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Testcontainers-go
testcontainers
TestContainerWithCustomHostname

How to use TestContainerWithCustomHostname method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.TestContainerWithCustomHostname

docker_test.go

Source:docker_test.go

...1608		assert.Equal(t, "linux", img.Os)1609		assert.Equal(t, "amd64", img.Architecture)1610	})1611}1612func TestContainerWithCustomHostname(t *testing.T) {1613	ctx := context.Background()1614	name := fmt.Sprintf("some-nginx-%s-%d", t.Name(), rand.Int())1615	hostname := fmt.Sprintf("my-nginx-%s-%d", t.Name(), rand.Int())1616	req := ContainerRequest{1617		Name:     name,1618		Image:    nginxImage,1619		Hostname: hostname,1620	}1621	container, err := GenericContainer(ctx, GenericContainerRequest{1622		ProviderType:     providerType,1623		ContainerRequest: req,1624		Started:          true,1625	})1626	require.NoError(t, err)...

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForLog("Serving HTTP on

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	cli, err := client.NewClientWithOpts(client.FromEnv)5	if err != nil {6		log.Fatal(err)7	}8	req := testcontainers.ContainerRequest{9		ExposedPorts: []string{"80/tcp"},10		WaitingFor:   wait.ForHTTP("/"),11		Cmd:          []string{"echo", "hello world"},12	}13	myContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{14	})15	if err != nil {16		log.Fatal(err)17	}18	defer myContainer.Terminate(ctx)19	id, err := myContainer.ContainerID(ctx)20	if err != nil {21		log.Fatal(err)22	}23	fmt.Println("Container ID: ", id)24	hostname, err := myContainer.Host(ctx)25	if err != nil {26		log.Fatal(err)27	}28	fmt.Println("Container Hostname: ", hostname)29	ip, err := myContainer.Host(ctx)30	if err != nil {31		log.Fatal(err)32	}33	fmt.Println("Container IP: ", ip)34	inspectedContainer, err := cli.ContainerInspect(ctx, id)35	if err != nil {36		log.Fatal(err)37	}38	fmt.Println("Container Inspect: ", inspectedContainer)39	inspectedContainer, err = cli.ContainerInspect(ctx, id)40	if err != nil {41		log.Fatal(err)42	}43	fmt.Println("Container Inspect: ", inspectedContainer)44	inspectedContainer, err = cli.ContainerInspect(ctx, id)45	if err != nil {46		log.Fatal(err)47	}48	fmt.Println("Container Inspect: ", inspectedContainer)49	inspectedContainer, err = cli.ContainerInspect(ctx, id)50	if err != nil {51		log.Fatal(err)

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "while true; do echo hello world; sleep 1; done"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("hello world"),8	}9	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		panic(err)13	}14	defer container.Terminate(ctx)15	ip, err := container.Host(ctx)16	if err != nil {17		panic(err)18	}19	fmt.Println(ip)20	port, err := container.MappedPort(ctx, "80")21	if err != nil {22		panic(err)23	}24	fmt.Println(port.Int())25	name, err := container.Name(ctx)26	if err != nil {27		panic(err)28	}29	fmt.Println(name)30	id, err := container.ContainerID(ctx)31	if err != nil {32		panic(err)33	}34	fmt.Println(id)35	logs, err := container.Logs(ctx)36	if err != nil {37		panic(err)38	}39	defer logs.Close()40	io.Copy(os.Stdout, logs)41	state, err := container.State(ctx)42	if err != nil {43		panic(err)44	}45	fmt.Println(state)46	exec, err := container.Exec(ctx, []string{"ls", "-la"})47	if err != nil {48		panic(err)49	}50	fmt.Println(exec)51	err = container.CopyToContainer(ctx, testcontainers.CopyToContainerOptions{52		Content:       strings.NewReader("some file content"),53	})54	if err != nil {55		panic(err)56	}57	err = container.CopyFromContainer(ctx, testcontainers.CopyFromContainer

TestContainerWithCustomHostname

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		Cmd:          []string{"postgres", "-c", "fsync=off", "-c", "synchronous_commit=off"},8	}9	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Panic(err)13	}14	ip, err := postgres.Host(ctx)15	if err != nil {16		log.Panic(err)17	}18	port, err := postgres.MappedPort(ctx, "5432")19	if err != nil {20		log.Panic(err)21	}22	connStr := fmt.Sprintf("host=%s port=%s user=postgres password=postgres sslmode=disable", ip, port.Port())23	err = runCommand("createdb", "-h", ip, "-p", strconv.Itoa(port.Port()), "-U", "postgres", "test")24	if err != nil {25		log.Panic(err)26	}27	err = runCommand("dropdb", "-h", ip, "-p", strconv.Itoa(port.Port()), "-U", "postgres", "test")28	if err != nil {29		log.Panic(err)30	}31	err = postgres.Terminate(ctx)32	if err != nil {33		log.Panic(err)34	}35}36func runCommand(name string, arg ...string) error {37	cmd := exec.Command(name, arg...)38	return cmd.Run()39}40import (

