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Code Issues Releases Wiki Activity

Add a Logstash 'V1' Formatter

Browse Source 
https://logstash.jira.com/browse/LOGSTASH-675
This commit is contained in:
Oliver Byford
2013-09-04 11:59:46 +01:00
parent 1518320bec
commit 9f113ced3d
3 changed files with 244 additions and 0 deletions
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1
README.mdown
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@@ -183,6 +183,7 @@ Formatters
- _ChromePHPFormatter_: Used to format log records into the ChromePHP format, only useful for the ChromePHPHandler.
- _GelfFormatter_: Used to format log records into Gelf message instances, only useful for the GelfHandler.
- _LogstashFormatter_: Used to format log records into [logstash](http://logstash.net/) event json, useful for any handler listed under inputs [here](http://logstash.net/docs/1.1.5/).
- _LogstashV1Formatter_: Used to format log records into [logstash](http://logstash.net/)'s '[version 1](https://logstash.jira.com/browse/LOGSTASH-675)' event json (for 1.2.0 and newer).
Processors
----------

91
src/Monolog/Formatter/LogstashV1Formatter.php Normal file
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@@ -0,0 +1,91 @@
<?php
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Formatter;
/**
* Serializes a log message to Logstash Event Format
*
* @see http://logstash.net/
* @see https://github.com/logstash/logstash/blob/master/lib/logstash/event.rb
*
* @author Tim Mower <timothy.mower@gmail.com>
*/
class LogstashV1Formatter extends NormalizerFormatter
{
/**
* @var string the name of the system for the Logstash log message, used to fill the @source field
*/
protected $systemName;
/**
* @var string an application name for the Logstash log message, used to fill the @type field
*/
protected $applicationName;
/**
* @var string a prefix for 'extra' fields from the Monolog record (optional)
*/
protected $extraPrefix;
/**
* @var string a prefix for 'context' fields from the Monolog record (optional)
*/
protected $contextPrefix;
/**
* @param string $applicationName the application that sends the data, used as the "type" field of logstash
* @param string $systemName the system/machine name, used as the "source" field of logstash, defaults to the hostname of the machine
* @param string $extraPrefix prefix for extra keys inside logstash "fields"
* @param string $contextPrefix prefix for context keys inside logstash "fields", defaults to ctxt_
*/
public function __construct($applicationName, $systemName = null, $extraPrefix = null, $contextPrefix = 'ctxt_')
{
//log stash requires a ISO 8601 format date
parent::__construct('c');
$this->systemName = $systemName ?: gethostname();
$this->applicationName = $applicationName;
$this->extraPrefix = $extraPrefix;
$this->contextPrefix = $contextPrefix;
}
/**
* {@inheritdoc}
*/
public function format(array $record)
{
$record = parent::format($record);
$message = array(
'@timestamp' => $record['datetime'],
'@version' => 1,
'message' => $record['message'],
'host' => $this->systemName,
'type' => $record['channel'],
'level' => $record['level_name']
);
if ($this->applicationName) {
$message['type'] = $this->applicationName;
}
foreach ($record['extra'] as $key => $val) {
$message[$this->extraPrefix . $key] = $val;
}
foreach ($record['context'] as $key => $val) {
$message[$this->contextPrefix . $key] = $val;
}
return $this->toJson($message) . "\n";
}
}

152
tests/Monolog/Formatter/LogstashV1FormatterTest.php Normal file
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@@ -0,0 +1,152 @@
<?php
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Formatter;
use Monolog\Logger;
use Monolog\Formatter\LogstashFormatter;
class LogstashV1FormatterTest extends \PHPUnit_Framework_TestCase
{
/**
* @covers Monolog\Formatter\LogstashFormatter::format
*/
public function testDefaultFormatter()
{
$formatter = new LogstashV1Formatter('test', 'hostname');
$record = array(
'level' => Logger::ERROR,
'level_name' => 'ERROR',
'channel' => 'meh',
'context' => array(),
'datetime' => new \DateTime("@0"),
'extra' => array(),
'message' => 'log',
);
$message = json_decode($formatter->format($record), true);
$this->assertEquals("1970-01-01T00:00:00+00:00", $message['@timestamp']);
$this->assertEquals("1", $message['@version']);
$this->assertEquals('log', $message['message']);
$this->assertEquals('meh', $message['channel']);
$this->assertEquals('ERROR', $message['level']);
$this->assertEquals('test', $message['type']);
$this->assertEquals('hostname', $message['source']);
$formatter = new LogstashV1Formatter('mysystem');
$message = json_decode($formatter->format($record), true);
$this->assertEquals('mysystem', $message['type']);
}
/**
* @covers Monolog\Formatter\LogstashFormatter::format
*/
public function testFormatWithFileAndLine()
{
$formatter = new LogstashV1Formatter('test');
$record = array(
'level' => Logger::ERROR,
'level_name' => 'ERROR',
'channel' => 'meh',
'context' => array('from' => 'logger'),
'datetime' => new \DateTime("@0"),
'extra' => array('file' => 'test', 'line' => 14),
'message' => 'log',
);
$message = json_decode($formatter->format($record), true);
$this->assertEquals('test', $message['file']);
$this->assertEquals(14, $message['line']);
}
/**
* @covers Monolog\Formatter\LogstashFormatter::format
*/
public function testFormatWithContext()
{
$formatter = new LogstashV1Formatter('test');
$record = array(
'level' => Logger::ERROR,
'level_name' => 'ERROR',
'channel' => 'meh',
'context' => array('from' => 'logger'),
'datetime' => new \DateTime("@0"),
'extra' => array('key' => 'pair'),
'message' => 'log'
);
$message = json_decode($formatter->format($record), true);
$this->assertArrayHasKey('ctxt_from', $message);
$this->assertEquals('logger', $message['ctxt_from']);
// Test with extraPrefix
$formatter = new LogstashV1Formatter('test', null, null, 'CTX');
$message = json_decode($formatter->format($record), true);
$this->assertArrayHasKey('CTXfrom', $message);
$this->assertEquals('logger', $message['CTXfrom']);
}
/**
* @covers Monolog\Formatter\LogstashFormatter::format
*/
public function testFormatWithExtra()
{
$formatter = new LogstashV1Formatter('test');
$record = array(
'level' => Logger::ERROR,
'level_name' => 'ERROR',
'channel' => 'meh',
'context' => array('from' => 'logger'),
'datetime' => new \DateTime("@0"),
'extra' => array('key' => 'pair'),
'message' => 'log'
);
$message = json_decode($formatter->format($record), true);
$this->assertArrayHasKey('key', $message);
$this->assertEquals('pair', $message['key']);
// Test with extraPrefix
$formatter = new LogstashV1Formatter('test', null, 'EXT');
$message = json_decode($formatter->format($record), true);
$this->assertArrayHasKey('EXTkey', $message);
$this->assertEquals('pair', $message['EXTkey']);
}
public function testFormatWithApplicationName()
{
$formatter = new LogstashV1Formatter('app', 'test');
$record = array(
'level' => Logger::ERROR,
'level_name' => 'ERROR',
'channel' => 'meh',
'context' => array('from' => 'logger'),
'datetime' => new \DateTime("@0"),
'extra' => array('key' => 'pair'),
'message' => 'log'
);
$message = json_decode($formatter->format($record), true);
$this->assertArrayHasKey('type', $message);
$this->assertEquals('app', $message['type']);
}
}