How to use String method of ctxerr Package

Best Go-testdeep code snippet using ctxerr.String

kube_docker_client.go

Source:kube_docker_client.go

...229	var buf bytes.Buffer230	if err := json.NewEncoder(&buf).Encode(auth); err != nil {231		return "", err232	}233	return base64.URLEncoding.EncodeToString(buf.Bytes()), nil234}235// progress is a wrapper of dockermessage.JSONMessage with a lock protecting it.236type progress struct {237	sync.RWMutex238	// message stores the latest docker json message.239	message *dockermessage.JSONMessage240	// timestamp of the latest update.241	timestamp time.Time242}243func newProgress() *progress {244	return &progress{timestamp: time.Now()}245}246func (p *progress) set(msg *dockermessage.JSONMessage) {247	p.Lock()248	defer p.Unlock()249	p.message = msg250	p.timestamp = time.Now()251}252func (p *progress) get() (string, time.Time) {253	p.RLock()254	defer p.RUnlock()255	if p.message == nil {256		return "No progress", p.timestamp257	}258	// The following code is based on JSONMessage.Display259	var prefix string260	if p.message.ID != "" {261		prefix = fmt.Sprintf("%s: ", p.message.ID)262	}263	if p.message.Progress == nil {264		return fmt.Sprintf("%s%s", prefix, p.message.Status), p.timestamp265	}266	return fmt.Sprintf("%s%s %s", prefix, p.message.Status, p.message.Progress.String()), p.timestamp267}268// progressReporter keeps the newest image pulling progress and periodically report the newest progress.269type progressReporter struct {270	*progress271	image                     string272	cancel                    context.CancelFunc273	stopCh                    chan struct{}274	imagePullProgressDeadline time.Duration275}276// newProgressReporter creates a new progressReporter for specific image with specified reporting interval277func newProgressReporter(image string, cancel context.CancelFunc, imagePullProgressDeadline time.Duration) *progressReporter {278	return &progressReporter{279		progress:                  newProgress(),280		image:                     image,281		cancel:                    cancel,282		stopCh:                    make(chan struct{}),283		imagePullProgressDeadline: imagePullProgressDeadline,284	}285}286// start starts the progressReporter287func (p *progressReporter) start() {288	go func() {289		ticker := time.NewTicker(defaultImagePullingProgressReportInterval)290		defer ticker.Stop()291		for {292			// TODO(random-liu): Report as events.293			select {294			case <-ticker.C:295				progress, timestamp := p.progress.get()296				// If there is no progress for p.imagePullProgressDeadline, cancel the operation.297				if time.Since(timestamp) > p.imagePullProgressDeadline {298					klog.Errorf("Cancel pulling image %q because of no progress for %v, latest progress: %q", p.image, p.imagePullProgressDeadline, progress)299					p.cancel()300					return301				}302				klog.V(2).Infof("Pulling image %q: %q", p.image, progress)303			case <-p.stopCh:304				progress, _ := p.progress.get()305				klog.V(2).Infof("Stop pulling image %q: %q", p.image, progress)306				return307			}308		}309	}()310}311// stop stops the progressReporter312func (p *progressReporter) stop() {313	close(p.stopCh)314}315func (d *kubeDockerClient) PullImage(image string, auth dockertypes.AuthConfig, opts dockertypes.ImagePullOptions) error {316	// RegistryAuth is the base64 encoded credentials for the registry317	base64Auth, err := base64EncodeAuth(auth)318	if err != nil {319		return err320	}321	opts.RegistryAuth = base64Auth322	ctx, cancel := d.getCancelableContext()323	defer cancel()324	resp, err := d.client.ImagePull(ctx, image, opts)325	if err != nil {326		return err327	}328	defer resp.Close()329	reporter := newProgressReporter(image, cancel, d.imagePullProgressDeadline)330	reporter.start()331	defer reporter.stop()332	decoder := json.NewDecoder(resp)333	for {334		var msg dockermessage.JSONMessage335		err := decoder.Decode(&msg)336		if err == io.EOF {337			break338		}339		if err != nil {340			return err341		}342		if msg.Error != nil {343			return msg.Error344		}345		reporter.set(&msg)346	}347	return nil348}349func (d *kubeDockerClient) RemoveImage(image string, opts dockertypes.ImageRemoveOptions) ([]dockertypes.ImageDeleteResponseItem, error) {350	ctx, cancel := d.getTimeoutContext()351	defer cancel()352	resp, err := d.client.ImageRemove(ctx, image, opts)353	if ctxErr := contextError(ctx); ctxErr != nil {354		return nil, ctxErr355	}356	if dockerapi.IsErrNotFound(err) {357		return