⚠️ 🐛 (API) fix deprecate interface to allow bundle plugin has depreca…

…tion message (kubernetes-sigs#3276)

cmd/main.go

@@ -39,13 +39,22 @@ import (
 
 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.NewBundle(golang.DefaultNameQualifier, plugin.Version{Number: 3},
+		deprecateMessageGoV3Bundle,
 		kustomizecommonv1.Plugin{},
 		golangv3.Plugin{},
 	)
+
 	// Bundle plugin which built the golang projects scaffold by Kubebuilder go/v4 with kustomize alpha-v2
 	gov4Bundle, _ := plugin.NewBundle(golang.DefaultNameQualifier, plugin.Version{Number: 4},
+		"",
 		kustomizecommonv2alpha.Plugin{},
 		golangv4.Plugin{},
 	)

pkg/cli/cli.go

@@ -443,8 +443,8 @@ func (c *CLI) addExtraCommands() error {
 // printDeprecationWarnings prints the deprecation warnings of the resolved plugins.
 func (c CLI) printDeprecationWarnings() {
 	for _, p := range c.resolvedPlugins {
-		if d, isDeprecated := p.(plugin.Deprecated); isDeprecated {
-			fmt.Printf(noticeColor, fmt.Sprintf(deprecationFmt, d.DeprecationWarning()))
+		if p != nil && p.(plugin.Deprecated) != nil && len(p.(plugin.Deprecated).DeprecationWarning()) > 0 {
+			fmt.Printf(noticeColor, fmt.Sprintf(deprecationFmt, p.(plugin.Deprecated).DeprecationWarning()))
 		}
 	}
 }

pkg/plugin/bundle.go

@@ -28,11 +28,12 @@ type bundle struct {
 	plugins []Plugin
 
 	supportedProjectVersions []config.Version
+	deprecateWarning         string
 }
 
 // NewBundle creates a new Bundle with the provided name and version, and that wraps the provided plugins.
 // The list of supported project versions is computed from the provided plugins.
-func NewBundle(name string, version Version, plugins ...Plugin) (Bundle, error) {
+func NewBundle(name string, version Version, deprecateWarning string, plugins ...Plugin) (Bundle, error) {
 	supportedProjectVersions := CommonSupportedProjectVersions(plugins...)
 	if len(supportedProjectVersions) == 0 {
 		return nil, fmt.Errorf("in order to bundle plugins, they must all support at least one common project version")
@@ -55,6 +56,7 @@ func NewBundle(name string, version Version, plugins ...Plugin) (Bundle, error)
 		version:                  version,
 		plugins:                  allPlugins,
 		supportedProjectVersions: supportedProjectVersions,
+		deprecateWarning:         deprecateWarning,
 	}, nil
 }
 
@@ -77,3 +79,8 @@ func (b bundle) SupportedProjectVersions() []config.Version {
 func (b bundle) Plugins() []Plugin {
 	return b.plugins
 }
+
+// Plugins implements Bundle
+func (b bundle) DeprecationWarning() string {
+	return b.deprecateWarning
+}

pkg/plugin/bundle_test.go

@@ -67,7 +67,7 @@ var _ = Describe("Bundle", func() {
 				{p1, p2, p3},
 				{p1, p3, p4},
 			} {
-				b, err := NewBundle(name, version, plugins...)
+				b, err := NewBundle(name, version, "", plugins...)
 				Expect(err).NotTo(HaveOccurred())
 				Expect(b.Name()).To(Equal(name))
 				Expect(b.Version().Compare(version)).To(Equal(0))
@@ -88,9 +88,9 @@ var _ = Describe("Bundle", func() {
 			var a, b Bundle
 			var err error
 			plugins := []Plugin{p1, p2, p3}
-			a, err = NewBundle("a", version, p1, p2)
+			a, err = NewBundle("a", version, "", p1, p2)
 			Expect(err).NotTo(HaveOccurred())
-			b, err = NewBundle("b", version, a, p3)
+			b, err = NewBundle("b", version, "", a, p3)
 			Expect(err).NotTo(HaveOccurred())
 			versions := b.SupportedProjectVersions()
 			sort.Slice(versions, func(i int, j int) bool {
@@ -113,7 +113,7 @@ var _ = Describe("Bundle", func() {
 
 				{p1, p2, p3, p4},
 			} {
-				_, err := NewBundle(name, version, plugins...)
+				_, err := NewBundle(name, version, "", plugins...)
 				Expect(err).To(HaveOccurred())
 			}
 		})

pkg/plugins/common/kustomize/v2/plugin.go

@@ -66,3 +66,7 @@ func (p Plugin) GetCreateAPISubcommand() plugin.CreateAPISubcommand { return &p.
 func (p Plugin) GetCreateWebhookSubcommand() plugin.CreateWebhookSubcommand {
 	return &p.createWebhookSubcommand
 }
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}

pkg/plugins/external/plugin.go

@@ -73,3 +73,7 @@ func (p Plugin) GetEditSubcommand() plugin.EditSubcommand {
 		Args: p.Args,
 	}
 }
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}

pkg/plugins/golang/declarative/v1/plugin.go

@@ -59,3 +59,7 @@ func (p Plugin) GetCreateAPISubcommand() plugin.CreateAPISubcommand { return &p.
 type pluginConfig struct {
 	Resources []resource.GVK `json:"resources,omitempty"`
 }
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}

pkg/plugins/golang/deploy-image/v1alpha1/plugin.go

@@ -69,3 +69,7 @@ type options struct {
 	ContainerPort    string `json:"containerPort,omitempty"`
 	RunAsUser        string `json:"runAsUser,omitempty"`
 }
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}

pkg/plugins/golang/v4/plugin.go

@@ -63,3 +63,7 @@ func (p Plugin) GetCreateWebhookSubcommand() plugin.CreateWebhookSubcommand {
 
 // GetEditSubcommand will return the subcommand which is responsible for editing the scaffold of the project
 func (p Plugin) GetEditSubcommand() plugin.EditSubcommand { return &p.editSubcommand }
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}

pkg/plugins/optional/grafana/v1alpha/plugin.go

@@ -58,3 +58,7 @@ func (p Plugin) GetInitSubcommand() plugin.InitSubcommand { return &p.initSubcom
 func (p Plugin) GetEditSubcommand() plugin.EditSubcommand { return &p.editSubcommand }
 
 type pluginConfig struct{}
+
+func (p Plugin) DeprecationWarning() string {
+	return ""
+}