🌱 Prepare main branch for v1.6 development

Makefile

@@ -508,7 +508,7 @@ generate-doctoc:
 	TRACE=$(TRACE) ./hack/generate-doctoc.sh
 
 .PHONY: generate-e2e-templates
-generate-e2e-templates: $(KUSTOMIZE) $(addprefix generate-e2e-templates-, v1.0 v1.3 v1.4 main) ## Generate cluster templates for all versions
+generate-e2e-templates: $(KUSTOMIZE) $(addprefix generate-e2e-templates-, v1.0 v1.4 v1.5 main) ## Generate cluster templates for all versions
 
 DOCKER_TEMPLATES := test/e2e/data/infrastructure-docker
 INMEMORY_TEMPLATES := test/e2e/data/infrastructure-inmemory
@@ -517,16 +517,16 @@ INMEMORY_TEMPLATES := test/e2e/data/infrastructure-inmemory
 generate-e2e-templates-v1.0: $(KUSTOMIZE)
 	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.0/cluster-template --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.0/cluster-template.yaml
 
-.PHONY: generate-e2e-templates-v1.3
-generate-e2e-templates-v1.3: $(KUSTOMIZE)
-	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.3/cluster-template --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.3/cluster-template.yaml
-	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.3/cluster-template-topology --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.3/cluster-template-topology.yaml
-
 .PHONY: generate-e2e-templates-v1.4
 generate-e2e-templates-v1.4: $(KUSTOMIZE)
 	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.4/cluster-template --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.4/cluster-template.yaml
 	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.4/cluster-template-topology --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.4/cluster-template-topology.yaml
 
+.PHONY: generate-e2e-templates-v1.5
+generate-e2e-templates-v1.5: $(KUSTOMIZE)
+	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.5/cluster-template --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.5/cluster-template.yaml
+	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/v1.5/cluster-template-topology --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/v1.5/cluster-template-topology.yaml
+
 .PHONY: generate-e2e-templates-main
 generate-e2e-templates-main: $(KUSTOMIZE)
 	$(KUSTOMIZE) build $(DOCKER_TEMPLATES)/main/cluster-template --load-restrictor LoadRestrictionsNone > $(DOCKER_TEMPLATES)/main/cluster-template.yaml

cmd/clusterctl/hack/create-local-repository.py

@@ -52,36 +52,36 @@
 providers = {
     'cluster-api': {
         'componentsFile': 'core-components.yaml',
-        'nextVersion': 'v1.5.99',
+        'nextVersion': 'v1.6.99',
         'type': 'CoreProvider',
     },
     'bootstrap-kubeadm': {
         'componentsFile': 'bootstrap-components.yaml',
-        'nextVersion': 'v1.5.99',
+        'nextVersion': 'v1.6.99',
         'type': 'BootstrapProvider',
         'configFolder': 'bootstrap/kubeadm/config/default',
     },
     'control-plane-kubeadm': {
         'componentsFile': 'control-plane-components.yaml',
-        'nextVersion': 'v1.5.99',
+        'nextVersion': 'v1.6.99',
         'type': 'ControlPlaneProvider',
         'configFolder': 'controlplane/kubeadm/config/default',
     },
     'infrastructure-docker': {
         'componentsFile': 'infrastructure-components.yaml',
-        'nextVersion': 'v1.5.99',
+        'nextVersion': 'v1.6.99',
         'type': 'InfrastructureProvider',
         'configFolder': 'test/infrastructure/docker/config/default',
     },
     'infrastructure-in-memory': {
           'componentsFile': 'infrastructure-components.yaml',
-          'nextVersion': 'v1.5.99',
+          'nextVersion': 'v1.6.99',
           'type': 'InfrastructureProvider',
           'configFolder': 'test/infrastructure/inmemory/config/default',
       },
       'runtime-extension-test': {
         'componentsFile': 'runtime-extension-components.yaml',
-        'nextVersion': 'v1.5.99',
+        'nextVersion': 'v1.6.99',
         'type': 'RuntimeExtensionProvider',
         'configFolder': 'test/extension/config/default',
     },

