| /** |
| * 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 java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerDoubleBufferHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| import org.apache.hadoop.fs.FileEncryptionInfo; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.scm.container.common.helpers.ExcludeList; |
| 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.helpers.OmBucketInfo; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; |
| import org.apache.hadoop.ozone.om.response.OMClientResponse; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos |
| .CreateKeyRequest; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos |
| .KeyArgs; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos |
| .OMRequest; |
| import org.apache.hadoop.util.Time; |
| import org.apache.hadoop.hdds.utils.UniqueId; |
| |
| import static org.apache.hadoop.ozone.om.lock.OzoneManagerLock.Resource.BUCKET_LOCK; |
| /** |
| * Handles CreateKey request. |
| */ |
| |
| public class OMKeyCreateRequest extends OMKeyRequest { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(OMKeyCreateRequest.class); |
| |
| public OMKeyCreateRequest(OMRequest omRequest) { |
| super(omRequest); |
| } |
| |
| @Override |
| public OMRequest preExecute(OzoneManager ozoneManager) throws IOException { |
| CreateKeyRequest createKeyRequest = getOmRequest().getCreateKeyRequest(); |
| Preconditions.checkNotNull(createKeyRequest); |
| |
| KeyArgs keyArgs = createKeyRequest.getKeyArgs(); |
| |
| // We cannot allocate block for multipart upload part when |
| // createMultipartKey is called, as we will not know type and factor with |
| // which initiateMultipartUpload has started for this key. When |
| // allocateBlock call happen's we shall know type and factor, as we set |
| // the type and factor read from multipart table, and set the KeyInfo in |
| // validateAndUpdateCache and return to the client. TODO: See if we can fix |
| // this. We do not call allocateBlock in openKey for multipart upload. |
| |
| CreateKeyRequest.Builder newCreateKeyRequest = null; |
| KeyArgs.Builder newKeyArgs = null; |
| if (!keyArgs.getIsMultipartKey()) { |
| |
| long scmBlockSize = ozoneManager.getScmBlockSize(); |
| |
| // NOTE size of a key is not a hard limit on anything, it is a value that |
| // client should expect, in terms of current size of key. If client sets |
| // a value, then this value is used, otherwise, we allocate a single |
| // block which is the current size, if read by the client. |
| final long requestedSize = keyArgs.getDataSize() > 0 ? |
| keyArgs.getDataSize() : scmBlockSize; |
| |
| boolean useRatis = ozoneManager.shouldUseRatis(); |
| |
| HddsProtos.ReplicationFactor factor = keyArgs.getFactor(); |
| if (factor == null) { |
| factor = useRatis ? HddsProtos.ReplicationFactor.THREE : |
| HddsProtos.ReplicationFactor.ONE; |
| } |
| |
| HddsProtos.ReplicationType type = keyArgs.getType(); |
| if (type == null) { |
| type = useRatis ? HddsProtos.ReplicationType.RATIS : |
| HddsProtos.ReplicationType.STAND_ALONE; |
| } |
| |
| // TODO: Here we are allocating block with out any check for |
| // bucket/key/volume or not and also with out any authorization checks. |
| // As for a client for the first time this can be executed on any OM, |
| // till leader is identified. |
| |
| List< OmKeyLocationInfo > omKeyLocationInfoList = |
| allocateBlock(ozoneManager.getScmClient(), |
| ozoneManager.getBlockTokenSecretManager(), type, factor, |
| new ExcludeList(), requestedSize, scmBlockSize, |
| ozoneManager.getPreallocateBlocksMax(), |
