sarvekshayr commented on code in PR #8079: URL: https://github.com/apache/ozone/pull/8079#discussion_r1995307858
########## hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/debug/replicas/MetadataCheck.java: ########## @@ -0,0 +1,145 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.hadoop.ozone.debug.replicas; + +import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor.ONE; + +import com.fasterxml.jackson.databind.node.ObjectNode; +import java.io.IOException; +import java.io.PrintWriter; +import java.util.List; +import java.util.Map; +import org.apache.hadoop.hdds.client.StandaloneReplicationConfig; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.DatanodeDetails; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.hdds.scm.XceiverClientManager; +import org.apache.hadoop.hdds.scm.XceiverClientSpi; +import org.apache.hadoop.hdds.scm.cli.ContainerOperationClient; +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; +import org.apache.hadoop.hdds.scm.storage.ContainerProtocolCalls; +import org.apache.hadoop.hdds.server.JsonUtils; +import org.apache.hadoop.ozone.client.OzoneClient; +import org.apache.hadoop.ozone.client.OzoneKeyDetails; +import org.apache.hadoop.ozone.om.helpers.OmKeyArgs; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; +import org.apache.hadoop.ozone.om.protocol.OzoneManagerProtocol; +import org.slf4j.Logger; + +/** + * Checks block existence using GetBlock calls to the Datanodes. + */ +public class MetadataCheck implements ReplicaVerifier { + + private OzoneClient client; + private Logger log; + private PrintWriter printWriter; + private OzoneConfiguration conf; + + public MetadataCheck(OzoneClient client, Logger log, PrintWriter printWriter, OzoneConfiguration conf) { + this.client = client; + this.log = log; + this.printWriter = printWriter; + this.conf = conf; + } + + @Override + public void verifyKey(OzoneKeyDetails keyDetails) { + ObjectNode result = JsonUtils.createObjectNode(null); + + try (ContainerOperationClient containerOperationClient = new ContainerOperationClient(conf); + XceiverClientManager xceiverClientManager = containerOperationClient.getXceiverClientManager()) { + + OzoneManagerProtocol ozoneManagerClient = client.getObjectStore().getClientProxy().getOzoneManagerClient(); + OmKeyArgs keyArgs = new OmKeyArgs.Builder() + .setVolumeName(keyDetails.getVolumeName()) + .setBucketName(keyDetails.getBucketName()) + .setKeyName(keyDetails.getName()) + .build(); + + OmKeyInfo keyInfo = ozoneManagerClient.lookupKey(keyArgs); + List<OmKeyLocationInfo> keyLocations = keyInfo.getLatestVersionLocations().getBlocksLatestVersionOnly(); + + if (keyLocations.isEmpty()) { + printJsonResult(keyDetails, "NO_BLOCKS", null, false, result); + return; + } + + for (OmKeyLocationInfo keyLocation : keyLocations) { + Pipeline keyPipeline = keyLocation.getPipeline(); + boolean isECKey = keyPipeline.getReplicationConfig().getReplicationType() == HddsProtos.ReplicationType.EC; + + Pipeline pipeline = isECKey ? keyPipeline : + Pipeline.newBuilder(keyPipeline).setReplicationConfig(StandaloneReplicationConfig.getInstance(ONE)).build(); + + XceiverClientSpi xceiverClient = xceiverClientManager.acquireClientForReadData(pipeline); + try { + Map<DatanodeDetails, ContainerProtos.GetBlockResponseProto> responses = + ContainerProtocolCalls.getBlockFromAllNodes(xceiverClient, + keyLocation.getBlockID().getDatanodeBlockIDProtobuf(), keyLocation.getToken()); + + for (Map.Entry<DatanodeDetails, ContainerProtos.GetBlockResponseProto> entry : responses.entrySet()) { + if (entry.getValue() != null && entry.getValue().hasBlockData()) { + printJsonResult(keyDetails, "BLOCK_EXISTS", keyLocation.getBlockID().toString(), true, result); + return; Review Comment: That shouldn't be the behaviour, I will fix it. -- This is an automated message from the Apache Git Service. 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