Golang v2.RouterWithPrefix函数代码示例

func main() {
	flag.Parse()

	r, err := url.Parse(registryAddr)
	if err != nil {
		logrus.Fatalf("Error parsing registry address: %s", err)
	}
	n, err := url.Parse(notaryAddr)
	if err != nil {
		logrus.Fatalf("Error parsing notary address: %s", err)
	}

	rHandler := hostProxy(r)
	nHandler := hostProxy(n)

	router := v2.RouterWithPrefix("")
	router.GetRoute(v2.RouteNameBase).Handler(rHandler)

	// Configure notary routes
	router.Methods("POST").Path("/v2/{imageName:.*}/_trust/tuf/").Handler(nHandler)
	router.Methods("GET").Path("/v2/{imageName:.*}/_trust/tuf/{tufRole:(root|targets|snapshot)}.json").Handler(nHandler)
	router.Methods("GET").Path("/v2/{imageName:.*}/_trust/tuf/timestamp.json").Handler(nHandler)
	router.Methods("GET").Path("/v2/{imageName:.*}/_trust/tuf/timestamp.key").Handler(nHandler)
	router.Methods("DELETE").Path("/v2/{imageName:.*}/_trust/tuf/").Handler(nHandler)

	// Configure registry routes
	router.GetRoute(v2.RouteNameManifest).Handler(manifestChanger{rHandler})
	router.GetRoute(v2.RouteNameTags).Handler(rHandler)
	router.GetRoute(v2.RouteNameBlob).Handler(blobChanger{rHandler})
	router.GetRoute(v2.RouteNameBlobUpload).Handler(rHandler)
	router.GetRoute(v2.RouteNameBlobUploadChunk).Handler(rHandler)

	if cert != "" && certKey != "" {
		http.ListenAndServeTLS(listenAddr, cert, certKey, logWrapper{router})
	} else {
		http.ListenAndServe(listenAddr, logWrapper{router})
	}
}

// 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 != "",
	}

	// 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 {
		if v, ok := mc["uploadpurging"]; ok {
			purgeConfig, ok = v.(map[interface{}]interface{})
			if !ok {
				panic("uploadpurging config key must contain additional keys")
			}
		}
		if v, ok := mc["readonly"]; ok {
			readOnly, ok := v.(map[interface{}]interface{})
			if !ok {
				panic("readonly config key must contain additional keys")
			}
			if readOnlyEnabled, ok := readOnly["enabled"]; ok {
				app.readOnly, ok = readOnlyEnabled.(bool)
				if !ok {
					panic("readonly's enabled config key must have a boolean value")
				}
			}
		}
	}

	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)

	// Generate an ephemeral key to be used for signing converted manifests
	// for clients that don't support schema2.
	app.trustKey, err = libtrust.GenerateECP256PrivateKey()
	if err != nil {
		panic(err)
	}

	if configuration.HTTP.Host != "" {
		u, err := url.Parse(configuration.HTTP.Host)
		if err != nil {
			panic(fmt.Sprintf(`could not parse http "host" parameter: %v`, err))
		}
		app.httpHost = *u
	}

	options := []storage.RegistryOption{}

	if app.isCache {
		options = append(options, storage.DisableDigestResumption)
	}

	// 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"]
//.........这里部分代码省略.........

// 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)
//.........这里部分代码省略.........

// 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),
	}

	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.RouteNameTags, tagsDispatcher)
	app.register(v2.RouteNameBlob, layerDispatcher)
	app.register(v2.RouteNameBlobUpload, layerUploadDispatcher)
	app.register(v2.RouteNameBlobUploadChunk, layerUploadDispatcher)

	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)
	}

	startUploadPurger(app.driver, ctxu.GetLogger(app))

	app.driver, err = applyStorageMiddleware(app.driver, configuration.Middleware["storage"])
	if err != nil {
		panic(err)
	}

	app.configureEvents(&configuration)
	app.configureRedis(&configuration)

	// configure storage caches
	if cc, ok := configuration.Storage["cache"]; ok {
		switch cc["layerinfo"] {
		case "redis":
			if app.redis == nil {
				panic("redis configuration required to use for layerinfo cache")
			}
			app.registry = storage.NewRegistryWithDriver(app.driver, cache.NewRedisLayerInfoCache(app.redis))
			ctxu.GetLogger(app).Infof("using redis layerinfo cache")
		case "inmemory":
			app.registry = storage.NewRegistryWithDriver(app.driver, cache.NewInMemoryLayerInfoCache())
			ctxu.GetLogger(app).Infof("using inmemory layerinfo cache")
		default:
			if cc["layerinfo"] != "" {
				ctxu.GetLogger(app).Warnf("unkown 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.driver, nil)
	}

	app.registry, err = applyRegistryMiddleware(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
	}

	return app
}