| ozoneManager.isGrpcBlockTokenEnabled(), |
| ozoneManager.getOMNodeId()); |
| |
| newKeyArgs = keyArgs.toBuilder().setModificationTime(Time.now()) |
| .setType(type).setFactor(factor) |
| .setDataSize(requestedSize); |
| |
| newKeyArgs.addAllKeyLocations(omKeyLocationInfoList.stream() |
| .map(OmKeyLocationInfo::getProtobuf).collect(Collectors.toList())); |
| } else { |
| newKeyArgs = keyArgs.toBuilder().setModificationTime(Time.now()); |
| } |
| |
| newCreateKeyRequest = |
| createKeyRequest.toBuilder().setKeyArgs(newKeyArgs) |
| .setClientID(UniqueId.next()); |
| |
| return getOmRequest().toBuilder() |
| .setCreateKeyRequest(newCreateKeyRequest).setUserInfo(getUserInfo()) |
| .build(); |
| } |
| |
| @Override |
| public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager, |
| long transactionLogIndex, |
| OzoneManagerDoubleBufferHelper ozoneManagerDoubleBufferHelper) { |
| CreateKeyRequest createKeyRequest = getOmRequest().getCreateKeyRequest(); |
| |
| |
| KeyArgs keyArgs = createKeyRequest.getKeyArgs(); |
| |
| String volumeName = keyArgs.getVolumeName(); |
| String bucketName = keyArgs.getBucketName(); |
| String keyName = keyArgs.getKeyName(); |
| |
| OMMetrics omMetrics = ozoneManager.getMetrics(); |
| omMetrics.incNumKeyAllocates(); |
| |
| OMMetadataManager omMetadataManager = ozoneManager.getMetadataManager(); |
| OmKeyInfo omKeyInfo = null; |
| final List< OmKeyLocationInfo > locations = new ArrayList<>(); |
| Optional<FileEncryptionInfo> encryptionInfo = Optional.absent(); |
| IOException exception = null; |
| boolean acquireLock = false; |
| OMClientResponse omClientResponse = null; |
| try { |
| // check Acl |
| checkBucketAcls(ozoneManager, volumeName, bucketName, keyName); |
| |
| acquireLock = omMetadataManager.getLock().acquireWriteLock(BUCKET_LOCK, |
| volumeName, bucketName); |
| validateBucketAndVolume(omMetadataManager, volumeName, bucketName); |
| //TODO: We can optimize this get here, if getKmsProvider is null, then |
| // bucket encryptionInfo will be not set. If this assumption holds |
| // true, we can avoid get from bucket table. |
| |
| OmBucketInfo bucketInfo = omMetadataManager.getBucketTable().get( |
| omMetadataManager.getBucketKey(volumeName, bucketName)); |
| |
| encryptionInfo = getFileEncryptionInfo(ozoneManager, bucketInfo); |
| |
| omKeyInfo = prepareKeyInfo(omMetadataManager, keyArgs, |
| omMetadataManager.getOzoneKey(volumeName, bucketName, keyName), |
| keyArgs.getDataSize(), locations, encryptionInfo.orNull(), |
| ozoneManager.getPrefixManager(), bucketInfo); |
| omClientResponse = prepareCreateKeyResponse(keyArgs, omKeyInfo, |
| locations, encryptionInfo.orNull(), exception, |
| createKeyRequest.getClientID(), transactionLogIndex, volumeName, |
| bucketName, keyName, ozoneManager, OMAction.ALLOCATE_KEY, |
| ozoneManager.getPrefixManager(), bucketInfo); |
| } catch (IOException ex) { |
| exception = ex; |
| omClientResponse = prepareCreateKeyResponse(keyArgs, omKeyInfo, locations, |
| encryptionInfo.orNull(), exception, createKeyRequest.getClientID(), |
| transactionLogIndex, volumeName, bucketName, keyName, ozoneManager, |
| OMAction.ALLOCATE_KEY, ozoneManager.getPrefixManager(), null); |
| } finally { |
| if (omClientResponse != null) { |
| omClientResponse.setFlushFuture( |
| ozoneManagerDoubleBufferHelper.add(omClientResponse, |
| transactionLogIndex)); |
| } |
| if (acquireLock) { |
| omMetadataManager.getLock().releaseWriteLock(BUCKET_LOCK, volumeName, |
| bucketName); |
| } |
| } |
| |
| return omClientResponse; |
| } |
| |
| } |