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JOIN task is made async (#3284)
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@apanicker-nflx
apanicker-nflx committed Oct 14, 2022
1 parent fd2816d commit ef57cd8
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Showing 15 changed files with 295 additions and 52 deletions.
2 changes: 1 addition & 1 deletion cassandra-persistence/src/main/java/com/netflix/conductor/cassandra/util/Statements.java
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@
* <li>UPDATE conductor.workflows SET payload=? WHERE workflow_id=? AND shard_id=1 AND
* entity='workflow' AND task_id='';
* <li>UPDATE conductor.workflows SET total_tasks=? WHERE workflow_id=? AND shard_id=?;
* <li>UPDATE conductor.workflows SET * total_partitions=?,total_tasks=? WHERE workflow_id=? AND
* <li>UPDATE conductor.workflows SET total_partitions=?,total_tasks=? WHERE workflow_id=? AND
* shard_id=1;
* <li>UPDATE conductor.task_lookup SET workflow_id=? WHERE task_id=?;
* <li>UPDATE conductor.task_def_limit SET workflow_id=? WHERE task_def_name=? AND task_id=?;
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32 changes: 15 additions & 17 deletions core/src/main/java/com/netflix/conductor/core/execution/WorkflowExecutor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,13 @@ public class WorkflowExecutor {

private static final Logger LOGGER = LoggerFactory.getLogger(WorkflowExecutor.class);
private static final int EXPEDITED_PRIORITY = 10;

private static final String CLASS_NAME = WorkflowExecutor.class.getSimpleName();
private static final Predicate<TaskModel> UNSUCCESSFUL_TERMINAL_TASK =
task -> !task.getStatus().isSuccessful() && task.getStatus().isTerminal();
private static final Predicate<TaskModel> UNSUCCESSFUL_JOIN_TASK =
UNSUCCESSFUL_TERMINAL_TASK.and(t -> TaskType.TASK_TYPE_JOIN.equals(t.getTaskType()));
private static final Predicate<TaskModel> NON_TERMINAL_TASK =
task -> !task.getStatus().isTerminal();
private final MetadataDAO metadataDAO;
private final QueueDAO queueDAO;
private final DeciderService deciderService;
Expand All @@ -78,20 +84,9 @@ public class WorkflowExecutor {
private final WorkflowStatusListener workflowStatusListener;
private final SystemTaskRegistry systemTaskRegistry;
private final ApplicationEventPublisher eventPublisher;

private long activeWorkerLastPollMs;
private static final String CLASS_NAME = WorkflowExecutor.class.getSimpleName();
private final ExecutionLockService executionLockService;

private static final Predicate<TaskModel> UNSUCCESSFUL_TERMINAL_TASK =
task -> !task.getStatus().isSuccessful() && task.getStatus().isTerminal();

private static final Predicate<TaskModel> UNSUCCESSFUL_JOIN_TASK =
UNSUCCESSFUL_TERMINAL_TASK.and(t -> TaskType.TASK_TYPE_JOIN.equals(t.getTaskType()));

private static final Predicate<TaskModel> NON_TERMINAL_TASK =
task -> !task.getStatus().isTerminal();

private final Predicate<PollData> validateLastPolledTime =
pollData ->
pollData.getLastPollTime()
Expand Down Expand Up @@ -352,6 +347,7 @@ private void retry(WorkflowModel workflow) {
if (task.getTaskType().equalsIgnoreCase(TaskType.JOIN.toString())
|| task.getTaskType().equalsIgnoreCase(TaskType.DO_WHILE.toString())) {
task.setStatus(IN_PROGRESS);
addTaskToQueue(task);
// Task doesn't have to be updated yet. Will be updated along with other
// Workflow tasks downstream.
} else {
Expand Down Expand Up @@ -870,10 +866,7 @@ public void updateTask(TaskResult taskResult) {
task.getTaskDefName(), lastDuration, false, task.getStatus());
}

