populate terraform attributes from kubernetes resource metadata.name

Signed-off-by: Lukas Hoehl <[email protected]>

pkg/config/resource.go

@@ -575,6 +575,10 @@ type Resource struct {
 	// requiredFields are the fields that will be marked as required in the
 	// generated CRD schema, although they are not required in the TF schema.
 	requiredFields []string
+
+	// AttributesToPopulateWithMetadataName defines Terraform attributes that
+	// should be populated with the resources metadata.name
+	AttributesToPopulateWithMetadataName []string
 }
 
 // RequiredFields returns slice of the marked as required fieldpaths.

pkg/controller/external_tfpluginsdk.go

@@ -130,6 +130,9 @@ func getExtendedParameters(ctx context.Context, tr resource.Terraformed, externa
 	if err = resource.GetSensitiveParameters(ctx, &APISecretClient{kube: kube}, tr, params, tr.GetConnectionDetailsMapping()); err != nil {
 		return nil, errors.Wrap(err, "cannot store sensitive parameters into params")
 	}
+	for _, a := range cfg.AttributesToPopulateWithMetadataName {
+		params[a] = tr.GetName()
+	}
 	cfg.ExternalName.SetIdentifierArgumentFn(params, externalName)
 	if cfg.TerraformConfigurationInjector != nil {
 		m, err := getJSONMap(tr)

pkg/examples/example.go

@@ -118,7 +118,7 @@ func (eg *Generator) StoreExamples() error { // nolint:gocyclo
 func paveCRManifest(exampleParams map[string]any, r *config.Resource, eName, group, version, eGroup string) *reference.PavedWithManifest {
 	delete(exampleParams, "depends_on")
 	delete(exampleParams, "lifecycle")
-	transformFields(r, exampleParams, r.ExternalName.OmittedFields, "")
+	transformFields(r, exampleParams, append(r.ExternalName.OmittedFields, r.AttributesToPopulateWithMetadataName...), "")
 	metadata := map[string]any{
 		"labels": map[string]string{
 			labelExampleName: eName,

pkg/pipeline/crd.go

@@ -60,7 +60,7 @@ func (cg *CRDGenerator) Generate(cfg *config.Resource) (string, error) {
 		wrapper.WithHeaderPath(cg.LicenseHeaderPath),
 	)
 
-	deleteOmittedFields(cfg.TerraformResource.Schema, cfg.ExternalName.OmittedFields)
+	deleteOmittedFields(cfg.TerraformResource.Schema, append(cfg.ExternalName.OmittedFields, cfg.AttributesToPopulateWithMetadataName...))
 	cfg.TerraformResource.Schema["id"] = &schema.Schema{
 		Type:     schema.TypeString,
 		Computed: true,

pkg/terraform/files.go

@@ -101,6 +101,9 @@ func NewFileProducer(ctx context.Context, client resource.SecretClient, dir stri
 		return nil, errors.Wrap(err, "cannot get sensitive parameters")
 	}
 	fp.Config.ExternalName.SetIdentifierArgumentFn(params, meta.GetExternalName(tr))
+	for _, a := range cfg.AttributesToPopulateWithMetadataName {
+		params[a] = tr.GetName()
+	}
 	fp.parameters = params
 
 	obs, err := tr.GetObservation()