🌱 ClusterClass: add condition for references with outdated apiVersions

api/v1alpha4/conversion.go

@@ -125,6 +125,8 @@ func (src *ClusterClass) ConvertTo(dstRaw conversion.Hub) error {
 		dst.Spec.Workers.MachineDeployments[i].MachineHealthCheck = restored.Spec.Workers.MachineDeployments[i].MachineHealthCheck
 	}
 
+	dst.Status = restored.Status
+
 	return nil
 }
 
@@ -352,3 +354,8 @@ func Convert_v1beta1_MachineStatus_To_v1alpha4_MachineStatus(in *clusterv1.Machi
 	// MachineStatus.CertificatesExpiryDate has been added in v1beta1.
 	return autoConvert_v1beta1_MachineStatus_To_v1alpha4_MachineStatus(in, out, s)
 }
+
+func Convert_v1beta1_ClusterClass_To_v1alpha4_ClusterClass(in *clusterv1.ClusterClass, out *ClusterClass, s apiconversion.Scope) error {
+	// ClusterClass.Status has been added in v1beta1.
+	return autoConvert_v1beta1_ClusterClass_To_v1alpha4_ClusterClass(in, out, s)
+}

api/v1beta1/clusterclass_types.go

@@ -28,14 +28,16 @@ import (
 // +kubebuilder:object:root=true
 // +kubebuilder:resource:path=clusterclasses,shortName=cc,scope=Namespaced,categories=cluster-api
 // +kubebuilder:storageversion
+// +kubebuilder:subresource:status
 // +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp",description="Time duration since creation of ClusterClass"
 
 // ClusterClass is a template which can be used to create managed topologies.
 type ClusterClass struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
-	Spec ClusterClassSpec `json:"spec,omitempty"`
+	Spec   ClusterClassSpec   `json:"spec,omitempty"`
+	Status ClusterClassStatus `json:"status,omitempty"`
 }
 
 // ClusterClassSpec describes the desired state of the ClusterClass.
@@ -475,6 +477,27 @@ type LocalObjectTemplate struct {
 	Ref *corev1.ObjectReference `json:"ref"`
 }
 
+// ANCHOR: ClusterClassStatus
+
+// ClusterClassStatus defines the observed state of the ClusterClass.
+type ClusterClassStatus struct {
+	// Conditions defines current observed state of the ClusterClass.
+	// +optional
+	Conditions Conditions `json:"conditions,omitempty"`
+}
+
+// GetConditions returns the set of conditions for this object.
+func (c *ClusterClass) GetConditions() Conditions {
+	return c.Status.Conditions
+}
+
+// SetConditions sets the conditions on this object.
+func (c *ClusterClass) SetConditions(conditions Conditions) {
+	c.Status.Conditions = conditions
+}
+
+// ANCHOR_END: ClusterClassStatus
+
 // +kubebuilder:object:root=true
 
 // ClusterClassList contains a list of Cluster.

api/v1beta1/condition_consts.go

@@ -282,3 +282,16 @@ const (
 	// not yet completed because at least one of the lifecycle hooks is blocking.
 	TopologyReconciledHookBlockingReason = "LifecycleHookBlocking"
 )
+
+// Conditions and condition reasons for ClusterClass.
+const (
+	// ClusterClassRefVersionsUpToDateCondition documents if the references in the ClusterClass are
+	// up-to-date (i.e. they are using the latest apiVersion of the current Cluster API contract from
+	// the corresponding CRD).
+	ClusterClassRefVersionsUpToDateCondition ConditionType = "RefVersionsUpToDate"
+
+	// ClusterClassOutdatedRefVersionsReason (Severity=Warning) that the references in the ClusterClass are not
+	// up-to-date (i.e. they are not using the latest apiVersion of the current Cluster API contract from
+	// the corresponding CRD).
+	ClusterClassOutdatedRefVersionsReason = "OutdatedRefVersions"
+)

config/rbac/role.yaml

@@ -81,6 +81,17 @@ rules:
   - patch
   - update
   - watch
+- apiGroups:
+  - cluster.x-k8s.io
+  resources:
+  - clusterclasses
+  - clusterclasses/status
+  verbs:
+  - get
+  - list
+  - patch
+  - update
+  - watch
 - apiGroups:
   - cluster.x-k8s.io
   resources: