Golang clientcmd.IsConfigurationInvalid函数代码示例

func checkErr(err error, handleErr func(string)) {
	if err == nil {
		return
	}

	if errors.IsInvalid(err) {
		details := err.(*errors.StatusError).Status().Details
		prefix := fmt.Sprintf("The %s %q is invalid.\n", details.Kind, details.Name)
		errs := statusCausesToAggrError(details.Causes)
		handleErr(MultilineError(prefix, errs))
	}

	// handle multiline errors
	if clientcmd.IsConfigurationInvalid(err) {
		handleErr(MultilineError("Error in configuration: ", err))
	}
	if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) > 0 {
		handleErr(MultipleErrors("", agg.Errors()))
	}

	msg, ok := StandardErrorMessage(err)
	if !ok {
		msg = fmt.Sprintf("error: %s", err.Error())
	}
	handleErr(msg)
}

// checkErr formats a given error as a string and calls the passed handleErr
// func with that string and an kubectl exit code.
func checkErr(prefix string, err error, handleErr func(string, int)) {
	// unwrap aggregates of 1
	if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) == 1 {
		err = agg.Errors()[0]
	}

	switch {
	case err == nil:
		return
	case err == ErrExit:
		handleErr("", DefaultErrorExitCode)
		return
	case kerrors.IsInvalid(err):
		details := err.(*kerrors.StatusError).Status().Details
		s := fmt.Sprintf("%sThe %s %q is invalid", prefix, details.Kind, details.Name)
		if len(details.Causes) > 0 {
			errs := statusCausesToAggrError(details.Causes)
			handleErr(MultilineError(s+": ", errs), DefaultErrorExitCode)
		} else {
			handleErr(s, DefaultErrorExitCode)
		}
	case clientcmd.IsConfigurationInvalid(err):
		handleErr(MultilineError(fmt.Sprintf("%sError in configuration: ", prefix), err), DefaultErrorExitCode)
	default:
		switch err := err.(type) {
		case *meta.NoResourceMatchError:
			switch {
			case len(err.PartialResource.Group) > 0 && len(err.PartialResource.Version) > 0:
				handleErr(fmt.Sprintf("%sthe server doesn't have a resource type %q in group %q and version %q", prefix, err.PartialResource.Resource, err.PartialResource.Group, err.PartialResource.Version), DefaultErrorExitCode)
			case len(err.PartialResource.Group) > 0:
				handleErr(fmt.Sprintf("%sthe server doesn't have a resource type %q in group %q", prefix, err.PartialResource.Resource, err.PartialResource.Group), DefaultErrorExitCode)
			case len(err.PartialResource.Version) > 0:
				handleErr(fmt.Sprintf("%sthe server doesn't have a resource type %q in version %q", prefix, err.PartialResource.Resource, err.PartialResource.Version), DefaultErrorExitCode)
			default:
				handleErr(fmt.Sprintf("%sthe server doesn't have a resource type %q", prefix, err.PartialResource.Resource), DefaultErrorExitCode)
			}
		case utilerrors.Aggregate:
			handleErr(MultipleErrors(prefix, err.Errors()), DefaultErrorExitCode)
		case utilexec.ExitError:
			// do not print anything, only terminate with given error
			handleErr("", err.ExitStatus())
		default: // for any other error type
			msg, ok := StandardErrorMessage(err)
			if !ok {
				msg = err.Error()
				if !strings.HasPrefix(msg, "error: ") {
					msg = fmt.Sprintf("error: %s", msg)
				}
			}
			handleErr(msg, DefaultErrorExitCode)
		}
	}
}

func detectReason(err error) int {
	if err != nil {
		switch {
		case strings.Contains(err.Error(), "certificate signed by unknown authority"):
			return certificateAuthorityUnknownReason
		case strings.Contains(err.Error(), "no server defined"):
			return noServerFoundReason
		case clientcmd.IsConfigurationInvalid(err):
			return configurationInvalidReason
		}
	}
	return unknownReason
}

func checkErr(err error, handleErr func(string)) {
	if err == nil {
		return
	}

	if kerrors.IsInvalid(err) {
		details := err.(*kerrors.StatusError).Status().Details
		prefix := fmt.Sprintf("The %s %q is invalid.\n", details.Kind, details.Name)
		errs := statusCausesToAggrError(details.Causes)
		handleErr(MultilineError(prefix, errs))
		return
	}

	if noMatch, ok := err.(*meta.NoResourceMatchError); ok {
		switch {
		case len(noMatch.PartialResource.Group) > 0 && len(noMatch.PartialResource.Version) > 0:
			handleErr(fmt.Sprintf("the server doesn't have a resource type %q in group %q and version %q", noMatch.PartialResource.Resource, noMatch.PartialResource.Group, noMatch.PartialResource.Version))
		case len(noMatch.PartialResource.Group) > 0:
			handleErr(fmt.Sprintf("the server doesn't have a resource type %q in group %q", noMatch.PartialResource.Resource, noMatch.PartialResource.Group))
		case len(noMatch.PartialResource.Version) > 0:
			handleErr(fmt.Sprintf("the server doesn't have a resource type %q in version %q", noMatch.PartialResource.Resource, noMatch.PartialResource.Version))
		default:
			handleErr(fmt.Sprintf("the server doesn't have a resource type %q", noMatch.PartialResource.Resource))
		}
		return
	}

