From fcaff15795d60deb543fe0f25625785a3f5cd491 Mon Sep 17 00:00:00 2001
From: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
Date: Fri, 11 Jul 2025 07:57:49 -0500
Subject: [PATCH] move to services and add env var

---
 frigate/app.py           | 14 ++------------
 frigate/util/services.py | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/frigate/app.py b/frigate/app.py
index 4dbc660ca..23facba40 100644
--- a/frigate/app.py
+++ b/frigate/app.py
@@ -2,7 +2,6 @@ import datetime
 import logging
 import multiprocessing as mp
 import os
-import resource
 import secrets
 import shutil
 from multiprocessing import Queue
@@ -72,6 +71,7 @@ from frigate.timeline import TimelineProcessor
 from frigate.util.builtin import empty_and_close_queue
 from frigate.util.image import SharedMemoryFrameManager, UntrackedSharedMemory
 from frigate.util.object import get_camera_regions_grid
+from frigate.util.services import set_file_limit
 from frigate.version import VERSION
 from frigate.video import capture_camera, track_camera
 from frigate.watchdog import FrigateWatchdog
@@ -111,16 +111,6 @@ class FrigateApp:
             else:
                 logger.debug(f"Skipping directory: {d}")
 
-    def set_file_limit(self, soft_limit: int) -> None:
-        current_soft, current_hard = resource.getrlimit(resource.RLIMIT_NOFILE)
-        logger.info(f"Current file limits - Soft: {current_soft}, Hard: {current_hard}")
-
-        new_soft = min(soft_limit, current_hard)
-        resource.setrlimit(resource.RLIMIT_NOFILE, (new_soft, current_hard))
-        logger.info(
-            f"File limit set. New soft limit: {new_soft}, Hard limit remains: {current_hard}"
-        )
-
     def init_camera_metrics(self) -> None:
         # create camera_metrics
         for camera_name in self.config.cameras.keys():
@@ -599,7 +589,7 @@ class FrigateApp:
         self.ensure_dirs()
 
         # Set soft file limits.
-        self.set_file_limit(65536)
+        set_file_limit()
 
         # Start frigate services.
         self.init_camera_metrics()
diff --git a/frigate/util/services.py b/frigate/util/services.py
index 2fd701298..ab60adc9e 100644
--- a/frigate/util/services.py
+++ b/frigate/util/services.py
@@ -5,6 +5,7 @@ import json
 import logging
 import os
 import re
+import resource
 import signal
 import subprocess as sp
 import traceback
@@ -632,3 +633,16 @@ async def get_video_properties(
         result["fourcc"] = fourcc
 
     return result
+
+
+def set_file_limit() -> None:
+    soft_limit = int(os.getenv("SOFT_FILE_LIMIT", "65536") or "65536")
+
+    current_soft, current_hard = resource.getrlimit(resource.RLIMIT_NOFILE)
+    logger.info(f"Current file limits - Soft: {current_soft}, Hard: {current_hard}")
+
+    new_soft = min(soft_limit, current_hard)
+    resource.setrlimit(resource.RLIMIT_NOFILE, (new_soft, current_hard))
+    logger.info(
+        f"File limit set. New soft limit: {new_soft}, Hard limit remains: {current_hard}"
+    )