Add ClusterClass variables to status on reconcile

api/v1beta1/clusterclass_types.go

@@ -553,11 +553,43 @@ type LocalObjectTemplate struct {
 
 // ClusterClassStatus defines the observed state of the ClusterClass.
 type ClusterClassStatus struct {
+	// Variables is a list of ClusterClassStatusVariable that are defined for the ClusterClass.
+	// +optional
+	Variables []ClusterClassStatusVariable `json:"variables,omitempty"`
+
 	// Conditions defines current observed state of the ClusterClass.
 	// +optional
 	Conditions Conditions `json:"conditions,omitempty"`
 }
 
+// ClusterClassStatusVariable defines a variable which appears in the status of a ClusterClass.
+type ClusterClassStatusVariable struct {
+	// Name is the name of the variable.
+	Name string `json:"name"`
+
+	// RequiresNamespace specifies whether or not a variable must be addressed by namespace when a value is provided for
+	// it in a Cluster.
+	RequiresNamespace bool `json:"requiresNamespace"`
+
+	// Definitions is a list of variables with a schema for each namespace the variable is defined in.
+	Definitions []ClusterClassStatusVariableDefinition `json:"definitions"`
+}
+
+// ClusterClassStatusVariableDefinition defines a variable which appears in the status of a ClusterClass.
+type ClusterClassStatusVariableDefinition struct {
+	// Namespace specifies the namespace of the variable definition.
+	Namespace string `json:"namespace"`
+
+	// Required specifies if the variable is required.
+	// Note: this applies to the variable as a whole and thus the
+	// top-level object defined in the schema. If nested fields are
+	// required, this will be specified inside the schema.
+	Required bool `json:"required"`
+
+	// Schema defines the schema of the variable.
+	Schema VariableSchema `json:"schema"`
+}
+
 // GetConditions returns the set of conditions for this object.
 func (c *ClusterClass) GetConditions() Conditions {
 	return c.Status.Conditions

api/v1beta1/common_types.go

@@ -120,6 +120,10 @@ const (
 	// instead of being a source of truth for eventual consistency.
 	// This annotation can be used to inform MachinePool status during in-progress scaling scenarios.
 	ReplicasManagedByAnnotation = "cluster.x-k8s.io/replicas-managed-by"
+
+	// VariableNamespaceInline is a namespace that indicates a patch or variable was defined in the `.spec` of a ClusterClass
+	// rather than being generated externally.
+	VariableNamespaceInline = "inline"
 )
 
 const (