Function TestNetworkLoopbackNat

integration/container/nat_test.go:81–114

(t *testing.T)

}

func TestNetworkLoopbackNat(t *testing.T) {
	skip.If(t, testEnv.GitHubActions, "FIXME: https://github.com/moby/moby/issues/41561")
	skip.If(t, testEnv.DaemonInfo.OSType == "windows", "FIXME")
	skip.If(t, testEnv.IsRemoteDaemon)

	ctx := setupTest(t)

	msg := "it works"
	serverContainerID := startServerContainer(ctx, t, msg, 8080)

	endpoint := getExternalAddress(t)

	apiClient := testEnv.APIClient()

	cID := container.Run(ctx, t, apiClient,
		container.WithCmd("sh", "-c", fmt.Sprintf("stty raw && nc -w 1 %s 8080", endpoint.String())),
		container.WithTty(true),
		container.WithNetworkMode("container:"+serverContainerID),
	)

	poll.WaitOn(t, container.IsStopped(ctx, apiClient, cID))

	logs, err := apiClient.ContainerLogs(ctx, cID, client.ContainerLogsOptions{
		ShowStdout: true,
	})
	assert.NilError(t, err)
	defer logs.Close()

	var b bytes.Buffer
	_, err = io.Copy(&b, logs)
	assert.NilError(t, err)

	assert.Check(t, is.Equal(msg, strings.TrimSpace(b.String())))
}

func startServerContainer(ctx context.Context, t *testing.T, msg string, port uint16) string {
	t.Helper()