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<?php declare(strict_types=1);
/*
* 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;
/**
* Class FluentdFormatter
*
* Serializes a log message to Fluentd unix socket protocol
*
* Fluentd config:
*
* <source>
* type unix
* path /var/run/td-agent/td-agent.sock
* </source>
*
* Monolog setup:
*
* $logger = new Monolog\Logger('fluent.tag');
* $fluentHandler = new Monolog\Handler\SocketHandler('unix:///var/run/td-agent/td-agent.sock');
* $fluentHandler->setFormatter(new Monolog\Formatter\FluentdFormatter());
* $logger->pushHandler($fluentHandler);
*
* @author Andrius Putna <fordnox@gmail.com>
*/
class FluentdFormatter implements FormatterInterface
{
/**
* @var bool $levelTag should message level be a part of the fluentd tag
*/
protected $levelTag = false;
public function __construct(bool $levelTag = false)
{
if (!function_exists('json_encode')) {
throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s FluentdUnixFormatter');
}
$this->levelTag = $levelTag;
}
public function isUsingLevelsInTag(): bool
{
return $this->levelTag;
}
public function format(array $record): string
{
$tag = $record['channel'];
if ($this->levelTag) {
$tag .= '.' . strtolower($record['level_name']);
}
$message = [
'message' => $record['message'],
'extra' => $record['extra'],
];
if (!$this->levelTag) {
$message['level'] = $record['level'];
$message['level_name'] = $record['level_name'];
}
return json_encode([$tag, $record['datetime']->getTimestamp(), $message]);
}
public function formatBatch(array $records): string
{
$message = '';
foreach ($records as $record) {
$message .= $this->format($record);
}
return $message;
}
}
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