Refine KCP's Available, ControlPlaneComponentsHealthy, EtcdClusterHealthy v1beta2 conditions

Author: fabriziopandini

controlplane/kubeadm/internal/controllers/controller_test.go

@@ -1852,6 +1852,7 @@ func TestKubeadmControlPlaneReconciler_reconcileControlPlaneAndMachinesCondition
 		},
 		Spec: clusterv1.MachineSpec{
 			Version:           ptr.To("v1.31.0"),
+			ProviderID:        ptr.To("foo"),
 			InfrastructureRef: corev1.ObjectReference{Kind: "GenericInfrastructureMachine", APIVersion: "infrastructure.cluster.x-k8s.io/v1beta1", Name: "m1"},
 		},
 	}
@@ -2012,46 +2013,46 @@ func TestKubeadmControlPlaneReconciler_reconcileControlPlaneAndMachinesCondition
 					Status: metav1.ConditionUnknown,
 					Reason: controlplanev1.KubeadmControlPlaneEtcdClusterHealthUnknownV1Beta2Reason,
 					Message: "* Machine machine1-test:\n" +
-						"  * EtcdMemberHealthy: Waiting for GenericInfrastructureMachine to report spec.providerID",
+						"  * EtcdMemberHealthy: Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:   controlplanev1.KubeadmControlPlaneControlPlaneComponentsHealthyV1Beta2Condition,
 					Status: metav1.ConditionUnknown,
 					Reason: controlplanev1.KubeadmControlPlaneControlPlaneComponentsHealthUnknownV1Beta2Reason,
 					Message: "* Machine machine1-test:\n" +
-						"  * Control plane components: Waiting for GenericInfrastructureMachine to report spec.providerID",
+						"  * Control plane components: Waiting for a Node with spec.providerID foo to exist",
 				},
 			},
 			expectMachineConditions: []metav1.Condition{
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineAPIServerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineControllerManagerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineSchedulerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineEtcdPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineEtcdMemberHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachineEtcdMemberInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:   clusterv1.MachineUpToDateV1Beta2Condition,
@@ -2089,46 +2090,46 @@ func TestKubeadmControlPlaneReconciler_reconcileControlPlaneAndMachinesCondition
 					Status: metav1.ConditionUnknown,
 					Reason: controlplanev1.KubeadmControlPlaneEtcdClusterHealthUnknownV1Beta2Reason,
 					Message: "* Machine machine1-test:\n" +
-						"  * EtcdMemberHealthy: Waiting for GenericInfrastructureMachine to report spec.providerID",
+						"  * EtcdMemberHealthy: Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:   controlplanev1.KubeadmControlPlaneControlPlaneComponentsHealthyV1Beta2Condition,
 					Status: metav1.ConditionUnknown,
 					Reason: controlplanev1.KubeadmControlPlaneControlPlaneComponentsHealthUnknownV1Beta2Reason,
 					Message: "* Machine machine1-test:\n" +
-						"  * Control plane components: Waiting for GenericInfrastructureMachine to report spec.providerID",
+						"  * Control plane components: Waiting for a Node with spec.providerID foo to exist",
 				},
 			},
 			expectMachineConditions: []metav1.Condition{
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineAPIServerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineControllerManagerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineSchedulerPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineEtcdPodHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachinePodInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    controlplanev1.KubeadmControlPlaneMachineEtcdMemberHealthyV1Beta2Condition,
 					Status:  metav1.ConditionUnknown,
 					Reason:  controlplanev1.KubeadmControlPlaneMachineEtcdMemberInspectionFailedV1Beta2Reason,
-					Message: "Waiting for GenericInfrastructureMachine to report spec.providerID",
+					Message: "Waiting for a Node with spec.providerID foo to exist",
 				},
 				{
 					Type:    clusterv1.MachineUpToDateV1Beta2Condition,

controlplane/kubeadm/internal/controllers/status.go

@@ -590,6 +590,14 @@ func setAvailableCondition(_ context.Context, kcp *controlplanev1.KubeadmControl
 	k8sControlPlaneNotHealthyButNotReportedYet := 0
 
 	for _, machine := range machines {
+		// Ignore machines without a provider ID yet (which also implies infrastructure not ready).
+		// Note: this avoids some noise when a new machine is provisioning; it is not possible to delay further
+		// because the etcd member might join the cluster / control plane components might start even before
+		// kubelet registers the node to the API server (e.g. in case kubelet has issues to register itself).
+		if machine.Spec.ProviderID == nil {
+			continue
+		}
+
 		// if external etcd, only look at the status of the K8s control plane components on this machine.
 		if !etcdIsManaged {
 			if v1beta2conditions.IsTrue(machine, controlplanev1.KubeadmControlPlaneMachineAPIServerPodHealthyV1Beta2Condition) &&