Golang schema1.NewConfigManifestBuilder函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› Go›Go教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/docker/distribution/manifest/schema1.NewConfigManifestBuilder函数的典型用法代码示例。如果您正苦于以下问题：Golang NewConfigManifestBuilder函数的具体用法？Golang NewConfigManifestBuilder怎么用？Golang NewConfigManifestBuilder使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewConfigManifestBuilder函数的3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，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: convertSchema2Manifest

func (imh *imageManifestHandler) convertSchema2Manifest(schema2Manifest *schema2.DeserializedManifest) (distribution.Manifest, error) {
	targetDescriptor := schema2Manifest.Target()
	blobs := imh.Repository.Blobs(imh)
	configJSON, err := blobs.Get(imh, targetDescriptor.Digest)
	if err != nil {
		imh.Errors = append(imh.Errors, v2.ErrorCodeManifestInvalid.WithDetail(err))
		return nil, err
	}

	ref := imh.Repository.Named()

	if imh.Tag != "" {
		ref, err = reference.WithTag(ref, imh.Tag)
		if err != nil {
			imh.Errors = append(imh.Errors, v2.ErrorCodeTagInvalid.WithDetail(err))
			return nil, err
		}
	}

	builder := schema1.NewConfigManifestBuilder(imh.Repository.Blobs(imh), imh.Context.App.trustKey, ref, configJSON)
	for _, d := range schema2Manifest.References() {
		if err := builder.AppendReference(d); err != nil {
			imh.Errors = append(imh.Errors, v2.ErrorCodeManifestInvalid.WithDetail(err))
			return nil, err
		}
	}
	manifest, err := builder.Build(imh)
	if err != nil {
		imh.Errors = append(imh.Errors, v2.ErrorCodeManifestInvalid.WithDetail(err))
		return nil, err
	}
	imh.Digest = digest.FromBytes(manifest.(*schema1.SignedManifest).Canonical)

	return manifest, nil
}

开发者ID:Xmagicer，项目名称:origin，代码行数:35，代码来源:images.go

示例2: pushV2Tag

func (p *v2Pusher) pushV2Tag(ctx context.Context, ref reference.NamedTagged, imageID image.ID) error {
	logrus.Debugf("Pushing repository: %s", ref.String())

	img, err := p.config.ImageStore.Get(imageID)
	if err != nil {
		return fmt.Errorf("could not find image from tag %s: %v", ref.String(), err)
	}

	var l layer.Layer

	topLayerID := img.RootFS.ChainID()
	if topLayerID == "" {
		l = layer.EmptyLayer
	} else {
		l, err = p.config.LayerStore.Get(topLayerID)
		if err != nil {
			return fmt.Errorf("failed to get top layer from image: %v", err)
		}
		defer layer.ReleaseAndLog(p.config.LayerStore, l)
	}

	var descriptors []xfer.UploadDescriptor

	descriptorTemplate := v2PushDescriptor{
		v2MetadataService: p.v2MetadataService,
		repoInfo:          p.repoInfo,
		repo:              p.repo,
		pushState:         &p.pushState,
	}

	// Loop bounds condition is to avoid pushing the base layer on Windows.
	for i := 0; i < len(img.RootFS.DiffIDs); i++ {
		descriptor := descriptorTemplate
		descriptor.layer = l
		descriptors = append(descriptors, &descriptor)

		l = l.Parent()
	}

	if err := p.config.UploadManager.Upload(ctx, descriptors, p.config.ProgressOutput); err != nil {
		return err
	}

	// Try schema2 first
	builder := schema2.NewManifestBuilder(p.repo.Blobs(ctx), img.RawJSON())
	manifest, err := manifestFromBuilder(ctx, builder, descriptors)
	if err != nil {
		return err
	}

	manSvc, err := p.repo.Manifests(ctx)
	if err != nil {
		return err
	}

	putOptions := []distribution.ManifestServiceOption{client.WithTag(ref.Tag())}
	if _, err = manSvc.Put(ctx, manifest, putOptions...); err != nil {
		logrus.Warnf("failed to upload schema2 manifest: %v - falling back to schema1", err)

		manifestRef, err := distreference.WithTag(p.repo.Named(), ref.Tag())
		if err != nil {
			return err
		}
		builder = schema1.NewConfigManifestBuilder(p.repo.Blobs(ctx), p.config.TrustKey, manifestRef, img.RawJSON())
		manifest, err = manifestFromBuilder(ctx, builder, descriptors)
		if err != nil {
			return err
		}

		if _, err = manSvc.Put(ctx, manifest, putOptions...); err != nil {
			return err
		}
	}