docs/release/release-tasks.md

@@ -108,7 +108,8 @@ This comes down to changing occurrences of the old version to the new version, e
       1. Create a new `v1.4` `metadata.yaml` (`test/e2e/data/shared/v1.4/metadata.yaml`) by copying
    `test/e2e/data/shared/main/metadata.yaml`
       2. Add the new release to the main `metadata.yaml` (`test/e2e/data/shared/main/metadata.yaml`).
-      3. Remove old `metadata.yaml`'s that are not used anymore in clusterctl upgrade tests.
+      3. Add the new release to the root level `metadata.yaml`
+      4. Remove old `metadata.yaml`'s that are not used anymore in clusterctl upgrade tests.
    4. Adjust cluster templates in `test/e2e/data/infrastructure-docker`:
       1. Create a new `v1.4` folder. It should be created based on the `main` folder and only contain the templates
          we use in the clusterctl upgrade tests (as of today `cluster-template` and `cluster-template-topology`).
@@ -119,8 +120,8 @@ This comes down to changing occurrences of the old version to the new version, e
 3. Make sure all tests are green (also run `pull-cluster-api-e2e-full-main` and `pull-cluster-api-e2e-workload-upgrade-1-23-latest-main`).
 
 Prior art: 
-- 1.3 - https://github.com/kubernetes-sigs/cluster-api/pull/6834/files
 - 1.4 - https://github.com/kubernetes-sigs/cluster-api/pull/7692/files
+- 1.5 - https://github.com/kubernetes-sigs/cluster-api/pull/8430/files
 
 #### Create a new GitHub milestone for the next release
 

hack/tools/internal/tilt-prepare/main.go

@@ -70,7 +70,7 @@ const (
 
 var (
 	// Defines the default version to be used for the provider CR if no version is specified in the tilt-provider.yaml|json file.
-	defaultProviderVersion = "v1.5.99"
+	defaultProviderVersion = "v1.6.99"
 
 	// This data struct mirrors a subset of info from the providers struct in the tilt file
 	// which is containing "hard-coded" tilt-provider.yaml files for the providers managed in the Cluster API repository.

metadata.yaml

@@ -6,6 +6,9 @@
 apiVersion: clusterctl.cluster.x-k8s.io/v1alpha3
 kind: Metadata
 releaseSeries:
+  - major: 1
+    minor: 6
+    contract: v1beta1
   - major: 1
     minor: 5
     contract: v1beta1

test/e2e/clusterctl_upgrade.go

@@ -29,9 +29,11 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 	corev1 "k8s.io/api/core/v1"
+	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/client-go/discovery"
 	"k8s.io/klog/v2"
@@ -334,6 +336,11 @@ func ClusterctlUpgradeSpec(ctx context.Context, inputGetter func() ClusterctlUpg
 
 		By("THE MANAGEMENT CLUSTER WITH THE OLDER VERSION OF PROVIDERS IS UP&RUNNING!")
 
+		machineCRD := &apiextensionsv1.CustomResourceDefinition{}
+		if err := managementClusterProxy.GetClient().Get(ctx, client.ObjectKey{Name: "machines.cluster.x-k8s.io"}, machineCRD); err != nil {
+			Expect(err).ToNot(HaveOccurred(), "failed to retrieve a machine CRD")
+		}
+
 		Byf("Creating a namespace for hosting the %s test workload cluster", specName)
 		testNamespace, testCancelWatches = framework.CreateNamespaceAndWatchEvents(ctx, framework.CreateNamespaceAndWatchEventsInput{
 			Creator:   managementClusterProxy.GetClient(),
@@ -387,13 +394,34 @@ func ClusterctlUpgradeSpec(ctx context.Context, inputGetter func() ClusterctlUpg
 			input.PreWaitForCluster(managementClusterProxy, testNamespace.Name, workLoadClusterName)
 		}
 
+		// Build GroupVersionKind for Machine resources
+		machineListGVK := schema.GroupVersionKind{
+			Group: machineCRD.Spec.Group,
+			Kind:  machineCRD.Spec.Names.ListKind,
+		}
+
+		// Pick the storage version
+		for _, version := range machineCRD.Spec.Versions {
+			if version.Storage {
+				machineListGVK.Version = version.Name
+				break
+			}
+		}
+
 		By("Waiting for the machines to exist")
 		Eventually(func() (int64, error) {
 			var n int64
-			machineList := &clusterv1alpha3.MachineList{}
-			if err := managementClusterProxy.GetClient().List(ctx, machineList, client.InNamespace(testNamespace.Name), client.MatchingLabels{clusterv1.ClusterNameLabel: workLoadClusterName}); err == nil {
-				for _, machine := range machineList.Items {
-					if machine.Status.NodeRef != nil {
+			machineList := &unstructured.UnstructuredList{}
+			machineList.SetGroupVersionKind(machineListGVK)
+			if err := managementClusterProxy.GetClient().List(
+				ctx,
+				machineList,
+				client.InNamespace(testNamespace.Name),
+				client.MatchingLabels{clusterv1.ClusterNameLabel: workLoadClusterName},
+			); err == nil {
+				for _, m := range machineList.Items {
+					_, found, err := unstructured.NestedMap(m.Object, "status", "nodeRef")
+					if err == nil && found {
 						n++
 					}
 				}
@@ -411,7 +439,7 @@ func ClusterctlUpgradeSpec(ctx context.Context, inputGetter func() ClusterctlUpg
 		// Get the workloadCluster before the management cluster is upgraded to make sure that the upgrade did not trigger
 		// any unexpected rollouts.
 		preUpgradeMachineList := &unstructured.UnstructuredList{}
-		preUpgradeMachineList.SetGroupVersionKind(clusterv1alpha3.GroupVersion.WithKind("MachineList"))
+		preUpgradeMachineList.SetGroupVersionKind(machineListGVK)
 		err = managementClusterProxy.GetClient().List(
 			ctx,
 			preUpgradeMachineList,

