Move web-service-modules into a separate directory

modules/system/webServices/victorialogs.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  pkgs-unstable,
+  lib,
+  ...
+}:
+let
+  cfg = config.custom.services.victorialogs;
+in
+{
+  options.custom.services.victorialogs = {
+    enable = lib.mkEnableOption "";
+    domain = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 9428;
+    };
+    maxDiskSpaceUsage = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "10GiB";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    warnings = lib.optional (lib.versionAtLeast lib.version "25.11") "TODO: Use victorialogs package from stable nixpkgs";
+
+    meta = {
+      domains.list = [ cfg.domain ];
+      ports.tcp.list = [ cfg.port ];
+    };
+
+    users = {
+      users.victorialogs = {
+        isSystemUser = true;
+        group = config.users.groups.victoriametrics.name;
+      };
+      groups.victorialogs = { };
+    };
+
+    systemd.services.victorialogs.serviceConfig = {
+      DynamicUser = lib.mkForce false;
+      User = config.users.users.victorialogs.name;
+      Group = config.users.groups.victorialogs.name;
+    };
+
+    services.victorialogs = {
+      enable = true;
+      # The victorialogs grafana-dashboard expects the version label to have the format `victoria-logs-*`
+      package = pkgs-unstable.victorialogs.overrideAttrs (
+        _: previousAttrs: {
+          version = "victoria-logs-${previousAttrs.version}";
+          __intentionallyOverridingVersion = true;
+        }
+      );
+      listenAddress = "localhost:${toString cfg.port}";
+      extraOptions = [ "-retention.maxDiskSpaceUsageBytes=${cfg.maxDiskSpaceUsage}" ];
+    };
+
+    custom.persist.directories = [ "/var/lib/${config.services.victorialogs.stateDir}" ];
+  };
+}