nil, ImageNotFoundError{ID: image}358	}359	return resp, err360}361func (d *kubeDockerClient) Logs(id string, opts dockertypes.ContainerLogsOptions, sopts StreamOptions) error {362	ctx, cancel := d.getCancelableContext()363	defer cancel()364	resp, err := d.client.ContainerLogs(ctx, id, opts)365	if ctxErr := contextError(ctx); ctxErr != nil {366		return ctxErr367	}368	if err != nil {369		return err370	}371	defer resp.Close()372	return d.redirectResponseToOutputStream(sopts.RawTerminal, sopts.OutputStream, sopts.ErrorStream, resp)373}374func (d *kubeDockerClient) Version() (*dockertypes.Version, error) {375	ctx, cancel := d.getTimeoutContext()376	defer cancel()377	resp, err := d.client.ServerVersion(ctx)378	if ctxErr := contextError(ctx); ctxErr != nil {379		return nil, ctxErr380	}381	if err != nil {382		return nil, err383	}384	return &resp, nil385}386func (d *kubeDockerClient) Info() (*dockertypes.Info, error) {387	ctx, cancel := d.getTimeoutContext()388	defer cancel()389	resp, err := d.client.Info(ctx)390	if ctxErr := contextError(ctx); ctxErr != nil {391		return nil, ctxErr392	}393	if err != nil {394		return nil, err395	}396	return &resp, nil397}398// TODO(random-liu): Add unit test for exec and attach functions, just like what go-dockerclient did.399func (d *kubeDockerClient) CreateExec(id string, opts dockertypes.ExecConfig) (*dockertypes.IDResponse, error) {400	ctx, cancel := d.getTimeoutContext()401	defer cancel()402	resp, err := d.client.ContainerExecCreate(ctx, id, opts)403	if ctxErr := contextError(ctx); ctxErr != nil {404		return nil, ctxErr405	}406	if err != nil {407		return nil, err408	}409	return &resp, nil410}411func (d *kubeDockerClient) StartExec(startExec string, opts dockertypes.ExecStartCheck, sopts StreamOptions) error {412	ctx, cancel := d.getCancelableContext()413	defer cancel()414	if opts.Detach {415		err := d.client.ContainerExecStart(ctx, startExec, opts)416		if ctxErr := contextError(ctx); ctxErr != nil {417			return ctxErr418		}419		return err420	}421	resp, err := d.client.ContainerExecAttach(ctx, startExec, dockertypes.ExecStartCheck{422		Detach: opts.Detach,423		Tty:    opts.Tty,424	})425	if ctxErr := contextError(ctx); ctxErr != nil {426		return ctxErr427	}428	if err != nil {429		return err430	}431	defer resp.Close()432	if sopts.ExecStarted != nil {433		// Send a message to the channel indicating that the exec has started. This is needed so434		// interactive execs can handle resizing correctly - the request to resize the TTY has to happen435		// after the call to d.client.ContainerExecAttach, and because d.holdHijackedConnection below436		// blocks, we use sopts.ExecStarted to signal the caller that it's ok to resize.437		sopts.ExecStarted <- struct{}{}438	}439	return d.holdHijackedConnection(sopts.RawTerminal || opts.Tty, sopts.InputStream, sopts.OutputStream, sopts.ErrorStream, resp)440}441func (d *kubeDockerClient) InspectExec(id string) (*dockertypes.ContainerExecInspect, error) {442	ctx, cancel := d.getTimeoutContext()443	defer cancel()444	resp, err := d.client.ContainerExecInspect(ctx, id)445	if ctxErr := contextError(ctx); ctxErr != nil {446		return nil, ctxErr447	}448	if err != nil {449		return nil, err450	}451	return &resp, nil452}453func (d *kubeDockerClient) AttachToContainer(id string, opts dockertypes.ContainerAttachOptions, sopts StreamOptions) error {454	ctx, cancel := d.getCancelableContext()455	defer cancel()456	resp, err := d.client.ContainerAttach(ctx, id, opts)457	if ctxErr := contextError(ctx); ctxErr != nil {458		return ctxErr459	}460	if err != nil {461		return err462	}463	defer resp.Close()464	return d.holdHijackedConnection(sopts.RawTerminal, sopts.InputStream, sopts.OutputStream, sopts.ErrorStream, resp)465}466func (d *kubeDockerClient) ResizeExecTTY(id string, height, width uint) error {467	ctx, cancel := d.getCancelableContext()468	defer cancel()469	return d.client.ContainerExecResize(ctx, id, dockertypes.ResizeOptions{470		Height: height,471		Width:  width,472	})473}474func (d *kubeDockerClient) ResizeContainerTTY(id string, height, width uint) error {475	ctx, cancel := d.getCancelableContext()476	defer cancel()477	return d.client.ContainerResize(ctx, id, dockertypes.ResizeOptions{478		Height: height,479		Width:  width,480	})481}482// GetContainerStats is currently only used for Windows container stats483func (d *kubeDockerClient) GetContainerStats(id string) (*dockertypes.StatsJSON, error) {484	ctx, cancel := d.getCancelableContext()485	