test/e2e/clusterctl_upgrade_test.go

@@ -66,7 +66,7 @@ var _ = Describe("When testing clusterctl upgrades (v1.0=>current)", func() {
 	})
 })
 
-var _ = Describe("When testing clusterctl upgrades (v1.3=>current)", func() {
+var _ = Describe("When testing clusterctl upgrades (v1.4=>current)", func() {
 	ClusterctlUpgradeSpec(ctx, func() ClusterctlUpgradeSpecInput {
 		return ClusterctlUpgradeSpecInput{
 			E2EConfig:              e2eConfig,
@@ -75,21 +75,17 @@ var _ = Describe("When testing clusterctl upgrades (v1.3=>current)", func() {
 			ArtifactFolder:         artifactFolder,
 			SkipCleanup:            skipCleanup,
 			InfrastructureProvider: pointer.String("docker"),
-			InitWithBinary:         "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.3.6/clusterctl-{OS}-{ARCH}",
+			InitWithBinary:         "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.4.5/clusterctl-{OS}-{ARCH}",
 			// We have to pin the providers because with `InitWithProvidersContract` the test would
-			// use the latest version for the contract (which is v1.4.X for v1beta1).
-			InitWithCoreProvider:            "cluster-api:v1.3.6",
-			InitWithBootstrapProviders:      []string{"kubeadm:v1.3.6"},
-			InitWithControlPlaneProviders:   []string{"kubeadm:v1.3.6"},
-			InitWithInfrastructureProviders: []string{"docker:v1.3.6"},
-			// We have to set this to an empty array as clusterctl v1.3 doesn't support
-			// runtime extension providers. If we don't do this the test will automatically
-			// try to deploy the latest version of our test-extension from docker.yaml.
-			InitWithRuntimeExtensionProviders: []string{},
-			InitWithProvidersContract:         "v1beta1",
-			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/data/infrastructure-docker/v1.3/bases.
-			InitWithKubernetesVersion: "v1.26.4",
-			WorkloadKubernetesVersion: "v1.26.4",
+			// use the latest version for the contract (which is v1.5.X for v1beta1).
+			InitWithCoreProvider:            "cluster-api:v1.4.5",
+			InitWithBootstrapProviders:      []string{"kubeadm:v1.4.5"},
+			InitWithControlPlaneProviders:   []string{"kubeadm:v1.4.5"},
+			InitWithInfrastructureProviders: []string{"docker:v1.4.5"},
+			InitWithProvidersContract:       "v1beta1",
+			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/e2e/data/infrastructure-docker/v1.4/bases.
+			InitWithKubernetesVersion: "v1.27.3",
+			WorkloadKubernetesVersion: "v1.27.3",
 			MgmtFlavor:                "topology",
 			WorkloadFlavor:            "",
 			// This check ensures that ownerReference apiVersions are updated for all types after the upgrade.
@@ -107,7 +103,7 @@ var _ = Describe("When testing clusterctl upgrades (v1.3=>current)", func() {
 	})
 })
 