	var canonicalManifest []byte

	switch v := manifest.(type) {
	case *schema1.SignedManifest:
		canonicalManifest = v.Canonical
	case *schema2.DeserializedManifest:
		_, canonicalManifest, err = v.Payload()
		if err != nil {
			return err
		}
	}

	manifestDigest := digest.FromBytes(canonicalManifest)
	progress.Messagef(p.config.ProgressOutput, "", "%s: digest: %s size: %d", ref.Tag(), manifestDigest, len(canonicalManifest))
	// Signal digest to the trust client so it can sign the
	// push, if appropriate.
	progress.Aux(p.config.ProgressOutput, PushResult{Tag: ref.Tag(), Digest: manifestDigest, Size: len(canonicalManifest)})

	return nil
}

开发者ID:supasate，项目名称:docker，代码行数:94，代码来源:push_v2.go

示例3: pushV2Tag

func (p *v2Pusher) pushV2Tag(ctx context.Context, ref reference.NamedTagged, id digest.Digest) error {
	logrus.Debugf("Pushing repository: %s", ref.String())

	imgConfig, err := p.config.ImageStore.Get(id)
	if err != nil {
		return fmt.Errorf("could not find image from tag %s: %v", ref.String(), err)
	}

	rootfs, err := p.config.ImageStore.RootFSFromConfig(imgConfig)
	if err != nil {
		return fmt.Errorf("unable to get rootfs for image %s: %s", ref.String(), err)
	}

	l, err := p.config.LayerStore.Get(rootfs.ChainID())
	if err != nil {
		return fmt.Errorf("failed to get top layer from image: %v", err)
	}
	defer l.Release()

	hmacKey, err := metadata.ComputeV2MetadataHMACKey(p.config.AuthConfig)
	if err != nil {
		return fmt.Errorf("failed to compute hmac key of auth config: %v", err)
	}

	var descriptors []xfer.UploadDescriptor

	descriptorTemplate := v2PushDescriptor{
		v2MetadataService: p.v2MetadataService,
		hmacKey:           hmacKey,
		repoInfo:          p.repoInfo,
		ref:               p.ref,
		repo:              p.repo,
		pushState:         &p.pushState,
	}

	// Loop bounds condition is to avoid pushing the base layer on Windows.
	for i := 0; i < len(rootfs.DiffIDs); i++ {
		descriptor := descriptorTemplate
		descriptor.layer = l
		descriptor.checkedDigests = make(map[digest.Digest]struct{})
		descriptors = append(descriptors, &descriptor)

		l = l.Parent()
	}

	if err := p.config.UploadManager.Upload(ctx, descriptors, p.config.ProgressOutput); err != nil {
		return err
	}

	// Try schema2 first
	builder := schema2.NewManifestBuilder(p.repo.Blobs(ctx), p.config.ConfigMediaType, imgConfig)
	manifest, err := manifestFromBuilder(ctx, builder, descriptors)
	if err != nil {
		return err
	}

	manSvc, err := p.repo.Manifests(ctx)
	if err != nil {
		return err
	}

	putOptions := []distribution.ManifestServiceOption{distribution.WithTag(ref.Tag())}
	if _, err = manSvc.Put(ctx, manifest, putOptions...); err != nil {
		if runtime.GOOS == "windows" || p.config.TrustKey == nil || p.config.RequireSchema2 {
			logrus.Warnf("failed to upload schema2 manifest: %v", err)
			return err
		}

		logrus.Warnf("failed to upload schema2 manifest: %v - falling back to schema1", err)

		manifestRef, err := distreference.WithTag(p.repo.Named(), ref.Tag())
		if err != nil {
			return err
		}
		builder = schema1.NewConfigManifestBuilder(p.repo.Blobs(ctx), p.config.TrustKey, manifestRef, imgConfig)
		manifest, err = manifestFromBuilder(ctx, builder, descriptors)
		if err != nil {
			return err
		}

		if _, err = manSvc.Put(ctx, manifest, putOptions...); err != nil {
			return err
		}
	}

	var canonicalManifest []byte

	switch v := manifest.(type) {
	case *schema1.SignedManifest:
		canonicalManifest = v.Canonical
	case *schema2.DeserializedManifest:
		_, canonicalManifest, err = v.Payload()
		if err != nil {
			return err
		}
	}

	manifestDigest := digest.FromBytes(canonicalManifest)
	progress.Messagef(p.config.ProgressOutput, "", "%s: digest: %s size: %d", ref.Tag(), manifestDigest, len(canonicalManifest))

//.........这里部分代码省略.........

开发者ID:mYmNeo，项目名称:docker，代码行数:101，代码来源:push_v2.go

注：本文中的github.com/docker/distribution/manifest/schema1.NewConfigManifestBuilder函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。