defer cancel()486	response, err := d.client.ContainerStats(ctx, id, false)487	if err != nil {488		return nil, err489	}490	dec := json.NewDecoder(response.Body)491	var stats dockertypes.StatsJSON492	err = dec.Decode(&stats)493	if err != nil {494		return nil, err495	}496	defer response.Body.Close()497	return &stats, nil498}499// redirectResponseToOutputStream redirect the response stream to stdout and stderr. When tty is true, all stream will500// only be redirected to stdout.501func (d *kubeDockerClient) redirectResponseToOutputStream(tty bool, outputStream, errorStream io.Writer, resp io.Reader) error {502	if outputStream == nil {503		outputStream = ioutil.Discard504	}505	if errorStream == nil {506		errorStream = ioutil.Discard507	}508	var err error509	if tty {510		_, err = io.Copy(outputStream, resp)511	} else {512		_, err = dockerstdcopy.StdCopy(outputStream, errorStream, resp)513	}514	return err515}516// holdHijackedConnection hold the HijackedResponse, redirect the inputStream to the connection, and redirect the response517// stream to stdout and stderr. NOTE: If needed, we could also add context in this function.518func (d *kubeDockerClient) holdHijackedConnection(tty bool, inputStream io.Reader, outputStream, errorStream io.Writer, resp dockertypes.HijackedResponse) error {519	receiveStdout := make(chan error)520	if outputStream != nil || errorStream != nil {521		go func() {522			receiveStdout <- d.redirectResponseToOutputStream(tty, outputStream, errorStream, resp.Reader)523		}()524	}525	stdinDone := make(chan struct{})526	go func() {527		if inputStream != nil {528			io.Copy(resp.Conn, inputStream)529		}530		resp.CloseWrite()531		close(stdinDone)532	}()533	select {534	case err := <-receiveStdout:535		return err536	case <-stdinDone:537		if outputStream != nil || errorStream != nil {538			return <-receiveStdout539		}540	}541	return nil542}543// getCancelableContext returns a new cancelable context. For long running requests without timeout, we use cancelable544// context to avoid potential resource leak, although the current implementation shouldn't leak resource.545func (d *kubeDockerClient) getCancelableContext() (context.Context, context.CancelFunc) {546	return context.WithCancel(context.Background())547}548// getTimeoutContext returns a new context with default request timeout549func (d *kubeDockerClient) getTimeoutContext() (context.Context, context.CancelFunc) {550	return context.WithTimeout(context.Background(), d.timeout)551}552// getCustomTimeoutContext returns a new context with a specific request timeout553func (d *kubeDockerClient) getCustomTimeoutContext(timeout time.Duration) (context.Context, context.CancelFunc) {554	// Pick the larger of the two555	if d.timeout > timeout {556		timeout = d.timeout557	}558	return context.WithTimeout(context.Background(), timeout)559}560// contextError checks the context, and returns error if the context is timeout.561func contextError(ctx context.Context) error {562	if ctx.Err() == context.DeadlineExceeded {563		return operationTimeout{err: ctx.Err()}564	}565	return ctx.Err()566}567// StreamOptions are the options used to configure the stream redirection568type StreamOptions struct {569	RawTerminal  bool570	InputStream  io.Reader571	OutputStream io.Writer572	ErrorStream  io.Writer573	ExecStarted  chan struct{}574}575// operationTimeout is the error returned when the docker operations are timeout.576type operationTimeout struct {577	err error578}579func (e operationTimeout) Error() string {580	return fmt.Sprintf("operation timeout: %v", e.err)581}582// containerNotFoundErrorRegx is the regexp of container not found error message.583var containerNotFoundErrorRegx = regexp.MustCompile(`No such container: [0-9a-z]+`)584// IsContainerNotFoundError checks whether the error is container not found error.585func IsContainerNotFoundError(err error) bool {586	return containerNotFoundErrorRegx.MatchString(err.Error())587}588// ImageNotFoundError is the error returned by InspectImage when image not found.589// Expose this to inject error in dockershim for testing.590type ImageNotFoundError struct {591	ID string592}593func (e ImageNotFoundError) Error() string {594	return fmt.Sprintf("no such image: %q", e.ID)595}596// IsImageNotFoundError checks whether the error is image not found error. This is exposed597// to share with dockershim.598func IsImageNotFoundError(err error) bool {599	_, ok := err.(ImageNotFoundError)600	return ok...