-var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.3=>current) [ClusterClass]", func() {
+var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.4=>current) [ClusterClass]", func() {
 	ClusterctlUpgradeSpec(ctx, func() ClusterctlUpgradeSpecInput {
 		return ClusterctlUpgradeSpecInput{
 			E2EConfig:              e2eConfig,
@@ -116,21 +112,17 @@ var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.3=>cur
 			ArtifactFolder:         artifactFolder,
 			SkipCleanup:            skipCleanup,
 			InfrastructureProvider: pointer.String("docker"),
-			InitWithBinary:         "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.3.6/clusterctl-{OS}-{ARCH}",
+			InitWithBinary:         "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.4.5/clusterctl-{OS}-{ARCH}",
 			// We have to pin the providers because with `InitWithProvidersContract` the test would
-			// use the latest version for the contract (which is v1.4.X for v1beta1).
-			InitWithCoreProvider:            "cluster-api:v1.3.6",
-			InitWithBootstrapProviders:      []string{"kubeadm:v1.3.6"},
-			InitWithControlPlaneProviders:   []string{"kubeadm:v1.3.6"},
-			InitWithInfrastructureProviders: []string{"docker:v1.3.6"},
-			// We have to set this to an empty array as clusterctl v1.3 doesn't support
-			// runtime extension providers. If we don't do this the test will automatically
-			// try to deploy the latest version of our test-extension from docker.yaml.
-			InitWithRuntimeExtensionProviders: []string{},
-			InitWithProvidersContract:         "v1beta1",
-			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/data/infrastructure-docker/v1.3/bases.
-			InitWithKubernetesVersion: "v1.26.4",
-			WorkloadKubernetesVersion: "v1.26.4",
+			// use the latest version for the contract (which is v1.5.X for v1beta1).
+			InitWithCoreProvider:            "cluster-api:v1.4.5",
+			InitWithBootstrapProviders:      []string{"kubeadm:v1.4.5"},
+			InitWithControlPlaneProviders:   []string{"kubeadm:v1.4.5"},
+			InitWithInfrastructureProviders: []string{"docker:v1.4.5"},
+			InitWithProvidersContract:       "v1beta1",
+			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/e2e/data/infrastructure-docker/v1.4/bases.
+			InitWithKubernetesVersion: "v1.27.3",
+			WorkloadKubernetesVersion: "v1.27.3",
 			MgmtFlavor:                "topology",
 			WorkloadFlavor:            "topology",
 			// This check ensures that ownerReference apiVersions are updated for all types after the upgrade.
@@ -148,7 +140,7 @@ var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.3=>cur
 	})
 })
 
-var _ = Describe("When testing clusterctl upgrades (v1.4=>current)", func() {
+var _ = Describe("When testing clusterctl upgrades (v1.5=>current)", func() {
 	ClusterctlUpgradeSpec(ctx, func() ClusterctlUpgradeSpecInput {
 		return ClusterctlUpgradeSpecInput{
 			E2EConfig:                 e2eConfig,
@@ -157,9 +149,9 @@ var _ = Describe("When testing clusterctl upgrades (v1.4=>current)", func() {
 			ArtifactFolder:            artifactFolder,
 			SkipCleanup:               skipCleanup,
 			InfrastructureProvider:    pointer.String("docker"),
-			InitWithBinary:            "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.4.0/clusterctl-{OS}-{ARCH}",
+			InitWithBinary:            "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.5.0/clusterctl-{OS}-{ARCH}",
 			InitWithProvidersContract: "v1beta1",
-			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/data/infrastructure-docker/v1.4/bases.
+			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/e2e/data/infrastructure-docker/v1.5/bases.
 			InitWithKubernetesVersion: "v1.27.3",
 			WorkloadKubernetesVersion: "v1.27.3",
 			MgmtFlavor:                "topology",
@@ -179,7 +171,7 @@ var _ = Describe("When testing clusterctl upgrades (v1.4=>current)", func() {
 	})
 })
 
-var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.4=>current) [ClusterClass]", func() {
+var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.5=>current) [ClusterClass]", func() {
 	ClusterctlUpgradeSpec(ctx, func() ClusterctlUpgradeSpecInput {
 		return ClusterctlUpgradeSpecInput{
 			E2EConfig:                 e2eConfig,
@@ -188,9 +180,9 @@ var _ = Describe("When testing clusterctl upgrades using ClusterClass (v1.4=>cur
 			ArtifactFolder:            artifactFolder,
 			SkipCleanup:               skipCleanup,
 			InfrastructureProvider:    pointer.String("docker"),
-			InitWithBinary:            "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.4.0/clusterctl-{OS}-{ARCH}",
+			InitWithBinary:            "https://github.com/kubernetes-sigs/cluster-api/releases/download/v1.5.0/clusterctl-{OS}-{ARCH}",
 			InitWithProvidersContract: "v1beta1",
-			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/data/infrastructure-docker/v1.4/bases.
+			// NOTE: If this version is changed here the image and SHA must also be updated in all DockerMachineTemplates in `test/e2e/data/infrastructure-docker/v1.5/bases.
 			InitWithKubernetesVersion: "v1.27.3",
 			WorkloadKubernetesVersion: "v1.27.3",
 			MgmtFlavor:                "topology",