docker - 如何在测试容器中使用现有网络？

Question

我有一个测试，该测试将在已经具有外部docker网络的环境中与某些受控容器一起运行。

如何使我的测试容器连接到所述网络？

我尝试下面的代码没有成功:

        public  static final GenericContainer tcpController;
        static  {
            Network network = Network.builder().id("existent-external-network").build();
            tcpController = new GenericContainer("tcp_controller:0.0.1")
                    .withExposedPorts(3005)
                    .withEnv("TCP_PORT", "3005")
                    .withNetwork(network);

            tcpController.start();
        }

本质上，我想做以下docker-compose的等效操作

version: "3.4"
services:
  machine:
    image: tcp_controller:0.0.1
    environment:
      - TCP_PORT=3005
networks:
  default:
    external:
      name: existent-external-network

编辑1:

维塔利的建议行之有效。

这是我实际上使用他的建议和docs做的

考虑TcpHandler只是一个需要IP和端口的类

    public static final DockerComposeContainer compose;

    static {
        compose = new DockerComposeContainer(
                new File("src/test/java/docker-compose.yml")
        )
                .withExposedService("machine", 3005)
                .withLocalCompose(true);
        compose.start();
    }

    @BeforeAll
    static void setup() throws IOException, TimeoutException {

        settings = Settings.getInstance();
        // We need to get the actual host and port using service name
        settings.tcpURL = compose.getServiceHost("machine", 3005);
        settings.tcpPort = compose.getServicePort("machine", 3005);
        tcp = new TCPHandler(settings.tcpURL, settings.tcpPort);
        tcp.start();

    }

Answer 1

Fabio，不确定是否尝试过-将docker与本地compose配合使用对您有用吗？喜欢:

@Container
public static DockerComposeContainer docker = new DockerComposeContainer(
        new File("src/test/resources/compose-mysql-test.yml")
)
        .withLocalCompose(true);