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Golang RateLimiter.Accept方法代码示例

本文整理汇总了Golang中k8s/io/kubernetes/pkg/util.RateLimiter.Accept方法的典型用法代码示例。如果您正苦于以下问题:Golang RateLimiter.Accept方法的具体用法?Golang RateLimiter.Accept怎么用?Golang RateLimiter.Accept使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在k8s/io/kubernetes/pkg/util.RateLimiter的用法示例。


在下文中一共展示了RateLimiter.Accept方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: importRepositoryFromDockerV1

func importRepositoryFromDockerV1(ctx gocontext.Context, repository *importRepository, limiter util.RateLimiter) {
	value := ctx.Value(ContextKeyV1RegistryClient)
	if value == nil {
		err := kapierrors.NewForbidden("", "", fmt.Errorf("registry %q does not support the v2 Registry API", repository.Registry.Host)).(*kapierrors.StatusError)
		err.ErrStatus.Reason = "NotV2Registry"
		applyErrorToRepository(repository, err)
		return
	}
	client, ok := value.(dockerregistry.Client)
	if !ok {
		err := kapierrors.NewForbidden("", "", fmt.Errorf("registry %q does not support the v2 Registry API", repository.Registry.Host)).(*kapierrors.StatusError)
		err.ErrStatus.Reason = "NotV2Registry"
		return
	}
	conn, err := client.Connect(repository.Registry.Host, repository.Insecure)
	if err != nil {
		applyErrorToRepository(repository, err)
		return
	}

	// if repository import is requested (MaximumTags), attempt to load the tags, sort them, and request the first N
	if count := repository.MaximumTags; count > 0 {
		tagMap, err := conn.ImageTags(repository.Ref.Namespace, repository.Ref.Name)
		if err != nil {
			repository.Err = err
			return
		}
		tags := make([]string, 0, len(tagMap))
		for tag := range tagMap {
			tags = append(tags, tag)
		}
		// some images on the Hub have empty tags - treat those as "latest"
		set := sets.NewString(tags...)
		if set.Has("") {
			set.Delete("")
			set.Insert(api.DefaultImageTag)
		}
		tags = set.List()
		// include only the top N tags in the result, put the rest in AdditionalTags
		api.PrioritizeTags(tags)
		for _, s := range tags {
			if count <= 0 {
				repository.AdditionalTags = append(repository.AdditionalTags, s)
				continue
			}
			count--
			repository.Tags = append(repository.Tags, importTag{
				Name: s,
			})
		}
	}

	// load digests
	for i := range repository.Digests {
		importDigest := &repository.Digests[i]
		if importDigest.Err != nil || importDigest.Image != nil {
			continue
		}
		limiter.Accept()
		image, err := conn.ImageByID(repository.Ref.Namespace, repository.Ref.Name, importDigest.Name)
		if err != nil {
			importDigest.Err = err
			continue
		}
		// we do not preserve manifests of legacy images
		importDigest.Image, err = schema0ToImage(image, importDigest.Name)
		if err != nil {
			importDigest.Err = err
			continue
		}
	}

	for i := range repository.Tags {
		importTag := &repository.Tags[i]
		if importTag.Err != nil || importTag.Image != nil {
			continue
		}
		limiter.Accept()
		image, err := conn.ImageByTag(repository.Ref.Namespace, repository.Ref.Name, importTag.Name)
		if err != nil {
			importTag.Err = err
			continue
		}
		// we do not preserve manifests of legacy images
		importTag.Image, err = schema0ToImage(image, "")
		if err != nil {
			importTag.Err = err
			continue
		}
	}
}
开发者ID:Vitogee,项目名称:origin,代码行数:91,代码来源:importer.go

