@Before
public void baseSetup() throws Exception {
System.setProperty("user.name", TEST_USER);
masterPort = temporaryPorts.localPort("helios master");
masterAdminPort = temporaryPorts.localPort("helios master admin");
masterEndpoint = "http://localhost:" + masterPort();
masterAdminEndpoint = "http://localhost:" + masterAdminPort();
zk = zooKeeperTestManager();
listThreads();
zk.ensure("/config");
zk.ensure("/status");
agentStateDirs = temporaryFolder.newFolder("helios-agents").toPath();
masterStateDirs = temporaryFolder.newFolder("helios-masters").toPath();
// TODO (mbrown): not 100% sure what a minimal client is but it sounds good
httpClient = HttpClients.createMinimal();
}
@Before
public void dockerSetup() throws Exception {
final String portRange = System.getenv("DOCKER_PORT_RANGE");
final AllocatedPort allocatedPort;
final int probePort;
if (portRange != null) {
final String[] parts = portRange.split(":", 2);
dockerPortRange = Range.closedOpen(Integer.valueOf(parts[0]), Integer.valueOf(parts[1]));
allocatedPort =
Polling.await(
LONG_WAIT_SECONDS,
SECONDS,
new Callable<AllocatedPort>() {
@Override
public AllocatedPort call() throws Exception {
final int port =
ThreadLocalRandom.current()
.nextInt(
dockerPortRange.lowerEndpoint(), dockerPortRange.upperEndpoint());
return temporaryPorts.tryAcquire("docker-probe", port);
}
});
probePort = allocatedPort.port();
} else {
dockerPortRange = temporaryPorts.localPortRange("docker", 10);
probePort = dockerPortRange().lowerEndpoint();
allocatedPort = null;
}
try {
assertDockerReachable(probePort);
} finally {
if (allocatedPort != null) {
allocatedPort.release();
}
}
}
public abstract class SystemTestBase {
private static final Logger log = LoggerFactory.getLogger(SystemTestBase.class);
public static final int WAIT_TIMEOUT_SECONDS = 40;
public static final int LONG_WAIT_SECONDS = 400;
public static final String BUSYBOX = "busybox:latest";
public static final String BUSYBOX_WITH_DIGEST =
"busybox@sha256:16a2a52884c2a9481ed267c2d46483eac7693b813a63132368ab098a71303f8a";
public static final String NGINX = "rohan/nginx-alpine:latest";
public static final String UHTTPD = "fnichol/docker-uhttpd:latest";
public static final String ALPINE = "onescience/alpine:latest";
public static final String MEMCACHED = "rohan/memcached-mini:latest";
public static final List<String> IDLE_COMMAND =
asList("sh", "-c", "trap 'exit 0' SIGINT SIGTERM; while :; do sleep 1; done");
public final String testTag = "test_" + randomHexString();
public final String testJobName = "job_" + testTag;
public final String testJobVersion = "v" + randomHexString();
public final String testJobNameAndVersion = testJobName + ":" + testJobVersion;
public static final DockerHost DOCKER_HOST = DockerHost.fromEnv();
public static final String TEST_USER = "******";
public static final String TEST_HOST = "test-host";
public static final String TEST_MASTER = "test-master";
public static final String MASTER_USER = "******";
public static final String MASTER_PASSWORD = "******";
public static final String AGENT_USER = "******";
public static final String AGENT_PASSWORD = "******";
public static final String MASTER_DIGEST =
ZooKeeperAclProviders.digest(MASTER_USER, MASTER_PASSWORD);
public static final String AGENT_DIGEST =
ZooKeeperAclProviders.digest(AGENT_USER, AGENT_PASSWORD);
@Rule public final TemporaryPorts temporaryPorts = TemporaryPorts.create();
@Rule public final TemporaryFolder temporaryFolder = new TemporaryFolder();
@Rule public final ExpectedException exception = ExpectedException.none();
@Rule public final TestRule watcher = new LoggingTestWatcher();
