use of com.spotify.docker.client.messages.ContainerInfo in project docker-client by spotify.
the class DefaultDockerClientTest method testLogsTimestamps.
@Test
public void testLogsTimestamps() throws Exception {
sut.pull(BUSYBOX_LATEST);
final String container = randomName();
final ContainerConfig volumeConfig = ContainerConfig.builder().image(BUSYBOX_LATEST).cmd("echo", "This message should have a timestamp").build();
sut.createContainer(volumeConfig, container);
sut.startContainer(container);
sut.waitContainer(container);
final ContainerInfo info = sut.inspectContainer(container);
assertThat(info.state().running(), is(false));
assertThat(info.state().exitCode(), is(0));
final String logs;
try (LogStream stream = sut.logs(info.id(), stdout(), stderr(), timestamps())) {
logs = stream.readFully();
}
final Pattern timestampPattern = Pattern.compile("^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d+Z.*$", Pattern.DOTALL);
assertTrue(timestampPattern.matcher(logs).matches());
assertThat(logs, containsString("This message should have a timestamp"));
}
use of com.spotify.docker.client.messages.ContainerInfo in project docker-client by spotify.
the class DefaultDockerClientTest method testPauseContainer.
@Test
public void testPauseContainer() throws Exception {
sut.pull(BUSYBOX_LATEST);
final ContainerConfig containerConfig = ContainerConfig.builder().image(BUSYBOX_LATEST).cmd("sh", "-c", "while :; do sleep 1; done").build();
final String containerName = randomName();
final ContainerCreation containerCreation = sut.createContainer(containerConfig, containerName);
final String containerId = containerCreation.id();
sut.startContainer(containerId);
// Must be running
{
final ContainerInfo containerInfo = sut.inspectContainer(containerId);
assertThat(containerInfo.state().running(), equalTo(true));
}
sut.pauseContainer(containerId);
// Must be paused
{
final ContainerInfo containerInfo = sut.inspectContainer(containerId);
assertThat(containerInfo.state().paused(), equalTo(true));
}
sut.unpauseContainer(containerId);
// Must no longer be paused
{
final ContainerInfo containerInfo = sut.inspectContainer(containerId);
assertThat(containerInfo.state().paused(), equalTo(false));
}
}
use of com.spotify.docker.client.messages.ContainerInfo in project docker-client by spotify.
the class DefaultDockerClientTest method testHealthCheck.
@Test
public void testHealthCheck() throws Exception {
requireDockerApiVersionAtLeast("1.24", "health check");
// Create image
final Path dockerDirectory = getResource("dockerDirectoryWithHealthCheck");
final String imageId = sut.build(dockerDirectory, "test-healthcheck");
// Inpect image to check healthcheck configuration
final ImageInfo imageInfo = sut.inspectImage(imageId);
assertNotNull(imageInfo.config().healthcheck());
assertEquals(Arrays.asList("CMD-SHELL", "exit 1"), imageInfo.config().healthcheck().test());
// Create container based on this image to check initial container health state
final ContainerConfig config = ContainerConfig.builder().image("test-healthcheck").build();
final String name = randomName();
final ContainerCreation creation = sut.createContainer(config, name);
sut.startContainer(creation.id());
final ContainerInfo containerInfo = sut.inspectContainer(creation.id());
assertNotNull(containerInfo.state().health());
assertEquals("starting", containerInfo.state().health().status());
}
use of com.spotify.docker.client.messages.ContainerInfo in project helios by spotify.
the class SyslogRedirectionTest method test.
