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https://issues.apache.org/jira/browse/HADOOP-18258?focusedWorklogId=791328&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-791328
]
ASF GitHub Bot logged work on HADOOP-18258:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jul/22 09:04
Start Date: 15/Jul/22 09:04
Worklog Time Spent: 10m
Work Description: sravanigadey commented on code in PR #4383:
URL: https://github.com/apache/hadoop/pull/4383#discussion_r921968636
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/audit/S3AAuditLogMergerAndParser.java:
##########
@@ -0,0 +1,546 @@
+/*
+ * 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.File;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.avro.file.DataFileWriter;
+import org.apache.avro.io.DatumWriter;
+import org.apache.avro.specific.SpecificDatumWriter;
+import org.apache.commons.io.IOUtils;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileStatus;
+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;
+
+/**
+ * Merge all the audit logs present in a directory of
+ * multiple audit log files into a single audit log file.
+ */
+public class S3AAuditLogMergerAndParser {
+
+ private static final Logger LOG =
+ LoggerFactory.getLogger(S3AAuditLogMergerAndParser.class);
+
+ /**
+ * Simple entry: anything up to a space.
+ * {@value}.
+ */
+ private static final String SIMPLE = "[^ ]*";
+
+ /**
+ * Date/Time. Everything within square braces.
+ * {@value}.
+ */
+ private static final String DATETIME = "\\[(.*?)\\]";
+
+ /**
+ * A natural number or "-".
+ * {@value}.
+ */
+ private static final String NUMBER = "(-|[0-9]*)";
+
+ /**
+ * A Quoted field or "-".
+ * {@value}.
+ */
+ private static final String QUOTED = "(-|\"[^\"]*\")";
+
+ /**
+ * An entry in the regexp.
+ *
+ * @param name name of the group
+ * @param pattern pattern to use in the regexp
+ * @return the pattern for the regexp
+ */
+ private static String e(String name, String pattern) {
+ return String.format("(?<%s>%s) ", name, pattern);
+ }
+
+ /**
+ * An entry in the regexp.
+ *
+ * @param name name of the group
+ * @param pattern pattern to use in the regexp
+ * @return the pattern for the regexp
+ */
+ private static String eNoTrailing(String name, String pattern) {
+ return String.format("(?<%s>%s)", name, pattern);
+ }
+
+ /**
+ * Simple entry using the {@link #SIMPLE} pattern.
+ *
+ * @param name name of the element (for code clarity only)
+ * @return the pattern for the regexp
+ */
+ private static String e(String name) {
+ return e(name, SIMPLE);
+ }
+
+ /**
+ * Quoted entry using the {@link #QUOTED} pattern.
+ *
+ * @param name name of the element (for code clarity only)
+ * @return the pattern for the regexp
+ */
+ private static String q(String name) {
+ return e(name, QUOTED);
+ }
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String OWNER_GROUP = "owner";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String BUCKET_GROUP = "bucket";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String TIMESTAMP_GROUP = "timestamp";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String REMOTEIP_GROUP = "remoteip";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String REQUESTER_GROUP = "requester";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String REQUESTID_GROUP = "requestid";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String VERB_GROUP = "verb";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String KEY_GROUP = "key";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String REQUESTURI_GROUP = "requesturi";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String HTTP_GROUP = "http";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String AWSERRORCODE_GROUP = "awserrorcode";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String BYTESSENT_GROUP = "bytessent";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String OBJECTSIZE_GROUP = "objectsize";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String TOTALTIME_GROUP = "totaltime";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String TURNAROUNDTIME_GROUP = "turnaroundtime";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String REFERRER_GROUP = "referrer";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String USERAGENT_GROUP = "useragent";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String VERSION_GROUP = "version";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String HOSTID_GROUP = "hostid";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String SIGV_GROUP = "sigv";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String CYPHER_GROUP = "cypher";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String AUTH_GROUP = "auth";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String ENDPOINT_GROUP = "endpoint";
+
+ /**
+ * Log group {@value}.
+ */
+ public static final String TLS_GROUP = "tls";
+
+ /**
+ * This is where anything at the tail of a log.
+ * entry ends up; it is null unless/until the AWS
+ * logs are enhanced in future.
+ * Value {@value}.
+ */
+ public static final String TAIL_GROUP = "tail";
+
+ /**
+ * Construct the log entry pattern.
+ */
+ public static final String LOG_ENTRY_REGEXP = ""
Review Comment:
re-referenced those variables
Issue Time Tracking
-------------------
Worklog Id: (was: 791328)
Time Spent: 8h 50m (was: 8h 40m)
> 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: 8h 50m
> 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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