// sync evaluate workflow only if the task is not within a forked branch
if (isLazyEvaluateWorkflow(workflowInstance.getWorkflowDefinition(), task)) {
expediteLazyWorkflowEvaluation(workflowId);
} else {
if (!isLazyEvaluateWorkflow(workflowInstance.getWorkflowDefinition(), task)) {
decide(workflowId);
}
}
Expand Down Expand Up @@ -1094,7 +1087,11 @@ private void adjustStateIfSubWorkflowChanged(WorkflowModel workflow) {
// and the JOIN task(s) needs to be evaluated again, set them to IN_PROGRESS
workflow.getTasks().stream()
.filter(UNSUCCESSFUL_JOIN_TASK)
.peek(t -> t.setStatus(TaskModel.Status.IN_PROGRESS))
.peek(
task -> {
task.setStatus(TaskModel.Status.IN_PROGRESS);
addTaskToQueue(task);
})
.forEach(executionDAOFacade::updateTask);
}
}
Expand Down Expand Up @@ -1305,6 +1302,7 @@ public void skipTaskFromWorkflow(
taskToBeSkipped.setWorkflowInstanceId(workflowId);
taskToBeSkipped.setWorkflowPriority(workflow.getPriority());
taskToBeSkipped.setStatus(SKIPPED);
taskToBeSkipped.setEndTime(System.currentTimeMillis());
taskToBeSkipped.setTaskType(workflowTask.getName());
taskToBeSkipped.setCorrelationId(workflow.getCorrelationId());
if (skipTaskRequest != null) {
Expand Down
4 changes: 4 additions & 0 deletions core/src/main/java/com/netflix/conductor/core/execution/tasks/Join.java
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Original file line number Diff line number Diff line change
Expand Up @@ -97,4 +97,8 @@ public boolean execute(
}
return false;
}

public boolean isAsync() {
return true;
}
}
5 changes: 1 addition & 4 deletions core/src/main/java/com/netflix/conductor/core/utils/ExternalPayloadStorageUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -190,10 +190,8 @@ public <T> void verifyAndUpload(T entity, PayloadType payloadType) {
break;
}
}
} catch (TransientException te) {
} catch (TransientException | TerminateWorkflowException te) {
throw te;
} catch (TerminateWorkflowException twe) {
throw twe;
} catch (Exception e) {
LOGGER.error(
"Unable to upload payload to external storage for workflow: {}", workflowId, e);
Expand Down Expand Up @@ -223,7 +221,6 @@ void failTask(TaskModel task, PayloadType payloadType, String errorMsg) {
} else {
task.setOutputData(new HashMap<>());
}
throw new TerminateWorkflowException(errorMsg, WorkflowModel.Status.FAILED, task);
}

@VisibleForTesting
Expand Down
6 changes: 4 additions & 2 deletions core/src/test/java/com/netflix/conductor/core/utils/ExternalPayloadStorageUtilsTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,8 @@

import com.fasterxml.jackson.databind.ObjectMapper;

import static com.netflix.conductor.model.TaskModel.Status.FAILED_WITH_TERMINAL_ERROR;

import static org.junit.Assert.*;
import static org.mockito.ArgumentMatchers.*;
import static org.mockito.Mockito.*;
Expand Down Expand Up @@ -199,23 +201,23 @@ public void testFailTaskWithInputPayload() {
TaskModel task = new TaskModel();
task.setInputData(new HashMap<>());

expectedException.expect(TerminateWorkflowException.class);
externalPayloadStorageUtils.failTask(
task, ExternalPayloadStorage.PayloadType.TASK_INPUT, "error");
assertNotNull(task);
assertTrue(task.getInputData().isEmpty());
assertEquals(FAILED_WITH_TERMINAL_ERROR, task.getStatus());
}