@Test
public void test() throws Exception {
final String syslogOutput = "should-be-redirected";
try (final DockerClient docker = getNewDockerClient()) {
// Start a container that will be our "syslog" endpoint (just run netcat and print whatever
// we receive).
final String port = "4711";
final String expose = port + "/udp";
docker.pull(ALPINE);
final HostConfig hostConfig = HostConfig.builder().publishAllPorts(true).build();
final ContainerConfig config = ContainerConfig.builder().image(// includes spotify/busybox:latest with netcat with udp support
ALPINE).cmd(asList("nc", "-p", port, "-l", "-u")).exposedPorts(ImmutableSet.of(expose)).hostConfig(hostConfig).build();
final ContainerCreation creation = docker.createContainer(config, testTag + "_syslog");
final String syslogContainerId = creation.id();
docker.startContainer(syslogContainerId);
final ContainerInfo containerInfo = docker.inspectContainer(syslogContainerId);
assertThat(containerInfo.state().running(), equalTo(true));
final String syslogEndpoint = syslogHost + ":" + containerInfo.networkSettings().ports().get(expose).get(0).hostPort();
// Run a Helios job that logs to syslog.
startDefaultMaster();
startDefaultAgent(testHost(), "--syslog-redirect", syslogEndpoint);
awaitHostStatus(testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
final List<String> command = Lists.newArrayList();
final JobId jobId = createJob(testJobName, testJobVersion, testImage, command, ImmutableMap.of("SYSLOG_REDIRECTOR", "/syslog-redirector"));
deployJob(jobId, testHost());
final TaskStatus taskStatus = awaitTaskState(jobId, testHost(), EXITED);
{
// Verify the log for the task container
LogStream logs = null;
try {
logs = docker.logs(taskStatus.getContainerId(), stdout(), stderr());
final String log = logs.readFully();
// for old docker versions should be nothing in the docker output log, either error text
// or our message
assertEquals("", log);
} catch (DockerRequestException e) {
// for new docker versions, trying to read logs should throw an error but the syslog
// option should be set
final String logType = docker.inspectContainer(taskStatus.getContainerId()).hostConfig().logConfig().logType();
assertEquals("syslog", logType);
} finally {
if (logs != null) {
logs.close();
}
}
}
// Verify the log for the syslog container
{
final String log;
try (LogStream logs = docker.logs(syslogContainerId, stdout(), stderr())) {
log = logs.readFully();
}
// the output message from the command should appear in the syslog container
assertThat(log, containsString(syslogOutput));
}
}
}
use of com.spotify.docker.client.messages.ContainerInfo in project helios by spotify.
the class TaskRunner method run0.
private long run0() throws InterruptedException, DockerException {
// Delay
Thread.sleep(delayMillis);
// Check if the container is already running
final ContainerInfo info = getContainerInfo(existingContainerId);
final String containerId;
if (info != null && info.state().running()) {
containerId = existingContainerId;
this.containerId = Optional.of(existingContainerId);
} else {
// Create and start container if necessary
containerId = createAndStartContainer();
this.containerId = Optional.of(containerId);
if (healthChecker.isPresent()) {
listener.healthChecking();
final RetryScheduler retryScheduler = BoundedRandomExponentialBackoff.newBuilder().setMinIntervalMillis(SECONDS.toMillis(1)).setMaxIntervalMillis(SECONDS.toMillis(30)).build().newScheduler();
while (!healthChecker.get().check(containerId)) {
final ContainerState state = getContainerState(containerId);
if (state == null) {
final String err = "container " + containerId + " was not found during health " + "checking, or has no State object";
log.warn(err);
throw new RuntimeException(err);
}
if (!state.running()) {
final String err = "container " + containerId + " exited during health checking. " + "Exit code: " + state.exitCode() + ", Config: " + config;
log.warn(err);
listener.exited(state.exitCode());
throw new RuntimeException(err);
}
final long retryMillis = retryScheduler.nextMillis();
log.warn("container failed healthcheck, will retry in {}ms: {}: {}", retryMillis, config, containerId);
Thread.sleep(retryMillis);
}
log.info("healthchecking complete of containerId={} taskConfig={}", containerId, config);
} else {
log.info("no healthchecks configured for containerId={} taskConfig={}", containerId, config);
}
}
listener.running();
// Register and wait for container to exit
serviceRegistrationHandle = Optional.fromNullable(registrar.register(config.registration()));
final ContainerExit exit;
try {
exit = docker.waitContainer(containerId);
} finally {
unregister();
this.containerId = Optional.absent();
}
log.info("container exited: {}: {}: {}", config, containerId, exit.statusCode());
listener.exited(exit.statusCode());
return exit.statusCode();
}
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