private int masterPort;
private int masterAdminPort;
private String masterEndpoint;
private String masterAdminEndpoint;
private Range<Integer> dockerPortRange;
private final List<Service> services = newArrayList();
private final List<HeliosClient> clients = Lists.newArrayList();
private Path agentStateDirs;
private Path masterStateDirs;
private ZooKeeperTestManager zk;
protected final String zkClusterId = String.valueOf(ThreadLocalRandom.current().nextInt(10000));
/** An HttpClient that can be used for sending arbitrary HTTP requests */
protected CloseableHttpClient httpClient;
@BeforeClass
public static void staticSetup() {
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
}
@Before
public void baseSetup() throws Exception {
System.setProperty("user.name", TEST_USER);
masterPort = temporaryPorts.localPort("helios master");
masterAdminPort = temporaryPorts.localPort("helios master admin");
masterEndpoint = "http://localhost:" + masterPort();
masterAdminEndpoint = "http://localhost:" + masterAdminPort();
zk = zooKeeperTestManager();
listThreads();
zk.ensure("/config");
zk.ensure("/status");
agentStateDirs = temporaryFolder.newFolder("helios-agents").toPath();
masterStateDirs = temporaryFolder.newFolder("helios-masters").toPath();
// TODO (mbrown): not 100% sure what a minimal client is but it sounds good
httpClient = HttpClients.createMinimal();
}
@Before
public void dockerSetup() throws Exception {
final String portRange = System.getenv("DOCKER_PORT_RANGE");
final AllocatedPort allocatedPort;
final int probePort;
if (portRange != null) {
final String[] parts = portRange.split(":", 2);
dockerPortRange = Range.closedOpen(Integer.valueOf(parts[0]), Integer.valueOf(parts[1]));
allocatedPort =
Polling.await(
LONG_WAIT_SECONDS,
SECONDS,
new Callable<AllocatedPort>() {
@Override
public AllocatedPort call() throws Exception {
final int port =
ThreadLocalRandom.current()
.nextInt(
dockerPortRange.lowerEndpoint(), dockerPortRange.upperEndpoint());
return temporaryPorts.tryAcquire("docker-probe", port);
}
});
probePort = allocatedPort.port();
} else {
dockerPortRange = temporaryPorts.localPortRange("docker", 10);
probePort = dockerPortRange().lowerEndpoint();
allocatedPort = null;
}
try {
assertDockerReachable(probePort);
} finally {
if (allocatedPort != null) {
allocatedPort.release();
}
}
}
protected DockerClient getNewDockerClient() throws Exception {
if (isNullOrEmpty(DOCKER_HOST.dockerCertPath())) {
return new DefaultDockerClient(DOCKER_HOST.uri());
} else {
final Path dockerCertPath = java.nio.file.Paths.get(DOCKER_HOST.dockerCertPath());
return new DefaultDockerClient(DOCKER_HOST.uri(), new DockerCertificates(dockerCertPath));
}
}
private void assertDockerReachable(final int probePort) throws Exception {
try (final DockerClient docker = getNewDockerClient()) {
// Pull our base images
try {
docker.inspectImage(BUSYBOX);
} catch (ImageNotFoundException e) {
docker.pull(BUSYBOX);
}
try {
docker.inspectImage(ALPINE);
} catch (ImageNotFoundException e) {
docker.pull(ALPINE);
}
// Start a container with an exposed port
final HostConfig hostConfig =
HostConfig.builder()
.portBindings(
ImmutableMap.of("4711/tcp", singletonList(PortBinding.of("0.0.0.0", probePort))))
.build();
final ContainerConfig config =
ContainerConfig.builder()
.image(BUSYBOX)
.cmd("nc", "-p", "4711", "-lle", "cat")
.exposedPorts(ImmutableSet.of("4711/tcp"))
.hostConfig(hostConfig)
.build();
final ContainerCreation creation = docker.createContainer(config, testTag + "-probe");
final String containerId = creation.id();
docker.startContainer(containerId);
// Wait for container to come up
Polling.await(
