AndrewJSchofield commented on code in PR #19820:
URL: https://github.com/apache/kafka/pull/19820#discussion_r2218503657
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tools/src/main/java/org/apache/kafka/tools/consumer/group/ShareGroupCommand.java:
##########
@@ -366,6 +378,75 @@ Entry<Throwable, Map<String, Throwable>>
sendDeleteShareGroupOffsetsRequest(Stri
return new SimpleImmutableEntry<>(topLevelException,
topicLevelResult);
}
+ void resetOffsets() {
+ String groupId = opts.options.valueOf(opts.groupOpt);
+ try {
+ ShareGroupDescription shareGroupDescription =
describeShareGroups(List.of(groupId)).get(groupId);
+ if
(!GroupState.EMPTY.equals(shareGroupDescription.groupState())) {
+ CommandLineUtils.printErrorAndExit(String.format("Share
group '%s' is not empty.", groupId));
+ }
+ 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();
+ }
+ OffsetsUtils.printOffsetsToReset(Map.of(groupId,
offsetsToReset));
+ } catch (InterruptedException ie) {
+ throw new RuntimeException(ie);
+ } catch (ExecutionException ee) {
+ Throwable cause = ee.getCause();
+ if (cause instanceof KafkaException) {
+ CommandLineUtils.printErrorAndExit(cause.getMessage());
+ } else {
+ throw new RuntimeException(cause);
+ }
+ }
+ }
+
+ 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);
+ Set<String> existsTopics = adminClient.listTopics().names().get();
+
+ if (opts.options.has(opts.topicOpt)) {
Review Comment:
Yes, this is a good point. You cannot delete the offset for individual
topic-partitions. You can reset for individual topic-partitions.
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