Golang storage.BlobDescriptorCacheProvider函数代码示例

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本文整理汇总了Golang中github.com/docker/distribution/registry/storage.BlobDescriptorCacheProvider函数的典型用法代码示例。如果您正苦于以下问题：Golang BlobDescriptorCacheProvider函数的具体用法？Golang BlobDescriptorCacheProvider怎么用？Golang BlobDescriptorCacheProvider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BlobDescriptorCacheProvider函数的10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: newManifestStoreTestEnv

func newManifestStoreTestEnv(t *testing.T, name, tag string) *manifestStoreTestEnv {
	nameRef, err := reference.ParseNamed(name)
	if err != nil {
		t.Fatalf("unable to parse reference: %s", err)
	}

	ctx := context.Background()
	truthRegistry, err := storage.NewRegistry(ctx, inmemory.New(), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()))
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	truthRepo, err := truthRegistry.Repository(ctx, nameRef)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}
	tr, err := truthRepo.Manifests(ctx)
	if err != nil {
		t.Fatal(err.Error())
	}
	truthManifests := statsManifest{
		manifests: tr,
		stats:     make(map[string]int),
	}

	manifestDigest, err := populateRepo(t, ctx, truthRepo, name, tag)
	if err != nil {
		t.Fatalf(err.Error())
	}

	localRegistry, err := storage.NewRegistry(ctx, inmemory.New(), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableRedirect, storage.DisableDigestResumption)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	localRepo, err := localRegistry.Repository(ctx, nameRef)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}
	lr, err := localRepo.Manifests(ctx)
	if err != nil {
		t.Fatal(err.Error())
	}

	localManifests := statsManifest{
		manifests: lr,
		stats:     make(map[string]int),
	}

	s := scheduler.New(ctx, inmemory.New(), "/scheduler-state.json")
	return &manifestStoreTestEnv{
		manifestDigest: manifestDigest,
		manifests: proxyManifestStore{
			ctx:             ctx,
			localManifests:  localManifests,
			remoteManifests: truthManifests,
			scheduler:       s,
			repositoryName:  nameRef,
			authChallenger:  &mockChallenger{},
		},
	}
}

开发者ID:ZenoRewn，项目名称:origin，代码行数:60，代码来源:proxymanifeststore_test.go

示例2: makeTestEnv

// Populate remote store and record the digests
func makeTestEnv(t *testing.T, name string) *testEnv {
	ctx := context.Background()

	truthDir, err := ioutil.TempDir("", "truth")
	if err != nil {
		t.Fatalf("unable to create tempdir: %s", err)
	}

	cacheDir, err := ioutil.TempDir("", "cache")
	if err != nil {
		t.Fatalf("unable to create tempdir: %s", err)
	}

	// todo: create a tempfile area here
	localRegistry, err := storage.NewRegistry(ctx, filesystem.New(truthDir), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableRedirect, storage.DisableDigestResumption)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	localRepo, err := localRegistry.Repository(ctx, name)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	truthRegistry, err := storage.NewRegistry(ctx, filesystem.New(cacheDir), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()))
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	truthRepo, err := truthRegistry.Repository(ctx, name)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	truthBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: truthRepo.Blobs(ctx),
	}

	localBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: localRepo.Blobs(ctx),
	}

	s := scheduler.New(ctx, inmemory.New(), "/scheduler-state.json")

	proxyBlobStore := proxyBlobStore{
		remoteStore: truthBlobs,
		localStore:  localBlobs,
		scheduler:   s,
	}

	te := &testEnv{
		store: proxyBlobStore,
		ctx:   ctx,
	}
	return te
}

开发者ID:rkazak，项目名称:distribution，代码行数:57，代码来源:proxyblobstore_test.go

示例3: TestListener

func TestListener(t *testing.T) {
	ctx := context.Background()
	registry, err := storage.NewRegistry(ctx, inmemory.New(), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableDelete, storage.EnableRedirect)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	tl := &testListener{
		ops: make(map[string]int),
	}

	repoRef, _ := reference.ParseNamed("foo/bar")
	repository, err := registry.Repository(ctx, repoRef)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}
	repository = Listen(repository, tl)

