Golang RepositoryInfo.RemoteName方法代码示例

// NewV2Repository returns a repository (v2 only). It creates a HTTP transport
// providing timeout settings and authentication support, and also verifies the
// remote API version.
func NewV2Repository(ctx context.Context, repoInfo *registry.RepositoryInfo, endpoint registry.APIEndpoint, metaHeaders http.Header, authConfig *types.AuthConfig, actions ...string) (repo distribution.Repository, foundVersion bool, err error) {
	repoName := repoInfo.FullName()
	// If endpoint does not support CanonicalName, use the RemoteName instead
	if endpoint.TrimHostname {
		repoName = repoInfo.RemoteName()
	}

	// TODO(dmcgowan): Call close idle connections when complete, use keep alive
	base := &http.Transport{
		Proxy: http.ProxyFromEnvironment,
		Dial: (&net.Dialer{
			Timeout:   30 * time.Second,
			KeepAlive: 30 * time.Second,
			DualStack: true,
		}).Dial,
		TLSHandshakeTimeout: 10 * time.Second,
		TLSClientConfig:     endpoint.TLSConfig,
		// TODO(dmcgowan): Call close idle connections when complete and use keep alive
		DisableKeepAlives: true,
	}

	modifiers := registry.DockerHeaders(dockerversion.DockerUserAgent(), metaHeaders)
	authTransport := transport.NewTransport(base, modifiers...)

	challengeManager, foundVersion, err := registry.PingV2Registry(endpoint, authTransport)
	if err != nil {
		transportOK := false
		if responseErr, ok := err.(registry.PingResponseError); ok {
			transportOK = true
			err = responseErr.Err
		}
		return nil, foundVersion, fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: transportOK,
		}
	}

	if authConfig.RegistryToken != "" {
		passThruTokenHandler := &existingTokenHandler{token: authConfig.RegistryToken}
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, passThruTokenHandler))
	} else {
		creds := dumbCredentialStore{auth: authConfig}
		tokenHandler := auth.NewTokenHandler(authTransport, creds, repoName, actions...)
		basicHandler := auth.NewBasicHandler(creds)
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, tokenHandler, basicHandler))
	}
	tr := transport.NewTransport(base, modifiers...)

	repoNameRef, err := distreference.ParseNamed(repoName)
	if err != nil {
		return nil, foundVersion, fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: true,
		}
	}

	repo, err = client.NewRepository(ctx, repoNameRef, endpoint.URL.String(), tr)
	if err != nil {
		err = fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: true,
		}
	}
	return
}

// NewV2Repository returns a repository (v2 only). It creates a HTTP transport
// providing timeout settings and authentication support, and also verifies the
// remote API version.
func NewV2Repository(ctx context.Context, repoInfo *registry.RepositoryInfo, endpoint registry.APIEndpoint, metaHeaders http.Header, authConfig *types.AuthConfig, actions ...string) (repo distribution.Repository, foundVersion bool, err error) {
	repoName := repoInfo.FullName()
	// If endpoint does not support CanonicalName, use the RemoteName instead
	if endpoint.TrimHostname {
		repoName = repoInfo.RemoteName()
	}

	// TODO(dmcgowan): Call close idle connections when complete, use keep alive
	base := &http.Transport{
		Proxy: http.ProxyFromEnvironment,
		Dial: func(network, address string) (net.Conn, error) {
			dialer := &net.Dialer{
				Timeout:   30 * time.Second,
				KeepAlive: 30 * time.Second,
				DualStack: true,
			}
			netConn, err := dialer.Dial(network, address)
			if err != nil {
				return netConn, err
			}
			return &conn{
				Conn:         netConn,
				readTimeout:  time.Minute,
				writeTimeout: time.Minute,
			}, nil
		},
		TLSHandshakeTimeout: 10 * time.Second,
		TLSClientConfig:     endpoint.TLSConfig,
		// TODO(dmcgowan): Call close idle connections when complete and use keep alive
		DisableKeepAlives: true,
	}

	modifiers := registry.DockerHeaders(dockerversion.DockerUserAgent(), metaHeaders)
	authTransport := transport.NewTransport(base, modifiers...)
	pingClient := &http.Client{
		Transport: authTransport,
		Timeout:   15 * time.Second,
	}
	endpointStr := strings.TrimRight(endpoint.URL, "/") + "/v2/"
	req, err := http.NewRequest("GET", endpointStr, nil)
	if err != nil {
		return nil, false, err
	}
	resp, err := pingClient.Do(req)
	if err != nil {
		return nil, false, err
	}
	defer resp.Body.Close()

	v2Version := auth.APIVersion{
		Type:    "registry",
		Version: "2.0",
	}

	versions := auth.APIVersions(resp, registry.DefaultRegistryVersionHeader)
	for _, pingVersion := range versions {
		if pingVersion == v2Version {
			// The version header indicates we're definitely
			// talking to a v2 registry. So don't allow future
			// fallbacks to the v1 protocol.

