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https://github.com/hedii/laravel-gelf-logger

A package to send gelf logs to a gelf compatible backend like graylog
https://github.com/hedii/laravel-gelf-logger

gelf gelf-php graylog laravel log log-analysis php

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A package to send gelf logs to a gelf compatible backend like graylog

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# Laravel Gelf Logger

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| **Laravel** | **laravel-gelf-logger** |
|-------------|-------------------------|
| 5.6 | ^3.0 |
| 5.8 | ^3.1 |
| 6.0 | ^4.0 |
| 7.0 | ^5.0 |
| 8.0 | ^5.3 |
| 8.0 | ^6.0 (with php 8) |
| 9.0 | ^7.0 |
| 10.0 | ^8.0 |
| 11.0 | ^9.0 |

A package to send [gelf](http://docs.graylog.org/en/2.1/pages/gelf.html) logs to a gelf compatible backend like graylog. It is a Laravel wrapper for [bzikarsky/gelf-php](https://github.com/bzikarsky/gelf-php) package.

It uses the new [Laravel custom log channel](https://laravel.com/docs/master/logging) introduced in Laravel 5.6.

A gelf receiver like graylog2 must be configured to receive messages with a GELF UDP, TCP or HTTP Input.

## Table of contents

- [Table of contents](#table-of-contents)
- [Installation](#installation)
- [Usage](#usage)
- [Example](#example)
- [Testing](#testing)
- [License](#license)

## Installation

Install via [composer](https://getcomposer.org/doc/00-intro.md)

```sh
composer require hedii/laravel-gelf-logger
```

Edit `config/logging.php` to add the new `gelf` log channel.

```php
return [
'default' => env('LOG_CHANNEL', 'stack'),

'channels' => [
// You can use the gelf log channel with the stack log channel
'stack' => [
'driver' => 'stack',
'channels' => ['daily', 'gelf'],
],

// other log channels...

'gelf' => [
'driver' => 'custom',

'via' => \Hedii\LaravelGelfLogger\GelfLoggerFactory::class,

// This optional option determines the processors that should be
// pushed to the handler. This option is useful to modify a field
// in the log context (see NullStringProcessor), or to add extra
// data. Each processor must be a callable or an object with an
// __invoke method: see monolog documentation about processors.
// Default is an empty array.
'processors' => [
\Hedii\LaravelGelfLogger\Processors\NullStringProcessor::class,
\Hedii\LaravelGelfLogger\Processors\RenameIdFieldProcessor::class,
// another processor...
],

// This optional option determines the minimum "level" a message
// must be in order to be logged by the channel. Default is 'debug'
'level' => 'debug',

// This optional option determines the channel name sent with the
// message in the 'facility' field. Default is equal to app.env
// configuration value
'name' => 'my-custom-name',

// This optional option determines the system name sent with the
// message in the 'source' field. When forgotten or set to null,
// the current hostname is used.
'system_name' => null,

// This optional option determines if you want the UDP, TCP or HTTP
// transport for the gelf log messages. Default is UDP
'transport' => 'udp',

// This optional option determines the host that will receive the
// gelf log messages. Default is 127.0.0.1
'host' => '127.0.0.1',

// This optional option determines the port on which the gelf
// receiver host is listening. Default is 12201
'port' => 12201,

// This optional option determines the chunk size used when
// transferring message via UDP transport. Default is 1420.
'chunk_size' => 1420,

// This optional option determines the path used for the HTTP
// transport. When forgotten or set to null, default path '/gelf'
// is used.
'path' => null,

// This optional option enable or disable ssl on TCP or HTTP
// transports. Default is false.
'ssl' => false,

// If ssl is enabled, the following configuration is used.
'ssl_options' => [
// Enable or disable the peer certificate check. Default is
// true.
'verify_peer' => true,

// Path to a custom CA file (eg: "/path/to/ca.pem"). Default
// is null.
'ca_file' => null,

// List of ciphers the SSL layer may use, formatted as
// specified in ciphers(1). Default is null.
'ciphers' => null,

// Whether self-signed certificates are allowed. Default is
// false.
'allow_self_signed' => false,
],

// This optional option determines the maximum length per message
// field. When forgotten or set to null, the default value of
// \Monolog\Formatter\GelfMessageFormatter::DEFAULT_MAX_LENGTH is
// used (currently this value is 32766)
'max_length' => null,

// This optional option determines the prefix for 'context' fields
// from the Monolog record. Default is null (no context prefix)
'context_prefix' => null,

// This optional option determines the prefix for 'extra' fields
// from the Monolog record. Default is null (no extra prefix)
'extra_prefix' => null,

// This optional option determines whether errors thrown during
// logging should be ignored or not. Default is true.
'ignore_error' => true,

],
],
];
```

## Usage

Once you have modified the Laravel logging configuration, you can use the gelf log channel [as any Laravel log channel](https://laravel.com/docs/master/logging#writing-log-messages).

### Example

```php
// Explicitly use the gelf channel
Log::channel('gelf')->debug($message, ['foo' => 'bar']);
Log::channel('gelf')->emergency($message, ['foo' => 'bar']);

// In case of a stack log channel containing the gelf log channel and stack
// configured as the default log channel
Log::notice($message, ['foo' => 'bar']);

// Using the logger helper
logger($message, $context);
```

## Testing

```
composer test
```

## License

laravel-gelf-logger is released under the MIT Licence. See the bundled [LICENSE](https://github.com/hedii/laravel-gelf-logger/blob/master/LICENSE.md) file for details.