Golang types.NewAPIClient函数代码示例

// getClient returns a connection to the Suite containerd
func (cs *ContainerdSuite) getClient(socket string) error {
	// Parse proto://address form addresses.
	bindParts := strings.SplitN(socket, "://", 2)
	if len(bindParts) != 2 {
		return fmt.Errorf("bad bind address format %s, expected proto://address", socket)
	}

	// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := []grpc.DialOption{grpc.WithInsecure()}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout(bindParts[0], bindParts[1], timeout)
		}),
		grpc.WithBlock(),
		grpc.WithTimeout(5*time.Second),
	)
	conn, err := grpc.Dial(socket, dialOpts...)
	if err != nil {
		return err
	}
	healthClient := grpc_health_v1.NewHealthClient(conn)
	if _, err := healthClient.Check(context.Background(), &grpc_health_v1.HealthCheckRequest{}); err != nil {
		return err
	}
	cs.grpcClient = types.NewAPIClient(conn)

	return nil
}

// New creates a fresh instance of libcontainerd remote.
func New(stateDir string, options ...RemoteOption) (_ Remote, err error) {
	defer func() {
		if err != nil {
			err = fmt.Errorf("Failed to connect to containerd. Please make sure containerd is installed in your PATH or you have specificed the correct address. Got error: %v", err)
		}
	}()
	r := &remote{
		stateDir:    stateDir,
		daemonPid:   -1,
		eventTsPath: filepath.Join(stateDir, eventTimestampFilename),
		pastEvents:  make(map[string]*containerd.Event),
	}
	for _, option := range options {
		if err := option.Apply(r); err != nil {
			return nil, err
		}
	}

	if err := sysinfo.MkdirAll(stateDir, 0700); err != nil {
		return nil, err
	}

	if r.rpcAddr == "" {
		r.rpcAddr = filepath.Join(stateDir, containerdSockFilename)
	}

	if r.startDaemon {
		if err := r.runContainerdDaemon(); err != nil {
			return nil, err
		}
	}

	// don't output the grpc reconnect logging
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := append([]grpc.DialOption{grpc.WithInsecure()},
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		}),
	)
	conn, err := grpc.Dial(r.rpcAddr, dialOpts...)
	if err != nil {
		return nil, fmt.Errorf("error connecting to containerd: %v", err)
	}

	r.rpcConn = conn
	r.apiClient = containerd.NewAPIClient(conn)

	go r.handleConnectionChange()

	if err := r.startEventsMonitor(); err != nil {
		return nil, err
	}

	return r, nil
}

func getClient() types.APIClient {
	dialOpts := []grpc.DialOption{grpc.WithInsecure()}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		},
		))
	conn, err := grpc.Dial(addr, dialOpts...)
	if err != nil {
		logrus.Fatal(err)
	}
	return types.NewAPIClient(conn)
}

// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
	dialOpts := []grpc.DialOption{grpc.WithInsecure()}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		},
		))
	conn, err := grpc.Dial(ctx.GlobalString("address"), dialOpts...)
	if err != nil {
		fatal(err.Error(), 1)
	}
	return types.NewAPIClient(conn)
}

// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
	// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(ctx.GlobalDuration("conn-timeout"))}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		},
		))
	conn, err := grpc.Dial(ctx.GlobalString("address"), dialOpts...)
	if err != nil {
		fatal(err.Error(), 1)
	}
	return types.NewAPIClient(conn)
}

func getClient(address string) types.APIClient {
	// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(5 * time.Second)}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		},
		))
	conn, err := grpc.Dial(address, dialOpts...)
	if err != nil {
		fmt.Printf("grpc.Dial error: %v", err)
		os.Exit(-1)
	}
	return types.NewAPIClient(conn)
}

// getClient returns a connection to the Suite containerd
func (cs *ContainerdSuite) getClient(socket string) error {
	// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := []grpc.DialOption{grpc.WithInsecure()}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", addr, timeout)
		},
		))
	conn, err := grpc.Dial(socket, dialOpts...)
	if err != nil {
		return err
	}
	cs.grpcClient = types.NewAPIClient(conn)

	return nil
}

// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
	// Parse proto://address form addresses.
	bindSpec := ctx.GlobalString("address")
	bindParts := strings.SplitN(bindSpec, "://", 2)
	if len(bindParts) != 2 {
		fatal(fmt.Sprintf("bad bind address format %s, expected proto://address", bindSpec), 1)
	}

	// reset the logger for grpc to log to dev/null so that it does not mess with our stdio
	grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
	dialOpts := []grpc.DialOption{grpc.WithInsecure(), grpc.WithTimeout(ctx.GlobalDuration("conn-timeout"))}
	dialOpts = append(dialOpts,
		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
			return net.DialTimeout(bindParts[0], bindParts[1], timeout)
		},
		))
	conn, err := grpc.Dial(bindSpec, dialOpts...)
	if err != nil {
		fatal(err.Error(), 1)
	}
	return types.NewAPIClient(conn)
}

// TODO: parse flags and pass opts
func getClient(ctx *cli.Context) types.APIClient {
	return types.NewAPIClient(getClientConn(ctx))
}