feat: refactor kubenix.k8s-submodule to kubenix.all module

modules/all.nix

@@ -0,0 +1,71 @@
+{ config, lib, kubenix, ... }:
+
+with lib;
+
+let
+  parentConfig = config;
+in {
+  imports = with kubenix; [ submodules k8s docker ];
+
+  options = {
+    kubenix.release = mkOption {
+      description = "Name of the release";
+      type = types.str;
+      default = "default";
+    };
+
+    kubernetes.propagateDefaults = mkOption {
+      description = "Whether to propagate child defaults to submodules";
+      type = types.bool;
+      default = true;
+    };
+
+    submodules.instances = mkOption {
+       type = types.attrsOf (types.submodule ({config, ...}: {
+        options = {
+          namespace = mkOption {
+            description = "Default kubernetes namespace";
+            type = types.str;
+            default = "default";
+          };
+        };
+
+        config.config = {
+          kubernetes.api.defaults = [{
+            default.metadata.namespace = mkDefault config.namespace;
+          }];
+        };
+      }));
+    };
+  };
+
+  config = {
+    submodules.defaults = [{
+      default = {
+        imports = [ kubenix.all ];
+        kubernetes.version = mkDefault config.kubernetes.version;
+        kubernetes.api.defaults =
+          mkIf config.kubernetes.propagateDefaults config.kubernetes.api.defaults;
+      };
+    } {
+      default = ({config, ...}: {
+        kubenix.release = parentConfig.kubenix.release;
+        kubernetes.api.defaults = [{
+          default.metadata.labels = {
+            "kubenix/module-name" = config.submodule.name;
+            "kubenix/module-version" = config.submodule.version;
+            "kubenix/release" = config.kubenix.release;
+          };
+        }];
+      });
+    }];
+
+    kubernetes.objects = mkMerge (mapAttrsToList (_: submodule:
+      submodule.config.kubernetes.objects
+    ) config.submodules.instances);
+
+    docker.push = mkMerge (mapAttrsToList (_: submodule:
+      submodule.config.docker.push
+    ) config.submodules.instances);
+  };
+}

modules/default.nix

@@ -1,9 +1,9 @@
 {
   submodules = ./submodules.nix;
   k8s = ./k8s;
-  k8s-submodules = ./k8s/submodule.nix;
   istio = ./istio;
   testing = ./testing;
   helm = ./helm;
   docker = ./docker;
+  all = ./all.nix;
 }

modules/submodules.nix

@@ -191,6 +191,7 @@ in {
 
     submodules.instances = mkOption {
       description = "Attribute set of submodule instances";
+      default = {};
       type = types.attrsOf (types.submodule ({name, config, ...}: let
         # submodule associated with
         submodule = findSubmodule {