5,
SECONDS,
new Callable<Object>() {
@Override
public Object call() throws Exception {
final ContainerInfo info = docker.inspectContainer(containerId);
return info.state().running() ? true : null;
}
});
log.info("Verifying that docker containers are reachable");
try {
Polling.awaitUnchecked(
5,
SECONDS,
new Callable<Object>() {
@Override
public Object call() throws Exception {
log.info("Probing: {}:{}", DOCKER_HOST.address(), probePort);
try (final Socket ignored = new Socket(DOCKER_HOST.address(), probePort)) {
return true;
} catch (IOException e) {
return false;
}
}
});
} catch (TimeoutException e) {
fail(
"Please ensure that DOCKER_HOST is set to an address that where containers can "
+ "be reached. If docker is running in a local VM, DOCKER_HOST must be set to the "
+ "address of that VM. If docker can only be reached on a limited port range, "
+ "set the environment variable DOCKER_PORT_RANGE=start:end");
}
docker.killContainer(containerId);
}
}
protected ZooKeeperTestManager zooKeeperTestManager() {
return new ZooKeeperTestingServerManager();
}
@After
public void baseTeardown() throws Exception {
for (final HeliosClient client : clients) {
client.close();
}
clients.clear();
for (Service service : services) {
try {
service.stopAsync();
} catch (Exception e) {
log.error("Uncaught exception", e);
}
}
for (Service service : services) {
try {
service.awaitTerminated();
} catch (Exception e) {
log.error("Service failed", e);
}
}
services.clear();
// Clean up docker
try (final DockerClient dockerClient = getNewDockerClient()) {
final List<Container> containers = dockerClient.listContainers();
for (final Container container : containers) {
for (final String name : container.names()) {
if (name.contains(testTag)) {
try {
dockerClient.killContainer(container.id());
} catch (DockerException e) {
e.printStackTrace();
}
break;
}
}
}
} catch (Exception e) {
log.error("Docker client exception", e);
}
if (zk != null) {
zk.close();
}
listThreads();
}
private void listThreads() {
final Set<Thread> threads = Thread.getAllStackTraces().keySet();
final Map<String, Thread> sorted = Maps.newTreeMap();
for (final Thread t : threads) {
final ThreadGroup tg = t.getThreadGroup();
if (t.isAlive() && (tg == null || !tg.getName().equals("system"))) {
sorted.put(t.getName(), t);
}
}
log.info("= THREADS " + Strings.repeat("=", 70));
for (final Thread t : sorted.values()) {
final ThreadGroup tg = t.getThreadGroup();
log.info(
"{}: \"{}\" ({}{})",
t.getId(),
t.getName(),
(tg == null ? "" : tg.getName() + " "),
(t.isDaemon() ? "daemon" : ""));
}
log.info(Strings.repeat("=", 80));
}
protected TemporaryPorts temporaryPorts() {
return temporaryPorts;
}
protected ZooKeeperTestManager zk() {
return zk;
}
protected String masterEndpoint() {
return masterEndpoint;
}
protected String masterAdminEndpoint() {
return masterAdminEndpoint;
}
protected String masterName() throws InterruptedException, ExecutionException {
return TEST_MASTER;
}
protected HeliosClient defaultClient() {
return client(TEST_USER, masterEndpoint());
}
protected HeliosClient client(final String user, final String endpoint) {
final HeliosClient client =
HeliosClient.newBuilder()
.setUser(user)
.setEndpoints(singletonList(URI.create(endpoint)))
.build();
clients.add(client);
return client;
}
protected int masterPort() {
return masterPort;
}
protected int masterAdminPort() {
return masterAdminPort;
}
public Range<Integer> dockerPortRange() {
return dockerPortRange;
}
protected String testHost() throws InterruptedException, ExecutionException {
return TEST_HOST;
}
protected List<String> setupDefaultMaster(String... args) throws Exception {
