⚠️ remove kustomize/v1, go/v2 and go/v3, and configurations for Proje…

…ct Config v2 related to legacy Kubebuilder CLI version < 3 (#3763)

⚠️ remove kustomize/v1, go/v2 and go/v3configurations as Project Config v2 from legacy Kubebuilder CLI version < 3

cmd/main.go

@@ -20,19 +20,15 @@ import (
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/afero"
 	"sigs.k8s.io/kubebuilder/v3/pkg/cli"
-	cfgv2 "sigs.k8s.io/kubebuilder/v3/pkg/config/v2"
 	cfgv3 "sigs.k8s.io/kubebuilder/v3/pkg/config/v3"
 	"sigs.k8s.io/kubebuilder/v3/pkg/machinery"
 	"sigs.k8s.io/kubebuilder/v3/pkg/plugin"
-	kustomizecommonv1 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v1"
-	kustomizecommonv2alpha "sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v2"
+	kustomizecommonv2 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v2"
 	"sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang"
 
 	//nolint:staticcheck
 	declarativev1 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang/declarative/v1"
 	deployimagev1alpha1 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang/deploy-image/v1alpha1"
-	golangv2 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang/v2"
-	golangv3 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang/v3"
 	golangv4 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/golang/v4"
 	grafanav1alpha1 "sigs.k8s.io/kubebuilder/v3/pkg/plugins/optional/grafana/v1alpha"
 )
@@ -43,24 +39,10 @@ func init() {
 }
 
 func main() {
-
-	const deprecateMessageGoV3Bundle = "This version is deprecated." +
-		"The `go/v3` cannot scaffold projects using kustomize versions v4x+" +
-		" and cannot fully support Kubernetes 1.25+." +
-		"It is recommended to upgrade your project to the latest versions available (go/v4)." +
-		"Please, check the migration guide to learn how to upgrade your project"
-
-	// Bundle plugin which built the golang projects scaffold by Kubebuilder go/v3
-	gov3Bundle, _ := plugin.NewBundleWithOptions(plugin.WithName(golang.DefaultNameQualifier),
-		plugin.WithVersion(plugin.Version{Number: 3}),
-		plugin.WithDeprecationMessage(deprecateMessageGoV3Bundle),
-		plugin.WithPlugins(kustomizecommonv1.Plugin{}, golangv3.Plugin{}),
-	)
-
-	// Bundle plugin which built the golang projects scaffold by Kubebuilder go/v4 with kustomize alpha-v2
+	// Bundle plugin which built the golang projects scaffold by Kubebuilder go/v4 with kustomize v2
 	gov4Bundle, _ := plugin.NewBundleWithOptions(plugin.WithName(golang.DefaultNameQualifier),
 		plugin.WithVersion(plugin.Version{Number: 4}),
-		plugin.WithPlugins(kustomizecommonv2alpha.Plugin{}, golangv4.Plugin{}),
+		plugin.WithPlugins(kustomizecommonv2.Plugin{}, golangv4.Plugin{}),
 	)
 
 	fs := machinery.Filesystem{
@@ -75,19 +57,14 @@ func main() {
 		cli.WithCommandName("kubebuilder"),
 		cli.WithVersion(versionString()),
 		cli.WithPlugins(
-			golangv2.Plugin{},
-			golangv3.Plugin{},
 			golangv4.Plugin{},
-			gov3Bundle,
 			gov4Bundle,
-			&kustomizecommonv1.Plugin{},
-			&kustomizecommonv2alpha.Plugin{},
+			&kustomizecommonv2.Plugin{},
 			&declarativev1.Plugin{},
 			&deployimagev1alpha1.Plugin{},
 			&grafanav1alpha1.Plugin{},
 		),
 		cli.WithPlugins(externalPlugins...),
-		cli.WithDefaultPlugins(cfgv2.Version, golangv2.Plugin{}),
 		cli.WithDefaultPlugins(cfgv3.Version, gov4Bundle),
 		cli.WithDefaultProjectVersion(cfgv3.Version),
 		cli.WithCompletion(),

docs/book/src/SUMMARY.md

@@ -114,16 +114,13 @@
 
   - [Available Plugins](./plugins/available-plugins.md)
     - [To scaffold a project](./plugins/to-scaffold-project.md)
-      - [go/v2 (Deprecated)](./plugins/go-v2-plugin.md)
-      - [go/v3 (Deprecated)](./plugins/go-v3-plugin.md)
       - [go/v4 (Default init scaffold)](./plugins/go-v4-plugin.md)
     - [To add optional features](./plugins/to-add-optional-features.md)
       - [declarative/v1 (Deprecated)](./plugins/declarative-v1.md)
       - [grafana/v1-alpha](./plugins/grafana-v1-alpha.md)
       - [deploy-image/v1-alpha](./plugins/deploy-image-plugin-v1-alpha.md)
     - [To be extended for others tools](./plugins/to-be-extended.md)
-      - [kustomize/v1 (Deprecated)](./plugins/kustomize-v1.md)
-      - [kustomize/v2](./plugins/kustomize-v2.md)
+      - [kustomize/v2 (Default init scaffold with go/v4)](./plugins/kustomize-v2.md)
   - [Extending the CLI](./plugins/extending-cli.md)
   - [Creating your own plugins](./plugins/creating-plugins.md)
   - [Testing your own plugins](./plugins/testing-plugins.md)

docs/book/src/plugins/to-scaffold-project.md

@@ -2,8 +2,6 @@
 
 The following plugins are useful to scaffold the whole project with the tool.
 
-| Plugin                                                                             | Key                  | Description                                                                                                                                                                                                                                  |
-| ---------------------------------------------------------------------------------- | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| [go.kubebuilder.io/v2 - (Deprecated)](go-v2-plugin.md)                             | `go/v2`              | Golang plugin responsible for scaffolding the legacy layout provided with Kubebuilder CLI >= `2.0.0` and < `3.0.0`.                                                                                                                          |
-| [go.kubebuilder.io/v3 - (Default scaffold with Kubebuilder init)](go-v3-plugin.md) | `go/v3`              | Default scaffold used for creating a project when no plugin(s) are provided. Responsible for scaffolding Golang projects and its configurations.                                                                                             |
-| [go.kubebuilder.io/v4-alpha - (Add Apple Silicon Support)](go-v4-plugin.md)       | `go/v4`              | Scaffold composite by `base.go.kubebuilder.io/v3` and [kustomize.common.kubebuilder.io/v2](kustomize-v2.md). Responsible for scaffolding Golang projects and its configurations.                                                                                             |
+| Plugin                                                                             | Key     | Description                                                                                                                                                                      |
+|------------------------------------------------------------------------------------|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| [go.kubebuilder.io/v4 - (Default scaffold with Kubebuilder init)](go-v4-plugin.md)        | `go/v4` | Scaffold composite by `base.go.kubebuilder.io/v4` and [kustomize.common.kubebuilder.io/v2](kustomize-v2.md). Responsible for scaffolding Golang projects and its configurations. |