Method CreateSpecFile

internal/cdi/cdi.go:187–227

CreateSpecFile creates a CDI spec file for the specified devices.

()

// CreateSpecFile creates a CDI spec file for the specified devices.
func (cdi *cdiHandler) CreateSpecFile() error {
	var emptySpecs []string
	for class, cdilib := range cdi.cdilibs {
		cdi.logger.Infof("Generating CDI spec for resource: %s/%s", cdi.vendor, class)

		spec, err := cdilib.GetSpec()
		if err != nil {
			return fmt.Errorf("failed to get CDI spec: %v", err)
		}

		// TODO: Once the NewDriverTransformer is merged in container-toolkit we can instantiate it directly.
		transformer := cdi.getRootTransformer()
		if err := transformer.Transform(spec.Raw()); err != nil {
			return fmt.Errorf("failed to transform driver root in CDI spec: %v", err)
		}

		specName, err := cdiapi.GenerateNameForSpec(spec.Raw())
		if err != nil {
			return fmt.Errorf("failed to generate spec name: %v", err)
		}

		err = spec.Save(filepath.Join(cdiRoot, specName+".json"))
		if err != nil {
			// TODO: This is a brittle check since it relies on exact string matches.
			// We should pull this functionality into the CDI tooling instead.
			if strings.Contains(err.Error(), "invalid device, empty device edits") {
				klog.ErrorS(err, "Ignoring empty CDI specs", "vendor", cdi.vendor, "class", class)
				emptySpecs = append(emptySpecs, class)
				continue
			}
			return fmt.Errorf("failed to save CDI spec: %v", err)
		}
	}

	// Remove the classes with empty specs from the supported types.
	for _, emptySpec := range emptySpecs {
		delete(cdi.cdilibs, emptySpec)
	}

	return nil
}

func (cdi *cdiHandler) getRootTransformer() transform.Transformer {
	driverRootTransformer := transformroot.New(