return setupDefaultMaster(0, args);
}
protected List<String> setupDefaultMaster(final int offset, String... args) throws Exception {
// TODO (dano): Move this bootstrapping to something reusable
final CuratorFramework curator = zk.curatorWithSuperAuth();
curator.newNamespaceAwareEnsurePath(Paths.configHosts()).ensure(curator.getZookeeperClient());
curator.newNamespaceAwareEnsurePath(Paths.configJobs()).ensure(curator.getZookeeperClient());
curator.newNamespaceAwareEnsurePath(Paths.configJobRefs()).ensure(curator.getZookeeperClient());
curator.newNamespaceAwareEnsurePath(Paths.statusHosts()).ensure(curator.getZookeeperClient());
curator.newNamespaceAwareEnsurePath(Paths.statusMasters()).ensure(curator.getZookeeperClient());
curator.newNamespaceAwareEnsurePath(Paths.historyJobs()).ensure(curator.getZookeeperClient());
curator
.newNamespaceAwareEnsurePath(Paths.configId(zkClusterId))
.ensure(curator.getZookeeperClient());
final List<String> argsList =
Lists.newArrayList(
"-vvvv",
"--no-log-setup",
"--http",
"http://0.0.0.0:" + (masterPort() + offset),
"--admin",
"http://0.0.0.0:" + (masterAdminPort() + offset),
"--domain",
"",
"--zk",
zk.connectString(),
"--zk-enable-acls",
"--zk-acl-agent-user",
AGENT_USER,
"--zk-acl-agent-digest",
AGENT_DIGEST,
"--zk-acl-master-user",
MASTER_USER,
"--zk-acl-master-password",
MASTER_PASSWORD);
final String name;
if (asList(args).contains("--name")) {
name = args[asList(args).indexOf("--name") + 1];
} else {
name = TEST_MASTER + offset;
argsList.addAll(asList("--name", TEST_MASTER));
}
final String stateDir = masterStateDirs.resolve(name).toString();
argsList.addAll(asList("--state-dir", stateDir));
argsList.addAll(asList(args));
return argsList;
}
protected MasterMain startDefaultMaster(String... args) throws Exception {
return startDefaultMaster(0, args);
}
protected MasterMain startDefaultMaster(Map<String, String> environmentVariables, String... args)
throws Exception {
return startDefaultMaster(0, environmentVariables, args);
}
protected MasterMain startDefaultMaster(final int offset, String... args) throws Exception {
return startDefaultMaster(offset, ImmutableMap.<String, String>of(), args);
}
protected MasterMain startDefaultMaster(
final int offset, final Map<String, String> environmentVariables, final String... args)
throws Exception {
final List<String> argsList = setupDefaultMaster(offset, args);
if (argsList == null) {
return null;
}
final MasterMain master =
startMaster(environmentVariables, argsList.toArray(new String[argsList.size()]));
waitForMasterToBeFullyUp();
return master;
}
protected Map<String, MasterMain> startDefaultMasters(final int numMasters, String... args)
throws Exception {
final Map<String, MasterMain> masters = Maps.newHashMap();
for (int i = 0; i < numMasters; i++) {
final String name = TEST_MASTER + i;
final List<String> argsList = Lists.newArrayList(args);
argsList.addAll(asList("--name", name));
masters.put(name, startDefaultMaster(i, argsList.toArray(new String[argsList.size()])));
}
return masters;
}
protected void waitForMasterToBeFullyUp() throws Exception {
log.debug("waitForMasterToBeFullyUp: beginning wait loop");
Polling.await(
WAIT_TIMEOUT_SECONDS,
SECONDS,
new Callable<Object>() {
@Override
public Object call() {
try {
// While MasterService will start listening for http requests on the main and admin
// ports
// as soon as it is started (without waiting for ZK to be available), the Healthcheck
// registered for Zookeeper connectivity will cause the HealthcheckServlet to not
// return
// 200 OK until ZK is connected to (and even better, until *everything* is healthy).