@Test
public void testFailTaskWithOutputPayload() {
TaskModel task = new TaskModel();
task.setOutputData(new HashMap<>());

expectedException.expect(TerminateWorkflowException.class);
externalPayloadStorageUtils.failTask(
task, ExternalPayloadStorage.PayloadType.TASK_OUTPUT, "error");
assertNotNull(task);
assertTrue(task.getOutputData().isEmpty());
assertEquals(FAILED_WITH_TERMINAL_ERROR, task.getStatus());
}

@Test
Expand Down
13 changes: 12 additions & 1 deletion test-harness/src/test/groovy/com/netflix/conductor/test/integration/DecisionTaskSpec.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,12 @@
*/
package com.netflix.conductor.test.integration

import org.springframework.beans.factory.annotation.Autowired

import com.netflix.conductor.common.metadata.tasks.Task
import com.netflix.conductor.common.run.Workflow
import com.netflix.conductor.core.execution.tasks.Join
import com.netflix.conductor.dao.QueueDAO
import com.netflix.conductor.test.base.AbstractSpecification

import spock.lang.Shared
Expand All @@ -23,6 +27,9 @@ import static com.netflix.conductor.test.util.WorkflowTestUtil.verifyPolledAndAc

class DecisionTaskSpec extends AbstractSpecification {

@Autowired
Join joinTask

@Shared
def DECISION_WF = "DecisionWorkflow"

Expand Down Expand Up @@ -139,6 +146,7 @@ class DecisionTaskSpec extends AbstractSpecification {
}

when: "the tasks 'integration_task_1' and 'integration_task_10' are polled and completed"
def joinTaskId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("joinTask").taskId
def polledAndCompletedTask1Try1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'task1.integration.worker')
def polledAndCompletedTask10Try1 = workflowTestUtil.pollAndCompleteTask('integration_task_10', 'task1.integration.worker')

Expand Down Expand Up @@ -189,7 +197,10 @@ class DecisionTaskSpec extends AbstractSpecification {
then: "verify that the task is completed and acknowledged"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask20Try1)

and: "verify that the 'integration_task_2' is COMPLETED and the workflow has progressed"
when: "JOIN task is polled and executed"
asyncSystemTaskExecutor.execute(joinTask, joinTaskId)

then: "verify that JOIN is COMPLETED and the workflow has progressed"
with(workflowExecutionService.getExecutionStatus(workflowInstanceId, true)) {
status == Workflow.WorkflowStatus.COMPLETED
tasks.size() == 7
Expand Down
46 changes: 39 additions & 7 deletions test-harness/src/test/groovy/com/netflix/conductor/test/integration/DoWhileSpec.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -18,26 +18,30 @@ import com.netflix.conductor.common.metadata.tasks.Task
import com.netflix.conductor.common.metadata.tasks.TaskDef
import com.netflix.conductor.common.run.Workflow
import com.netflix.conductor.common.utils.TaskUtils
import com.netflix.conductor.core.execution.tasks.Join
import com.netflix.conductor.core.execution.tasks.SubWorkflow
import com.netflix.conductor.test.base.AbstractSpecification

import static com.netflix.conductor.test.util.WorkflowTestUtil.verifyPolledAndAcknowledgedTask

class DoWhileSpec extends AbstractSpecification {

@Autowired
Join joinTask

@Autowired
SubWorkflow subWorkflowTask

def setup() {
workflowTestUtil.registerWorkflows("do_while_integration_test.json",
"do_while_multiple_integration_test.json",
"do_while_as_subtask_integration_test.json",
workflowTestUtil.registerWorkflows('do_while_integration_test.json',
'do_while_multiple_integration_test.json',
'do_while_as_subtask_integration_test.json',
'simple_one_task_sub_workflow_integration_test.json',
'do_while_iteration_fix_test.json',
"do_while_sub_workflow_integration_test.json",
"do_while_five_loop_over_integration_test.json",
"do_while_system_tasks.json",
"do_while_set_variable_fix.json")
'do_while_sub_workflow_integration_test.json',
'do_while_five_loop_over_integration_test.json',
'do_while_system_tasks.json',
'do_while_set_variable_fix.json')
}