	// Now take the registry through a number of operations
	checkExerciseRepository(t, repository)

	expectedOps := map[string]int{
		"manifest:push": 1,
		"manifest:pull": 1,
		// "manifest:delete": 0, // deletes not supported for now
		"layer:push": 2,
		"layer:pull": 2,
		// "layer:delete":    0, // deletes not supported for now
	}

	if !reflect.DeepEqual(tl.ops, expectedOps) {
		t.Fatalf("counts do not match:\n%v\n !=\n%v", tl.ops, expectedOps)
	}

}

开发者ID:xissy，项目名称:distribution，代码行数:34，代码来源:listener_test.go

示例4: makeTestEnv

// Populate remote store and record the digests
func makeTestEnv(t *testing.T, name string) testEnv {
	ctx := context.Background()

	localRegistry, err := storage.NewRegistry(ctx, inmemory.New(), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableRedirect, storage.DisableDigestResumption)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	localRepo, err := localRegistry.Repository(ctx, name)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	truthRegistry, err := storage.NewRegistry(ctx, inmemory.New(), storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()))
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	truthRepo, err := truthRegistry.Repository(ctx, name)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	truthBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: truthRepo.Blobs(ctx),
	}

	localBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: localRepo.Blobs(ctx),
	}

	s := scheduler.New(ctx, inmemory.New(), "/scheduler-state.json")

	proxyBlobStore := proxyBlobStore{
		remoteStore: truthBlobs,
		localStore:  localBlobs,
		scheduler:   s,
	}

	te := testEnv{
		store: proxyBlobStore,
		ctx:   ctx,
	}
	return te
}

开发者ID:vivekjuneja，项目名称:distribution，代码行数:46，代码来源:proxyblobstore_test.go

示例5: newTestRegistry

func newTestRegistry(
	ctx context.Context,
	osClient client.Interface,
	storageDriver driver.StorageDriver,
	blobrepositorycachettl time.Duration,
	pullthrough bool,
	useBlobDescriptorCacheProvider bool,
) (*testRegistry, error) {
	if storageDriver == nil {
		storageDriver = inmemory.New()
	}
	dockerStorageDriver = storageDriver

	opts := []storage.RegistryOption{
		storage.BlobDescriptorServiceFactory(&blobDescriptorServiceFactory{}),
		storage.EnableDelete,
		storage.EnableRedirect,
	}
	if useBlobDescriptorCacheProvider {
		cacheProvider := cache.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider())
		opts = append(opts, storage.BlobDescriptorCacheProvider(cacheProvider))
	}

	reg, err := storage.NewRegistry(ctx, dockerStorageDriver, opts...)
	if err != nil {
		return nil, err
	}
	dockerRegistry = reg

	return &testRegistry{
		Namespace:              dockerRegistry,
		osClient:               osClient,
		blobrepositorycachettl: blobrepositorycachettl,
		pullthrough:            pullthrough,
	}, nil
}

开发者ID:juanluisvaladas，项目名称:origin，代码行数:36，代码来源:repositorymiddleware_test.go

示例6: main

func main() {
	var configPath, reposPath string
	flag.StringVar(&configPath, "config", "", "path to a config file")
	flag.StringVar(&reposPath, "repos", "", "file with a list of repos")
	flag.Parse()

	if configPath == "" {
		fmt.Fprintln(os.Stderr, "must supply a config file with -config")
		flag.Usage()
		return
	}

	// Parse config file
	configFile, err := os.Open(configPath)
	if err != nil {
		panic(fmt.Sprintf("error opening config file: %v", err))
	}
	defer configFile.Close()

	config, err := configuration.Parse(configFile)
	if err != nil {
		panic(fmt.Sprintf("error parsing config file: %v", err))
	}

	ctx := context.Background()

	driver, err := factory.Create(config.Storage.Type(), config.Storage.Parameters())
	if err != nil {
		panic(fmt.Sprintf("error creating storage driver: %v", err))
	}

	registry, _ := storage.NewRegistry(ctx, driver, storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()))

	var repos []string

	if reposPath != "" {
		reposFile, err := os.Open(reposPath)
		if err != nil {
			panic(fmt.Sprintf("could not open repos file: %v", err))
		}

		scanner := bufio.NewScanner(reposFile)
		for scanner.Scan() {
			repoName := scanner.Text()
			if len(repoName) > 0 {
				if repoName[0] == '+' {
					repoName = repoName[1:]
				}
				repos = append(repos, repoName)
			}
		}
	} else {
		repos = make([]string, maxRepos)

