Examples with DestroyWorkerRequest org.apache.kafka.trogdor.rest.DestroyWorkerRequest used on opensource projects

Example 1 with DestroyWorkerRequest

use of org.apache.kafka.trogdor.rest.DestroyWorkerRequest in project kafka by apache.

the class AgentClient method main.

public static void main(String[] args) throws Exception {
    ArgumentParser rootParser = ArgumentParsers.newArgumentParser("trogdor-agent-client").defaultHelp(true).description("The Trogdor agent client.");
    Subparsers subParsers = rootParser.addSubparsers().dest("command");
    Subparser uptimeParser = subParsers.addParser("uptime").help("Get the agent uptime.");
    addTargetArgument(uptimeParser);
    addJsonArgument(uptimeParser);
    Subparser statusParser = subParsers.addParser("status").help("Get the agent status.");
    addTargetArgument(statusParser);
    addJsonArgument(statusParser);
    Subparser createWorkerParser = subParsers.addParser("createWorker").help("Create a new worker.");
    addTargetArgument(createWorkerParser);
    addWorkerIdArgument(createWorkerParser, "The worker ID to create.");
    createWorkerParser.addArgument("--taskId").action(store()).required(true).type(String.class).dest("taskId").metavar("TASK_ID").help("The task ID to create.");
    createWorkerParser.addArgument("--spec", "-s").action(store()).required(true).type(String.class).dest("taskSpec").metavar("TASK_SPEC").help("The task spec to create, or a path to a file containing the task spec.");
    Subparser stopWorkerParser = subParsers.addParser("stopWorker").help("Stop a worker.");
    addTargetArgument(stopWorkerParser);
    addWorkerIdArgument(stopWorkerParser, "The worker ID to stop.");
    Subparser destroyWorkerParser = subParsers.addParser("destroyWorker").help("Destroy a worker.");
    addTargetArgument(destroyWorkerParser);
    addWorkerIdArgument(destroyWorkerParser, "The worker ID to destroy.");
    Subparser shutdownParser = subParsers.addParser("shutdown").help("Shut down the agent.");
    addTargetArgument(shutdownParser);
    Namespace res = rootParser.parseArgsOrFail(args);
    String target = res.getString("target");
    AgentClient client = new Builder().maxTries(3).target(target).build();
    ZoneOffset localOffset = OffsetDateTime.now().getOffset();
    switch(res.getString("command")) {
        case "uptime":
            {
                UptimeResponse uptime = client.uptime();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(uptime));
                } else {
                    System.out.printf("Agent is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(uptime.serverStartMs(), localOffset));
                    System.out.printf("\tCurrent server time: %s%n", dateString(uptime.nowMs(), localOffset));
                    System.out.printf("\tUptime: %s%n", durationString(uptime.nowMs() - uptime.serverStartMs()));
                }
                break;
            }
        case "status":
            {
                AgentStatusResponse status = client.status();
                if (res.getBoolean("json")) {
                    System.out.println(JsonUtil.toJsonString(status));
                } else {
                    System.out.printf("Agent is running at %s.%n", target);
                    System.out.printf("\tStart time: %s%n", dateString(status.serverStartMs(), localOffset));
                    List<List<String>> lines = new ArrayList<>();
                    List<String> header = new ArrayList<>(Arrays.asList("WORKER_ID", "TASK_ID", "STATE", "TASK_TYPE"));
                    lines.add(header);
                    for (Map.Entry<Long, WorkerState> entry : status.workers().entrySet()) {
                        List<String> cols = new ArrayList<>();
                        cols.add(Long.toString(entry.getKey()));
                        cols.add(entry.getValue().taskId());
                        cols.add(entry.getValue().getClass().getSimpleName());
                        cols.add(entry.getValue().spec().getClass().getCanonicalName());
                        lines.add(cols);
                    }
                    System.out.print(StringFormatter.prettyPrintGrid(lines));
                }
                break;
            }
        case "createWorker":
            {
                long workerId = res.getLong("workerId");
                String taskId = res.getString("taskId");
                TaskSpec taskSpec = JsonUtil.objectFromCommandLineArgument(res.getString("taskSpec"), TaskSpec.class);
                CreateWorkerRequest req = new CreateWorkerRequest(workerId, taskId, taskSpec);
                client.createWorker(req);
                System.out.printf("Sent CreateWorkerRequest for worker %d%n.", req.workerId());
                break;
            }
        case "stopWorker":
            {
                long workerId = res.getLong("workerId");
                client.stopWorker(new StopWorkerRequest(workerId));
                System.out.printf("Sent StopWorkerRequest for worker %d%n.", workerId);
                break;
            }
        case "destroyWorker":
            {
                long workerId = res.getLong("workerId");
                client.destroyWorker(new DestroyWorkerRequest(workerId));
                System.out.printf("Sent DestroyWorkerRequest for worker %d%n.", workerId);
                break;
            }
        case "shutdown":
            {
                client.invokeShutdown();
                System.out.println("Sent ShutdownRequest.");
                break;
            }
        default:
            {
                System.out.println("You must choose an action. Type --help for help.");
                Exit.exit(1);
            }
    }
}

Example 2 with DestroyWorkerRequest

use of org.apache.kafka.trogdor.rest.DestroyWorkerRequest in project kafka by apache.

the class AgentTest method testDestroyWorkers.

@Test
public void testDestroyWorkers() throws Exception {
    MockTime time = new MockTime(0, 0, 0);
    MockScheduler scheduler = new MockScheduler(time);
    Agent agent = createAgent(scheduler);
    AgentClient client = new AgentClient.Builder().maxTries(10).target("localhost", agent.port()).build();
    new ExpectedTasks().waitFor(client);
    final NoOpTaskSpec fooSpec = new NoOpTaskSpec(0, 5);
    client.createWorker(new CreateWorkerRequest(0, "foo", fooSpec));
    new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").workerState(new WorkerRunning("foo", fooSpec, 0, new TextNode("active"))).build()).waitFor(client);
    time.sleep(1);
    client.destroyWorker(new DestroyWorkerRequest(0));
    client.destroyWorker(new DestroyWorkerRequest(0));
    client.destroyWorker(new DestroyWorkerRequest(1));
    new ExpectedTasks().waitFor(client);
    time.sleep(1);
    final NoOpTaskSpec fooSpec2 = new NoOpTaskSpec(2, 1);
    client.createWorker(new CreateWorkerRequest(1, "foo", fooSpec2));
    new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").workerState(new WorkerRunning("foo", fooSpec2, 2, new TextNode("active"))).build()).waitFor(client);
    time.sleep(2);
    new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").workerState(new WorkerDone("foo", fooSpec2, 2, 4, new TextNode("done"), "")).build()).waitFor(client);
    time.sleep(1);
    client.destroyWorker(new DestroyWorkerRequest(1));
    new ExpectedTasks().waitFor(client);
    agent.beginShutdown();
    agent.waitForShutdown();
}