Examples with ReplicaLogDirInfo org.apache.kafka.clients.admin.DescribeReplicaLogDirsResult.ReplicaLogDirInfo used on opensource projects

Example 1 with ReplicaLogDirInfo

use of org.apache.kafka.clients.admin.DescribeReplicaLogDirsResult.ReplicaLogDirInfo in project apache-kafka-on-k8s by banzaicloud.

the class KafkaAdminClient method describeReplicaLogDirs.

@Override
public DescribeReplicaLogDirsResult describeReplicaLogDirs(Collection<TopicPartitionReplica> replicas, DescribeReplicaLogDirsOptions options) {
    final Map<TopicPartitionReplica, KafkaFutureImpl<DescribeReplicaLogDirsResult.ReplicaLogDirInfo>> futures = new HashMap<>(replicas.size());
    for (TopicPartitionReplica replica : replicas) {
        futures.put(replica, new KafkaFutureImpl<DescribeReplicaLogDirsResult.ReplicaLogDirInfo>());
    }
    Map<Integer, Set<TopicPartition>> partitionsByBroker = new HashMap<>();
    for (TopicPartitionReplica replica : replicas) {
        if (!partitionsByBroker.containsKey(replica.brokerId()))
            partitionsByBroker.put(replica.brokerId(), new HashSet<TopicPartition>());
        partitionsByBroker.get(replica.brokerId()).add(new TopicPartition(replica.topic(), replica.partition()));
    }
    final long now = time.milliseconds();
    for (Map.Entry<Integer, Set<TopicPartition>> entry : partitionsByBroker.entrySet()) {
        final int brokerId = entry.getKey();
        final Set<TopicPartition> topicPartitions = entry.getValue();
        final Map<TopicPartition, ReplicaLogDirInfo> replicaDirInfoByPartition = new HashMap<>();
        for (TopicPartition topicPartition : topicPartitions) replicaDirInfoByPartition.put(topicPartition, new ReplicaLogDirInfo());
        runnable.call(new Call("describeReplicaLogDirs", calcDeadlineMs(now, options.timeoutMs()), new ConstantNodeIdProvider(brokerId)) {

            @Override
            public AbstractRequest.Builder createRequest(int timeoutMs) {
                // Query selected partitions in all log directories
                return new DescribeLogDirsRequest.Builder(topicPartitions);
            }

            @Override
            public void handleResponse(AbstractResponse abstractResponse) {
                DescribeLogDirsResponse response = (DescribeLogDirsResponse) abstractResponse;
                for (Map.Entry<String, DescribeLogDirsResponse.LogDirInfo> responseEntry : response.logDirInfos().entrySet()) {
                    String logDir = responseEntry.getKey();
                    DescribeLogDirsResponse.LogDirInfo logDirInfo = responseEntry.getValue();
                    // No replica info will be provided if the log directory is offline
                    if (logDirInfo.error == Errors.KAFKA_STORAGE_ERROR)
                        continue;
                    if (logDirInfo.error != Errors.NONE)
                        handleFailure(new IllegalStateException("The error " + logDirInfo.error + " for log directory " + logDir + " in the response from broker " + brokerId + " is illegal"));
                    for (Map.Entry<TopicPartition, DescribeLogDirsResponse.ReplicaInfo> replicaInfoEntry : logDirInfo.replicaInfos.entrySet()) {
                        TopicPartition tp = replicaInfoEntry.getKey();
                        DescribeLogDirsResponse.ReplicaInfo replicaInfo = replicaInfoEntry.getValue();
                        ReplicaLogDirInfo replicaLogDirInfo = replicaDirInfoByPartition.get(tp);
                        if (replicaLogDirInfo == null) {
                            handleFailure(new IllegalStateException("The partition " + tp + " in the response from broker " + brokerId + " is not in the request"));
                        } else if (replicaInfo.isFuture) {
                            replicaDirInfoByPartition.put(tp, new ReplicaLogDirInfo(replicaLogDirInfo.getCurrentReplicaLogDir(), replicaLogDirInfo.getCurrentReplicaOffsetLag(), logDir, replicaInfo.offsetLag));
                        } else {
                            replicaDirInfoByPartition.put(tp, new ReplicaLogDirInfo(logDir, replicaInfo.offsetLag, replicaLogDirInfo.getFutureReplicaLogDir(), replicaLogDirInfo.getFutureReplicaOffsetLag()));
                        }
                    }
                }
                for (Map.Entry<TopicPartition, ReplicaLogDirInfo> entry : replicaDirInfoByPartition.entrySet()) {
                    TopicPartition tp = entry.getKey();
                    KafkaFutureImpl<ReplicaLogDirInfo> future = futures.get(new TopicPartitionReplica(tp.topic(), tp.partition(), brokerId));
                    future.complete(entry.getValue());
                }
            }

            @Override
            void handleFailure(Throwable throwable) {
                completeAllExceptionally(futures.values(), throwable);
            }
        }, now);
    }
    return new DescribeReplicaLogDirsResult(new HashMap<TopicPartitionReplica, KafkaFuture<ReplicaLogDirInfo>>(futures));
}