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		Cmd:          []string{"top"},7		WaitingFor:   wait.ForLog("top"),8	}9	provider, err := testcontainers.NewDockerProvider()10	if err != nil {11		panic(err)12	}13	myContainer, err := testcontainers.GenericContainer(ctx, provider, req)14	if err != nil {15		panic(err)16	}17	err = myContainer.Start(ctx)18	if err != nil {19		panic(err)20	}21	containerID, err := myContainer.ContainerID(ctx)22	if err != nil {23		panic(err)24	}25	fmt.Println("Container ID: ", containerID)26	ip, err := myContainer.Host(ctx)27	if err != nil {28		panic(err)29	}30	fmt.Println("Container IP: ", ip)31	port, err := myContainer.MappedPort(ctx, "80")32	if err != nil {33		panic(err)34	}35	fmt.Println("Container Port: ", port.Int())36	err = myContainer.Terminate(ctx)37	if err != nil {38		panic(err)39	}40	err = myContainer.Remove(ctx)41	if err != nil {42		panic(err)43	}44}

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForListeningPort("80/tcp"),7	}8	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatalf("Could not start container: %s", err)12	}13	defer container.Terminate(ctx)14	ip, err := container.Host(ctx)15	if err != nil {16		log.Fatalf("Could not get container IP: %s", err)17	}18	port, err := container.MappedPort(ctx, "80")19	if err != nil {20		log.Fatalf("Could not get mapped port: %s", err)21	}22	hostname, err := container.Hostname(ctx)23	if err != nil {24		log.Fatalf("Could not get container hostname: %s", err)25	}26	name, err := container.Name(ctx)27	if err != nil {28		log.Fatalf("Could not get container name: %s", err)29	}30	id, err := container.ID(ctx)31	if err != nil {32		log.Fatalf("Could not get container ID: %s", err)33	}34	state, err := container.State(ctx)35	if err != nil {36		log.Fatalf("Could not get container state: %s", err)37	}38	exitCode, err := container.ExitCode(ctx)39	if err != nil {40		log.Fatalf("Could not get container exit code: %s", err)41	}42	fmt.Printf("Container IP: %s43	fmt.Printf("Container mapped port: %s

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForListeningPort("80/tcp"),7	}8	_, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{14	})15	if err != nil {16		panic(err)17	}18	defer container.Terminate(ctx)19	ip, err := container.Host(ctx)20	if err != nil {21		panic(err)22	}23	port, err := container.MappedPort(ctx, "80")24	if err != nil {25		panic(err)26	}27	conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%s", ip, port.Port()), 5*time.Second)28	if err != nil {29		panic(err)30	}31	defer conn.Close()32	conn.Write([]byte("hello world"))33	buf := make([]byte, 1024)34	n, err := conn.Read(buf)35	if err != nil {36		panic(err)37	}38	fmt.Println(string(buf[:n]))39}

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "while true; do echo hello world; sleep 1; done"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("hello world"),8	}9	provider, err := testcontainers.NewDockerProvider()10	if err != nil {11		log.Fatal(err)12	}13	_, err = provider.Pull(ctx, "alpine", "latest")14	if err != nil {15		log.Fatal(err)16	}17	provider, err = testcontainers.NewDockerProvider()18	if err != nil {19		log.Fatal(err)20	}21	container, err := provider.RunContainer(ctx, req)22	if err != nil {23		log.Fatal(err)24	}25	provider, err = testcontainers.NewDockerProvider()26	if err != nil {27		log.Fatal(err)28	}29	ContainerID, err := container.ContainerID(ctx)30	if err != nil {31		log.Fatal(err)32	}33	provider, err = testcontainers.NewDockerProvider()34	if err != nil {35		log.Fatal(err)36	}37	Hostname, err := container.Host(ctx)38	if err != nil {39		log.Fatal(err)40	}41	provider, err = testcontainers.NewDockerProvider()42	if err != nil {43		log.Fatal(err)44	}45	IP, err := container.Host(ctx)46	if err != nil {47		log.Fatal(err)48	}49	provider, err = testcontainers.NewDockerProvider()50	if err != nil {51		log.Fatal(err)52	}53	Port, err := container.MappedPort(ctx, "80")54	if err != nil {55		log.Fatal(err)56	}57	provider, err = testcontainers.NewDockerProvider()58	if err != nil {59		log.Fatal(err)60	}

TestContainerWithCustomHostname

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"80/tcp"},5		WaitingFor:   wait.ForListeningPort("80/tcp"),6		Cmd:          []string{"sleep", "1000"},7	}8	ctx := context.Background()9	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Fatalf("Could not create container: %v", err)13	}14	defer container.Terminate(ctx)15	id, err := container.ContainerID(ctx)16	if err != nil {17		log.Fatalf("Could not get container id: %v", err)18	}19	ip, err := container.Host(ctx)20	if err != nil {21		log.Fatalf("Could not get container ip: %v", err)22	}23	port, err := container.MappedPort(ctx, "80")24	if err != nil {25		log.Fatalf("Could not get container port: %v", err)26	}27	hostname, err := container.Hostname(ctx)28	if err != nil {29		log.Fatalf("Could not get container hostname: %v", err)30	}31	fmt.Printf("ID: %s, IP: %s, Port: %s, Hostname: %s", id, ip, port.Port(), hostname)32	out, err := container.Exec(ctx, []string{"ping", "test"})33	if err != nil {34		log.Fatalf("Could not exec command: %v", err)35	}36	fmt.Println(out)37}

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