func getAPIVersionFromExecInfoEnv()

in pkg/internal/token/execCredentialWriter.go [71:88]

• 18 lines of code
• 5 McCabe index (conditional complexity)

func getAPIVersionFromExecInfoEnv() (string, error) {
	env := os.Getenv(execInfoEnv)
	if env == "" {
		return apiV1beta1, nil
	}
	var execCredential clientauthentication.ExecCredential
	if err := json.Unmarshal([]byte(env), &execCredential); err != nil {
		return "", fmt.Errorf("cannot unmarshal %q to ExecCredential: %w", env, err)
	}
	switch execCredential.TypeMeta.APIVersion {
	case "":
		return apiV1beta1, nil
	case apiV1, apiV1beta1:
		return execCredential.TypeMeta.APIVersion, nil
	default:
		return "", fmt.Errorf("api version: %s is not supported", execCredential.TypeMeta.APIVersion)
	}
}