deploy apiserver ilb cluster in the e2e test

test/e2e/azure_test.go

@@ -1156,14 +1156,39 @@ var _ = Describe("Workload cluster creation", func() {
 
 	Context("Creating a self-managed VM based cluster using API Server ILB feature gate [OPTIONAL][API-Server-ILB]", func() {
 		It("with one controlplane node and three worker nodes", func() {
-			// TODO: create a workload cluster with API Server ILB feature gate enabled
+			clusterName = getClusterName(clusterNamePrefix, "apiserver-ilb")
+
+			// Set the environment variables required for the API Server ILB feature gate
+			Expect(os.Setenv("EXP_APISERVER_ILB", "true")).To(Succeed())
+			Expect(os.Setenv("AZURE_INTERNAL_LB_PRIVATE_IP", "40.0.0.100")).To(Succeed())
+			Expect(os.Setenv("AZURE_VNET_CIDR", "40.0.0.0/8")).To(Succeed())
+			Expect(os.Setenv("AZURE_CP_SUBNET_CIDR", "40.0.0.0/16")).To(Succeed())
+			Expect(os.Setenv("AZURE_NODE_SUBNET_CIDR", "40.1.0.0/16")).To(Succeed())
+
+			clusterctl.ApplyClusterTemplateAndWait(ctx, createApplyClusterTemplateInput(
+				specName,
+				withAzureCNIv1Manifest(e2eConfig.GetVariable(AzureCNIv1Manifest)), // AzureCNIManifest is set
+				withFlavor("apiserver-ilb"),
+				withNamespace(namespace.Name),
+				withClusterName(clusterName),
+				withControlPlaneMachineCount(3),
+				withWorkerMachineCount(2),
+				withControlPlaneInterval(specName, "wait-control-plane-ha"),
+				withControlPlaneWaiters(clusterctl.ControlPlaneWaiters{
+					WaitForControlPlaneInitialized: EnsureControlPlaneInitializedNoAddons,
+				}),
+				withPostMachinesProvisioned(func() {
+					EnsureDaemonsets(ctx, func() DaemonsetsSpecInput {
+						return DaemonsetsSpecInput{
+							BootstrapClusterProxy: bootstrapClusterProxy,
+							Namespace:             namespace,
+							ClusterName:           clusterName,
+						}
+					})
+				}),
+			), result)
 			// TODO: deploy a sample deployment on the worker nodes
 			// TODO: verify the worker node's /etc/hosts has the updated DNS entry for the Internal LB for the API Server
-			// AZURE_INTERNAL_LB_PRIVATE_IP = 40.0.0.100
-			// AZURE_VNET_CIDR = 40.0.0.0/8
-			// AZURE_CP_SUBNET_CIDR = 40.0.0.0/16
-			// AZURE_NODE_SUBNET_CIDR = 40.1.0.0/16
-
 		})
 	})