Function ImagePath

internal/image/image.go:25–54

(repository string, image string, version string, imagePathEnvName string)

)

func ImagePath(repository string, image string, version string, imagePathEnvName string) (string, error) {
	// ImagePath is obtained using following priority
	// 1. CR (i.e through repository/image/path variables in CRD)
	var crdImagePath string
	if repository == "" && version == "" {
		if image != "" {
			// this is useful for tools like kbld(carvel) which transform templates into image as path@digest
			crdImagePath = image
		}
	} else {
		// use @ if image digest is specified instead of tag
		if strings.HasPrefix(version, "sha256:") {
			crdImagePath = repository + "/" + image + "@" + version
		} else {
			crdImagePath = repository + "/" + image + ":" + version
		}
	}
	if crdImagePath != "" {
		return crdImagePath, nil
	}

	// 2. Env passed to GPU Operator Pod (eg OLM)
	envImagePath := os.Getenv(imagePathEnvName)
	if envImagePath != "" {
		return envImagePath, nil
	}

	// 3. If both are not set, error out
	return "", fmt.Errorf("empty image path provided through both CR and ENV %s", imagePathEnvName)
}