Add templateReference logic in Metal3DataTemplate

Author: kashifest

api/v1alpha4/metal3data_types.go

@@ -32,6 +32,11 @@ type Metal3DataSpec struct {
 	// Index stores the index value of this instance in the Metal3DataTemplate.
 	Index int `json:"index,omitempty"`
 
+	// TemplateReference refers to the Template the Metal3MachineTemplate refers to.
+	// It can be matched against the key or it may also point to the name of the template
+	// Metal3Data refers to
+	TemplateReference string `json:"templateReference,omitempty"`
+
 	// MetaData points to the rendered MetaData secret.
 	MetaData *corev1.SecretReference `json:"metaData,omitempty"`
 

api/v1alpha4/metal3datatemplate_types.go

@@ -431,6 +431,11 @@ type Metal3DataTemplateSpec struct {
 	// +kubebuilder:validation:MinLength=1
 	ClusterName string `json:"clusterName"`
 
+	// TemplateReference refers to the Template the Metal3MachineTemplate refers to.
+	// It can be matched against the key or it may also point to the name of the template
+	// Metal3Data refers to
+	TemplateReference string `json:"templateReference,omitempty"`
+
 	//MetaData contains the information needed to generate the metadata secret
 	MetaData *MetaData `json:"metaData,omitempty"`
 

baremetal/metal3datatemplate_manager.go

@@ -135,6 +135,14 @@ func (m *DataTemplateManager) getIndexes(ctx context.Context) (map[int]string, e
 			continue
 		}
 
+		// Match TemplateReference
+		if dataObject.Spec.TemplateReference == "" && m.DataTemplate.Spec.TemplateReference != dataObject.Spec.Template.Name {
+			continue
+		}
+		if dataObject.Spec.TemplateReference != "" && m.DataTemplate.Spec.TemplateReference != dataObject.Spec.TemplateReference {
+			continue
+		}
+
 		// Get the claim Name, if unset use empty string, to still record the
 		// index being used, to avoid conflicts
 		claimName := ""

config/crd/bases/infrastructure.cluster.x-k8s.io_metal3datas.yaml

@@ -113,6 +113,9 @@ spec:
                     description: 'UID of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#uids'
                     type: string
                 type: object
+              templateReference:
+                description: TemplateReference refers to the Template the Metal3MachineTemplate refers to. It can be matched against the key or it may also point to the name of the template Metal3Data refers to
+                type: string
             required:
             - claim
             - template

config/crd/bases/infrastructure.cluster.x-k8s.io_metal3datatemplates.yaml

@@ -704,6 +704,9 @@ spec:
                         type: string
                     type: object
                 type: object
+              templateReference:
+                description: TemplateReference refers to the Template the Metal3MachineTemplate refers to. It can be matched against the key or it may also point to the name of the template Metal3Data refers to
+                type: string
             required:
             - clusterName
             type: object