Refactor s6 scripts to the new format (#5135)

* Refator s6 scripts to the new format

* Remove unneeded workaround

* Migrate logging to new s6 format

* Remove more unnecessary s6 variables

* Fix prepare-log and when go2rtc is not present in config

* Restart the whole container if either Frigate or go2rtc fails

* D

* Fix service name in finish

* Fix nginx finish comment

* Restart improvements

* Fix devcontainer

* Fix format

* Update Dockerfile

Co-authored-by: Felipe Santos <felipecassiors@gmail.com>

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

frigate/http.py

@@ -769,7 +769,10 @@ def config_save():
             logging.error(f"Error restarting Frigate: {e}")
             return "Config successfully saved, unable to restart Frigate", 200
 
-        return "Config successfully saved, restarting...", 200
+        return (
+            "Config successfully saved, restarting (this can take up to one minute)...",
+            200,
+        )
     else:
         return "Config successfully saved.", 200
 

frigate/util.py

@@ -628,13 +628,8 @@ def clipped(obj, frame_shape):
 
 
 def restart_frigate():
-    proc = psutil.Process(1)
-    # if this is running via s6, sigterm pid 1
-    if proc.name() == "s6-svscan":
-        proc.terminate()
-    # otherwise, just try and exit frigate
-    else:
-        os.kill(os.getpid(), signal.SIGTERM)
+    # S6 overlay is configured to exit once the Frigate process exits
+    os.kill(os.getpid(), signal.SIGTERM)
 
 
 class EventsPerSecond: