bbejeck commented on code in PR #19189: URL: https://github.com/apache/kafka/pull/19189#discussion_r1996114250
########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java: ########## @@ -15715,6 +15719,342 @@ public void testMemberJoinsEmptyStreamsGroup() { assertRecordsEquals(expectedRecords, result.records()); } + @Test + public void testStreamsGroupMemberJoiningWithMissingSourceTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + + String subtopology1 = "subtopology1"; + String fooTopicName = "foo"; + Uuid fooTopicId = Uuid.randomUuid(); + String subtopology2 = "subtopology2"; + String barTopicName = "bar"; + Topology topology = new Topology().setSubtopologies(List.of( + new Subtopology().setSubtopologyId(subtopology1).setSourceTopics(List.of(fooTopicName)), + new Subtopology().setSubtopologyId(subtopology2).setSourceTopics(List.of(barTopicName)) + )); + + MockTaskAssignor assignor = new MockTaskAssignor("sticky"); + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .withStreamsGroupTaskAssignors(List.of(assignor)) + .withMetadataImage(new MetadataImageBuilder() + .addTopic(fooTopicId, fooTopicName, 6) + .build()) + .build(); + + // Member joins the streams group. + CoordinatorResult<StreamsGroupHeartbeatResult, CoordinatorRecord> result = context.streamsGroupHeartbeat( + new StreamsGroupHeartbeatRequestData() + .setGroupId(groupId) + .setMemberId(memberId) + .setMemberEpoch(0) + .setRebalanceTimeoutMs(1500) + .setTopology(topology) + .setProcessId(DEFAULT_PROCESS_ID) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of())); + + assertEquals( + Map.of(), + result.response().creatableTopics() + ); + assertResponseEquals( + new StreamsGroupHeartbeatResponseData() + .setMemberId(memberId) + .setMemberEpoch(1) + .setHeartbeatIntervalMs(5000) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of()) + .setStatus(List.of(new StreamsGroupHeartbeatResponseData.Status() + .setStatusCode(Status.MISSING_SOURCE_TOPICS.code()) + .setStatusDetail("Source topics bar are missing."))), + result.response().data() + ); + + StreamsGroupMember expectedMember = streamsGroupMemberBuilderWithDefaults(memberId) + .setState(org.apache.kafka.coordinator.group.streams.MemberState.STABLE) + .setMemberEpoch(1) + .setPreviousMemberEpoch(0) + .setClientId(DEFAULT_CLIENT_ID) + .setClientHost(DEFAULT_CLIENT_ADDRESS.toString()) + .setRebalanceTimeoutMs(1500) + .build(); + + List<CoordinatorRecord> expectedRecords = List.of( + StreamsCoordinatorRecordHelpers.newStreamsGroupMemberRecord(groupId, expectedMember), + StreamsCoordinatorRecordHelpers.newStreamsGroupTopologyRecord(groupId, topology), + StreamsCoordinatorRecordHelpers.newStreamsGroupPartitionMetadataRecord(groupId, Map.of( + fooTopicName, new org.apache.kafka.coordinator.group.streams.TopicMetadata(fooTopicId, fooTopicName, 6) + )), + StreamsCoordinatorRecordHelpers.newStreamsGroupEpochRecord(groupId, 1), + StreamsCoordinatorRecordHelpers.newStreamsGroupTargetAssignmentRecord(groupId, memberId, TasksTuple.EMPTY), + StreamsCoordinatorRecordHelpers.newStreamsGroupTargetAssignmentEpochRecord(groupId, 1), + StreamsCoordinatorRecordHelpers.newStreamsGroupCurrentAssignmentRecord(groupId, expectedMember) + ); + + assertRecordsEquals(expectedRecords, result.records()); + } + + @Test + public void testStreamsGroupMemberJoiningWithMissingInternalTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + + String subtopology1 = "subtopology1"; + String fooTopicName = "foo"; + Uuid fooTopicId = Uuid.randomUuid(); + String barTopicName = "bar"; + Topology topology = new Topology().setSubtopologies(List.of( + new Subtopology() + .setSubtopologyId(subtopology1) + .setSourceTopics(List.of(fooTopicName)) + .setStateChangelogTopics(List.of(new TopicInfo().setName(barTopicName))) + ) + ); + + MockTaskAssignor assignor = new MockTaskAssignor("sticky"); + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .withStreamsGroupTaskAssignors(List.of(assignor)) + .withMetadataImage(new MetadataImageBuilder() + .addTopic(fooTopicId, fooTopicName, 6) + .build()) + .build(); + + // Member joins the streams group. + CoordinatorResult<StreamsGroupHeartbeatResult, CoordinatorRecord> result = context.streamsGroupHeartbeat( + new StreamsGroupHeartbeatRequestData() + .setGroupId(groupId) + .setMemberId(memberId) + .setMemberEpoch(0) + .setRebalanceTimeoutMs(1500) + .setTopology(topology) + .setProcessId(DEFAULT_PROCESS_ID) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of())); + + assertEquals( + Map.of(barTopicName, new CreatableTopic().setName(barTopicName).setNumPartitions(6).setReplicationFactor((short) -1)), Review Comment: nit: put builder calls on new line ########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java: ########## @@ -2250,25 +2250,27 @@ private StreamsTopology maybeUpdateTopology(final String groupId, final Topology topology, final StreamsGroup group, final List<CoordinatorRecord> records) { - StreamsTopology updatedTopology; if (topology != null) { - StreamsGroupTopologyValue recordValue = convertToStreamsGroupTopologyRecord(topology); - - updatedTopology = StreamsTopology.fromHeartbeatRequest(topology); - + StreamsTopology streamsTopologyFromRequest = StreamsTopology.fromHeartbeatRequest(topology); if (group.topology().isEmpty()) { log.info("[GroupId {}][MemberId {}] Member initialized the topology with epoch {}", groupId, memberId, topology.epoch()); - + StreamsGroupTopologyValue recordValue = convertToStreamsGroupTopologyRecord(topology); records.add(newStreamsGroupTopologyRecord(groupId, recordValue)); - } else if (!updatedTopology.equals(group.topology().get())) { + return streamsTopologyFromRequest; + } else if (group.topology().get().topologyEpoch() > topology.epoch()) { + log.info("[GroupId {}][MemberId {}] Member joined with stake topology epoch {}", groupId, memberId, topology.epoch()); + return group.topology().get(); + } else if (!group.topology().get().equals(streamsTopologyFromRequest)) { throw new InvalidRequestException("Topology updates are not supported yet."); + } else { + log.debug("[GroupId {}][MemberId {}] Member joined with currently initialized topology {}", groupId, memberId, topology.epoch()); + return group.topology().get(); Review Comment: should any of the calls to `group.topology().get()` check for `isPresent()`? ########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java: ########## @@ -15715,6 +15719,342 @@ public void testMemberJoinsEmptyStreamsGroup() { assertRecordsEquals(expectedRecords, result.records()); } + @Test + public void testStreamsGroupMemberJoiningWithMissingSourceTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + Review Comment: nit: remove extra line ########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java: ########## @@ -15715,6 +15719,342 @@ public void testMemberJoinsEmptyStreamsGroup() { assertRecordsEquals(expectedRecords, result.records()); } + @Test + public void testStreamsGroupMemberJoiningWithMissingSourceTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + + String subtopology1 = "subtopology1"; + String fooTopicName = "foo"; + Uuid fooTopicId = Uuid.randomUuid(); + String subtopology2 = "subtopology2"; + String barTopicName = "bar"; + Topology topology = new Topology().setSubtopologies(List.of( + new Subtopology().setSubtopologyId(subtopology1).setSourceTopics(List.of(fooTopicName)), + new Subtopology().setSubtopologyId(subtopology2).setSourceTopics(List.of(barTopicName)) + )); + + MockTaskAssignor assignor = new MockTaskAssignor("sticky"); + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .withStreamsGroupTaskAssignors(List.of(assignor)) + .withMetadataImage(new MetadataImageBuilder() + .addTopic(fooTopicId, fooTopicName, 6) + .build()) + .build(); + + // Member joins the streams group. + CoordinatorResult<StreamsGroupHeartbeatResult, CoordinatorRecord> result = context.streamsGroupHeartbeat( + new