add e2e test for cluster class

Author: shysank

test/e2e/azure_test.go

@@ -597,4 +597,54 @@ var _ = Describe("Workload cluster creation", func() {
 			})
 		})
 	})
+
+	Context("Creating clusters using clusterclass [REQUIRED]", func() {
+		It("with a single control plane node, one linux worker node, and one windows worker node", func() {
+			clusterName = getClusterName(clusterNamePrefix, "clusterclass")
+
+			// Opt into using windows with prow template
+			Expect(os.Setenv("WINDOWS_WORKER_MACHINE_COUNT", "1")).To(Succeed())
+			Expect(os.Setenv("K8S_FEATURE_GATES", "WindowsHostProcessContainers=true")).To(Succeed())
+
+			// Get cluster class yaml. This is a hacky way to get cluster class with existing clusterctl api.
+			topologyYaml := clusterctl.ConfigCluster(ctx, clusterctl.ConfigClusterInput{
+				LogFolder:                filepath.Join(artifactFolder, "clusters", bootstrapClusterProxy.GetName()),
+				ClusterctlConfigPath:     clusterctlConfigPath,
+				KubeconfigPath:           bootstrapClusterProxy.GetKubeconfigPath(),
+				InfrastructureProvider:   clusterctl.DefaultInfrastructureProvider,
+				Flavor:                   "topology",
+				Namespace:                namespace.Name,
+				ClusterName:              clusterName,
+				KubernetesVersion:        e2eConfig.GetVariable(capi_e2e.KubernetesVersion),
+				ControlPlaneMachineCount: pointer.Int64Ptr(1),
+				WorkerMachineCount:       pointer.Int64Ptr(1),
+			})
+			Expect(topologyYaml).To(Not(BeEmpty()))
+
+			// Create the cluster class.
+			err := bootstrapClusterProxy.Apply(ctx, topologyYaml)
+			Expect(err).To(BeNil())
+
+			// Create a cluster using the cluster class created above
+			clusterctl.ApplyClusterTemplateAndWait(ctx, clusterctl.ApplyClusterTemplateAndWaitInput{
+				ClusterProxy: bootstrapClusterProxy,
+				ConfigCluster: clusterctl.ConfigClusterInput{
+					LogFolder:                filepath.Join(artifactFolder, "clusters", bootstrapClusterProxy.GetName()),
+					ClusterctlConfigPath:     clusterctlConfigPath,
+					KubeconfigPath:           bootstrapClusterProxy.GetKubeconfigPath(),
+					InfrastructureProvider:   clusterctl.DefaultInfrastructureProvider,
+					Flavor:                   "clusterclass",
+					Namespace:                namespace.Name,
+					ClusterName:              clusterName,
+					KubernetesVersion:        e2eConfig.GetVariable(capi_e2e.KubernetesVersion),
+					ControlPlaneMachineCount: pointer.Int64Ptr(1),
+					WorkerMachineCount:       pointer.Int64Ptr(1),
+				},
+				WaitForClusterIntervals:      e2eConfig.GetIntervals(specName, "wait-cluster"),
+				WaitForControlPlaneIntervals: e2eConfig.GetIntervals(specName, "wait-control-plane"),
+				WaitForMachinePools:          e2eConfig.GetIntervals(specName, "wait-machine-pool-nodes"),
+			}, result)
+
+		})
+	})
 })

test/e2e/config/azure-dev.yaml

@@ -177,6 +177,10 @@ providers:
         targetName: "cluster-template-custom-vnet.yaml"
       - sourcePath: "${PWD}/templates/test/ci/cluster-template-prow-dual-stack.yaml"
         targetName: "cluster-template-dual-stack.yaml"
+      - sourcePath: "${PWD}/templates/test/ci/cluster-template-prow-topology.yaml"
+        targetName: "cluster-template-topology.yaml"
+      - sourcePath: "${PWD}/templates/test/ci/cluster-template-prow-clusterclass.yaml"
+        targetName: "cluster-template-clusterclass.yaml"
       replacements:
       - old: "--v=0"
         new: "--v=2"