ClusterClass: Introduce NamingStrategy and allow generating names usi…

…ng go templates

api/v1alpha4/conversion.go

@@ -124,6 +124,7 @@ func (src *ClusterClass) ConvertTo(dstRaw conversion.Hub) error {
 	dst.Spec.Patches = restored.Spec.Patches
 	dst.Spec.Variables = restored.Spec.Variables
 	dst.Spec.ControlPlane.MachineHealthCheck = restored.Spec.ControlPlane.MachineHealthCheck
+	dst.Spec.ControlPlane.NamingStrategy = restored.Spec.ControlPlane.NamingStrategy
 	dst.Spec.ControlPlane.NodeDrainTimeout = restored.Spec.ControlPlane.NodeDrainTimeout
 	dst.Spec.ControlPlane.NodeVolumeDetachTimeout = restored.Spec.ControlPlane.NodeVolumeDetachTimeout
 	dst.Spec.ControlPlane.NodeDeletionTimeout = restored.Spec.ControlPlane.NodeDeletionTimeout
@@ -132,6 +133,7 @@ func (src *ClusterClass) ConvertTo(dstRaw conversion.Hub) error {
 	for i := range restored.Spec.Workers.MachineDeployments {
 		dst.Spec.Workers.MachineDeployments[i].MachineHealthCheck = restored.Spec.Workers.MachineDeployments[i].MachineHealthCheck
 		dst.Spec.Workers.MachineDeployments[i].FailureDomain = restored.Spec.Workers.MachineDeployments[i].FailureDomain
+		dst.Spec.Workers.MachineDeployments[i].NamingStrategy = restored.Spec.Workers.MachineDeployments[i].NamingStrategy
 		dst.Spec.Workers.MachineDeployments[i].NodeDrainTimeout = restored.Spec.Workers.MachineDeployments[i].NodeDrainTimeout
 		dst.Spec.Workers.MachineDeployments[i].NodeVolumeDetachTimeout = restored.Spec.Workers.MachineDeployments[i].NodeVolumeDetachTimeout
 		dst.Spec.Workers.MachineDeployments[i].NodeDeletionTimeout = restored.Spec.Workers.MachineDeployments[i].NodeDeletionTimeout

api/v1beta1/clusterclass_types.go

@@ -106,6 +106,10 @@ type ControlPlaneClass struct {
 	// +optional
 	MachineHealthCheck *MachineHealthCheckClass `json:"machineHealthCheck,omitempty"`
 
+	// NamingStrategy allows to change the naming pattern used when creating the control plane provider object.
+	// If not defined, it will fallback to `{{ .cluster.name }}-{{ .randomSuffix }}`
+	NamingStrategy *NamingStrategy `json:"namingStrategy,omitempty"`
+
 	// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
 	// The default value is 0, meaning that the node can be drained without any time limitations.
 	// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
@@ -162,6 +166,10 @@ type MachineDeploymentClass struct {
 	// +optional
 	FailureDomain *string `json:"failureDomain,omitempty"`
 
+	// NamingStrategy allows to change the naming pattern used when creating the MachineDeployment.
+	// If not defined, it will fallback to `{{ .cluster.name }}-{ .machineDeployment.topologyName }}-{{ .randomSuffix }}`
+	NamingStrategy *NamingStrategy `json:"namingStrategy,omitempty"`
+
 	// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
 	// The default value is 0, meaning that the node can be drained without any time limitations.
 	// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
@@ -267,6 +275,10 @@ type MachinePoolClass struct {
 	// +optional
 	FailureDomains []string `json:"failureDomains,omitempty"`
 
+	// NamingStrategy allows to change the naming pattern used when creating the MachinePool.
+	// If not defined, it will fallback to `{{ .cluster.name }}-{ .machinePool.topologyName }}-{{ .randomSuffix }}`
+	NamingStrategy *NamingStrategy `json:"namingStrategy,omitempty"`
+
 	// NodeDrainTimeout is the total amount of time that the controller will spend on draining a node.
 	// The default value is 0, meaning that the node can be drained without any time limitations.
 	// NOTE: NodeDrainTimeout is different from `kubectl drain --timeout`
@@ -637,6 +649,11 @@ type LocalObjectTemplate struct {
 	Ref *corev1.ObjectReference `json:"ref"`
 }
 
+// NamingStrategy defines a naming strategy for templated objects.
+type NamingStrategy struct {
+	Name *string `json:"name,omitempty"`
+}
+
 // ANCHOR: ClusterClassStatus
 
 // ClusterClassStatus defines the observed state of the ClusterClass.