org.openqa.selenium.docker.ContainerInfo Maven / Gradle / Ivy

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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.openqa.selenium.docker;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Multimap;

import java.util.Map;
import java.util.Objects;

public class ContainerInfo {

  private final Image image;
  // Port bindings, keyed on the container port, with values being host ports
  private final Multimap> portBindings;

  private ContainerInfo(Image image, Multimap> portBindings) {
    this.image = Objects.requireNonNull(image);
    this.portBindings = Objects.requireNonNull(portBindings);
  }

  public static ContainerInfo image(Image image) {
    return new ContainerInfo(image, HashMultimap.create());
  }

  public ContainerInfo map(Port containerPort, Port hostPort) {
    Objects.requireNonNull(containerPort);
    Objects.requireNonNull(hostPort);

    if (!hostPort.getProtocol().equals(containerPort.getProtocol())) {
      throw new DockerException(
          String.format("Port protocols must match: %s -> %s", hostPort, containerPort));
    }

    Multimap> updatedBindings = HashMultimap.create(portBindings);
    updatedBindings.put(
        containerPort.getPort() + "/" + containerPort.getProtocol(),
        ImmutableMap.of("HostPort", String.valueOf(hostPort.getPort()), "HostIp", ""));

    return new ContainerInfo(image, updatedBindings);
  }

  private Map toJson() {
    Map hostConfig = ImmutableMap.of(
        "PortBindings", portBindings.asMap());

    return ImmutableMap.of(
        "Image", image.getId(),
        "HostConfig", hostConfig);
  }
}