Initial commit

* SSL works
* LDAP not implemented
* SSO not implemented (poorly supported)

flake.nix

@@ -46,6 +46,7 @@
         modules/services/jellyfin.nix
         modules/services/nextcloud-server.nix
         modules/services/vaultwarden.nix
+        modules/services/grocy.nix
       ];
     in
       {

modules/services/grocy.nix

@@ -0,0 +1,106 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.shb.grocy;
+
+  contracts = pkgs.callPackage ../contracts {};
+
+  fqdn = "${cfg.subdomain}.${cfg.domain}";
+in
+{
+  options.shb.grocy = {
+    enable = lib.mkEnableOption "selfhostblocks.grocy";
+
+    subdomain = lib.mkOption {
+      type = lib.types.str;
+      description = "Subdomain under which grocy will be served.";
+      example = "grocy";
+    };
+
+    domain = lib.mkOption {
+      type = lib.types.str;
+      description = "domain under which grocy will be served.";
+      example = "mydomain.com";
+    };
+
+    dataDir = lib.mkOption {
+      description = "Folder where Grocy will store all its data.";
+      type = lib.types.str;
+      default = "/var/lib/grocy";
+    };
+
+    currency = lib.mkOption {
+      type = lib.types.str;
+      description = "ISO 4217 code for the currency to display.";
+      default = "USD";
+      example = "NOK";
+    };
+
+    culture = lib.mkOption {
+      type = lib.types.enum [ "de" "en" "da" "en_GB" "es" "fr" "hu" "it" "nl" "no" "pl" "pt_BR" "ru" "sk_SK" "sv_SE" "tr" ];
+      default = "en";
+      description = lib.mdDoc ''
+        Display language of the frontend.
+      '';
+    };
+
+    ssl = lib.mkOption {
+      description = "Path to SSL files";
+      type = lib.types.nullOr contracts.ssl.certs;
+      default = null;
+    };
+
+    extraServiceConfig = lib.mkOption {
+      type = lib.types.attrsOf lib.types.str;
+      description = "Extra configuration given to the systemd service file.";
+      default = {};
+      example = lib.literalExpression ''
+      {
+        MemoryHigh = "512M";
+        MemoryMax = "900M";
+      }
+      '';
+    };
+
+    logLevel = lib.mkOption {
+      type = lib.types.nullOr (lib.types.enum ["critical" "error" "warning" "info" "debug"]);
+      description = "Enable logging.";
+      default = false;
+      example = true;
+    };
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [{
+
+    services.grocy = {
+      enable = true;
+      hostName = fqdn;
+      nginx.enableSSL = !(isNull cfg.ssl);
+      dataDir = cfg.dataDir;
+      settings.currency = cfg.currency;
+      settings.culture = cfg.culture;
+    };
+
+    services.phpfpm.pools.grocy.group = lib.mkForce "grocy";
+
+    users.groups.grocy = {};
+    users.users.grocy.group = lib.mkForce "grocy";
+
+    services.nginx.virtualHosts."${fqdn}" = {
+      enableACME = lib.mkForce false;
+      sslCertificate = lib.mkIf (!(isNull cfg.ssl)) cfg.ssl.paths.cert;
+      sslCertificateKey = lib.mkIf (!(isNull cfg.ssl)) cfg.ssl.paths.key;
+    };
+
+    # We backup the whole grocy directory and set permissions for the backup user accordingly.
+    users.groups.grocy.members = [ "backup" ];
+    users.groups.media.members = [ "backup" ];
+    shb.backup.instances.grocy = {
+      sourceDirectories = [
+        config.services.grocy.dataDir
+      ];
+    };
+  } {
+    systemd.services.grocyd.serviceConfig = cfg.extraServiceConfig;
+  }]);
+}