			foundVersion = true
			break
		}
	}

	challengeManager := auth.NewSimpleChallengeManager()
	if err := challengeManager.AddResponse(resp); err != nil {
		return nil, foundVersion, err
	}

	if authConfig.RegistryToken != "" {
		passThruTokenHandler := &existingTokenHandler{token: authConfig.RegistryToken}
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, passThruTokenHandler))
	} else {
		creds := dumbCredentialStore{auth: authConfig}
		tokenHandler := auth.NewTokenHandler(authTransport, creds, repoName, actions...)
		basicHandler := auth.NewBasicHandler(creds)
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, tokenHandler, basicHandler))
	}
	tr := transport.NewTransport(base, modifiers...)

	repo, err = client.NewRepository(ctx, repoName, endpoint.URL, tr)
	return repo, foundVersion, err
}

// NewV2Repository returns a repository (v2 only). It creates an HTTP transport
// providing timeout settings and authentication support, and also verifies the
// remote API version.
func NewV2Repository(ctx context.Context, repoInfo *registry.RepositoryInfo, endpoint registry.APIEndpoint, metaHeaders http.Header, authConfig *types.AuthConfig, actions ...string) (repo distribution.Repository, foundVersion bool, err error) {
	repoName := repoInfo.FullName()
	// If endpoint does not support CanonicalName, use the RemoteName instead
	if endpoint.TrimHostname {
		repoName = repoInfo.RemoteName()
	}

	direct := &net.Dialer{
		Timeout:   30 * time.Second,
		KeepAlive: 30 * time.Second,
		DualStack: true,
	}

	// TODO(dmcgowan): Call close idle connections when complete, use keep alive
	base := &http.Transport{
		Proxy:               http.ProxyFromEnvironment,
		Dial:                direct.Dial,
		TLSHandshakeTimeout: 10 * time.Second,
		TLSClientConfig:     endpoint.TLSConfig,
		// TODO(dmcgowan): Call close idle connections when complete and use keep alive
		DisableKeepAlives: true,
	}

	proxyDialer, err := sockets.DialerFromEnvironment(direct)
	if err == nil {
		base.Dial = proxyDialer.Dial
	}

	modifiers := registry.DockerHeaders(dockerversion.DockerUserAgent(ctx), metaHeaders)
	authTransport := transport.NewTransport(base, modifiers...)

	challengeManager, foundVersion, err := registry.PingV2Registry(endpoint.URL, authTransport)
	if err != nil {
		transportOK := false
		if responseErr, ok := err.(registry.PingResponseError); ok {
			transportOK = true
			err = responseErr.Err
		}
		return nil, foundVersion, fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: transportOK,
		}
	}

	if authConfig.RegistryToken != "" {
		passThruTokenHandler := &existingTokenHandler{token: authConfig.RegistryToken}
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, passThruTokenHandler))
	} else {
		scope := auth.RepositoryScope{
			Repository: repoName,
			Actions:    actions,
		}

		// Keep image repositories blank for scope compatibility
		if repoInfo.Class != "image" {
			scope.Class = repoInfo.Class
		}

		creds := registry.NewStaticCredentialStore(authConfig)
		tokenHandlerOptions := auth.TokenHandlerOptions{
			Transport:   authTransport,
			Credentials: creds,
			Scopes:      []auth.Scope{scope},
			ClientID:    registry.AuthClientID,
		}
		tokenHandler := auth.NewTokenHandlerWithOptions(tokenHandlerOptions)
		basicHandler := auth.NewBasicHandler(creds)
		modifiers = append(modifiers, auth.NewAuthorizer(challengeManager, tokenHandler, basicHandler))
	}
	tr := transport.NewTransport(base, modifiers...)

	repoNameRef, err := distreference.ParseNamed(repoName)
	if err != nil {
		return nil, foundVersion, fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: true,
		}
	}

	repo, err = client.NewRepository(ctx, repoNameRef, endpoint.URL.String(), tr)
	if err != nil {
		err = fallbackError{
			err:         err,
			confirmedV2: foundVersion,
			transportOK: true,
		}
	}
	return
}