Initial attempt

modules/nixos/services/frigate/default.nix

@@ -0,0 +1,126 @@
+{
+  config,
+  lib,
+  namespace,
+  ...
+}:
+let
+  cfg = config.${namespace}.services.frigate;
+in
+{
+  options.${namespace}.services.frigate = {
+    enable = lib.mkEnableOption "Frigate NVR";
+
+    acmeCertName = lib.mkOption {
+      type = lib.types.str;
+      default = "";
+      description = ''
+        If set to a non-empty string, forces SSL with the supplied acme
+        certificate.
+      '';
+    };
+
+    hostname = lib.mkOption {
+      type = lib.types.str;
+      default = "frigate.kilonull.com";
+      description = ''
+        The hostname for the Frigate web interface.
+      '';
+    };
+
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 8971;
+      description = ''
+        The port on which Frigate's web interface will listen.
+      '';
+    };
+
+    openFirewall = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = ''
+        Whether to open the firewall for HTTP/HTTPS traffic.
+      '';
+    };
+  };
+
+  config =
+    let
+      setEnvVars = ''
+        export FRIGATE_MQTT_PASSWORD=$(cat ${config.age.secrets.frigate_mqtt.path})
+      '';
+    in
+    lib.mkIf cfg.enable {
+      age.secrets.frigate_mqtt.file = ../../../../secrets/frigate_mqtt.age;
+
+      systemd.services.frigate.preStart = setEnvVars;
+      services.frigate.preCheckConfig = setEnvVars;
+
+      services.frigate = {
+        enable = true;
+        hostname = cfg.hostname;
+        settings = {
+          # Basic Frigate configuration
+          mqtt = {
+            enabled = true;
+            host = "192.168.113.42";
+            port = 1883;
+            user = "frigate";
+            password = "{FRIGATE_MQTT_PASSWORD}";
+          };
+
+          # TLS terminated at reverse proxy (nginx)
+          tls.enabled = false;
+
+          go2rtc.streams = {
+            video_doorbell = [
+              "ffmpeg:http://reolink_ip/flv?port=1935&app=bcs&stream=channel0_main.bcs&user=username&password=password#video=copy#audio=copy#audio=opus"
+              "rtsp://username:password@reolink_ip/Preview_01_sub"
+            ];
+            video_doorbell_sub = [
+              "ffmpeg:http://reolink_ip/flv?port=1935&app=bcs&stream=channel0_ext.bcs&user=username&password=password"
+              "rtsp://username:password@reolink_ip/Preview_01_sub"
+            ];
+          };
+          go2rtc.webrtc.candidates = [
+            "192.168.113.69:8555"
+            # "gospel:8555"
+          ];
+
+          cameras = {
+            video_doorbell.ffmpeg.inputs = [
+              {
+
+                path = "rtsp://127.0.0.1:8554/video_doorbell";
+                input_args = "preset-rtsp-restream";
+                roles = [ "record" ];
+              }
+
+              {
+                path = "rtsp://127.0.0.1:8554/video_doorbell_sub";
+                input_args = "preset-rtsp-restream";
+                roles = [ "detect" ];
+              }
+            ];
+          };
+        };
+      };
+
+      services.nginx = {
+        enable = true;
+        virtualHosts.${cfg.hostname} = lib.mkIf (cfg.acmeCertName != "") {
+          forceSSL = true;
+          useACMEHost = cfg.acmeCertName;
+        };
+      };
+
+      networking.firewall = lib.mkIf cfg.openFirewall {
+        allowedTCPPorts = [
+          80
+          443
+          855
+        ];
+      };
+    };
+}

modules/nixos/services/mosquitto/default.nix

@@ -15,6 +15,7 @@ in
       hass_mqtt.file = ../../../../secrets/hass_mqtt.age;
       teslamate_mqtt.file = ../../../../secrets/teslamate_mqtt.age;
       zigbee2mqtt_mqtt.file = ../../../../secrets/zigbee2mqtt_mqtt.age;
+      frigate_mqtt.file = ../../../../secrets/frigate_mqtt.age;
     };
 
     services.mosquitto = {
@@ -43,6 +44,10 @@ in
               ];
               passwordFile = config.age.secrets.zigbee2mqtt_mqtt.path;
             };
+            frigate = {
+              acl = [ "readwrite frigate/#" ];
+              passwordFile = config.age.secrets.frigate_mqtt.path;
+            };
           };
         }
       ];

secrets/frigate_mqtt.age

@@ -0,0 +1,15 @@
+-----BEGIN AGE ENCRYPTED FILE-----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+-----END AGE ENCRYPTED FILE-----

secrets/secrets.nix

@@ -67,6 +67,11 @@ in
     machines.node
     machines.gospel
   ];
+  "frigate_mqtt.age".publicKeys = [
+    users.me
+    machines.pi4
+    machines.gospel
+  ];
   "zigbee2mqtt_mqtt.age".publicKeys = [
     users.me
     tmp

systems/x86_64-linux/gospel/default.nix

@@ -53,6 +53,10 @@
       enable = true;
       acmeCertName = "kilonull.com";
     };
+    services.frigate = {
+      enable = true;
+      acmeCertName = "kilonull.com";
+    };
 
     hardware.audio.enable = true;
     hardware.bluetooth.enable = true;