String

Using AI Code Generation

1import (2func main() {3    err := golerror.New("This is a new error")4    fmt.Println(err)5}6import (7func main() {8    err := golerror.New("This is a new error")9    fmt.Println(err)10    fmt.Println("Error: ", err.Error())11}12import (13func main() {14    err := golerror.New("This is a new error")15    fmt.Println("Error: ", err.Error())16}17import (18func main() {19    err := golerror.New("This is a new error")20    fmt.Println("Error: ", err.Error())21}22import (23func main() {24    err := golerror.New("

String

Using AI Code Generation

1import (2func main() {3	ctxerr := golctxerr.New("main", "main")4	fmt.Println(ctxerr.String())5}6import (7func main() {8	ctxerr := golctxerr.New("main", "main")9	fmt.Println(ctxerr.Error())10}11import (12func main() {13	ctxerr := golctxerr.New("main", "main")14	fmt.Println(ctxerr)15}16import (17func main() {18	ctxerr := golctxerr.New("main", "main")19	fmt.Println(ctxerr.Error())20}21import (22func main() {23	ctxerr := golctxerr.New("main", "main")24	fmt.Println(ctxerr)25}26import (27func main() {28	ctxerr := golctxerr.New("main", "main")29	fmt.Println(ctxerr.Error())30}31import (32func main() {33	ctxerr := golctxerr.New("main", "main")34	fmt.Println(ctxerr)35}36import (37func main() {38	ctxerr := golctxerr.New("main", "

String

Using AI Code Generation

1import (2func main() {3	err = ctxerr.New("error message", ctxerr.WithCode(500))4	fmt.Println(err)5}6error message (code: 500)7import (8func main() {9	err = ctxerr.New("error message", ctxerr.WithCode(500))10	fmt.Println(err)11	fmt.Println(ctxerr.StackTrace(err))12}13error message (code: 500)14import (15func main() {16	err = ctxerr.New("error message", ctxerr.WithCode(500))17	fmt.Println(err)18	fmt.Println(ctxerr.StackTrace(err))19	fmt.Println(ctxerr.StackTrace(err, ctxerr.WithContext("user", "alextanhongpin")))20}21error message (code: 500)

String

Using AI Code Generation

1import "fmt"2import "github.com/GoLangsam/ctxerr"3func main() {4    e = ctxerr.New("error string")5    fmt.Println(e)6}7import "fmt"8import "github.com/GoLangsam/ctxerr"9func main() {10    e = ctxerr.New("error string")11    fmt.Println(e)12    fmt.Println(e.Error())13}14import "fmt"15import "github.com/GoLangsam/ctxerr"16func main() {17    e = ctxerr.New("error string")18    fmt.Println(e)19    fmt.Println(e.Error())20    fmt.Println(e.String())21}22import "fmt"23import "github.com/GoLangsam/ctxerr"24func main() {25    e = ctxerr.New("error string")26    fmt.Println(e)27    fmt.Println(e.Error())28    fmt.Println(e.String())29    fmt.Println(e)30}31import "fmt"32import "github.com/GoLangsam/ctxerr"33func main() {34    e = ctxerr.New("error string")35    fmt.Println(e)36    fmt.Println(e.Error())37    fmt.Println(e.String())38    fmt.Println(e)39    fmt.Println(e.Error())40}41import "fmt"42import "github.com/GoLangsam/ctxerr"43func main() {

String

Using AI Code Generation

1import (2func main() {3    err := ctxerr.New("context error")4    fmt.Println(err)5}6import (7func main() {8    err := ctxerr.New("context error")9    err = ctxerr.Wrap(err, os.Open("file.txt"))10    fmt.Println(err)11}12import (13func main() {14    err := ctxerr.New("context error")15    err = ctxerr.Wrap(err, os.Open("file.txt"))16    fmt.Println(err)17    fmt.Println(err.Details())18}19import (20func main() {21    err := ctxerr.New("context error")22    err = ctxerr.Wrap(err,

String

Using AI Code Generation

1import (2func main() {3    err := ctxerr.New("error message")4    fmt.Println(err)5}6import (7func main() {8    err := ctxerr.New("error message")9    err = ctxerr.Wrap(err, "context message")10    fmt.Println(err)11    fmt.Println(os.IsExist(err))12}13import (14func main() {15    err := ctxerr.New("error message")16    err = ctxerr.Wrapf(err, "context message: %s", "error message")17    fmt.Println(err)18    fmt.Println(os.IsExist(err))19}

String

Using AI Code Generation

1import "fmt"2import "github.com/rajdeepd/ctxerr"3func main() {4  err := ctxerr.New("Error occured")5  fmt.Println(err)6}7Error()8Error()9Error()10Error()11Error()

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