KAFKA-14509: [4/4] Handle includeAuthorizedOperations

core/src/main/scala/kafka/server/KafkaApis.scala

@@ -3824,6 +3824,7 @@ class KafkaApis(val requestChannel: RequestChannel,
 
   def handleConsumerGroupDescribe(request: RequestChannel.Request): CompletableFuture[Unit] = {
     val consumerGroupDescribeRequest = request.body[ConsumerGroupDescribeRequest]
+    val includeAuthorizedOperations = consumerGroupDescribeRequest.data.includeAuthorizedOperations
 
     if (!config.isNewGroupCoordinatorEnabled) {
       // The API is not supported by the "old" group coordinator (the default). If the
@@ -3852,6 +3853,17 @@ class KafkaApis(val requestChannel: RequestChannel,
         if (exception != null) {
           requestHelper.sendMaybeThrottle(request, consumerGroupDescribeRequest.getErrorResponse(exception))
         } else {
+          if (includeAuthorizedOperations) {
+            results.forEach { groupResult =>
+              if (groupResult.errorCode == Errors.NONE.code) {
+                groupResult.setAuthorizedOperations(authHelper.authorizedOperations(
+                  request,
+                  new Resource(ResourceType.GROUP, groupResult.groupId)
+                ))
+              }
+            }
+          }
+
           if (response.groups.isEmpty) {
             // If the response is empty, we can directly reuse the results.
             response.setGroups(results)

core/src/test/scala/unit/kafka/server/KafkaApisTest.scala

@@ -7086,6 +7086,7 @@ class KafkaApisTest extends Logging {
   def testConsumerGroupDescribe(): Unit = {
     val groupIds = List("group-id-0", "group-id-1", "group-id-2").asJava
     val consumerGroupDescribeRequestData = new ConsumerGroupDescribeRequestData()
+      .setIncludeAuthorizedOperations(true)
     consumerGroupDescribeRequestData.groupIds.addAll(groupIds)
     val requestChannelRequest = buildRequest(new ConsumerGroupDescribeRequest.Builder(consumerGroupDescribeRequestData, true).build())
 
@@ -7099,15 +7100,20 @@ class KafkaApisTest extends Logging {
     )
     kafkaApis.handle(requestChannelRequest, RequestLocal.NoCaching)
 
-    val describedGroups = List(
+    future.complete(List(
       new DescribedGroup().setGroupId(groupIds.get(0)),
       new DescribedGroup().setGroupId(groupIds.get(1)),
       new DescribedGroup().setGroupId(groupIds.get(2))
-    ).asJava
+    ).asJava)
 
-    future.complete(describedGroups)
+    // Can't reuse the above list here because we would not test the implementation in KafkaApis then
+    val describedGroups = List(
+      new DescribedGroup().setGroupId(groupIds.get(0)),
+      new DescribedGroup().setGroupId(groupIds.get(1)),
+      new DescribedGroup().setGroupId(groupIds.get(2))
+    ).map(group => group.setAuthorizedOperations(328)) // Integer representation of authorized operations for this request
     val expectedConsumerGroupDescribeResponseData = new ConsumerGroupDescribeResponseData()
-      .setGroups(describedGroups)
+      .setGroups(describedGroups.asJava)
 
     val response = verifyNoThrottling[ConsumerGroupDescribeResponse](requestChannelRequest)