final HttpGet request = new HttpGet(masterAdminEndpoint + "/healthcheck");
try (CloseableHttpResponse response = httpClient.execute(request)) {
final int status = response.getStatusLine().getStatusCode();
log.debug("waitForMasterToBeFullyUp: healthcheck endpoint returned {}", status);
return status == HttpStatus.SC_OK;
}
} catch (Exception e) {
return null;
}
}
});
}
protected void startDefaultMasterDontWaitForZK(
final CuratorClientFactory curatorClientFactory, String... args) throws Exception {
List<String> argsList = setupDefaultMaster(args);
if (argsList == null) {
return;
}
startMaster(curatorClientFactory, argsList.toArray(new String[argsList.size()]));
}
protected AgentMain startDefaultAgent(final String host, final String... args) throws Exception {
final String stateDir = agentStateDirs.resolve(host).toString();
final List<String> argsList =
Lists.newArrayList(
"-vvvv",
"--no-log-setup",
"--no-http",
"--name",
host,
"--docker=" + DOCKER_HOST,
"--zk",
zk.connectString(),
"--zk-session-timeout",
"100",
"--zk-connection-timeout",
"100",
"--zk-enable-acls",
"--zk-acl-master-user",
MASTER_USER,
"--zk-acl-master-digest",
MASTER_DIGEST,
"--zk-acl-agent-user",
AGENT_USER,
"--zk-acl-agent-password",
AGENT_PASSWORD,
"--state-dir",
stateDir,
"--domain",
"",
"--port-range="
+ dockerPortRange.lowerEndpoint()
+ ":"
+ dockerPortRange.upperEndpoint());
argsList.addAll(asList(args));
return startAgent(argsList.toArray(new String[argsList.size()]));
}
protected MasterMain startMaster(
final Map<String, String> environmentVariables, final String... args) throws Exception {
final MasterMain main = new MasterMain(environmentVariables, args);
main.startAsync().awaitRunning();
services.add(main);
return main;
}
MasterMain startMaster(final CuratorClientFactory curatorClientFactory, final String... args)
throws Exception {
final MasterMain main = new MasterMain(curatorClientFactory, args);
main.startAsync().awaitRunning();
services.add(main);
return main;
}
protected AgentMain startAgent(final String... args) throws Exception {
final AgentMain main = new AgentMain(args);
main.startAsync().awaitRunning();
services.add(main);
return main;
}
protected JobId createJob(
final String name, final String version, final String image, final List<String> command)
throws Exception {
return createJob(name, version, image, command, EMPTY_ENV, EMPTY_PORTS, EMPTY_REGISTRATION);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final List<String> command,
final Date expires)
throws Exception {
return createJob(
name,
version,
image,
EMPTY_HOSTNAME,
command,
EMPTY_ENV,
EMPTY_PORTS,
EMPTY_REGISTRATION,
EMPTY_GRACE_PERIOD,
EMPTY_VOLUMES,
expires);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final List<String> command,
final ImmutableMap<String, String> env)
throws Exception {
return createJob(name, version, image, command, env, EMPTY_PORTS, EMPTY_REGISTRATION);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final List<String> command,
final Map<String, String> env,
final Map<String, PortMapping> ports)
throws Exception {
return createJob(name, version, image, command, env, ports, EMPTY_REGISTRATION);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final List<String> command,
final Map<String, String> env,
final Map<String, PortMapping> ports,
final Map<ServiceEndpoint, ServicePorts> registration)
throws Exception {
return createJob(
name, version, image, command, env, ports, registration, EMPTY_GRACE_PERIOD, EMPTY_VOLUMES);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final List<String> command,
final Map<String, String> env,
final Map<String, PortMapping> ports,
final Map<ServiceEndpoint, ServicePorts> registration,
final Integer gracePeriod,
final Map<String, String> volumes)
throws Exception {
return createJob(
name,
version,
image,
EMPTY_HOSTNAME,
command,
env,
ports,
registration,
gracePeriod,
volumes,
EMPTY_EXPIRES);
}
protected JobId createJob(
final String name,
final String version,
final String image,
final String hostname,
final List<String> command,
final Map<String, String> env,
final Map<String, PortMapping> ports,
final Map<ServiceEndpoint, ServicePorts> registration,
final Integer gracePeriod,
final Map<String, String> volumes,
final Date expires)
throws Exception {
return createJob(
Job.newBuilder()
.setName(name)
.setVersion(version)
.setImage(image)
.setHostname(hostname)
.setCommand(command)
.setEnv(env)
.setPorts(ports)
.setRegistration(registration)
.setGracePeriod(gracePeriod)
.setVolumes(volumes)
.setExpires(expires)
.build());
}
protected JobId createJob(final Job job) throws Exception {
final String createOutput = createJobRawOutput(job);
final String jobId = WHITESPACE.trimFrom(createOutput);
return JobId.fromString(jobId);
}
protected String createJobRawOutput(final Job job) throws Exception {
final String name = job.getId().getName();
checkArgument(name.contains(testTag), "Job name must contain testTag to enable cleanup");
final String serializedConfig = Json.asNormalizedString(job);
final File configFile = temporaryFolder.newFile();