		n, err := registry.Repositories(ctx, repos, "")
		if err != nil && err != io.EOF {
			panic(fmt.Sprintf("unexpected error getting repo: %v", err))
		}
		if n == maxRepos {
			panic("too many repositories")
		}

		repos = repos[:n]
	}

	var wg sync.WaitGroup
	repoChan := make(chan string)

	for i := 0; i < 30; i++ {
		wg.Add(1)
		go func() {
			for repoName := range repoChan {
				if err := checkRepo(registry, repoName); err != nil {
					fmt.Fprintln(os.Stderr, err)
				}
			}
			wg.Done()
		}()
	}

	for _, repoName := range repos {
		repoChan <- repoName
	}

	close(repoChan)

	wg.Wait()
}

开发者ID:aaronlehmann，项目名称:manifest-check，代码行数:88，代码来源:main.go

示例7: TestAppDispatcher

// TestAppDispatcher builds an application with a test dispatcher and ensures
// that requests are properly dispatched and the handlers are constructed.
// This only tests the dispatch mechanism. The underlying dispatchers must be
// tested individually.
func TestAppDispatcher(t *testing.T) {
	driver := inmemory.New()
	ctx := context.Background()
	registry, err := storage.NewRegistry(ctx, driver, storage.BlobDescriptorCacheProvider(memorycache.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableDelete, storage.EnableRedirect)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	app := &App{
		Config:   &configuration.Configuration{},
		Context:  ctx,
		router:   v2.Router(),
		driver:   driver,
		registry: registry,
	}
	server := httptest.NewServer(app)
	router := v2.Router()

	serverURL, err := url.Parse(server.URL)
	if err != nil {
		t.Fatalf("error parsing server url: %v", err)
	}

	varCheckingDispatcher := func(expectedVars map[string]string) dispatchFunc {
		return func(ctx *Context, r *http.Request) http.Handler {
			// Always checks the same name context
			if ctx.Repository.Named().Name() != getName(ctx) {
				t.Fatalf("unexpected name: %q != %q", ctx.Repository.Named().Name(), "foo/bar")
			}

			// Check that we have all that is expected
			for expectedK, expectedV := range expectedVars {
				if ctx.Value(expectedK) != expectedV {
					t.Fatalf("unexpected %s in context vars: %q != %q", expectedK, ctx.Value(expectedK), expectedV)
				}
			}

			// Check that we only have variables that are expected
			for k, v := range ctx.Value("vars").(map[string]string) {
				_, ok := expectedVars[k]

				if !ok { // name is checked on context
					// We have an unexpected key, fail
					t.Fatalf("unexpected key %q in vars with value %q", k, v)
				}
			}

			return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				w.WriteHeader(http.StatusOK)
			})
		}
	}

	// unflatten a list of variables, suitable for gorilla/mux, to a map[string]string
	unflatten := func(vars []string) map[string]string {
		m := make(map[string]string)
		for i := 0; i < len(vars)-1; i = i + 2 {
			m[vars[i]] = vars[i+1]
		}

		return m
	}

	for _, testcase := range []struct {
		endpoint string
		vars     []string
	}{
		{
			endpoint: v2.RouteNameManifest,
			vars: []string{
				"name", "foo/bar",
				"reference", "sometag",
			},
		},
		{
			endpoint: v2.RouteNameTags,
			vars: []string{
				"name", "foo/bar",
			},
		},
		{
			endpoint: v2.RouteNameBlobUpload,
			vars: []string{
				"name", "foo/bar",
			},
		},
		{
			endpoint: v2.RouteNameBlobUploadChunk,
			vars: []string{
				"name", "foo/bar",
				"uuid", "theuuid",
			},
		},
	} {
		app.register(testcase.endpoint, varCheckingDispatcher(unflatten(testcase.vars)))
		route := router.GetRoute(testcase.endpoint).Host(serverURL.Host)
		u, err := route.URL(testcase.vars...)
//.........这里部分代码省略.........

