func (r *repository) Blobs(ctx context.Context) distribution.BlobStore { statter := &blobStatter{ name: r.Name(), ub: r.ub, client: r.client, } return &blobs{ name: r.Name(), ub: r.ub, client: r.client, statter: cache.NewCachedBlobStatter(memory.NewInMemoryBlobDescriptorCacheProvider(), statter), } }
// NewApp takes a configuration and returns a configured app, ready to serve // requests. The app only implements ServeHTTP and can be wrapped in other // handlers accordingly. func NewApp(ctx context.Context, configuration configuration.Configuration) *App { app := &App{ Config: configuration, Context: ctx, router: v2.RouterWithPrefix(configuration.HTTP.Prefix), isCache: configuration.Proxy.RemoteURL != "", } app.Context = ctxu.WithLogger(app.Context, ctxu.GetLogger(app, "instance.id")) // Register the handler dispatchers. app.register(v2.RouteNameBase, func(ctx *Context, r *http.Request) http.Handler { return http.HandlerFunc(apiBase) }) app.register(v2.RouteNameManifest, imageManifestDispatcher) app.register(v2.RouteNameCatalog, catalogDispatcher) app.register(v2.RouteNameTags, tagsDispatcher) app.register(v2.RouteNameBlob, blobDispatcher) app.register(v2.RouteNameBlobUpload, blobUploadDispatcher) app.register(v2.RouteNameBlobUploadChunk, blobUploadDispatcher) var err error app.driver, err = factory.Create(configuration.Storage.Type(), configuration.Storage.Parameters()) if err != nil { // TODO(stevvooe): Move the creation of a service into a protected // method, where this is created lazily. Its status can be queried via // a health check. panic(err) } purgeConfig := uploadPurgeDefaultConfig() if mc, ok := configuration.Storage["maintenance"]; ok { for k, v := range mc { switch k { case "uploadpurging": purgeConfig = v.(map[interface{}]interface{}) } } } startUploadPurger(app, app.driver, ctxu.GetLogger(app), purgeConfig) app.driver, err = applyStorageMiddleware(app.driver, configuration.Middleware["storage"]) if err != nil { panic(err) } app.configureSecret(&configuration) app.configureEvents(&configuration) app.configureRedis(&configuration) app.configureLogHook(&configuration) // configure deletion var deleteEnabled bool if d, ok := configuration.Storage["delete"]; ok { e, ok := d["enabled"] if ok { if deleteEnabled, ok = e.(bool); !ok { deleteEnabled = false } } } // 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") } } // 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") } app.registry = storage.NewRegistryWithDriver(app, app.driver, rediscache.NewRedisBlobDescriptorCacheProvider(app.redis), deleteEnabled, !redirectDisabled, app.isCache) ctxu.GetLogger(app).Infof("using redis blob descriptor cache") case "inmemory": app.registry = storage.NewRegistryWithDriver(app, app.driver, memorycache.NewInMemoryBlobDescriptorCacheProvider(), deleteEnabled, !redirectDisabled, app.isCache) 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 = storage.NewRegistryWithDriver(app.Context, app.driver, nil, deleteEnabled, !redirectDisabled, app.isCache) } 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 }