Files.write(serializedConfig, configFile, Charsets.UTF_8);
final List<String> args = ImmutableList.of("-q", "-f", configFile.getAbsolutePath());
return cli("create", args);
}
protected void deployJob(final JobId jobId, final String host) throws Exception {
deployJob(jobId, host, null);
}
protected void deployJob(final JobId jobId, final String host, final String token)
throws Exception {
final List<String> deployArgs = Lists.newArrayList(jobId.toString(), host);
if (token != null) {
deployArgs.addAll(ImmutableList.of("--token", token));
}
final String deployOutput = cli("deploy", deployArgs);
assertThat(deployOutput, containsString(host + ": done"));
final String output = cli("status", "--host", host, "--json");
final Map<JobId, JobStatus> statuses =
Json.readUnchecked(output, new TypeReference<Map<JobId, JobStatus>>() {});
assertTrue(statuses.keySet().contains(jobId));
}
protected void undeployJob(final JobId jobId, final String host) throws Exception {
final String undeployOutput = cli("undeploy", jobId.toString(), host);
assertThat(undeployOutput, containsString(host + ": done"));
final String output = cli("status", "--host", host, "--json");
final Map<JobId, JobStatus> statuses =
Json.readUnchecked(output, new TypeReference<Map<JobId, JobStatus>>() {});
final JobStatus status = statuses.get(jobId);
assertTrue(status == null || status.getDeployments().get(host) == null);
}
protected String startJob(final JobId jobId, final String host) throws Exception {
return cli("start", jobId.toString(), host);
}
protected String stopJob(final JobId jobId, final String host) throws Exception {
return cli("stop", jobId.toString(), host);
}
protected String deregisterHost(final String host) throws Exception {
return cli("deregister", host, "--yes");
}
protected String cli(final String command, final Object... args) throws Exception {
return cli(command, flatten(args));
}
protected String cli(final String command, final String... args) throws Exception {
return cli(command, asList(args));
}
protected String cli(final String command, final List<String> args) throws Exception {
final List<String> commands = asList(command, "-z", masterEndpoint(), "--no-log-setup");
final List<String> allArgs = newArrayList(concat(commands, args));
return main(allArgs).toString();
}
protected <T> T cliJson(final Class<T> klass, final String command, final String... args)
throws Exception {
return cliJson(klass, command, asList(args));
}
protected <T> T cliJson(final Class<T> klass, final String command, final List<String> args)
throws Exception {
final List<String> args0 = newArrayList("--json");
args0.addAll(args);
return Json.read(cli(command, args0), klass);
}
protected ByteArrayOutputStream main(final String... args) throws Exception {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final ByteArrayOutputStream err = new ByteArrayOutputStream();
final CliMain main = new CliMain(new PrintStream(out), new PrintStream(err), args);
main.run();
return out;
}
protected ByteArrayOutputStream main(final Collection<String> args) throws Exception {
return main(args.toArray(new String[args.size()]));
}
protected void awaitHostRegistered(final String name, final long timeout, final TimeUnit timeUnit)
throws Exception {
Polling.await(
timeout,
timeUnit,
new Callable<Object>() {
@Override
public Object call() throws Exception {
final String output = cli("hosts", "-q");
return output.contains(name) ? true : null;
}
});
}
protected HostStatus awaitHostStatus(
final String name, final HostStatus.Status status, final int timeout, final TimeUnit timeUnit)
throws Exception {
return Polling.await(
timeout,
timeUnit,
new Callable<HostStatus>() {
@Override
public HostStatus call() throws Exception {
final String output = cli("hosts", name, "--json");
final Map<String, HostStatus> statuses;
try {
statuses = Json.read(output, new TypeReference<Map<String, HostStatus>>() {});
} catch (IOException e) {
return null;
}
final HostStatus hostStatus = statuses.get(name);
if (hostStatus == null) {
return null;
}
return (hostStatus.getStatus() == status) ? hostStatus : null;
}
});
}
protected TaskStatus awaitJobState(
final HeliosClient client,
final String host,
final JobId jobId,
final TaskStatus.State state,
final int timeout,
final TimeUnit timeunit)
throws Exception {
return Polling.await(
timeout,
timeunit,
new Callable<TaskStatus>() {
@Override
public TaskStatus call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
if (hostStatus == null) {
return null;
}
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
return (taskStatus != null && taskStatus.getState() == state) ? taskStatus : null;
}
});
}
protected TaskStatus awaitJobThrottle(
final HeliosClient client,
final String host,
final JobId jobId,
final ThrottleState throttled,
final int timeout,
final TimeUnit timeunit)
throws Exception {
return Polling.await(
timeout,
timeunit,
new Callable<TaskStatus>() {
@Override
public TaskStatus call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
if (hostStatus == null) {
return null;
}
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
