How to use ContainerIP method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.ContainerIP

suite.go

Source:suite.go

...94		}95	})96	hostIP, err := container.Host(ctx)97	require.NoError(t, err)98	containerIP, err := container.ContainerIP(ctx)99	require.NoError(t, err)100	hostMappedPorts := make(map[nat.Port]int, len(req.ExposedPorts))101	for _, portString := range req.ExposedPorts {102		port := nat.Port(portString)103		hostPort, err := container.MappedPort(ctx, port)104		require.NoError(t, err)105		hostMappedPorts[port] = hostPort.Int()106	}107	return &Container{108		Name:        req.Name,109		Container:   container,110		HostIP:      hostIP,111		ContainerIP: containerIP,112		MappedPorts: hostMappedPorts,113	}114}115// Context returns a context that will be canceled when the test finishes.116func (s *Suite) Context(t *testing.T) context.Context {117	ctx, cancel := context.WithCancel(context.Background())118	t.Cleanup(cancel)119	return ctx120}121// CaptureArtifact stores the given data to be written to disk when the test122// finishes.123func (s *Suite) CaptureArtifact(name string, data []byte) {124	s.mu.Lock()125	defer s.mu.Unlock()126	s.artifacts[name] = data127}128func (s *Suite) cleanup(t *testing.T) {129	s.mu.Lock()130	defer s.mu.Unlock()131	if s.opts.OutputDir == "" {132		return133	}134	for name, data := range s.artifacts {135		if err := os.WriteFile(filepath.Join(s.opts.OutputDir, name), data, 0660); err != nil {136			t.Logf("failed to write artifact %s: %v", name, err)137		}138	}139}140// Volume returns a Docker volume that can be used to share files between141// containers. You can also add files from the host using WriteFile. The142// volume will be deleted when the test finishes.143func (s *Suite) Volume(t *testing.T) *Volume {144	t.Helper()145	s.mu.Lock()146	defer s.mu.Unlock()147	if s.volume == nil {148		docker, _, _, err := testcontainers.NewDockerClient()149		require.NoError(t, err)150		v, err := docker.VolumeCreate(151			s.Context(t),152			volume.VolumeCreateBody{153				Name: fmt.Sprintf("%s-volume", s.Name),154			},155		)156		require.NoError(t, err)157		t.Cleanup(func() {158			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)159			defer cancel()160			if err := docker.VolumeRemove(ctx, v.Name, true); err != nil {161				t.Logf("failed to remove volume: %v", err)162			}163		})164		s.volume = &Volume{Volume: v, suite: s}165	}166	return s.volume167}168type Container struct {169	testcontainers.Container170	Name        string171	HostIP      string172	ContainerIP string173	MappedPorts map[nat.Port]int174}175// Network returns the container's network that can be used to join other176// containers to it.177func (c *Container) Network() container.NetworkMode {178	return container.NetworkMode(fmt.Sprintf("container:%s", c.Name))179}180type Volume struct {181	types.Volume182	suite     *Suite183	mu        sync.Mutex184	container *Container185}186// WriteFile adds a file to the Volume using a "pause" container....

unittestdocker.go

Source:unittestdocker.go

...73	port, err := cont.MappedPort(ctx, "3306/tcp")74	if err != nil {75		return nil, er.WrapOp(err, op)76	}77	host, err := cont.ContainerIP(ctx)78	if err != nil {79		return nil, er.WrapOp(err, op)80	}81	if err = cont.Start(ctx); err != nil {82		return nil, er.WrapOp(err, op)83	}84	for {85		if s, err := cont.State(ctx); err != nil {86		} else {87			if s.Running {88				break89			}90		}91		<-time.After(3 * time.Second)92	}93	return New(94		cont,95		"0.0.0.0",96		port.Port(),97		host,98		"3306",99		map[string]string{100			"user":     user,101			"password": password,102			"database": database,103		},104	), nil105}106func RunRedis(ctx context.Context, containerName string) (*DockerContainer, error) {107	op := er.GetOperator()108	contName := fmt.Sprintf("%s-%s", containerName, uuid.New().String())109	cont, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{110		ContainerRequest: testcontainers.ContainerRequest{111			Name:         contName,112			Image:        "redis:6.2.6",113			ExposedPorts: []string{"6379/tcp"},114			WaitingFor:   wait.ForLog("* Ready to accept connections"),115		},116		Started: true,117	})118	if err != nil {119		return nil, er.WrapOp(err, op)120	}121	port, err := cont.MappedPort(ctx, "6379/tcp")122	if err != nil {123		return nil, er.WrapOp(err, op)124	}125	host, err := cont.ContainerIP(ctx)126	if err != nil {127		return nil, er.WrapOp(err, op)128	}129	if err = cont.Start(ctx); err != nil {130		return nil, er.WrapOp(err, op)131	}132	for {133		if s, err := cont.State(ctx); err != nil {134		} else {135			if s.Running {136				break137			}138		}139		<-time.After(3 * time.Second)...

