Add networking options for configuring listening ports (#21779)

docker/main/rootfs/usr/local/nginx/get_nginx_settings.py

@@ -0,0 +1,62 @@
+"""Prints the nginx settings as json to stdout."""
+
+import json
+import os
+import sys
+from typing import Any
+
+from ruamel.yaml import YAML
+
+sys.path.insert(0, "/opt/frigate")
+from frigate.util.config import find_config_file
+
+sys.path.remove("/opt/frigate")
+
+yaml = YAML()
+
+config_file = find_config_file()
+
+try:
+    with open(config_file) as f:
+        raw_config = f.read()
+
+    if config_file.endswith((".yaml", ".yml")):
+        config: dict[str, Any] = yaml.load(raw_config)
+    elif config_file.endswith(".json"):
+        config: dict[str, Any] = json.loads(raw_config)
+except FileNotFoundError:
+    config: dict[str, Any] = {}
+
+tls_config: dict[str, Any] = config.get("tls", {})
+tls_config.setdefault("enabled", True)
+
+networking_config: dict[str, Any] = config.get("networking", {})
+ipv6_config: dict[str, Any] = networking_config.get("ipv6", {})
+ipv6_config.setdefault("enabled", False)
+
+listen_config: dict[str, Any] = networking_config.get("listen", {})
+listen_config.setdefault("internal", 5000)
+listen_config.setdefault("external", 8971)
+
+# handle case where internal port is a string with ip:port
+internal_port = listen_config["internal"]
+if type(internal_port) is str:
+    internal_port = int(internal_port.split(":")[-1])
+listen_config["internal_port"] = internal_port
+
+# handle case where external port is a string with ip:port
+external_port = listen_config["external"]
+if type(external_port) is str:
+    external_port = int(external_port.split(":")[-1])
+listen_config["external_port"] = external_port
+
+base_path = os.environ.get("FRIGATE_BASE_PATH", "")
+
+result: dict[str, Any] = {
+    "tls": tls_config,
+    "ipv6": ipv6_config,
+    "listen": listen_config,
+    "base_path": base_path,
+}
+
+print(json.dumps(result))