return (taskStatus != null && taskStatus.getThrottled() == throttled)
? taskStatus
: null;
}
});
}
protected void awaitHostRegistered(
final HeliosClient client, final String host, final int timeout, final TimeUnit timeUnit)
throws Exception {
Polling.await(
timeout,
timeUnit,
new Callable<HostStatus>() {
@Override
public HostStatus call() throws Exception {
return getOrNull(client.hostStatus(host));
}
});
}
protected HostStatus awaitHostStatus(
final HeliosClient client,
final String host,
final HostStatus.Status status,
final int timeout,
final TimeUnit timeUnit)
throws Exception {
return Polling.await(
timeout,
timeUnit,
new Callable<HostStatus>() {
@Override
public HostStatus call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
if (hostStatus == null) {
return null;
}
return (hostStatus.getStatus() == status) ? hostStatus : null;
}
});
}
protected HostStatus awaitHostStatusWithLabels(
final HeliosClient client,
final String host,
final HostStatus.Status status,
final int timeout,
final TimeUnit timeUnit)
throws Exception {
return Polling.await(
timeout,
timeUnit,
new Callable<HostStatus>() {
@Override
public HostStatus call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
if (hostStatus == null || hostStatus.getLabels().size() == 0) {
return null;
}
return (hostStatus.getStatus() == status) ? hostStatus : null;
}
});
}
protected HostStatus awaitHostStatusWithHostInfo(
final HeliosClient client,
final String host,
final HostStatus.Status status,
final int timeout,
final TimeUnit timeUnit)
throws Exception {
return Polling.await(
timeout,
timeUnit,
new Callable<HostStatus>() {
@Override
public HostStatus call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
if (hostStatus == null || hostStatus.getHostInfo() == null) {
return null;
}
return (hostStatus.getStatus() == status) ? hostStatus : null;
}
});
}
protected TaskStatus awaitTaskState(
final JobId jobId, final String host, final TaskStatus.State state) throws Exception {
return Polling.await(
LONG_WAIT_SECONDS,
SECONDS,
new Callable<TaskStatus>() {
@Override
public TaskStatus call() throws Exception {
final String output = cli("status", "--json", "--job", jobId.toString());
final Map<JobId, JobStatus> statusMap;
try {
statusMap = Json.read(output, new TypeReference<Map<JobId, JobStatus>>() {});
} catch (IOException e) {
return null;
}
final JobStatus status = statusMap.get(jobId);
if (status == null) {
return null;
}
final TaskStatus taskStatus = status.getTaskStatuses().get(host);
if (taskStatus == null) {
return null;
}
if (taskStatus.getState() != state) {
return null;
}
return taskStatus;
}
});
}
protected void awaitTaskGone(
final HeliosClient client,
final String host,
final JobId jobId,
final long timeout,
final TimeUnit timeunit)
throws Exception {
Polling.await(
timeout,
timeunit,
new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
final HostStatus hostStatus = getOrNull(client.hostStatus(host));
final TaskStatus taskStatus = hostStatus.getStatuses().get(jobId);
final Deployment deployment = hostStatus.getJobs().get(jobId);
return taskStatus == null && deployment == null ? true : null;
}
});
}
protected DeploymentGroupStatus awaitDeploymentGroupStatus(
final HeliosClient client, final String name, final DeploymentGroupStatus.State state)
throws Exception {
return Polling.await(
LONG_WAIT_SECONDS,
SECONDS,
new Callable<DeploymentGroupStatus>() {
@Override
public DeploymentGroupStatus call() throws Exception {
final DeploymentGroupStatusResponse response =
getOrNull(client.deploymentGroupStatus(name));
if (response != null) {
final DeploymentGroupStatus status = response.getDeploymentGroupStatus();
if (status.getState().equals(state)) {
return status;
} else if (status.getState().equals(DeploymentGroupStatus.State.FAILED)) {
assertEquals(state, status.getState());
}
}
return null;
}
});
}
protected <T> T getOrNull(final ListenableFuture<T> future)
throws ExecutionException, InterruptedException {
return Futures.withFallback(
future,
new FutureFallback<T>() {
@Override
public ListenableFuture<T> create(@NotNull final Throwable t) throws Exception {
return Futures.immediateFuture(null);
}
})
.get();
}
protected String readLogFully(final ClientResponse logs) throws IOException {
final LogReader logReader = new LogReader(logs.getEntityInputStream());
StringBuilder stringBuilder = new StringBuilder();
LogMessage logMessage;
while ((logMessage = logReader.nextMessage()) != null) {
stringBuilder.append(UTF_8.decode(logMessage.content()));
}
logReader.close();
return stringBuilder.toString();
}
protected static void removeContainer(final DockerClient dockerClient, final String containerId)
throws Exception {
// Work around docker sometimes failing to remove a container directly after killing it
Polling.await(
1,
MINUTES,
new Callable<Object>() {
@Override
public Object call() throws Exception {
try {
dockerClient.killContainer(containerId);
} catch (DockerRequestException e) {
if (e.message().contains("is not running")) {
// Container already isn't running. So we continue.