开发者ID:kasisnu，项目名称:distribution，代码行数:101，代码来源:app_test.go

示例8: NewApp


//.........这里部分代码省略.........
	}

	// configure deletion
	if d, ok := configuration.Storage["delete"]; ok {
		e, ok := d["enabled"]
		if ok {
			if deleteEnabled, ok := e.(bool); ok && deleteEnabled {
				options = append(options, storage.EnableDelete)
			}
		}
	}

	// configure redirects
	var redirectDisabled bool
	if redirectConfig, ok := configuration.Storage["redirect"]; ok {
		v := redirectConfig["disable"]
		switch v := v.(type) {
		case bool:
			redirectDisabled = v
		default:
			panic(fmt.Sprintf("invalid type for redirect config: %#v", redirectConfig))
		}
	}
	if redirectDisabled {
		ctxu.GetLogger(app).Infof("backend redirection disabled")
	} else {
		options = append(options, storage.EnableRedirect)
	}

	// configure storage caches
	if cc, ok := configuration.Storage["cache"]; ok {
		v, ok := cc["blobdescriptor"]
		if !ok {
			// Backwards compatible: "layerinfo" == "blobdescriptor"
			v = cc["layerinfo"]
		}

		switch v {
		case "redis":
			if app.redis == nil {
				panic("redis configuration required to use for layerinfo cache")
			}
			cacheProvider := rediscache.NewRedisBlobDescriptorCacheProvider(app.redis)
			localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
			app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
			if err != nil {
				panic("could not create registry: " + err.Error())
			}
			ctxu.GetLogger(app).Infof("using redis blob descriptor cache")
		case "inmemory":
			cacheProvider := memorycache.NewInMemoryBlobDescriptorCacheProvider()
			localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
			app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
			if err != nil {
				panic("could not create registry: " + err.Error())
			}
			ctxu.GetLogger(app).Infof("using inmemory blob descriptor cache")
		default:
			if v != "" {
				ctxu.GetLogger(app).Warnf("unknown cache type %q, caching disabled", configuration.Storage["cache"])
			}
		}
	}

	if app.registry == nil {
		// configure the registry if no cache section is available.
		app.registry, err = storage.NewRegistry(app.Context, app.driver, options...)
		if err != nil {
			panic("could not create registry: " + err.Error())
		}
	}

	app.registry, err = applyRegistryMiddleware(app.Context, app.registry, configuration.Middleware["registry"])
	if err != nil {
		panic(err)
	}

	authType := configuration.Auth.Type()

	if authType != "" {
		accessController, err := auth.GetAccessController(configuration.Auth.Type(), configuration.Auth.Parameters())
		if err != nil {
			panic(fmt.Sprintf("unable to configure authorization (%s): %v", authType, err))
		}
		app.accessController = accessController
		ctxu.GetLogger(app).Debugf("configured %q access controller", authType)
	}

	// configure as a pull through cache
	if configuration.Proxy.RemoteURL != "" {
		app.registry, err = proxy.NewRegistryPullThroughCache(ctx, app.registry, app.driver, configuration.Proxy)
		if err != nil {
			panic(err.Error())
		}
		app.isCache = true
		ctxu.GetLogger(app).Info("Registry configured as a proxy cache to ", configuration.Proxy.RemoteURL)
	}

	return app
}

开发者ID:toby82，项目名称:distribution，代码行数:101，代码来源:app.go

示例9: makeTestEnv

// Populate remote store and record the digests
func makeTestEnv(t *testing.T, name string) *testEnv {
	nameRef, err := reference.ParseNamed(name)
	if err != nil {
		t.Fatalf("unable to parse reference: %s", err)
	}

	ctx := context.Background()

	truthDir, err := ioutil.TempDir("", "truth")
	if err != nil {
		t.Fatalf("unable to create tempdir: %s", err)
	}

	cacheDir, err := ioutil.TempDir("", "cache")
	if err != nil {
		t.Fatalf("unable to create tempdir: %s", err)
	}

	localDriver, err := filesystem.FromParameters(map[string]interface{}{
		"rootdirectory": truthDir,
	})
	if err != nil {
		t.Fatalf("unable to create filesystem driver: %s", err)
	}

	// todo: create a tempfile area here
	localRegistry, err := storage.NewRegistry(ctx, localDriver, storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), storage.EnableRedirect, storage.DisableDigestResumption)
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	localRepo, err := localRegistry.Repository(ctx, nameRef)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	cacheDriver, err := filesystem.FromParameters(map[string]interface{}{
		"rootdirectory": cacheDir,
	})
	if err != nil {
		t.Fatalf("unable to create filesystem driver: %s", err)
	}

	truthRegistry, err := storage.NewRegistry(ctx, cacheDriver, storage.BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()))
	if err != nil {
		t.Fatalf("error creating registry: %v", err)
	}
	truthRepo, err := truthRegistry.Repository(ctx, nameRef)
	if err != nil {
		t.Fatalf("unexpected error getting repo: %v", err)
	}

	truthBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: truthRepo.Blobs(ctx),
	}

	localBlobs := statsBlobStore{
		stats: make(map[string]int),
		blobs: localRepo.Blobs(ctx),
	}

	s := scheduler.New(ctx, inmemory.New(), "/scheduler-state.json")

	proxyBlobStore := proxyBlobStore{
		repositoryName: nameRef,
		remoteStore:    truthBlobs,
		localStore:     localBlobs,
		scheduler:      s,
		authChallenger: &mockChallenger{},
	}

	te := &testEnv{
		store: proxyBlobStore,
		ctx:   ctx,
	}
	return te
}

开发者ID:tpounds，项目名称:distribution，代码行数:78，代码来源:proxyblobstore_test.go

示例10: NewApp


//.........这里部分代码省略.........
		e, ok := d["enabled"]
		if ok {
			if deleteEnabled, ok := e.(bool); ok && deleteEnabled {
				options = append(options, storage.EnableDelete)
			}
		}
	}

	// configure redirects
	var redirectDisabled bool
	if redirectConfig, ok := configuration.Storage["redirect"]; ok {
		v := redirectConfig["disable"]
		switch v := v.(type) {
		case bool:
			redirectDisabled = v
		default:
			panic(fmt.Sprintf("invalid type for redirect config: %#v", redirectConfig))
		}
	}
	if redirectDisabled {
		ctxu.GetLogger(app).Infof("backend redirection disabled")
	} else {
		options = append(options, storage.EnableRedirect)
	}
	fmt.Printf("Configuring caches\n")
	// configure storage caches
	if cc, ok := configuration.Storage["cache"]; ok {
		v, ok := cc["blobdescriptor"]
		if !ok {
			// Backwards compatible: "layerinfo" == "blobdescriptor"
			v = cc["layerinfo"]
		}

		switch v {
		case "redis":
			if app.redis == nil {
				panic("redis configuration required to use for layerinfo cache")
			}
			cacheProvider := rediscache.NewRedisBlobDescriptorCacheProvider(app.redis)
			localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
			app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
			if err != nil {
				panic("could not create registry: " + err.Error())
			}
			ctxu.GetLogger(app).Infof("using redis blob descriptor cache")
		case "inmemory":
			cacheProvider := memorycache.NewInMemoryBlobDescriptorCacheProvider()
			localOptions := append(options, storage.BlobDescriptorCacheProvider(cacheProvider))
			app.registry, err = storage.NewRegistry(app, app.driver, localOptions...)
			if err != nil {
				panic("could not create registry: " + err.Error())
			}
			ctxu.GetLogger(app).Infof("using inmemory blob descriptor cache")
		default:
			if v != "" {
				ctxu.GetLogger(app).Warnf("unknown cache type %q, caching disabled", configuration.Storage["cache"])
			}
		}
	}

	if app.registry == nil {
		// configure the registry if no cache section is available.
		app.registry, err = storage.NewRegistry(app.Context, app.driver, options...)
		if err != nil {
			panic("could not create registry: " + err.Error())
		}
	}

	fmt.Printf("Starting applyRegistryMiddleware\n")

	app.registry, err = applyRegistryMiddleware(app.Context, app.registry, configuration.Middleware["registry"])
	if err != nil {
		panic(err)
	}

	authType := configuration.Auth.Type()

	if authType != "" {
		accessController, err := auth.GetAccessController(configuration.Auth.Type(), configuration.Auth.Parameters())
		if err != nil {
			panic(fmt.Sprintf("unable to configure authorization (%s): %v", authType, err))
		}
		app.accessController = accessController
		ctxu.GetLogger(app).Debugf("configured %q access controller", authType)
	}

	// configure as a pull through cache
	if configuration.Proxy.RemoteURL != "" {
		app.registry, err = proxy.NewRegistryPullThroughCache(ctx, app.registry, app.driver, configuration.Proxy)
		if err != nil {
			panic(err.Error())
		}
		app.isCache = true
		ctxu.GetLogger(app).Info("Registry configured as a proxy cache to ", configuration.Proxy.RemoteURL)
	}

	fmt.Printf("Created app\n")

	return app
}

开发者ID:arvindkandhare，项目名称:distribution，代码行数:101，代码来源:app.go

注：本文中的github.com/docker/distribution/registry/storage.BlobDescriptorCacheProvider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。