Esempio n. 1
0
func clientSetUp(t *testing.T, addr string, cg grpc.CompressorGenerator, dg grpc.DecompressorGenerator, ua string, e env) (cc *grpc.ClientConn) {
	var derr error
	if e.security == "tls" {
		creds, err := credentials.NewClientTLSFromFile(tlsDir+"ca.pem", "x.test.youtube.com")
		if err != nil {
			t.Fatalf("Failed to create credentials %v", err)
		}
		cc, derr = grpc.Dial(addr, grpc.WithTransportCredentials(creds), grpc.WithDialer(e.dialer), grpc.WithUserAgent(ua), grpc.WithCompressor(cg), grpc.WithDecompressor(dg))
	} else {
		cc, derr = grpc.Dial(addr, grpc.WithDialer(e.dialer), grpc.WithInsecure(), grpc.WithUserAgent(ua), grpc.WithCompressor(cg), grpc.WithDecompressor(dg))
	}
	if derr != nil {
		t.Fatalf("Dial(%q) = %v", addr, derr)
	}
	return
}
Esempio n. 2
0
// NewClientV3 creates a new grpc client connection to the member
func NewClientV3(m *member) (*clientv3.Client, error) {
	if m.grpcAddr == "" {
		return nil, fmt.Errorf("member not configured for grpc")
	}
	f := func(a string, t time.Duration) (net.Conn, error) {
		return net.Dial("unix", a)
	}
	unixdialer := grpc.WithDialer(f)
	opts := []grpc.DialOption{
		unixdialer,
		grpc.WithBlock(),
		grpc.WithTimeout(5 * time.Second)}
	if m.ClientTLSInfo != nil {
		tlscfg, err := m.ClientTLSInfo.ClientConfig()
		if err != nil {
			return nil, err
		}
		creds := credentials.NewTLS(tlscfg)
		opts = append(opts, grpc.WithTransportCredentials(creds))
	} else {
		opts = append(opts, grpc.WithInsecure())
	}
	conn, err := grpc.Dial(m.grpcAddr, opts...)
	if err != nil {
		return nil, err
	}
	return clientv3.NewFromConn(conn), nil
}
Esempio n. 3
0
// Dial establishes a connection for a given endpoint using the client's config
func (c *Client) Dial(endpoint string) (*grpc.ClientConn, error) {
	opts := []grpc.DialOption{
		grpc.WithBlock(),
		grpc.WithTimeout(c.cfg.DialTimeout),
	}
	if c.creds != nil {
		opts = append(opts, grpc.WithTransportCredentials(*c.creds))
	} else {
		opts = append(opts, grpc.WithInsecure())
	}
	if url, uerr := url.Parse(endpoint); uerr == nil && url.Scheme == "unix" {
		f := func(a string, t time.Duration) (net.Conn, error) {
			return net.DialTimeout("unix", a, t)
		}
		// strip unix:// prefix so certs work
		endpoint = url.Host
		opts = append(opts, grpc.WithDialer(f))
	}

	conn, err := grpc.Dial(endpoint, opts...)
	if err != nil {
		return nil, err
	}
	return conn, nil
}
Esempio n. 4
0
File: client.go Progetto: lrita/etcd
// Dial establishes a connection for a given endpoint using the client's config
func (c *Client) Dial(endpoint string) (*grpc.ClientConn, error) {
	opts := []grpc.DialOption{
		grpc.WithBlock(),
		grpc.WithTimeout(c.cfg.DialTimeout),
	}
	if c.creds != nil {
		opts = append(opts, grpc.WithTransportCredentials(*c.creds))
	} else {
		opts = append(opts, grpc.WithInsecure())
	}

	proto := "tcp"
	if url, uerr := url.Parse(endpoint); uerr == nil && url.Scheme == "unix" {
		proto = "unix"
		// strip unix:// prefix so certs work
		endpoint = url.Host
	}
	f := func(a string, t time.Duration) (net.Conn, error) {
		select {
		case <-c.ctx.Done():
			return nil, c.ctx.Err()
		default:
		}
		return net.DialTimeout(proto, a, t)
	}
	opts = append(opts, grpc.WithDialer(f))

	conn, err := grpc.Dial(endpoint, opts...)
	if err != nil {
		return nil, err
	}
	return conn, nil
}
Esempio n. 5
0
func setUp(maxStream uint32, e env) (s *grpc.Server, cc *grpc.ClientConn) {
	sopts := []grpc.ServerOption{grpc.MaxConcurrentStreams(maxStream)}
	la := ":0"
	switch e.network {
	case "unix":
		la = "/tmp/testsock" + fmt.Sprintf("%d", time.Now())
		syscall.Unlink(la)
	}
	lis, err := net.Listen(e.network, la)
	if err != nil {
		grpclog.Fatalf("Failed to listen: %v", err)
	}
	if e.security == "tls" {
		creds, err := credentials.NewServerTLSFromFile(tlsDir+"server1.pem", tlsDir+"server1.key")
		if err != nil {
			grpclog.Fatalf("Failed to generate credentials %v", err)
		}
		sopts = append(sopts, grpc.Creds(creds))
	}
	s = grpc.NewServer(sopts...)
	testpb.RegisterTestServiceServer(s, &testServer{})
	go s.Serve(lis)
	addr := la
	switch e.network {
	case "unix":
	default:
		_, port, err := net.SplitHostPort(lis.Addr().String())
		if err != nil {
			grpclog.Fatalf("Failed to parse listener address: %v", err)
		}
		addr = "localhost:" + port
	}
	if e.security == "tls" {
		creds, err := credentials.NewClientTLSFromFile(tlsDir+"ca.pem", "x.test.youtube.com")
		if err != nil {
			grpclog.Fatalf("Failed to create credentials %v", err)
		}
		cc, err = grpc.Dial(addr, grpc.WithTransportCredentials(creds), grpc.WithDialer(e.dialer))
	} else {
		cc, err = grpc.Dial(addr, grpc.WithDialer(e.dialer))
	}
	if err != nil {
		grpclog.Fatalf("Dial(%q) = %v", addr, err)
	}
	return
}
Esempio n. 6
0
// newGrpcClient creates a new grpc client connection to the member
func NewGRPCClient(m *member) (*grpc.ClientConn, error) {
	if m.grpcAddr == "" {
		return nil, fmt.Errorf("member not configured for grpc")
	}
	f := func(a string, t time.Duration) (net.Conn, error) {
		return net.Dial("unix", a)
	}
	unixdialer := grpc.WithDialer(f)
	return grpc.Dial(m.grpcAddr, unixdialer)
}
Esempio n. 7
0
// NewClientV3 creates a new grpc client connection to the member
func NewClientV3(m *member) (*clientv3.Client, error) {
	if m.grpcAddr == "" {
		return nil, fmt.Errorf("member not configured for grpc")
	}
	f := func(a string, t time.Duration) (net.Conn, error) {
		return net.Dial("unix", a)
	}
	unixdialer := grpc.WithDialer(f)
	conn, err := grpc.Dial(m.grpcAddr, grpc.WithInsecure(), unixdialer)
	if err != nil {
		return nil, err
	}
	return clientv3.NewFromConn(conn), nil
}