nixos/modules: Remove all usages of types.string

And replace them with a more appropriate type

Also fix up some minor module problems along the way

nixos/modules/virtualisation/anbox.nix

@@ -56,7 +56,7 @@ in
 
       dns = mkOption {
         default = "1.1.1.1";
-        type = types.string;
+        type = types.str;
         description = ''
           Container DNS server.
         '';

nixos/modules/virtualisation/containers.nix

@@ -337,7 +337,7 @@ let
 
   networkOptions = {
     hostBridge = mkOption {
-      type = types.nullOr types.string;
+      type = types.nullOr types.str;
       default = null;
       example = "br0";
       description = ''
@@ -387,7 +387,7 @@ let
     };
 
     hostAddress6 = mkOption {
-      type = types.nullOr types.string;
+      type = types.nullOr types.str;
       default = null;
       example = "fc00::1";
       description = ''
@@ -409,7 +409,7 @@ let
     };
 
     localAddress6 = mkOption {
-      type = types.nullOr types.string;
+      type = types.nullOr types.str;
       default = null;
       example = "fc00::2";
       description = ''
@@ -565,7 +565,7 @@ in
             };
 
             interfaces = mkOption {
-              type = types.listOf types.string;
+              type = types.listOf types.str;
               default = [];
               example = [ "eth1" "eth2" ];
               description = ''

nixos/modules/virtualisation/kvmgt.nix

@@ -9,7 +9,7 @@ let
 
   vgpuOptions = {
     uuid = mkOption {
-      type = types.string;
+      type = types.str;
       description = "UUID of VGPU device. You can generate one with <package>libossp_uuid</package>.";
     };
   };
@@ -23,7 +23,7 @@ in {
       '';
       # multi GPU support is under the question
       device = mkOption {
-        type = types.string;
+        type = types.str;
         default = "0000:00:02.0";
         description = "PCI ID of graphics card. You can figure it with <command>ls /sys/class/mdev_bus</command>.";
       };

nixos/modules/virtualisation/xen-dom0.nix

@@ -119,7 +119,7 @@ in
 
     virtualisation.xen.domains = {
         extraConfig = mkOption {
-          type = types.string;
+          type = types.lines;
           default = "";
           description =
             ''