Add Mealie service

nixng-modules/default.nix

@@ -1,4 +1,4 @@
-{...}: {
+_: {
   nixngModules = {
     bazarr = import ./bazarr.nix;
     radicale = import ./radicale.nix;
@@ -8,5 +8,6 @@
     prowlarr = import ./prowlarr.nix;
     ids = import ./ids.nix;
     deluge = import ./deluge.nix;
+    mealie = import ./mealie.nix;
   };
 }

nixng-modules/ids.nix

@@ -1,4 +1,4 @@
-{...}: {
+{
   ids = {
     uids = {
       radicale = 408;
@@ -8,6 +8,7 @@
       bazarr = 412;
       prowlarr = 413;
       deluge = 414;
+      mealie = 415;
     };
 
     gids = {
@@ -19,6 +20,7 @@
       bazarr = 412;
       prowlarr = 413;
       deluge = 414;
+      mealie = 415;
     };
   };
 }

nixng-modules/mealie.nix

@@ -0,0 +1,85 @@
+{
+  lib,
+  nglib,
+  pkgs,
+  config,
+  ...
+}: let
+  cfg = config.services.mealie;
+  cfgInit = config.init.services.mealie;
+in {
+  options.services.mealie = {
+    enable = lib.mkEnableOption "mealie";
+    package = lib.mkPackageOption pkgs "mealie" {};
+    settings = lib.mkOption {
+      type = lib.types.submodule {
+        freeformType = with lib.types; attrsOf str;
+
+        options = {
+          PRODUCTION = lib.mkOption {
+            type = lib.types.str;
+            default = "true";
+          };
+
+          DATA_DIR = lib.mkOption {
+            type = with lib.types; nullOr str;
+            default = null;
+          };
+
+          DB_ENGINE = lib.mkOption {
+            type = with lib.types; nullOr str;
+            default = "sqlite";
+          };
+
+          ALEMBIC_CONFIG_FILE = lib.mkOption {
+            type = with lib.types; nullOr str;
+            default = "${cfg.package}/alembic.ini";
+          };
+        };
+      };
+
+      description = ''
+        Configuration of the Mealie service.
+
+        See [the Mealie documentation](https://nightly.mealie.io/documentation/getting-started/installation/backend-config/) for available options and default values.
+      '';
+      default = {};
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    init.services.mealie = {
+      enabled = true;
+      user = lib.mkDefault "mealie";
+      group = lib.mkDefault "mealie";
+
+      tmpfiles = with nglib.nottmpfiles.dsl; lib.optional (cfg.settings.DATA_DIR != null) (d "${cfg.settings.DATA_DIR}" "-" cfgInit.user cfgInit.group "-" _);
+
+      execStart =
+        pkgs.writeShellScript "mealie-run"
+        (let
+          # Mealie can only be configured via environmental variables.
+          # With this, we don't accidentally overwrite env variables set by the user.
+          extraEnvLines = lib.mapAttrsToList (key: value: ''export ${key}=''${${key}:=${value}}'') cfg.settings;
+        in ''
+          ${lib.concatStringsSep "\n" extraEnvLines}
+          ${cfg.package}/libexec/init_db
+
+          ${lib.getExe cfg.package} -b 0.0.0.0:8000
+        '');
+    };
+
+    environment.systemPackages = [cfg.package];
+
+    users.users.${cfgInit.user} = nglib.mkDefaultRec {
+      description = "mealie";
+      inherit (cfgInit) group;
+      createHome = false;
+      home = "/var/empty";
+      useDefaultShell = true;
+      uid = config.ids.uids.mealie;
+    };
+
+    users.groups.${cfgInit.group} = nglib.mkDefaultRec {gid = config.ids.gids.mealie;};
+  };
+}

nixng-modules/radarr.nix

@@ -35,7 +35,7 @@ in {
 
     users.users.${cfgInit.user} = lib.mkIf (cfgInit.user == "radarr") (nglib.mkDefaultRec {
       description = "radarr";
-      group = cfgInit.group;
+      inherit (cfgInit) group;
       createHome = false;
       home = "/var/empty";
       useDefaultShell = true;