	// handle multiline errors
	if clientcmd.IsConfigurationInvalid(err) {
		handleErr(MultilineError("Error in configuration: ", err))
		return
	}
	if agg, ok := err.(utilerrors.Aggregate); ok && len(agg.Errors()) > 0 {
		handleErr(MultipleErrors("", agg.Errors()))
		return
	}

	msg, ok := StandardErrorMessage(err)
	if !ok {
		msg = err.Error()
		if !strings.HasPrefix(msg, "error: ") {
			msg = fmt.Sprintf("error: %s", msg)
		}
	}
	handleErr(msg)
}

func detectReason(err error) int {
	if err != nil {
		switch {
		case strings.Contains(err.Error(), "certificate signed by unknown authority"):
			return certificateAuthorityUnknownReason
		case strings.Contains(err.Error(), "no server defined"):
			return noServerFoundReason
		case clientcmd.IsConfigurationInvalid(err):
			return configurationInvalidReason
		case strings.Contains(err.Error(), "tls: oversized record received"):
			return tlsOversizedRecordReason
		}
		switch err.(type) {
		case x509.UnknownAuthorityError:
			return certificateAuthorityUnknownReason
		case x509.HostnameError:
			return certificateHostnameErrorReason
		case x509.CertificateInvalidError:
			return certificateInvalidReason
		}
	}
	return unknownReason
}

// RunVersion attempts to display client and server versions for Kubernetes and OpenShift
func (o VersionOptions) RunVersion() error {
	fmt.Fprintf(o.Out, "%s %v\n", o.BaseName, version.Get())
	fmt.Fprintf(o.Out, "kubernetes %v\n", kubeversion.Get())
	if o.PrintEtcdVersion {
		fmt.Fprintf(o.Out, "etcd %v\n", etcdversion.Version)
	}

	if o.PrintClientFeatures {
		features := []string{}
		if tokencmd.BasicEnabled() {
			features = append(features, "Basic-Auth")
		}
		if tokencmd.GSSAPIEnabled() {
			features = append(features, "GSSAPI")
			features = append(features, "Kerberos") // GSSAPI or SSPI
			features = append(features, "SPNEGO")   // GSSAPI or SSPI
		}
		fmt.Printf("features: %s\n", strings.Join(features, " "))
	}

	// do not attempt to print server info if already running cmd as the server
	// or if no client config is present
	if o.ClientConfig == nil || o.IsServer {
		return nil
	}

	// max amount of time we want to wait for server to respond
	timeout := 10 * time.Second

	done := make(chan error)
	oVersion := ""
	kVersion := ""
	versionHost := ""

	// start goroutine to fetch openshift / kubernetes server version
	go func() {
		defer close(done)

		// confirm config exists before makig request to server
		var err error
		clientConfig, err := o.ClientConfig.ClientConfig()
		if err != nil {
			done <- err
			return
		}
		versionHost = clientConfig.Host

		oClient, kClient, err := o.Clients()
		if err != nil {
			done <- err
			return
		}

		ocVersionBody, err := oClient.Get().AbsPath("/version/openshift").Do().Raw()
		if kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err) {
			return
		}
		if err != nil {
			done <- err
			return
		}
		var ocServerInfo version.Info
		err = json.Unmarshal(ocVersionBody, &ocServerInfo)
		if err != nil && len(ocVersionBody) > 0 {
			done <- err
			return
		}
		oVersion = fmt.Sprintf("%v", ocServerInfo)

		kubeVersionBody, err := kClient.Get().AbsPath("/version").Do().Raw()
		if kapierrors.IsNotFound(err) || kapierrors.IsUnauthorized(err) || kapierrors.IsForbidden(err) {
			return
		}
		if err != nil {
			done <- err
			return
		}
		var kubeServerInfo kubeversion.Info
		err = json.Unmarshal(kubeVersionBody, &kubeServerInfo)
		if err != nil && len(kubeVersionBody) > 0 {
			done <- err
			return
		}
		kVersion = fmt.Sprintf("%v", kubeServerInfo)

	}()

	select {
	case err, closed := <-done:
		if strings.HasSuffix(fmt.Sprintf("%v", err), "connection refused") || clientcmd.IsConfigurationMissing(err) || kclientcmd.IsConfigurationInvalid(err) {
			return nil
		}
		if closed && err != nil {
			return err
		}
	case <-time.After(timeout):
		return fmt.Errorf("%s", "error: server took too long to respond with version information.")
	}

//.........这里部分代码省略.........