StreamsGroupHeartbeatRequestData() + .setGroupId(groupId) + .setMemberId(memberId) + .setMemberEpoch(0) + .setRebalanceTimeoutMs(1500) + .setTopology(topology) + .setProcessId(DEFAULT_PROCESS_ID) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of())); + + assertEquals( + Map.of(), + result.response().creatableTopics() + ); + assertResponseEquals( + new StreamsGroupHeartbeatResponseData() + .setMemberId(memberId) + .setMemberEpoch(1) + .setHeartbeatIntervalMs(5000) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of()) + .setStatus(List.of(new StreamsGroupHeartbeatResponseData.Status() + .setStatusCode(Status.MISSING_SOURCE_TOPICS.code()) + .setStatusDetail("Source topics bar are missing."))), + result.response().data() + ); + + StreamsGroupMember expectedMember = streamsGroupMemberBuilderWithDefaults(memberId) + .setState(org.apache.kafka.coordinator.group.streams.MemberState.STABLE) + .setMemberEpoch(1) + .setPreviousMemberEpoch(0) + .setClientId(DEFAULT_CLIENT_ID) + .setClientHost(DEFAULT_CLIENT_ADDRESS.toString()) + .setRebalanceTimeoutMs(1500) + .build(); + + List<CoordinatorRecord> expectedRecords = List.of( + StreamsCoordinatorRecordHelpers.newStreamsGroupMemberRecord(groupId, expectedMember), + StreamsCoordinatorRecordHelpers.newStreamsGroupTopologyRecord(groupId, topology), + StreamsCoordinatorRecordHelpers.newStreamsGroupPartitionMetadataRecord(groupId, Map.of( + fooTopicName, new org.apache.kafka.coordinator.group.streams.TopicMetadata(fooTopicId, fooTopicName, 6) Review Comment: nit: put `Map.of` on a new line ########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java: ########## @@ -2250,25 +2250,27 @@ private StreamsTopology maybeUpdateTopology(final String groupId, final Topology topology, final StreamsGroup group, final List<CoordinatorRecord> records) { - StreamsTopology updatedTopology; if (topology != null) { - StreamsGroupTopologyValue recordValue = convertToStreamsGroupTopologyRecord(topology); - - updatedTopology = StreamsTopology.fromHeartbeatRequest(topology); - + StreamsTopology streamsTopologyFromRequest = StreamsTopology.fromHeartbeatRequest(topology); if (group.topology().isEmpty()) { log.info("[GroupId {}][MemberId {}] Member initialized the topology with epoch {}", groupId, memberId, topology.epoch()); - + StreamsGroupTopologyValue recordValue = convertToStreamsGroupTopologyRecord(topology); records.add(newStreamsGroupTopologyRecord(groupId, recordValue)); - } else if (!updatedTopology.equals(group.topology().get())) { + return streamsTopologyFromRequest; + } else if (group.topology().get().topologyEpoch() > topology.epoch()) { + log.info("[GroupId {}][MemberId {}] Member joined with stake topology epoch {}", groupId, memberId, topology.epoch()); Review Comment: What's `stake topology`? did you mean `state` ########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/GroupMetadataManagerTest.java: ########## @@ -15715,6 +15719,342 @@ public void testMemberJoinsEmptyStreamsGroup() { assertRecordsEquals(expectedRecords, result.records()); } + @Test + public void testStreamsGroupMemberJoiningWithMissingSourceTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + + String subtopology1 = "subtopology1"; + String fooTopicName = "foo"; + Uuid fooTopicId = Uuid.randomUuid(); + String subtopology2 = "subtopology2"; + String barTopicName = "bar"; + Topology topology = new Topology().setSubtopologies(List.of( + new Subtopology().setSubtopologyId(subtopology1).setSourceTopics(List.of(fooTopicName)), + new Subtopology().setSubtopologyId(subtopology2).setSourceTopics(List.of(barTopicName)) + )); + + MockTaskAssignor assignor = new MockTaskAssignor("sticky"); + GroupMetadataManagerTestContext context = new GroupMetadataManagerTestContext.Builder() + .withStreamsGroupTaskAssignors(List.of(assignor)) + .withMetadataImage(new MetadataImageBuilder() + .addTopic(fooTopicId, fooTopicName, 6) + .build()) + .build(); + + // Member joins the streams group. + CoordinatorResult<StreamsGroupHeartbeatResult, CoordinatorRecord> result = context.streamsGroupHeartbeat( + new