Examples with Scheduler org.apache.kafka.common.utils.Scheduler used on opensource projects

Example 11 with Scheduler

use of org.apache.kafka.common.utils.Scheduler in project apache-kafka-on-k8s by banzaicloud.

the class CoordinatorTest method testTaskCancellation.

@Test
public void testTaskCancellation() throws Exception {
    MockTime time = new MockTime(0, 0, 0);
    Scheduler scheduler = new MockScheduler(time);
    try (MiniTrogdorCluster cluster = new MiniTrogdorCluster.Builder().addCoordinator("node01").addAgent("node01").addAgent("node02").scheduler(scheduler).build()) {
        CoordinatorClient coordinatorClient = cluster.coordinatorClient();
        AgentClient agentClient1 = cluster.agentClient("node01");
        AgentClient agentClient2 = cluster.agentClient("node02");
        new ExpectedTasks().waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        NoOpTaskSpec fooSpec = new NoOpTaskSpec(5, 2);
        coordinatorClient.createTask(new CreateTaskRequest("foo", fooSpec));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskPending(fooSpec)).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        time.sleep(11);
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskRunning(fooSpec, 11)).workerState(new WorkerRunning(fooSpec, 11, "")).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        time.sleep(1);
        coordinatorClient.stopTask(new StopTaskRequest("foo"));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskDone(fooSpec, 11, 12, "", true)).workerState(new WorkerDone(fooSpec, 11, 12, "", "")).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
    }
}

Example 12 with Scheduler

use of org.apache.kafka.common.utils.Scheduler in project kafka by apache.

the class CoordinatorTest method testCreateTask.

@Test
public void testCreateTask() throws Exception {
    MockTime time = new MockTime(0, 0, 0);
    Scheduler scheduler = new MockScheduler(time);
    try (MiniTrogdorCluster cluster = new MiniTrogdorCluster.Builder().addCoordinator("node01").addAgent("node02").scheduler(scheduler).build()) {
        new ExpectedTasks().waitFor(cluster.coordinatorClient());
        NoOpTaskSpec fooSpec = new NoOpTaskSpec(1, 2);
        cluster.coordinatorClient().createTask(new CreateTaskRequest("foo", fooSpec));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskPending(fooSpec)).build()).waitFor(cluster.coordinatorClient());
        // Re-creating a task with the same arguments is not an error.
        cluster.coordinatorClient().createTask(new CreateTaskRequest("foo", fooSpec));
        // Re-creating a task with different arguments gives a RequestConflictException.
        NoOpTaskSpec barSpec = new NoOpTaskSpec(1000, 2000);
        assertThrows(RequestConflictException.class, () -> cluster.coordinatorClient().createTask(new CreateTaskRequest("foo", barSpec)), "Recreating task with different task spec is not allowed");
        time.sleep(2);
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskRunning(fooSpec, 2, new TextNode("active"))).workerState(new WorkerRunning("foo", fooSpec, 2, new TextNode("active"))).build()).waitFor(cluster.coordinatorClient()).waitFor(cluster.agentClient("node02"));
        time.sleep(3);
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskDone(fooSpec, 2, 5, "", false, new TextNode("done"))).build()).waitFor(cluster.coordinatorClient());
    }
}

Example 13 with Scheduler

use of org.apache.kafka.common.utils.Scheduler in project kafka by apache.

the class CoordinatorTest method testAgentFailureAndTaskExpiry.

