Update multiversion-tutorial with latest changes

docs/book/src/multiversion-tutorial/testdata/project/Makefile

@@ -1,7 +1,7 @@
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
-ENVTEST_K8S_VERSION = 1.29.0
+ENVTEST_K8S_VERSION = 1.30.0
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -69,7 +69,7 @@ test-e2e:
 	go test ./test/e2e/ -v -ginkgo.v
 
 .PHONY: lint
-lint: golangci-lint ## Run golangci-lint linter & yamllint
+lint: golangci-lint ## Run golangci-lint linter
 	$(GOLANGCI_LINT) run
 
 .PHONY: lint-fix
@@ -108,10 +108,10 @@ PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
 docker-buildx: ## Build and push docker image for the manager for cross-platform support
 	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
 	sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
-	- $(CONTAINER_TOOL) buildx create --name project-v3-builder
-	$(CONTAINER_TOOL) buildx use project-v3-builder
+	- $(CONTAINER_TOOL) buildx create --name project-builder
+	$(CONTAINER_TOOL) buildx use project-builder
 	- $(CONTAINER_TOOL) buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross .
-	- $(CONTAINER_TOOL) buildx rm project-v3-builder
+	- $(CONTAINER_TOOL) buildx rm project-builder
 	rm Dockerfile.cross
 
 .PHONY: build-installer
@@ -158,9 +158,9 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest-$(ENVTEST_VERSION)
 GOLANGCI_LINT = $(LOCALBIN)/golangci-lint-$(GOLANGCI_LINT_VERSION)
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.3.0
-CONTROLLER_TOOLS_VERSION ?= v0.14.0
-ENVTEST_VERSION ?= release-0.17
+KUSTOMIZE_VERSION ?= v5.4.1
+CONTROLLER_TOOLS_VERSION ?= v0.15.0
+ENVTEST_VERSION ?= release-0.18
 GOLANGCI_LINT_VERSION ?= v1.57.2
 
 .PHONY: kustomize

docs/book/src/multiversion-tutorial/testdata/project/api/v1/groupversion_info.go

@@ -13,15 +13,6 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-// +kubebuilder:docs-gen:collapse=Apache License
-
-/*
-First, we have some *package-level* markers that denote that there are
-Kubernetes objects in this package, and that this package represents the group
-`batch.tutorial.kubebuilder.io`. The `object` generator makes use of the
-former, while the latter is used by the CRD generator to generate the right
-metadata for the CRDs it creates from this package.
-*/
 
 // Package v1 contains API Schema definitions for the batch v1 API group
 // +kubebuilder:object:generate=true
@@ -33,13 +24,6 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/scheme"
 )
 
-/*
-Then, we have the commonly useful variables that help us set up our Scheme.
-Since we need to use all the types in this package in our controller, it's
-helpful (and the convention) to have a convenient method to add all the types to
-some other `Scheme`. SchemeBuilder makes this easy for us.
-*/
-
 var (
 	// GroupVersion is group version used to register these objects
 	GroupVersion = schema.GroupVersion{Group: "batch.tutorial.kubebuilder.io", Version: "v1"}

docs/book/src/multiversion-tutorial/testdata/project/api/v1/webhook_suite_test.go

@@ -73,7 +73,7 @@ var _ = BeforeSuite(func() {
 		// Note that you must have the required binaries setup under the bin directory to perform
 		// the tests directly. When we run make test it will be setup and used automatically.
 		BinaryAssetsDirectory: filepath.Join("..", "..", "bin", "k8s",
-			fmt.Sprintf("1.29.0-%s-%s", runtime.GOOS, runtime.GOARCH)),
+			fmt.Sprintf("1.30.0-%s-%s", runtime.GOOS, runtime.GOARCH)),
 
 		WebhookInstallOptions: envtest.WebhookInstallOptions{
 			Paths: []string{filepath.Join("..", "..", "config", "webhook")},

docs/book/src/multiversion-tutorial/testdata/project/api/v2/cronjob_webhook.go

@@ -33,7 +33,7 @@ import (
 // log is for logging in this package.
 var cronjoblog = logf.Log.WithName("cronjob-resource")
 
-// SetupWebhookWithManager sets up the webhooks with the manager
+// SetupWebhookWithManager will setup the manager to manage the webhooks
 func (r *CronJob) SetupWebhookWithManager(mgr ctrl.Manager) error {
 	return ctrl.NewWebhookManagedBy(mgr).
 		For(r).

docs/book/src/multiversion-tutorial/testdata/project/api/v2/webhook_suite_test.go

@@ -73,7 +73,7 @@ var _ = BeforeSuite(func() {
 		// Note that you must have the required binaries setup under the bin directory to perform
 		// the tests directly. When we run make test it will be setup and used automatically.
 		BinaryAssetsDirectory: filepath.Join("..", "..", "bin", "k8s",
-			fmt.Sprintf("1.29.0-%s-%s", runtime.GOOS, runtime.GOARCH)),
+			fmt.Sprintf("1.30.0-%s-%s", runtime.GOOS, runtime.GOARCH)),
 
 		WebhookInstallOptions: envtest.WebhookInstallOptions{
 			Paths: []string{filepath.Join("..", "..", "config", "webhook")},

docs/book/src/multiversion-tutorial/testdata/project/cmd/main.go

@@ -71,7 +71,8 @@ func main() {
 	var probeAddr string
 	var secureMetrics bool
 	var enableHTTP2 bool
-	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
+	flag.StringVar(&metricsAddr, "metrics-bind-address", "0", "The address the metric endpoint binds to. "+
+		"Use the port :8080. If not set, it will be 0 in order to disable the metrics server")
 	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
 		"Enable leader election for controller manager. "+