@Test
public void info() throws DockerException {
// Make sure that there is at least one container for the assertion
// TODO extract this into a shared method
if (dockerClient.listContainersCmd().withShowAll(true).exec().size() == 0) {
CreateContainerResponse container =
dockerClient
.createContainerCmd("busybox")
.withName("docker-java-itest-info")
.withCmd("touch", "/test")
.exec();
LOG.info("Created container: {}", container);
assertThat(container.getId(), not(isEmptyOrNullString()));
dockerClient.startContainerCmd(container.getId()).exec();
}
Info dockerInfo = dockerClient.infoCmd().exec();
LOG.info(dockerInfo.toString());
assertTrue(dockerInfo.toString().contains("containers"));
assertTrue(dockerInfo.toString().contains("images"));
assertTrue(dockerInfo.toString().contains("debug"));
assertTrue(dockerInfo.getContainers() > 0);
assertTrue(dockerInfo.getImages() > 0);
assertTrue(dockerInfo.getNFd() > 0);
assertTrue(dockerInfo.getNGoroutines() > 0);
assertTrue(dockerInfo.getNCPU() > 0);
}
/** @param args */
public static void main(String[] args) {
DockerClient dockerClient = getDockerClient("10.10.10.6");
Info info = dockerClient.infoCmd().exec();
System.out.println("Client info: {}" + info.toString());
int imgCount = info.getImages();
System.out.println("imgCount1: {}" + dockerClient.listImagesCmd().exec().size());
// This should be an image that is not used by other repositories
// already
// pulled down, preferably small in size. If tag is not used pull will
// download all images in that repository but tmpImgs will only
// deleted 'latest' image but not images with other tags
String testImage = "10.10.10.3/hello";
System.out.println("Removing image: {}" + testImage);
try {
dockerClient.removeImageCmd(testImage).withForce().exec();
} catch (NotFoundException e) {
// just ignore if not exist
}
info = dockerClient.infoCmd().exec();
System.out.println("Client info: {}" + info.toString());
imgCount = info.getImages();
System.out.println("imgCount2: {}" + dockerClient.listImagesCmd().exec().size());
System.out.println("Pulling image: {}" + testImage);
dockerClient
.pullImageCmd(testImage)
.withRepository("10.10.10.3/new11imageha12122h121221a")
.withTag("first")
.exec(new PullImageResultCallback())
.awaitSuccess();
info = dockerClient.infoCmd().exec();
System.out.println("Client info after pull, {}" + info.toString());
assertThat(imgCount, lessThanOrEqualTo(info.getImages()));
InspectImageResponse inspectImageResponse = dockerClient.inspectImageCmd(testImage).exec();
System.out.println("Image Inspect: {}" + inspectImageResponse.toString());
assertThat(inspectImageResponse, notNullValue());
}