tillrohrmann commented on a change in pull request #14847:
URL: https://github.com/apache/flink/pull/14847#discussion_r576311046
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/DefaultSchedulerTest.java
##########
@@ -605,6 +625,414 @@ public void abortPendingCheckpointsWhenRestartingTasks()
throws Exception {
assertThat(checkpointCoordinator.getNumberOfPendingCheckpoints(),
is(equalTo(0)));
}
+ @Test
+ public void testStopWithSavepointFailingAfterSavepointCreation() throws
Exception {
+ // initially, we don't allow any restarts since the first phase
(savepoint creation)
+ // succeeds without any failures
+ testRestartBackoffTimeStrategy.setCanRestart(false);
+
+ final JobGraph jobGraph =
createTwoVertexJobGraphWithCheckpointingEnabled();
+
+ final SimpleAckingTaskManagerGateway taskManagerGateway =
+ new SimpleAckingTaskManagerGateway();
+ final CountDownLatch checkpointTriggeredLatch =
+ getCheckpointTriggeredLatch(taskManagerGateway);
+
+ // collect executions to which the checkpoint completion was confirmed
+ final List<ExecutionAttemptID>
executionAttemptIdsWithCompletedCheckpoint =
+ new ArrayList<>();
+ taskManagerGateway.setNotifyCheckpointCompleteConsumer(
+ (executionAttemptId, jobId, actualCheckpointId, timestamp) ->
+
executionAttemptIdsWithCompletedCheckpoint.add(executionAttemptId));
+ taskManagerGateway.setNotifyCheckpointAbortedConsumer(
+ (ignored0, ignored1, ignored2, ignored3) -> {
+ throw new
UnsupportedOperationException("notifyCheckpointAborted was called");
+ });
+
+ final DefaultScheduler scheduler =
createSchedulerAndStartScheduling(jobGraph);
+
+ final ExecutionAttemptID succeedingExecutionAttemptId =
+
Iterables.get(scheduler.getExecutionGraph().getAllExecutionVertices(), 0)
+ .getCurrentExecutionAttempt()
+ .getAttemptId();
+ final ExecutionAttemptID failingExecutionAttemptId =
+
Iterables.getLast(scheduler.getExecutionGraph().getAllExecutionVertices())
+ .getCurrentExecutionAttempt()
+ .getAttemptId();
+
+ // we have to make sure that the tasks are running before
stop-with-savepoint is triggered
+ scheduler.updateTaskExecutionState(
+ new TaskExecutionState(
+ jobGraph.getJobID(), failingExecutionAttemptId,
ExecutionState.RUNNING));
+ scheduler.updateTaskExecutionState(
+ new TaskExecutionState(
+ jobGraph.getJobID(), succeedingExecutionAttemptId,
ExecutionState.RUNNING));
+
+ final String savepointFolder =
TEMPORARY_FOLDER.newFolder().getAbsolutePath();
+
+ // trigger savepoint and wait for checkpoint to be retrieved by
TaskManagerGateway
+ final CompletableFuture<String> stopWithSavepointFuture =
+ scheduler.stopWithSavepoint(savepointFolder, false);
+ checkpointTriggeredLatch.await();
+
+ acknowledgePendingCheckpoint(scheduler, 1);
+
+ assertThat(
+ "Both the executions where notified about the completed
checkpoint.",
+ executionAttemptIdsWithCompletedCheckpoint,
+ containsInAnyOrder(failingExecutionAttemptId,
succeedingExecutionAttemptId));
+
+ // The savepoint creation succeeded a failure happens in the second
phase when finishing
+ // the tasks. That's why, the restarting policy is enabled.
+ testRestartBackoffTimeStrategy.setCanRestart(true);
+
+ scheduler.updateTaskExecutionState(
+ new TaskExecutionState(
+ jobGraph.getJobID(), failingExecutionAttemptId,
ExecutionState.FAILED));
+ scheduler.updateTaskExecutionState(
+ new TaskExecutionState(
+ jobGraph.getJobID(),
+ succeedingExecutionAttemptId,
+ ExecutionState.FINISHED));
+
+ // the restarts due to local failure handling and global job fail-over
are triggered
+ assertThat(taskRestartExecutor.getNonPeriodicScheduledTask(),
hasSize(2));
Review comment:
Maybe there is a better way for asserting that the whole job has been
restarted. I agree with Robert's observation that the test includes a lot of
implementation specific knowledge.
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