Java Code Examples for com.spotify.docker.client.DockerClient#inspectImage()

private static boolean imageExistLocally(DockerClient dockerClient, String image)
        throws DockerException, InterruptedException {
  try {
    dockerClient.inspectImage(image);
    return true;
  } catch (ImageNotFoundException e) {
    return false;
  }
}
 

private static void foo() throws Exception {
    boolean debug = Boolean.parseBoolean(System.getProperty("debug", "false"));
    String dockerHost = String.format("http://%s:%d", CENTOS, 2375);
    DockerClient docker = null;
    try {
        docker = DefaultDockerClient.builder()
            .uri(dockerHost).build();
        Info info = docker.info();
        System.err.println("Information : " + info);
        if (debug) {
            docker.pull(SELENIUM_STANDALONE_CHROME, new LoggingBuildHandler());
        } else {
            docker.pull(SELENIUM_STANDALONE_CHROME);
        }
        final ImageInfo imageInfo = docker.inspectImage(SELENIUM_STANDALONE_CHROME);
        System.err.println("Information : " + imageInfo);
        // Bind container ports to host ports
        //            final String[] ports = {Integer.toString(PortProber.findFreePort())};
        final String[] ports = {"4444"};
        final Map<String, List<PortBinding>> portBindings = new HashMap<>();
        for (String port : ports) {
            List<PortBinding> hostPorts = new ArrayList<>();
            hostPorts.add(PortBinding.of("0.0.0.0", PortProber.findFreePort()));
            portBindings.put(port, hostPorts);
        }
        //            // Bind container port 443 to an automatically allocated available host port.
        //            List<PortBinding> randomPort = new ArrayList<>();
        //            randomPort.add(PortBinding.randomPort("0.0.0.0"));
        //            portBindings.put("443", randomPort);

        System.err.println("Printing the port mappings : " + portBindings);

        final HostConfig hostConfig = HostConfig.builder().portBindings(portBindings).build();

        final ContainerConfig containerConfig = ContainerConfig.builder()
            .hostConfig(hostConfig)
            .image(SELENIUM_STANDALONE_CHROME).exposedPorts(ports)
            .build();

        final ContainerCreation creation = docker.createContainer(containerConfig);
        final String id = creation.id();

        // Inspect container
        final ContainerInfo containerInfo = docker.inspectContainer(id);
        System.err.println("Container Information " + containerInfo);
        String msg = "Checking to see if the container with id [" + id + "] and name [" +
            containerInfo.name() + "]...";
        System.err.println(msg);
        if (! containerInfo.state().running()) {
            // Start container
            docker.startContainer(id);
            System.err.println(containerInfo.name() + " is now running.");
        } else {
            System.err.println(containerInfo.name() + " was already running.");
        }

        System.err.println("Lets wait here !!!");
    } finally {
        if (docker != null) {
            docker.close();
        }
    }
}
 

public static DockerContainer create(CreateAgentRequest request, PluginSettings settings, DockerClient docker,
                                     ConsoleLogAppender consoleLogAppender) throws InterruptedException, DockerException {
    String containerName = UUID.randomUUID().toString();

    HashMap<String, String> labels = labelsFrom(request);
    String imageName = image(request.properties());
    List<String> env = environmentFrom(request, settings, containerName);

    try {
        docker.inspectImage(imageName);
        if (settings.pullOnContainerCreate()) {
            consoleLogAppender.accept("Pulling a fresh version of " + imageName + ".");
            LOG.info("Pulling a fresh version of " + imageName + ".");
            docker.pull(imageName);
        }
    } catch (ImageNotFoundException ex) {
        consoleLogAppender.accept("Image " + imageName + " not found, attempting to download.");
        LOG.info("Image " + imageName + " not found, attempting to download.");
        docker.pull(imageName);
    }

    ContainerConfig.Builder containerConfigBuilder = ContainerConfig.builder();
    if (StringUtils.isNotBlank(request.properties().get("Command"))) {
        containerConfigBuilder.cmd(splitIntoLinesAndTrimSpaces(request.properties().get("Command")).toArray(new String[]{}));
    }

    final String hostConfig = request.properties().get("Hosts");
    final String reservedMemory = request.properties().get("ReservedMemory");
    final String maxMemory = request.properties().get("MaxMemory");
    final String cpus = request.properties().get("Cpus");
    final String volumeMounts = request.properties().get("Mounts");

    HostConfig.Builder hostBuilder = HostConfig.builder()
            .privileged(privileged(request.properties()))
            .extraHosts(new Hosts(hostConfig))
            .memoryReservation(new MemorySpecification(reservedMemory).getMemory())
            .memory(new MemorySpecification(maxMemory).getMemory());

    CpusSpecification cpusValue = new CpusSpecification(cpus);
    if (cpusValue.getCpus() != null) {
        hostBuilder
                .cpuPeriod(cpusValue.getCpuPeriod())
                .cpuQuota(cpusValue.getCpuQuota());
    }
    if (volumeMounts != null) {
        hostBuilder.appendBinds(Util.splitIntoLinesAndTrimSpaces(volumeMounts));
    }

    ContainerConfig containerConfig = containerConfigBuilder
            .image(imageName)
            .labels(labels)
            .env(env)
            .hostConfig(hostBuilder.build())
            .build();

    consoleLogAppender.accept(String.format("Creating container: %s", containerName));
    ContainerCreation container = docker.createContainer(containerConfig, containerName);
    String id = container.id();

    ContainerInfo containerInfo = docker.inspectContainer(id);

    LOG.debug("Created container " + containerName);
    consoleLogAppender.accept(String.format("Starting container: %s", containerName));
    docker.startContainer(containerName);
    consoleLogAppender.accept(String.format("Started container: %s", containerName));
    LOG.debug("container " + containerName + " started");
    return new DockerContainer(id, containerName, request.jobIdentifier(), containerInfo.created(), request.properties(), request.environment());
}