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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one or more |
| 3 | + * contributor license agreements. See the NOTICE file distributed with |
| 4 | + * this work for additional information regarding copyright ownership. |
| 5 | + * The ASF licenses this file to You under the Apache License, Version 2.0 |
| 6 | + * (the "License"); you may not use this file except in compliance with |
| 7 | + * the License. You may obtain a copy of the License at |
| 8 | + * |
| 9 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | + * |
| 11 | + * Unless required by applicable law or agreed to in writing, software |
| 12 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | + * See the License for the specific language governing permissions and |
| 15 | + * limitations under the License. |
| 16 | + */ |
| 17 | + |
| 18 | +package org.apache.hadoop.ozone.om.ratis; |
| 19 | + |
| 20 | +import org.apache.hadoop.ozone.om.OzoneManager; |
| 21 | +import org.apache.hadoop.ozone.om.helpers.OmCompletedRequestInfo; |
| 22 | +import org.apache.hadoop.ozone.om.helpers.OmCompletedRequestInfo.OperationArgs; |
| 23 | +import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos; |
| 24 | +import org.slf4j.Logger; |
| 25 | +import org.slf4j.LoggerFactory; |
| 26 | + |
| 27 | +/** |
| 28 | + * This class when given a request will determine if the request is one of |
| 29 | + * a subset of write requests which we want to save to the |
| 30 | + * OmCompletedRequestInfo ledger and if so it will return the |
| 31 | + * appropriate instance. |
| 32 | + * |
| 33 | + * NOTE: as per elsewhere - this class may not need to exist if we go |
| 34 | + * with the approach of the subset of response handlers which we want to |
| 35 | + * populate a OmCompletedRequestInfo ledger row can do so themselves |
| 36 | + * (e.g. in OMKeyCommitResponse::addToBatch) |
| 37 | + */ |
| 38 | +public final class OzoneManagerCompletedRequestInfoProvider { |
| 39 | + |
| 40 | + private static final Logger LOG = |
| 41 | + LoggerFactory.getLogger(OzoneManagerCompletedRequestInfoProvider.class); |
| 42 | + |
| 43 | + private final OzoneManager ozoneManager; |
| 44 | + |
| 45 | + public OzoneManagerCompletedRequestInfoProvider(OzoneManager ozoneManager) { |
| 46 | + this.ozoneManager = ozoneManager; |
| 47 | + } |
| 48 | + |
| 49 | + public OmCompletedRequestInfo get(long trxLogIndex, OzoneManagerProtocolProtos.OMRequest omRequest) { |
| 50 | + |
| 51 | + switch (omRequest.getCmdType()) { |
| 52 | + case CreateVolume: |
| 53 | + logRequest("CreateVolume", omRequest); |
| 54 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), null) |
| 55 | + .setVolumeName(omRequest.getCreateVolumeRequest().getVolumeInfo().getVolume()) |
| 56 | + .setOpArgs(new OperationArgs.CreateVolumeArgs()) |
| 57 | + .build(); |
| 58 | + |
| 59 | + case DeleteVolume: |
| 60 | + logRequest("DeleteVolume", omRequest); |
| 61 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), null) |
| 62 | + .setVolumeName(omRequest.getDeleteVolumeRequest().getVolumeName()) |
| 63 | + .setOpArgs(new OperationArgs.DeleteVolumeArgs()) |
| 64 | + .build(); |
| 65 | + |
| 66 | + case CreateBucket: |
| 67 | + logRequest("CreateBucket", omRequest); |
| 68 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), null) |
| 69 | + .setVolumeName(omRequest.getCreateBucketRequest().getBucketInfo().getVolumeName()) |
| 70 | + .setBucketName(omRequest.getCreateBucketRequest().getBucketInfo().getBucketName()) |
| 71 | + .setOpArgs(new OperationArgs.CreateBucketArgs()) |
| 72 | + .build(); |
| 73 | + |
| 74 | + case DeleteBucket: |
