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https://issues.apache.org/jira/browse/HADOOP-18258?focusedWorklogId=783821&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-783821
]
ASF GitHub Bot logged work on HADOOP-18258:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 22/Jun/22 11:38
Start Date: 22/Jun/22 11:38
Worklog Time Spent: 10m
Work Description: sravanigadey commented on code in PR #4383:
URL: https://github.com/apache/hadoop/pull/4383#discussion_r903630927
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/audit/AuditTool.java:
##########
@@ -0,0 +1,308 @@
+/*
+ * 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.fs.s3a.audit;
+
+import java.io.Closeable;
+import java.io.EOFException;
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.hadoop.classification.VisibleForTesting;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.conf.Configured;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.FilterFileSystem;
+import org.apache.hadoop.fs.LocatedFileStatus;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.hadoop.fs.s3a.S3AFileSystem;
+import org.apache.hadoop.util.ExitUtil;
+import org.apache.hadoop.util.Tool;
+import org.apache.hadoop.util.ToolRunner;
+
+import static
org.apache.hadoop.service.launcher.LauncherExitCodes.EXIT_COMMAND_ARGUMENT_ERROR;
+import static
org.apache.hadoop.service.launcher.LauncherExitCodes.EXIT_SERVICE_UNAVAILABLE;
+import static
org.apache.hadoop.service.launcher.LauncherExitCodes.EXIT_SUCCESS;
+
+/**
+ * AuditTool is a Command Line Interface.
+ * i.e, it's functionality is to parse the merged audit log file.
+ * and generate avro file.
+ */
+public class AuditTool extends Configured implements Tool, Closeable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AuditTool.class);
+
+ private final String entryPoint = "s3audit";
+
+ private PrintWriter out;
+
+ // Exit codes
+ private static final int SUCCESS = EXIT_SUCCESS;
+ private static final int INVALID_ARGUMENT = EXIT_COMMAND_ARGUMENT_ERROR;
+
+ /**
+ * Error String when the wrong FS is used for binding: {@value}.
+ **/
+ @VisibleForTesting
+ public static final String WRONG_FILESYSTEM = "Wrong filesystem for ";
+
+ private final String usage = entryPoint + " s3a://BUCKET\n";
+
+ public AuditTool() {
+ }
+
+ /**
+ * Tells us the usage of the AuditTool by commands.
+ *
+ * @return the string USAGE
+ */
+ public String getUsage() {
+ return usage;
+ }
+
+ /**
+ * This run method in AuditTool takes S3 bucket path.
+ * which contains audit log files from command line arguments.
+ * and merge the audit log files present in that path into single file in.
+ * local system.
+ *
+ * @param args command specific arguments.
+ * @return SUCCESS i.e, '0', which is an exit code.
+ * @throws Exception on any failure.
+ */
+ @Override
+ public int run(String[] args) throws Exception {
+ List<String> argv = new ArrayList<>(Arrays.asList(args));
+ if (argv.isEmpty()) {
+ errorln(getUsage());
+ throw invalidArgs("No bucket specified");
+ }
+ //Path of audit log files in s3 bucket
+ Path s3LogsPath = new Path(argv.get(0));
+
+ //Setting the file system
+ URI fsURI = toUri(String.valueOf(s3LogsPath));
+ S3AFileSystem s3AFileSystem =
+ bindFilesystem(FileSystem.newInstance(fsURI, getConf()));
+ RemoteIterator<LocatedFileStatus> listOfS3LogFiles =
+ s3AFileSystem.listFiles(s3LogsPath, true);
+
+ //Merging local audit files into a single file
+ File s3aLogsDirectory = new File(s3LogsPath.getName());
+ boolean s3aLogsDirectoryCreation = false;
+ if (!s3aLogsDirectory.exists()) {
+ s3aLogsDirectoryCreation = s3aLogsDirectory.mkdir();
+ }
+ if(s3aLogsDirectoryCreation) {
+ while (listOfS3LogFiles.hasNext()) {
+ Path s3LogFilePath = listOfS3LogFiles.next().getPath();
+ File s3LogLocalFilePath =
Review Comment:
modified file name to s3LogLocalFile
Issue Time Tracking
-------------------
Worklog Id: (was: 783821)
Time Spent: 6h 10m (was: 6h)
> Merging of S3A Audit Logs
> -------------------------
>
> Key: HADOOP-18258
> URL: https://issues.apache.org/jira/browse/HADOOP-18258
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Sravani Gadey
> Assignee: Sravani Gadey
> Priority: Major
> Labels: pull-request-available
> Time Spent: 6h 10m
> Remaining Estimate: 0h
>
> Merging audit log files containing huge number of audit logs collected from a
> job like Hive or Spark job containing various S3 requests like list, head,
> get and put requests.
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