JimmyWang6 commented on code in PR #19820:
URL: https://github.com/apache/kafka/pull/19820#discussion_r2207999338
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tools/src/main/java/org/apache/kafka/tools/consumer/group/ShareGroupCommand.java:
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@@ -366,6 +378,67 @@ Entry<Throwable, Map<String, Throwable>>
sendDeleteShareGroupOffsetsRequest(Stri
return new SimpleImmutableEntry<>(topLevelException,
topicLevelResult);
}
+ void resetOffsets() throws ExecutionException, InterruptedException {
+ String groupId = opts.options.valueOf(opts.groupOpt);
+ Map<TopicPartition, OffsetAndMetadata> offsetsToReset =
prepareOffsetsToReset(groupId);
+ if (offsetsToReset == null) {
+ return;
+ }
+ boolean dryRun = opts.options.has(opts.dryRunOpt) ||
!opts.options.has(opts.executeOpt);
+ if (!dryRun) {
+ adminClient.alterShareGroupOffsets(groupId,
+ offsetsToReset.entrySet().stream()
+ .collect(Collectors.toMap(
+ Entry::getKey,
+ entry -> entry.getValue().offset()
+ ))
+ ).all().get();
+ }
+ Set<SharePartitionOffsetInformation> partitionOffsets =
mapOffsetsToSharePartitionInformation(groupId, offsetsToReset);
+ Map<String, ShareGroupDescription> shareGroups =
describeShareGroups(Collections.singleton(groupId));
+ TreeMap<String, Entry<ShareGroupDescription,
Collection<SharePartitionOffsetInformation>>> groupOffsets = new TreeMap<>();
+ shareGroups.forEach((id, description) -> groupOffsets.put(id, new
SimpleImmutableEntry<>(description, partitionOffsets)));
+ printOffsets(groupOffsets, opts.options.has(opts.verboseOpt));
+ }
+
+ protected Map<TopicPartition, OffsetAndMetadata>
prepareOffsetsToReset(String groupId) throws ExecutionException,
InterruptedException {
+ Map<String, ListShareGroupOffsetsSpec> groupSpecs =
Map.of(groupId, new ListShareGroupOffsetsSpec());
+ Map<TopicPartition, OffsetAndMetadata> offsetsByTopicPartitions =
adminClient.listShareGroupOffsets(groupSpecs).all().get().get(groupId);
+
+ if (opts.options.has(opts.topicOpt)) {
+ Set<String> topics =
Set.copyOf(opts.options.valuesOf(opts.topicOpt));
+ Set<String> existsTopics =
offsetsByTopicPartitions.keySet().stream()
+ .map(TopicPartition::topic)
+ .collect(Collectors.toSet());
+ if (!existsTopics.containsAll(topics)) {
+ CommandLineUtils
+ .printUsageAndExit(opts.parser, String.format("Share
group '%s' is not subscribed to topic '%s'",
Review Comment:
I agree with your viewpoint. I've already added validation for non-existent
topics.
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