@Test
public void testListContainers() throws DockerException {
String testImage = "hackmann/empty";
LOG.info("Pulling image 'hackmann/empty'");
// need to block until image is pulled completely
logResponseStream(dockerClient.pullImageCmd(testImage).exec());
tmpImgs.add(testImage);
List<Container> containers = dockerClient.listContainersCmd().withShowAll(true).exec();
assertThat(containers, notNullValue());
LOG.info("Container List: {}", containers);
int size = containers.size();
ContainerCreateResponse container1 =
dockerClient.createContainerCmd(testImage).withCmd(new String[] {"echo"}).exec();
assertThat(container1.getId(), not(isEmptyString()));
ContainerInspectResponse containerInspectResponse =
dockerClient.inspectContainerCmd(container1.getId()).exec();
assertThat(containerInspectResponse.getConfig().getImage(), is(equalTo(testImage)));
dockerClient.startContainerCmd(container1.getId()).exec();
tmpContainers.add(container1.getId());
LOG.info("container id: " + container1.getId());
List<Container> containers2 = dockerClient.listContainersCmd().withShowAll(true).exec();
for (Container container : containers2) {
LOG.info("listContainer: id=" + container.getId() + " image=" + container.getImage());
}
assertThat(size + 1, is(equalTo(containers2.size())));
Matcher matcher = hasItem(hasField("id", startsWith(container1.getId())));
assertThat(containers2, matcher);
List<Container> filteredContainers =
filter(hasField("id", startsWith(container1.getId())), containers2);
assertThat(filteredContainers.size(), is(equalTo(1)));
for (Container container : filteredContainers) {
LOG.info("filteredContainer: " + container.getImage());
}
Container container2 = filteredContainers.get(0);
assertThat(container2.getCommand(), not(isEmptyString()));
assertThat(container2.getImage(), equalTo(testImage + ":latest"));
}
@Test
public void testNetCatDockerfileBuilder()
throws DockerException, IOException, InterruptedException {
File baseDir =
new File(Thread.currentThread().getContextClassLoader().getResource("netcat").getFile());
ClientResponse response = dockerClient.buildImageCmd(baseDir).exec();
StringWriter logwriter = new StringWriter();
try {
LineIterator itr = IOUtils.lineIterator(response.getEntityInputStream(), "UTF-8");
while (itr.hasNext()) {
String line = itr.next();
logwriter.write(line + "\n");
LOG.info(line);
}
} finally {
IOUtils.closeQuietly(response.getEntityInputStream());
}
String fullLog = logwriter.toString();
assertThat(fullLog, containsString("Successfully built"));
String imageId = StringUtils.substringBetween(fullLog, "Successfully built ", "\\n\"}").trim();
ImageInspectResponse imageInspectResponse = dockerClient.inspectImageCmd(imageId).exec();
assertThat(imageInspectResponse, not(nullValue()));
LOG.info("Image Inspect: {}", imageInspectResponse.toString());
tmpImgs.add(imageInspectResponse.getId());
ContainerCreateResponse container =
dockerClient.createContainerCmd(imageInspectResponse.getId()).exec();
assertThat(container.getId(), not(isEmptyString()));
dockerClient.startContainerCmd(container.getId()).exec();
tmpContainers.add(container.getId());
ContainerInspectResponse containerInspectResponse =
dockerClient.inspectContainerCmd(container.getId()).exec();
assertThat(containerInspectResponse.getId(), notNullValue());
assertThat(containerInspectResponse.getNetworkSettings().getPorts(), notNullValue());
// No use as such if not running on the server
for (Ports.Port p : containerInspectResponse.getNetworkSettings().getPorts().getAllPorts()) {
int port = Integer.valueOf(p.getHostPort());
LOG.info("Checking port {} is open", port);
assertThat(available(port), is(false));
}
dockerClient.stopContainerCmd(container.getId()).withTimeout(0).exec();
}