linyiqun commented on a change in pull request #1607: URL: https://github.com/apache/ozone/pull/1607#discussion_r530740002
########## File path: hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/key/OMKeyDeleteRequestV1.java ########## @@ -0,0 +1,195 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.om.request.key; + +import com.google.common.base.Optional; +import org.apache.hadoop.hdds.utils.db.cache.CacheKey; +import org.apache.hadoop.hdds.utils.db.cache.CacheValue; +import org.apache.hadoop.ozone.audit.AuditLogger; +import org.apache.hadoop.ozone.audit.OMAction; +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.OMMetrics; +import org.apache.hadoop.ozone.om.OzoneManager; +import org.apache.hadoop.ozone.om.exceptions.OMException; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs; +import org.apache.hadoop.ozone.om.helpers.OzoneFileStatus; +import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerDoubleBufferHelper; +import org.apache.hadoop.ozone.om.request.file.OMFileRequest; +import org.apache.hadoop.ozone.om.request.util.OmResponseUtil; +import org.apache.hadoop.ozone.om.response.OMClientResponse; +import org.apache.hadoop.ozone.om.response.key.OMKeyDeleteResponseV1; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.DeleteKeyRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.DeleteKeyResponse; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMRequest; +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse; +import org.apache.hadoop.ozone.security.acl.IAccessAuthorizer; +import org.apache.hadoop.ozone.security.acl.OzoneObj; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.Map; + +import static org.apache.hadoop.ozone.om.exceptions.OMException.ResultCodes.KEY_NOT_FOUND; +import static org.apache.hadoop.ozone.om.lock.OzoneManagerLock.Resource.BUCKET_LOCK; + +/** + * Handles DeleteKey request layout version V1. + */ +public class OMKeyDeleteRequestV1 extends OMKeyDeleteRequest { + + private static final Logger LOG = + LoggerFactory.getLogger(OMKeyDeleteRequestV1.class); + + public OMKeyDeleteRequestV1(OMRequest omRequest) { + super(omRequest); + } + + @Override + @SuppressWarnings("methodlength") + public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager, + long trxnLogIndex, OzoneManagerDoubleBufferHelper omDoubleBufferHelper) { + DeleteKeyRequest deleteKeyRequest = getOmRequest().getDeleteKeyRequest(); + + OzoneManagerProtocolProtos.KeyArgs keyArgs = + deleteKeyRequest.getKeyArgs(); + Map<String, String> auditMap = buildKeyArgsAuditMap(keyArgs); + + String volumeName = keyArgs.getVolumeName(); + String bucketName = keyArgs.getBucketName(); + String keyName = keyArgs.getKeyName(); + + OMMetrics omMetrics = ozoneManager.getMetrics(); + omMetrics.incNumKeyDeletes(); + + AuditLogger auditLogger = ozoneManager.getAuditLogger(); + OzoneManagerProtocolProtos.UserInfo userInfo = getOmRequest().getUserInfo(); + + OMResponse.Builder omResponse = OmResponseUtil.getOMResponseBuilder( + getOmRequest()); + OMMetadataManager omMetadataManager = ozoneManager.getMetadataManager(); + IOException exception = null; + boolean acquiredLock = false; + OMClientResponse omClientResponse = null; + Result result = null; + OmVolumeArgs omVolumeArgs = null; + OmBucketInfo omBucketInfo = null; + try { + keyArgs = resolveBucketLink(ozoneManager, keyArgs, auditMap); + volumeName = keyArgs.getVolumeName(); + bucketName = keyArgs.getBucketName(); + + // check Acl + checkKeyAcls(ozoneManager, volumeName, bucketName, keyName, + IAccessAuthorizer.ACLType.DELETE, OzoneObj.ResourceType.KEY); + + acquiredLock = omMetadataManager.getLock().acquireWriteLock(BUCKET_LOCK, + volumeName, bucketName); + + // Validate bucket and volume exists or not. + validateBucketAndVolume(omMetadataManager, volumeName, bucketName); + + OzoneFileStatus keyStatus = + OMFileRequest.getOMKeyInfoIfExists(omMetadataManager, volumeName, + bucketName, keyName, 0); + + if (keyStatus == null) { + throw new OMException("Key not found", KEY_NOT_FOUND); + } + + OmKeyInfo omKeyInfo = keyStatus.getKeyInfo(); + + // Set the UpdateID to current transactionLogIndex + omKeyInfo.setUpdateID(trxnLogIndex, ozoneManager.isRatisEnabled()); + + String ozonePathKey = omMetadataManager.getOzonePathKey( + omKeyInfo.getParentObjectID(), omKeyInfo.getFileName()); + + if (keyStatus.isDirectory()) { + // Update dir cache. + omMetadataManager.getDirectoryTable().addCacheEntry( + new CacheKey<>(ozonePathKey), + new CacheValue<>(Optional.absent(), trxnLogIndex)); + } else { + // Update table cache. + omMetadataManager.getKeyTable().addCacheEntry( + new CacheKey<>(ozonePathKey), + new CacheValue<>(Optional.absent(), trxnLogIndex)); + } + + omVolumeArgs = getVolumeInfo(omMetadataManager, volumeName); + omBucketInfo = getBucketInfo(omMetadataManager, volumeName, bucketName); + + long quotaReleased = sumBlockLengths(omKeyInfo); Review comment: HDDS-4308 was resolved , volume used bytes is not used. Please have a look for this RP fix #1489 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
