cmccabe commented on a change in pull request #8737:
URL: https://github.com/apache/kafka/pull/8737#discussion_r432814325
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File path: core/src/main/scala/kafka/admin/TopicCommand.scala
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@@ -290,42 +299,50 @@ object TopicCommand extends Logging {
override def describeTopic(opts: TopicCommandOptions): Unit = {
val topics = getTopics(opts.topic, opts.excludeInternalTopics)
- val allConfigs = adminClient.describeConfigs(topics.map(new
ConfigResource(Type.TOPIC, _)).asJavaCollection).values()
- val liveBrokers =
adminClient.describeCluster().nodes().get().asScala.map(_.id())
- val reassignments = listAllReassignments()
- val topicDescriptions =
adminClient.describeTopics(topics.asJavaCollection).all().get().values().asScala
- val describeOptions = new DescribeOptions(opts, liveBrokers.toSet)
-
- for (td <- topicDescriptions) {
- val topicName = td.name
- val config = allConfigs.get(new ConfigResource(Type.TOPIC,
topicName)).get()
- val sortedPartitions = td.partitions.asScala.sortBy(_.partition)
-
- if (describeOptions.describeConfigs) {
- val hasNonDefault = config.entries().asScala.exists(!_.isDefault)
- if (!opts.reportOverriddenConfigs || hasNonDefault) {
- val numPartitions = td.partitions().size
- val firstPartition = td.partitions.iterator.next()
- val reassignment = reassignments.get(new TopicPartition(td.name,
firstPartition.partition))
- val topicDesc = TopicDescription(topicName, numPartitions,
getReplicationFactor(firstPartition, reassignment), config, markedForDeletion =
false)
- topicDesc.printDescription()
+ ensureTopicExists(topics, opts.topic, !opts.ifExists)
+
+ if (topics.nonEmpty) {
Review comment:
It's not necessary to check this. AdminClient handles being passed
empty lists or sets of topics.
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