} else {
throw e;
}
}
try {
dockerClient.removeContainer(containerId);
return true;
} catch (ContainerNotFoundException e) {
// We're done here
return true;
} catch (DockerException e) {
if ((e instanceof DockerRequestException)
&& ((DockerRequestException) e)
.message()
.contains("Driver btrfs failed to remove root filesystem")) {
// Workaround btrfs issue where removing containers throws an exception,
// but succeeds anyway.
return true;
} else {
return null;
}
}
}
});
}
protected List<Container> listContainers(final DockerClient dockerClient, final String needle)
throws DockerException, InterruptedException {
final List<Container> containers = dockerClient.listContainers();
final List<Container> matches = Lists.newArrayList();
for (final Container container : containers) {
if (container.names() != null) {
for (final String name : container.names()) {
if (name.contains(needle)) {
matches.add(container);
break;
}
}
}
}
return matches;
}
protected List<String> flatten(final Object... values) {
final Iterable<Object> valuesList = asList(values);
return flatten(valuesList);
}
protected List<String> flatten(final Iterable<?> values) {
final List<String> list = new ArrayList<>();
for (Object value : values) {
if (value instanceof Iterable) {
list.addAll(flatten((Iterable<?>) value));
} else if (value.getClass() == String[].class) {
list.addAll(asList((String[]) value));
} else if (value instanceof String) {
list.add((String) value);
} else {
throw new IllegalArgumentException();
}
}
return list;
}
protected void assertJobsEqual(final Map<JobId, Job> expected, final Map<JobId, Job> actual) {
assertEquals(expected.size(), actual.size());
for (final Map.Entry<JobId, Job> entry : actual.entrySet()) {
assertJobEquals(expected.get(entry.getKey()), entry.getValue());
}
}
protected void assertJobEquals(final Job expected, final Job actual) {
final Builder expectedBuilder = expected.toBuilder();
// hack to make sure that any environment variables that were folded into the created job
// because of environment variables set at runtime on the test-running-agent are removed
// from the actual when we assert the equality below
final Builder actualBuilder = actual.toBuilder();
final Map<String, String> metadata = Maps.newHashMap(actual.getMetadata());
for (Map.Entry<String, String> entry : JobCreateCommand.DEFAULT_METADATA_ENVVARS.entrySet()) {
final String envVar = entry.getKey();
final String metadataKey = entry.getValue();
final String envValue = System.getenv(envVar);
if (envValue != null
&& actual.getMetadata().containsKey(metadataKey)
&& actual.getMetadata().get(metadataKey).equals(envValue)) {
metadata.remove(metadataKey);
}
}
actualBuilder.setMetadata(metadata);
// Remove created timestamp set by master
actualBuilder.setCreated(null);
// copy the hash
expectedBuilder.setHash(actualBuilder.build().getId().getHash());
assertEquals(expectedBuilder.build(), actualBuilder.build());
}
protected static String randomHexString() {
return toHexString(ThreadLocalRandom.current().nextInt());
}
protected void resetAgentStateDir() throws IOException {
agentStateDirs = temporaryFolder.newFolder(UUID.randomUUID().toString()).toPath();
}
}
