sys: add immich

sys/modules/immich.nix

@@ -0,0 +1,74 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.local.sys.immich;
+in {
+  options.local.sys.immich = {
+    enable = mkEnableOption "Immich photo/video management";
+    mediaLocation = mkOption {
+      type = types.path;
+      default = "/var/lib/immich";
+      description = "Directory for storing media files.";
+    };
+    host = mkOption {
+      type = types.str;
+      default = "127.0.0.1";
+      description = "Address to listen on.";
+    };
+    port = mkOption {
+      type = types.port;
+      default = 2283;
+      description = "Port for the web interface.";
+    };
+    machineLearning.enable = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Enable machine learning for smart features.";
+    };
+    accelerationDevices = mkOption {
+      type = with types; nullOr (listOf str);
+      default = null;
+      description = ''
+        Device paths for hardware-accelerated video transcoding.
+        null = allow all devices, [] = no acceleration.
+        Example: [ "/dev/dri/renderD128" ]
+      '';
+    };
+    group = mkOption {
+      type = types.str;
+      default = "photosgroup";
+      description = ''
+        Group for shared access to external libraries. Files in external
+        libraries should be owned by this group with group-read permission.
+        To add permisions to current dir:
+          `chgrp -R photosgroup . && chmod -R g+rX .`
+      '';
+    };
+    users = mkOption {
+      type = with types; listOf str;
+      default = [];
+      description = "Users to add to the photos group for managing external libraries.";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.groups.${cfg.group} = {};
+    users.users =
+      {immich.extraGroups = [cfg.group];}
+      // genAttrs cfg.users (_: {extraGroups = [cfg.group];});
+
+    services.immich = {
+      enable = true;
+      host = cfg.host;
+      port = cfg.port;
+      mediaLocation = cfg.mediaLocation;
+      openFirewall = false;
+      machine-learning.enable = cfg.machineLearning.enable;
+      accelerationDevices = cfg.accelerationDevices;
+    };
+  };
+}