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Example 21 with ExpectedTasks

use of org.apache.kafka.trogdor.common.ExpectedTasks 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();
}
Also used : MockScheduler(org.apache.kafka.common.utils.MockScheduler) WorkerDone(org.apache.kafka.trogdor.rest.WorkerDone) WorkerRunning(org.apache.kafka.trogdor.rest.WorkerRunning) TextNode(com.fasterxml.jackson.databind.node.TextNode) ExpectedTaskBuilder(org.apache.kafka.trogdor.common.ExpectedTasks.ExpectedTaskBuilder) NoOpTaskSpec(org.apache.kafka.trogdor.task.NoOpTaskSpec) DestroyWorkerRequest(org.apache.kafka.trogdor.rest.DestroyWorkerRequest) ExpectedTasks(org.apache.kafka.trogdor.common.ExpectedTasks) CreateWorkerRequest(org.apache.kafka.trogdor.rest.CreateWorkerRequest) MockTime(org.apache.kafka.common.utils.MockTime) Test(org.junit.jupiter.api.Test)

Example 22 with ExpectedTasks

use of org.apache.kafka.trogdor.common.ExpectedTasks 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"));
    }
}
Also used : MockScheduler(org.apache.kafka.common.utils.MockScheduler) WorkerDone(org.apache.kafka.trogdor.rest.WorkerDone) WorkerRunning(org.apache.kafka.trogdor.rest.WorkerRunning) MockScheduler(org.apache.kafka.common.utils.MockScheduler) Scheduler(org.apache.kafka.common.utils.Scheduler) ExpectedTaskBuilder(org.apache.kafka.trogdor.common.ExpectedTasks.ExpectedTaskBuilder) TaskDone(org.apache.kafka.trogdor.rest.TaskDone) TextNode(com.fasterxml.jackson.databind.node.TextNode) DestroyTaskRequest(org.apache.kafka.trogdor.rest.DestroyTaskRequest) StopTaskRequest(org.apache.kafka.trogdor.rest.StopTaskRequest) CreateTaskRequest(org.apache.kafka.trogdor.rest.CreateTaskRequest) TaskRequest(org.apache.kafka.trogdor.rest.TaskRequest) ExpectedTaskBuilder(org.apache.kafka.trogdor.common.ExpectedTasks.ExpectedTaskBuilder) NoOpTaskSpec(org.apache.kafka.trogdor.task.NoOpTaskSpec) TaskPending(org.apache.kafka.trogdor.rest.TaskPending) ExpectedTasks(org.apache.kafka.trogdor.common.ExpectedTasks) CreateTaskRequest(org.apache.kafka.trogdor.rest.CreateTaskRequest) MiniTrogdorCluster(org.apache.kafka.trogdor.common.MiniTrogdorCluster) TaskRunning(org.apache.kafka.trogdor.rest.TaskRunning) TaskState(org.apache.kafka.trogdor.rest.TaskState) MockTime(org.apache.kafka.common.utils.MockTime) Test(org.junit.jupiter.api.Test)

Example 23 with ExpectedTasks

use of org.apache.kafka.trogdor.common.ExpectedTasks 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);
    }
}
Also used : MockScheduler(org.apache.kafka.common.utils.MockScheduler) WorkerDone(org.apache.kafka.trogdor.rest.WorkerDone) ObjectNode(com.fasterxml.jackson.databind.node.ObjectNode) WorkerRunning(org.apache.kafka.trogdor.rest.WorkerRunning) MockScheduler(org.apache.kafka.common.utils.MockScheduler) Scheduler(org.apache.kafka.common.utils.Scheduler) TaskDone(org.apache.kafka.trogdor.rest.TaskDone) TextNode(com.fasterxml.jackson.databind.node.TextNode) ExpectedTaskBuilder(org.apache.kafka.trogdor.common.ExpectedTasks.ExpectedTaskBuilder) NoOpTaskSpec(org.apache.kafka.trogdor.task.NoOpTaskSpec) TaskPending(org.apache.kafka.trogdor.rest.TaskPending) ExpectedTasks(org.apache.kafka.trogdor.common.ExpectedTasks) CreateTaskRequest(org.apache.kafka.trogdor.rest.CreateTaskRequest) MiniTrogdorCluster(org.apache.kafka.trogdor.common.MiniTrogdorCluster) AgentClient(org.apache.kafka.trogdor.agent.AgentClient) TaskRunning(org.apache.kafka.trogdor.rest.TaskRunning) MockTime(org.apache.kafka.common.utils.MockTime) Test(org.junit.jupiter.api.Test)

Aggregations

ExpectedTasks (org.apache.kafka.trogdor.common.ExpectedTasks)23 ExpectedTaskBuilder (org.apache.kafka.trogdor.common.ExpectedTasks.ExpectedTaskBuilder)23 MockScheduler (org.apache.kafka.common.utils.MockScheduler)22 MockTime (org.apache.kafka.common.utils.MockTime)22 WorkerRunning (org.apache.kafka.trogdor.rest.WorkerRunning)19 NoOpTaskSpec (org.apache.kafka.trogdor.task.NoOpTaskSpec)16 Test (org.junit.jupiter.api.Test)15 WorkerDone (org.apache.kafka.trogdor.rest.WorkerDone)14 TextNode (com.fasterxml.jackson.databind.node.TextNode)13 MiniTrogdorCluster (org.apache.kafka.trogdor.common.MiniTrogdorCluster)13 CreateTaskRequest (org.apache.kafka.trogdor.rest.CreateTaskRequest)13 Scheduler (org.apache.kafka.common.utils.Scheduler)12 TaskPending (org.apache.kafka.trogdor.rest.TaskPending)11 TaskRunning (org.apache.kafka.trogdor.rest.TaskRunning)11 CreateWorkerRequest (org.apache.kafka.trogdor.rest.CreateWorkerRequest)10 TaskDone (org.apache.kafka.trogdor.rest.TaskDone)9 Test (org.junit.Test)8 AgentClient (org.apache.kafka.trogdor.agent.AgentClient)5 ObjectNode (com.fasterxml.jackson.databind.node.ObjectNode)4 DestroyTaskRequest (org.apache.kafka.trogdor.rest.DestroyTaskRequest)4