StreamsGroupHeartbeatRequestData() + .setGroupId(groupId) + .setMemberId(memberId) + .setMemberEpoch(0) + .setRebalanceTimeoutMs(1500) + .setTopology(topology) + .setProcessId(DEFAULT_PROCESS_ID) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of())); + + assertEquals( + Map.of(), + result.response().creatableTopics() + ); + assertResponseEquals( + new StreamsGroupHeartbeatResponseData() + .setMemberId(memberId) + .setMemberEpoch(1) + .setHeartbeatIntervalMs(5000) + .setActiveTasks(List.of()) + .setStandbyTasks(List.of()) + .setWarmupTasks(List.of()) + .setStatus(List.of(new StreamsGroupHeartbeatResponseData.Status() + .setStatusCode(Status.MISSING_SOURCE_TOPICS.code()) + .setStatusDetail("Source topics bar are missing."))), + result.response().data() + ); + + StreamsGroupMember expectedMember = streamsGroupMemberBuilderWithDefaults(memberId) + .setState(org.apache.kafka.coordinator.group.streams.MemberState.STABLE) + .setMemberEpoch(1) + .setPreviousMemberEpoch(0) + .setClientId(DEFAULT_CLIENT_ID) + .setClientHost(DEFAULT_CLIENT_ADDRESS.toString()) + .setRebalanceTimeoutMs(1500) + .build(); + + List<CoordinatorRecord> expectedRecords = List.of( + StreamsCoordinatorRecordHelpers.newStreamsGroupMemberRecord(groupId, expectedMember), + StreamsCoordinatorRecordHelpers.newStreamsGroupTopologyRecord(groupId, topology), + StreamsCoordinatorRecordHelpers.newStreamsGroupPartitionMetadataRecord(groupId, Map.of( + fooTopicName, new org.apache.kafka.coordinator.group.streams.TopicMetadata(fooTopicId, fooTopicName, 6) + )), + StreamsCoordinatorRecordHelpers.newStreamsGroupEpochRecord(groupId, 1), + StreamsCoordinatorRecordHelpers.newStreamsGroupTargetAssignmentRecord(groupId, memberId, TasksTuple.EMPTY), + StreamsCoordinatorRecordHelpers.newStreamsGroupTargetAssignmentEpochRecord(groupId, 1), + StreamsCoordinatorRecordHelpers.newStreamsGroupCurrentAssignmentRecord(groupId, expectedMember) + ); + + assertRecordsEquals(expectedRecords, result.records()); + } + + @Test + public void testStreamsGroupMemberJoiningWithMissingInternalTopic() { + String groupId = "fooup"; + String memberId = Uuid.randomUuid().toString(); + Review Comment: nit: remove extra line same for similar tests below ########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/streams/topics/InternalTopicManager.java: ########## @@ -180,17 +178,13 @@ private static void enforceCopartitioning(final StreamsTopology topology, x.repartitionSourceTopics().stream().filter(y -> y.partitions() == 0) ).map(StreamsGroupTopologyValue.TopicInfo::name).collect(Collectors.toSet()); - if (fixedRepartitionTopics.isEmpty() && flexibleRepartitionTopics.isEmpty()) { - log.info("Skipping the repartition topic validation since there are no repartition topics."); - } else { - // ensure the co-partitioning topics within the group have the same number of partitions, - // and enforce the number of partitions for those repartition topics to be the same if they - // are co-partitioned as well. - for (Collection<Set<String>> copartitionGroups : copartitionGroupsBySubtopology.values()) { - for (Set<String> copartitionGroup : copartitionGroups) { - decidedPartitionCountsForInternalTopics.putAll( - copartitionedTopicsEnforcer.enforce(copartitionGroup, fixedRepartitionTopics, flexibleRepartitionTopics)); - } + // ensure the co-partitioning topics within the group have the same number of partitions, + // and enforce the number of partitions for those repartition topics to be the same if they + // are co-partitioned as well. + for (Collection<Set<String>> copartitionGroups : copartitionGroupsBySubtopology.values()) { + for (Set<String> copartitionGroup : copartitionGroups) { + decidedPartitionCountsForInternalTopics.putAll( + copartitionedTopicsEnforcer.enforce(copartitionGroup, fixedRepartitionTopics, flexibleRepartitionTopics)); Review Comment: How would this affect a topology where the user wants to expand partitions with a `repartition` operator? Would it throw an error in that case? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org