Method SetUp

src/tests/containerizer/port_mapping_tests.cpp:226–283

protected:
  virtual void SetUp()
  {
    TemporaryDirectoryTest::SetUp();

    flags = CreateSlaveFlags();

    // Guess the name of the public interface.
    Result<string> _eth0 = link::eth0();
    ASSERT_SOME(_eth0) << "Failed to guess the name of the public interface";

    eth0 = _eth0.get();

    LOG(INFO) << "Using " << eth0 << " as the public interface";

    // Guess the name of the loopback interface.
    Result<string> _lo = link::lo();
    ASSERT_SOME(_lo) << "Failed to guess the name of the loopback interface";

    lo = _lo.get();

    LOG(INFO) << "Using " << lo << " as the loopback interface";

    // Clean up qdiscs and veth devices.
    cleanup(eth0, lo);

    // Get host IP address.
    Result<net::IP::Network> hostIPNetwork =
        net::IP::Network::fromLinkDevice(eth0, AF_INET);

    ASSERT_SOME(hostIPNetwork)
      << "Failed to retrieve the host public IP network from " << eth0 << ": "
      << hostIPNetwork.error();

    hostIP = hostIPNetwork->address();

    // Get all the external name servers for tests that need to talk
    // to an external host, e.g., ping, DNS.
    Try<string> read = os::read("/etc/resolv.conf");
    ASSERT_SOME(read);

    foreach (const string& line, strings::split(read.get(), "\n")) {
      if (!strings::startsWith(line, "nameserver")) {
        continue;
      }

      vector<string> tokens = strings::split(line, " ");
      ASSERT_LE(2u, tokens.size()) << "Unexpected format in '/etc/resolv.conf'";
      if (tokens[1] != "127.0.0.1") {
        nameServers.push_back(tokens[1]);
      }
    }

    container1Ready = path::join(os::getcwd(), "container1_ready");
    container2Ready = path::join(os::getcwd(), "container2_ready");
    trafficViaLoopback = path::join(os::getcwd(), "traffic_via_loopback");
    trafficViaPublic = path::join(os::getcwd(), "traffic_via_public");
    exitStatus = path::join(os::getcwd(), "exit_status");
  }