splett2 commented on code in PR #12489:
URL: https://github.com/apache/kafka/pull/12489#discussion_r940807029
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core/src/test/scala/unit/kafka/controller/ControllerIntegrationTest.scala:
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@@ -1002,47 +1002,59 @@ class ControllerIntegrationTest extends
QuorumTestHarness {
val controller = getController().kafkaController
val leaderIsrAndControllerEpochMap =
zkClient.getTopicPartitionStates(Seq(tp))
- val newLeaderAndIsr = leaderIsrAndControllerEpochMap(tp).leaderAndIsr
+ val oldLeaderAndIsr = leaderIsrAndControllerEpochMap(tp).leaderAndIsr
+ val newIsr = List(oldLeaderAndIsr.leader)
+ val newPartitionEpoch = oldLeaderAndIsr.partitionEpoch + 1
val topicId = controller.controllerContext.topicIds(tp.topic)
val brokerId = otherBroker.config.brokerId
val brokerEpoch =
controller.controllerContext.liveBrokerIdAndEpochs(otherBroker.config.brokerId)
- // When re-sending the current ISR, we should not get and error or any ISR
changes
- val alterPartitionRequest = new AlterPartitionRequestData()
- .setBrokerId(brokerId)
- .setBrokerEpoch(brokerEpoch)
- .setTopics(Seq(new AlterPartitionRequestData.TopicData()
- .setTopicId(topicId)
- .setPartitions(Seq(new AlterPartitionRequestData.PartitionData()
- .setPartitionIndex(tp.partition)
- .setLeaderEpoch(newLeaderAndIsr.leaderEpoch)
- .setPartitionEpoch(newLeaderAndIsr.partitionEpoch)
- .setNewIsr(newLeaderAndIsr.isr.map(Int.box).asJava)
- .setLeaderRecoveryState(newLeaderAndIsr.leaderRecoveryState.value)
+ def sendAndVerifyAlterPartitionResponse(requestPartitionEpoch: Int): Unit
= {
+ val alterPartitionRequest = new AlterPartitionRequestData()
+ .setBrokerId(brokerId)
+ .setBrokerEpoch(brokerEpoch)
+ .setTopics(Seq(new AlterPartitionRequestData.TopicData()
+ .setTopicId(topicId)
+ .setPartitions(Seq(new AlterPartitionRequestData.PartitionData()
+ .setPartitionIndex(tp.partition)
+ .setLeaderEpoch(oldLeaderAndIsr.leaderEpoch)
+ .setPartitionEpoch(requestPartitionEpoch)
+ .setNewIsr(newIsr.map(Int.box).asJava)
+ .setLeaderRecoveryState(oldLeaderAndIsr.leaderRecoveryState.value)
+ ).asJava)
).asJava)
- ).asJava)
- val future = new CompletableFuture[AlterPartitionResponseData]()
- controller.eventManager.put(AlterPartitionReceived(
- alterPartitionRequest,
- AlterPartitionRequestData.HIGHEST_SUPPORTED_VERSION,
- future.complete
- ))
+ val future = new CompletableFuture[AlterPartitionResponseData]()
+ controller.eventManager.put(AlterPartitionReceived(
+ alterPartitionRequest,
+ AlterPartitionRequestData.HIGHEST_SUPPORTED_VERSION,
+ future.complete
+ ))
- val expectedAlterPartitionResponse = new AlterPartitionResponseData()
- .setTopics(Seq(new AlterPartitionResponseData.TopicData()
- .setTopicId(topicId)
- .setPartitions(Seq(new AlterPartitionResponseData.PartitionData()
- .setPartitionIndex(tp.partition)
- .setLeaderId(brokerId)
- .setLeaderEpoch(newLeaderAndIsr.leaderEpoch)
- .setPartitionEpoch(newLeaderAndIsr.partitionEpoch)
- .setIsr(newLeaderAndIsr.isr.map(Int.box).asJava)
- .setLeaderRecoveryState(newLeaderAndIsr.leaderRecoveryState.value)
+ // When re-sending an ISR update, we should not get and error or any ISR
changes
+ val expectedAlterPartitionResponse = new AlterPartitionResponseData()
+ .setTopics(Seq(new AlterPartitionResponseData.TopicData()
+ .setTopicId(topicId)
+ .setPartitions(Seq(new AlterPartitionResponseData.PartitionData()
+ .setPartitionIndex(tp.partition)
+ .setLeaderId(brokerId)
+ .setLeaderEpoch(oldLeaderAndIsr.leaderEpoch)
+ .setPartitionEpoch(newPartitionEpoch)
+ .setIsr(newIsr.map(Int.box).asJava)
+ .setLeaderRecoveryState(oldLeaderAndIsr.leaderRecoveryState.value)
+ ).asJava)
).asJava)
- ).asJava)
+ assertEquals(expectedAlterPartitionResponse, future.get(10,
TimeUnit.SECONDS))
+ }
- assertEquals(expectedAlterPartitionResponse, future.get(10,
TimeUnit.SECONDS))
+ // send a request, expect the partition epoch to be incremented
+ sendAndVerifyAlterPartitionResponse(oldLeaderAndIsr.partitionEpoch)
+
+ // re-send the same request with various partition epochs
(less/equal/greater than the current
+ // epoch), expect it to succeed while the partition epoch remains the same
+ sendAndVerifyAlterPartitionResponse(oldLeaderAndIsr.partitionEpoch)
+ sendAndVerifyAlterPartitionResponse(newPartitionEpoch)
+ sendAndVerifyAlterPartitionResponse(newPartitionEpoch + 1)
Review Comment:
Seems fairly reasonable to me.
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