System: Rename system/modules to system/systemmodules

system/systemmodules/docker/options.nix

@@ -0,0 +1,61 @@
+{
+  lib,
+  mylib,
+  ...
+}: {
+  enable = lib.mkEnableOption "Enable light virtualization using containers";
+
+  podman = lib.mkEnableOption "Use podman instead of docker";
+  docker.rootless = lib.mkEnableOption "Use rootless docker (no effect if podman is used)";
+  docker.buildkit = lib.mkEnableOption "Use Docker BuildKit (no effect if podman is used)";
+
+  networks = lib.mkOption {
+    type = lib.types.listOf (lib.types.submodule ({
+      lib,
+      mylib,
+      ...
+    }: {
+      options = {
+        name = lib.mkOption {
+          type = lib.types.str;
+          description = "The name of the docker/podman network";
+          example = "behind-nginx";
+        };
+
+        disable_masquerade = lib.mkEnableOption "Disable IP masquerading for this network";
+
+        ipv6 = {
+          enable = lib.mkEnableOption "Enable IPv6 for this network";
+
+          gateway = lib.mkOption {
+            type = lib.types.nullOr lib.types.str;
+            description = "The IPv6 gateway for this network";
+            example = "2000::1";
+            default = null;
+          };
+
+          subnet = lib.mkOption {
+            type = lib.types.nullOr lib.types.str;
+            description = "The IVv6 subnet mask for this network";
+            example = "2000::/80";
+            default = null;
+          };
+        };
+      };
+    }));
+    description = "Docker/Podman networks to create";
+    example = ''
+      {
+        behind-nginx = {
+          disable_masquerade = false;
+          ipv6 = {
+            enable = true;
+            gateway = "2000::1";
+            subnet = "2000::/80";
+          };
+        }
+      }
+    '';
+    default = [];
+  };
+}