pubsub.go

Source:pubsub.go

...29		return nil, nil, err30	}31	var pubsubEmulatorAddress string32	if runtime.GOOS == "linux" {33		containerIp, err := emulator.ContainerIP(ctx)34		if err != nil {35			return nil, nil, err36		}37		pubsubEmulatorAddress = fmt.Sprintf("%s:%d", containerIp, pubsubPort.Int())38	} else {39		mappedPort, err := emulator.MappedPort(ctx, pubsubPort)40		if err != nil {41			return nil, nil, err42		}43		pubsubEmulatorAddress = fmt.Sprintf("%s:%d", "localhost", mappedPort.Int())44	}45	err = os.Setenv("PUBSUB_EMULATOR_HOST", pubsubEmulatorAddress)46	if err != nil {47		return nil, nil, err...

ContainerIP

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForHTTP("/"),7	}8	nginx, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer nginx.Terminate(ctx)14	ip, err := nginx.ContainerIP(ctx)15	if err != nil {16		panic(err)17	}18	fmt.Println(ip)19}20import (21func main() {22	ctx := context.Background()23	req := testcontainers.ContainerRequest{24		ExposedPorts: []string{"80/tcp"},25		WaitingFor:   wait.ForHTTP("/"),26	}27	nginx, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{28	})29	if err != nil {30		panic(err)31	}32	defer nginx.Terminate(ctx)33	port, err := nginx.MappedPort(ctx, "80")34	if err != nil {35		panic(err)36	}37	fmt.Println(port.Int())38}39import (40func main() {41	ctx := context.Background()42	req := testcontainers.ContainerRequest{43		ExposedPorts: []string{"80/tcp"},44		WaitingFor:   wait.ForHTTP("/"),45	}46	nginx, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{47	})48	if err != nil {49		panic(err)50	}51	defer nginx.Terminate(ctx)52	port, err := nginx.MappedPort(ctx, "80")53	if err != nil {54		panic(err)55	}56	fmt.Println(port

ContainerIP

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    req := testcontainers.ContainerRequest{5        ExposedPorts: []string{"5432/tcp"},6        WaitingFor:   wait.ForListeningPort("5432/tcp"),7    }8    postgresContainer, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    defer postgresContainer.Terminate(ctx)11    ip, _ := postgresContainer.Host(ctx)12    port, _ := postgresContainer.MappedPort(ctx, "5432")13    fmt.Println(ip + ":" + port.Port())14}

ContainerIP

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"6379/tcp"},6		WaitingFor:   wait.ForListeningPort("6379/tcp"),7	}8	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer redis.Terminate(ctx)14	ip, err := redis.Host(ctx)15	if err != nil {16		panic(err)17	}18	port, err := redis.MappedPort(ctx, "6379")19	if err != nil {20		panic(err)21	}22	fmt.Println(ip, port.Int())23}

ContainerIP

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForHTTP("/"),7	}8	nginxContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer nginxContainer.Terminate(ctx)14	ip, err := nginxContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := nginxContainer.MappedPort(ctx, "80")19	if err != nil {20		log.Fatal(err)21	}22}

ContainerIP

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForHTTP("/"),7	}8	nginxContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer nginxContainer.Terminate(ctx)14	ip, err := nginxContainer.Host(ctx)15	if err != nil {16		panic(err)17	}18	fmt.Println(ip)19	port, err := nginxContainer.MappedPort(ctx, "80")20	if err != nil {21		panic(err)22	}23	fmt.Println(port.Int())24}

ContainerIP

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"3306/tcp"},5		WaitingFor:   testcontainers.WaitingForListeningPort("3306/tcp"),6	}7	mysqlContainer, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{8	})9	if err != nil {10		panic(err)11	}12	defer mysqlContainer.Terminate(context.Background())13	ip, err := mysqlContainer.ContainerIP(context.Background(), "eth0")14	if err != nil {15		panic(err)16	}17	fmt.Println(ip)18}19import (20func main() {21	req := testcontainers.ContainerRequest{22		ExposedPorts: []string{"3306/tcp"},23		WaitingFor:   testcontainers.WaitingForListeningPort("3306/tcp"),24	}25	mysqlContainer, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{26	})27	if err != nil {28		panic(err)29	}30	defer mysqlContainer.Terminate(context.Background())31	host, err := mysqlContainer.ContainerHost(context.Background(), "eth0")32	if err != nil {33		panic(err)34	}35	fmt.Println(host)36}37import (38func main() {39	req := testcontainers.ContainerRequest{40		ExposedPorts: []string{"3306/tcp"},41		WaitingFor:   testcontainers.WaitingForListeningPort("3306/tcp"),42	}

ContainerIP

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   wait.ForListeningPort("5432/tcp"),7	}8	postgres, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	ip, _ := postgres.ContainerIP(ctx)11	fmt.Println(ip)12}

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