示例2: importRepositoryFromDocker

// importRepositoryFromDocker loads the tags and images requested in the passed importRepository, obeying the
// optional rate limiter.  Errors are set onto the individual tags and digest objects.
func importRepositoryFromDocker(ctx gocontext.Context, retriever RepositoryRetriever, repository *importRepository, limiter util.RateLimiter) {
	// retrieve the repository
	repo, err := retriever.Repository(ctx, repository.Registry, repository.Name, repository.Insecure)
	if err != nil {
		glog.V(5).Infof("unable to access repository %#v: %#v", repository, err)
		switch {
		case isDockerError(err, v2.ErrorCodeNameUnknown):
			err = kapierrors.NewNotFound("DockerImage", repository.Ref.Exact())
		case isDockerError(err, errcode.ErrorCodeUnauthorized):
			err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q", repository.Ref.Exact()))
		case strings.Contains(err.Error(), "tls: oversized record received with length") && !repository.Insecure:
			err = kapierrors.NewBadRequest("this repository is HTTP only and requires the insecure flag to import")
		case strings.HasSuffix(err.Error(), "no basic auth credentials"):
			err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q and did not have credentials to the repository", repository.Ref.Exact()))
		case strings.HasSuffix(err.Error(), "does not support v2 API"):
			importRepositoryFromDockerV1(ctx, repository, limiter)
			return
		}
		applyErrorToRepository(repository, err)
		return
	}

	// get a manifest context
	s, err := repo.Manifests(ctx)
	if err != nil {
		glog.V(5).Infof("unable to access manifests for repository %#v: %#v", repository, err)
		switch {
		case isDockerError(err, v2.ErrorCodeNameUnknown):
			err = kapierrors.NewNotFound("DockerImage", repository.Ref.Exact())
		case isDockerError(err, errcode.ErrorCodeUnauthorized):
			err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q", repository.Ref.Exact()))
		case strings.HasSuffix(err.Error(), "no basic auth credentials"):
			err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q and did not have credentials to the repository", repository.Ref.Exact()))
		}
		applyErrorToRepository(repository, err)
		return
	}

	// if repository import is requested (MaximumTags), attempt to load the tags, sort them, and request the first N
	if count := repository.MaximumTags; count > 0 || count == -1 {
		tags, err := s.Tags()
		if err != nil {
			glog.V(5).Infof("unable to access tags for repository %#v: %#v", repository, err)
			switch {
			case isDockerError(err, v2.ErrorCodeNameUnknown):
				err = kapierrors.NewNotFound("DockerImage", repository.Ref.Exact())
			case isDockerError(err, errcode.ErrorCodeUnauthorized):
				err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q", repository.Ref.Exact()))
			}
			repository.Err = err
			return
		}
		// some images on the Hub have empty tags - treat those as "latest"
		set := sets.NewString(tags...)
		if set.Has("") {
			set.Delete("")
			set.Insert(api.DefaultImageTag)
		}
		tags = set.List()
		// include only the top N tags in the result, put the rest in AdditionalTags
		api.PrioritizeTags(tags)
		for _, s := range tags {
			if count <= 0 && repository.MaximumTags != -1 {
				repository.AdditionalTags = append(repository.AdditionalTags, s)
				continue
			}
			count--
			repository.Tags = append(repository.Tags, importTag{
				Name: s,
			})
		}
	}

	// load digests
	for i := range repository.Digests {
		importDigest := &repository.Digests[i]
		if importDigest.Err != nil || importDigest.Image != nil {
			continue
		}
		d, err := digest.ParseDigest(importDigest.Name)
		if err != nil {
			importDigest.Err = err
			continue
		}
		limiter.Accept()
		m, err := s.Get(d)
		if err != nil {
			glog.V(5).Infof("unable to access digest %q for repository %#v: %#v", d, repository, err)
			switch {
			case isDockerError(err, v2.ErrorCodeManifestUnknown):
				ref := repository.Ref
				ref.Tag, ref.ID = "", importDigest.Name
				err = kapierrors.NewNotFound("DockerImage", ref.Exact())
			case isDockerError(err, errcode.ErrorCodeUnauthorized):
				err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q", repository.Ref.Exact()))
			case strings.HasSuffix(err.Error(), "no basic auth credentials"):
				err = kapierrors.NewUnauthorized(fmt.Sprintf("you may not have access to the Docker image %q", repository.Ref.Exact()))
			}
//.........这里部分代码省略.........
开发者ID:Vitogee,项目名称:origin,代码行数:101,代码来源:importer.go


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