AppConfigSetBody):
             status_code=500,
         )
 
-    if body.requires_restart == 0:
+    if body.requires_restart == 0 or body.update_topic:
         request.app.frigate_config = config
+
+        if body.update_topic and body.update_topic.startswith("config/cameras/"):
+            _, _, camera, field = body.update_topic.split("/")
+
+            settings = config.get_nested_object(body.update_topic)
+            request.app.config_publisher.publish_update(
+                CameraConfigUpdateTopic(CameraConfigUpdateEnum[field], camera),
+                settings,
+            )
+
     return JSONResponse(
         content=(
             {

frigate/api/defs/request/app_body.py

@@ -5,6 +5,7 @@ from pydantic import BaseModel
 
 class AppConfigSetBody(BaseModel):
     requires_restart: int = 1
+    update_topic: str | None = None
 
 
 class AppPutPasswordBody(BaseModel):

frigate/api/fastapi_app.py

@@ -26,6 +26,7 @@ from frigate.comms.event_metadata_updater import (
     EventMetadataPublisher,
 )
 from frigate.config import FrigateConfig
+from frigate.config.camera.updater import CameraConfigUpdatePublisher
 from frigate.embeddings import EmbeddingsContext
 from frigate.ptz.onvif import OnvifController
 from frigate.stats.emitter import StatsEmitter
@@ -57,6 +58,7 @@ def create_fastapi_app(
     onvif: OnvifController,
     stats_emitter: StatsEmitter,
     event_metadata_updater: EventMetadataPublisher,
+    config_publisher: CameraConfigUpdatePublisher,
 ):
     logger.info("Starting FastAPI app")
     app = FastAPI(
@@ -127,6 +129,7 @@ def create_fastapi_app(
     app.onvif = onvif
     app.stats_emitter = stats_emitter
     app.event_metadata_updater = event_metadata_updater
+    app.config_publisher = config_publisher
     app.jwt_token = get_jwt_secret() if frigate_config.auth.enabled else None
 
     return app