/*
* 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.accumulo.server.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.net.URLEncoder;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.net.SocketFactory;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.cli.Help;
import org.apache.commons.io.filefilter.WildcardFileFilter;
import org.apache.commons.lang.math.LongRange;
import org.apache.log4j.Category;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LocationInfo;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.spi.ThrowableInformation;
import org.apache.log4j.varia.LevelRangeFilter;
import org.apache.log4j.xml.XMLLayout;
import com.beust.jcommander.IStringConverter;
import com.beust.jcommander.Parameter;
public class SendLogToChainsaw extends XMLLayout {
private static Pattern logPattern = Pattern.compile(
"^(\\d\\d)\\s(\\d\\d):(\\d\\d):(\\d\\d),(\\d\\d\\d)\\s\\[(.*)\\]\\s(TRACE|DEBUG|INFO|WARN|FATAL|ERROR)\\s*?:(.*)$", Pattern.UNIX_LINES);
private File[] logFiles = null;
private SocketFactory factory = SocketFactory.getDefault();
private WildcardFileFilter fileFilter = null;
private Socket socket = null;
private Pattern lineFilter = null;
private LongRange dateFilter = null;
private LevelRangeFilter levelFilter = null;
public SendLogToChainsaw(String directory, String fileNameFilter, String host, int port, Date start, Date end, String regex, String level) throws Exception {
// Set up the file name filter
if (null != fileNameFilter) {
fileFilter = new WildcardFileFilter(fileNameFilter);
} else {
fileFilter = new WildcardFileFilter("*");
}
// Get the list of files that match
File dir = new File(directory);
if (dir.isDirectory()) {
logFiles = dir.listFiles((FilenameFilter) fileFilter);
} else {
throw new IllegalArgumentException(directory + " is not a directory or is not readable.");
}
if (logFiles.length == 0) {
throw new IllegalArgumentException("No files match the supplied filter.");
}
socket = factory.createSocket(host, port);
lineFilter = Pattern.compile(regex);
// Create Date Filter
if (null != start) {
if (end == null)
end = new Date(System.currentTimeMillis());
dateFilter = new LongRange(start.getTime(), end.getTime());
}
if (null != level) {
Level base = Level.toLevel(level.toUpperCase());
levelFilter = new LevelRangeFilter();
levelFilter.setAcceptOnMatch(true);
levelFilter.setLevelMin(base);
levelFilter.setLevelMax(Level.FATAL);
}
}
public void processLogFiles() throws IOException {
String line = null;
String out = null;
InputStreamReader isReader = null;
BufferedReader reader = null;
try {
for (File log : logFiles) {
// Parse the server type and name from the log file name
String threadName = log.getName().substring(0, log.getName().indexOf("."));
try {
isReader = new InputStreamReader(new FileInputStream(log), Constants.UTF8);
} catch (FileNotFoundException e) {
System.out.println("Unable to find file: " + log.getAbsolutePath());
throw e;
}
reader = new BufferedReader(isReader);
try {
line = reader.readLine();
while (null != line) {
out = convertLine(line, threadName);
if (null != out) {
if (socket != null && socket.isConnected())
socket.getOutputStream().write(out.getBytes(Constants.UTF8));
else
System.err.println("Unable to send data to transport");
}
line = reader.readLine();
}
} catch (IOException e) {
System.out.println("Error processing line: " + line + ". Output was " + out);
throw e;
} finally {
if (reader != null) {
reader.close();
}
if (isReader != null) {
isReader.close();
}
}
}
} finally {
if (socket != null && socket.isConnected()) {
socket.close();
}
}
}
private String convertLine(String line, String threadName) throws UnsupportedEncodingException {
String result = null;
Matcher m = logPattern.matcher(line);
if (m.matches()) {
Calendar cal = Calendar.getInstance();
cal.setTime(new Date(System.currentTimeMillis()));
Integer date = Integer.parseInt(m.group(1));
Integer hour = Integer.parseInt(m.group(2));
Integer min = Integer.parseInt(m.group(3));
Integer sec = Integer.parseInt(m.group(4));
Integer ms = Integer.parseInt(m.group(5));
String clazz = m.group(6);
String level = m.group(7);
String message = m.group(8);
// Apply the regex filter if supplied
if (null != lineFilter) {
Matcher match = lineFilter.matcher(message);
if (!match.matches())
return null;
}
// URL encode the message
message = URLEncoder.encode(message, Constants.UTF8.name());
// Assume that we are processing logs from today.
// If the date in the line is greater than today, then it must be
// from the previous month.
cal.set(Calendar.DATE, date);
cal.set(Calendar.HOUR_OF_DAY, hour);
cal.set(Calendar.MINUTE, min);
cal.set(Calendar.SECOND, sec);
cal.set(Calendar.MILLISECOND, ms);
if (date > cal.get(Calendar.DAY_OF_MONTH)) {
cal.add(Calendar.MONTH, -1);
}
long ts = cal.getTimeInMillis();
// If this event is not between the start and end dates, then skip it.
if (null != dateFilter && !dateFilter.containsLong(ts))
return null;
Category c = Logger.getLogger(clazz);
Level l = Level.toLevel(level);
LoggingEvent event = new LoggingEvent(clazz, c, ts, l, message, threadName, (ThrowableInformation) null, (String) null, (LocationInfo) null,
(Map<?,?>) null);
// Check the log level filter
if (null != levelFilter && (levelFilter.decide(event) == Filter.DENY)) {
return null;
}
result = format(event);
}
return result;
}
private static class DateConverter implements IStringConverter<Date> {
@Override
public Date convert(String value) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
try {
return formatter.parse(value);
} catch (ParseException e) {
throw new RuntimeException(e);
}
}
}
private static class Opts extends Help {
@Parameter(names = {"-d", "--logDirectory"}, description = "ACCUMULO log directory path", required = true)
String dir;
@Parameter(names = {"-f", "--fileFilter"}, description = "filter to apply to names of logs")
String filter;
@Parameter(names = {"-h", "--host"}, description = "host where chainsaw is running", required = true)
String hostname;
@Parameter(names = {"-p", "--port"}, description = "port where XMLSocketReceiver is listening", required = true)
int portnum;
@Parameter(names = {"-s", "--start"}, description = "start date filter (yyyyMMddHHmmss)", required = true, converter = DateConverter.class)
Date startDate;
@Parameter(names = {"-e", "--end"}, description = "end date filter (yyyyMMddHHmmss)", required = true, converter = DateConverter.class)
Date endDate;
@Parameter(names = {"-l", "--level"}, description = "filter log level")
String level;
@Parameter(names = {"-m", "--messageFilter"}, description = "regex filter for log messages")
String regex;
}
/**
*
* @param args
* <ol>
* <li>path to log directory</li>
* <li>filter to apply for logs to include (uses wildcards (i.e. logger* and IS case sensitive)</li>
* <li>chainsaw host</li>
* <li>chainsaw port</li>
* <li>start date filter</li>
* <li>end date filter</li>
* <li>optional regex filter to match on each log4j message</li>
* <li>optional level filter</li>
* </ol>
*/
public static void main(String[] args) throws Exception {
Opts opts = new Opts();
opts.parseArgs(SendLogToChainsaw.class.getName(), args);
SendLogToChainsaw c = new SendLogToChainsaw(opts.dir, opts.filter, opts.hostname, opts.portnum, opts.startDate, opts.endDate, opts.regex, opts.level);
c.processLogFiles();
}
}