| 75 | + logRequest("DeleteBucket", omRequest); |
| 76 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), null) |
| 77 | + .setVolumeName(omRequest.getDeleteBucketRequest().getVolumeName()) |
| 78 | + .setBucketName(omRequest.getDeleteBucketRequest().getBucketName()) |
| 79 | + .setOpArgs(new OperationArgs.DeleteBucketArgs()) |
| 80 | + .build(); |
| 81 | + |
| 82 | + case CreateKey: |
| 83 | + logRequest("CreateKey", omRequest); |
| 84 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getCreateKeyRequest().getKeyArgs()) |
| 85 | + .setOpArgs(new OperationArgs.CreateKeyArgs()) |
| 86 | + .build(); |
| 87 | + |
| 88 | + case RenameKey: |
| 89 | + logRequest("RenameKey", omRequest); |
| 90 | + OzoneManagerProtocolProtos.RenameKeyRequest renameReq |
| 91 | + = (OzoneManagerProtocolProtos.RenameKeyRequest) omRequest.getRenameKeyRequest(); |
| 92 | + |
| 93 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getRenameKeyRequest().getKeyArgs()) |
| 94 | + .setOpArgs(new OperationArgs.RenameKeyArgs(renameReq.getToKeyName())) |
| 95 | + .build(); |
| 96 | + |
| 97 | + case DeleteKey: |
| 98 | + logRequest("DeleteKey", omRequest); |
| 99 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getDeleteKeyRequest().getKeyArgs()) |
| 100 | + .setOpArgs(new OperationArgs.DeleteKeyArgs()) |
| 101 | + .build(); |
| 102 | + |
| 103 | + case CommitKey: |
| 104 | + logRequest("CommitKey", omRequest); |
| 105 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getCommitKeyRequest().getKeyArgs()) |
| 106 | + .setOpArgs(new OperationArgs.CommitKeyArgs()) |
| 107 | + .build(); |
| 108 | + |
| 109 | + case CreateDirectory: |
| 110 | + logRequest("CreateDirectory", omRequest); |
| 111 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getCreateDirectoryRequest().getKeyArgs()) |
| 112 | + .setOpArgs(new OperationArgs.CreateDirectoryArgs()) |
| 113 | + .build(); |
| 114 | + |
| 115 | + case CreateFile: |
| 116 | + logRequest("CreateFile", omRequest); |
| 117 | + |
| 118 | + OzoneManagerProtocolProtos.CreateFileRequest createFileReq |
| 119 | + = (OzoneManagerProtocolProtos.CreateFileRequest) omRequest.getCreateFileRequest(); |
| 120 | + |
| 121 | + return requestInfoBuilder(trxLogIndex, omRequest.getCmdType(), omRequest.getCreateFileRequest().getKeyArgs()) |
| 122 | + .setOpArgs(new OperationArgs.CreateFileArgs(createFileReq.getIsRecursive(), |
| 123 | + createFileReq.getIsOverwrite())) |
| 124 | + .build(); |
| 125 | + |
| 126 | + default: |
| 127 | + LOG.debug("Unhandled cmdType={}", omRequest.getCmdType()); |
| 128 | + return null; |
| 129 | + } |
| 130 | + } |
| 131 | + |
| 132 | + private static void logRequest(String label, OzoneManagerProtocolProtos.OMRequest omRequest) { |
| 133 | + if (LOG.isDebugEnabled()) { |
| 134 | + LOG.debug("---> {} {}", label, omRequest); |
| 135 | + } |
| 136 | + } |
| 137 | + |
| 138 | + private OmCompletedRequestInfo.Builder requestInfoBuilder(long trxLogIndex, |
| 139 | + OzoneManagerProtocolProtos.Type cmdType, |
| 140 | + OzoneManagerProtocolProtos.KeyArgs keyArgs) { |
| 141 | + |
| 142 | + OmCompletedRequestInfo.Builder builder = OmCompletedRequestInfo.newBuilder() |
| 143 | + .setTrxLogIndex(trxLogIndex) |
| 144 | + .setCmdType(cmdType) |
| 145 | + .setCreationTime(System.currentTimeMillis()); |
| 146 | + |
| 147 | + if (keyArgs != null) { |
| 148 | + builder.setVolumeName(keyArgs.getVolumeName()); |
| 149 | + builder.setBucketName(keyArgs.getBucketName()); |
| 150 | + builder.setKeyName(keyArgs.getKeyName()); |
| 151 | + } |
| 152 | + |
| 153 | + return builder; |
| 154 | + } |
| 155 | +} |
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