/**
 * If an agent fails in the middle of a task and comes back up when the task is considered expired,
 * we want the task to be marked as DONE and not re-sent should a second failure happen.
 */
@Test
public void testAgentFailureAndTaskExpiry() throws Exception {
    MockTime time = new MockTime(0, 0, 0);
    Scheduler scheduler = new MockScheduler(time);
    try (MiniTrogdorCluster cluster = new MiniTrogdorCluster.Builder().addCoordinator("node01").addAgent("node02").scheduler(scheduler).build()) {
        CoordinatorClient coordinatorClient = cluster.coordinatorClient();
        NoOpTaskSpec fooSpec = new NoOpTaskSpec(1, 500);
        coordinatorClient.createTask(new CreateTaskRequest("foo", fooSpec));
        TaskState expectedState = new ExpectedTaskBuilder("foo").taskState(new TaskPending(fooSpec)).build().taskState();
        TaskState resp = coordinatorClient.task(new TaskRequest("foo"));
        assertEquals(expectedState, resp);
        time.sleep(2);
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskRunning(fooSpec, 2, new TextNode("active"))).workerState(new WorkerRunning("foo", fooSpec, 2, new TextNode("active"))).build()).waitFor(coordinatorClient).waitFor(cluster.agentClient("node02"));
        cluster.restartAgent("node02");
        time.sleep(550);
        // coordinator heartbeat sees that the agent is back up, re-schedules the task but the agent expires it
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskDone(fooSpec, 2, 552, "worker expired", false, null)).workerState(new WorkerDone("foo", fooSpec, 552, 552, null, "worker expired")).build()).waitFor(coordinatorClient).waitFor(cluster.agentClient("node02"));
        cluster.restartAgent("node02");
        // coordinator heartbeat sees that the agent is back up but does not re-schedule the task as it is DONE
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskDone(fooSpec, 2, 552, "worker expired", false, null)).build()).waitFor(coordinatorClient).waitFor(cluster.agentClient("node02"));
    }
}

Example 14 with Scheduler

use of org.apache.kafka.common.utils.Scheduler in project kafka by apache.

the class CoordinatorTest method testTaskDistribution.

@Test
public void testTaskDistribution() throws Exception {
    MockTime time = new MockTime(0, 0, 0);
    Scheduler scheduler = new MockScheduler(time);
    try (MiniTrogdorCluster cluster = new MiniTrogdorCluster.Builder().addCoordinator("node01").addAgent("node01").addAgent("node02").scheduler(scheduler).build()) {
        CoordinatorClient coordinatorClient = cluster.coordinatorClient();
        AgentClient agentClient1 = cluster.agentClient("node01");
        AgentClient agentClient2 = cluster.agentClient("node02");
        new ExpectedTasks().waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        NoOpTaskSpec fooSpec = new NoOpTaskSpec(5, 7);
        coordinatorClient.createTask(new CreateTaskRequest("foo", fooSpec));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskPending(fooSpec)).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        time.sleep(11);
        ObjectNode status1 = new ObjectNode(JsonNodeFactory.instance);
        status1.set("node01", new TextNode("active"));
        status1.set("node02", new TextNode("active"));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskRunning(fooSpec, 11, status1)).workerState(new WorkerRunning("foo", fooSpec, 11, new TextNode("active"))).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
        time.sleep(7);
        ObjectNode status2 = new ObjectNode(JsonNodeFactory.instance);
        status2.set("node01", new TextNode("done"));
        status2.set("node02", new TextNode("done"));
        new ExpectedTasks().addTask(new ExpectedTaskBuilder("foo").taskState(new TaskDone(fooSpec, 11, 18, "", false, status2)).workerState(new WorkerDone("foo", fooSpec, 11, 18, new TextNode("done"), "")).build()).waitFor(coordinatorClient).waitFor(agentClient1).waitFor(agentClient2);
    }
}

Example 15 with Scheduler

use of org.apache.kafka.common.utils.Scheduler in project kafka by apache.

the class CoordinatorTest method testCoordinatorUptime.

@Test
public void testCoordinatorUptime() throws Exception {
    MockTime time = new MockTime(0, 200, 0);
    Scheduler scheduler = new MockScheduler(time);
    try (MiniTrogdorCluster cluster = new MiniTrogdorCluster.Builder().addCoordinator("node01").scheduler(scheduler).build()) {
        UptimeResponse uptime = cluster.coordinatorClient().uptime();
        assertEquals(cluster.coordinator().uptime(), uptime);
        time.setCurrentTimeMs(250);
        assertNotEquals(cluster.coordinator().uptime(), uptime);
    }
}