def "Test workflow with 2 iterations of five tasks"() {
Expand Down Expand Up @@ -275,6 +279,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second task"
def joinId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__1").taskId
Tuple polledAndCompletedTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand All @@ -300,6 +305,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing third task"
Tuple polledAndCompletedTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, joinId)

then: "Verify that the task was polled and acknowledged and workflow is in completed state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
verifyTaskIteration(polledAndCompletedTask2[0] as Task, 1)
Expand Down Expand Up @@ -363,6 +371,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second task"
def joinId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__1").taskId
Tuple polledAndCompletedTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand All @@ -388,6 +397,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing third task"
Tuple polledAndCompletedTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, joinId)

then: "Verify that the task was polled and acknowledged and workflow is in completed state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
verifyTaskIteration(polledAndCompletedTask2[0] as Task, 1)
Expand Down Expand Up @@ -528,6 +540,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second task"
def join1Id = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__1").taskId
Tuple polledAndCompletedTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand All @@ -553,6 +566,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing third task"
Tuple polledAndCompletedTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, join1Id)

then: "Verify that the task was polled and acknowledged and workflow is in running state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
verifyTaskIteration(polledAndCompletedTask2[0] as Task, 1)
Expand Down Expand Up @@ -609,6 +625,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second iteration of second task"
def join2Id = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__2").taskId
Tuple polledAndCompletedSecondIterationTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand Down Expand Up @@ -644,6 +661,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing second iteration of third task"
Tuple polledAndCompletedSecondIterationTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, join2Id)

then: "Verify that the task was polled and acknowledged and workflow is in running state"
verifyPolledAndAcknowledgedTask(polledAndCompletedSecondIterationTask2)
verifyTaskIteration(polledAndCompletedSecondIterationTask2[0] as Task, 2)
Expand Down Expand Up @@ -796,6 +816,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second task"
def joinId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__1").taskId
Tuple polledAndCompletedTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand Down Expand Up @@ -823,6 +844,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing third task"
Tuple polledAndCompletedTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, joinId)

then: "Verify that the task was polled and acknowledged and workflow is in completed state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
verifyTaskIteration(polledAndCompletedTask2[0] as Task, 1)
Expand Down Expand Up @@ -920,6 +944,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing second task"
def joinId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join__1").taskId
Tuple polledAndCompletedTask1 = workflowTestUtil.pollAndCompleteTask('integration_task_1', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand Down Expand Up @@ -947,6 +972,9 @@ class DoWhileSpec extends AbstractSpecification {
when: "Polling and completing third task"
Tuple polledAndCompletedTask2 = workflowTestUtil.pollAndCompleteTask('integration_task_2', 'integration.test.worker')

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, joinId)

then: "Verify that the task was polled and acknowledged and workflow is in completed state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
verifyTaskIteration(polledAndCompletedTask2[0] as Task, 1)
Expand Down Expand Up @@ -998,6 +1026,7 @@ class DoWhileSpec extends AbstractSpecification {
}

when: "Polling and completing first task in DO While"
def joinId = workflowExecutionService.getExecutionStatus(workflowInstanceId, true).getTaskByRefName("join").taskId
Tuple polledAndCompletedTask0 = workflowTestUtil.pollAndCompleteTask('integration_task_0', 'integration.test.worker')

then: "Verify that the task was polled and acknowledged and workflow is in running state"
Expand Down Expand Up @@ -1049,6 +1078,9 @@ class DoWhileSpec extends AbstractSpecification {
and: "the workflow is evaluated"
sweep(workflowInstanceId)

and: "JOIN task is executed"
asyncSystemTaskExecutor.execute(joinTask, joinId)

then: "Verify that the task was polled and acknowledged and workflow is in completed state"
verifyPolledAndAcknowledgedTask(polledAndCompletedTask2)
with(workflowExecutionService.getExecutionStatus(workflowInstanceId, true)) {
Expand Down

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