Graylog2 log target for Yii2
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GraylogTarget.php
LICENSE
README.md
composer.json

README.md

Graylog2 log target for Yii2

Credits

Benjamin Zikarsky https://github.com/bzikarsky/gelf-php

Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require "nex/yii2-graylog2" "*"

or add

"nex/yii2-graylog2" : "*"

to the require section of your application's composer.json file.

Usage

Add Graylog target to your log component config:

<?php
return [
    ...
    'components' => [
        'log' => [
            'traceLevel' => YII_DEBUG ? 3 : 0,
            'targets' => [
                'file' => [
                    'class' => 'yii\log\FileTarget',
                    'levels' => ['error', 'warning'],
                ],
                'graylog' => [
                    'class' => 'nex\graylog\GraylogTarget',
                    'levels' => ['error', 'warning', 'info'],
                    'categories' => ['application'],
                    'logVars' => [], // This prevent yii2-debug from crashing ;)
                    'host' => '127.0.0.1',
                    'facility' => 'facility-name',
                ],
            ],
        ],
    ],
    ...
];

GraylogTarget will use traces array (first element) from log message to set file and line gelf fields. So if you want to see these fields in Graylog2, you need to set traceLevel attribute of log component to 1 or more. Also all lines from traces will be sent as trace additional gelf field.

You can log not only strings, but also any other types (non-strings will be dumped by yii\helpers\VarDumper::dumpAsString()).

By default GraylogTarget will put the entire log message as short_message gelf field. But you can set short_message, full_message and additionals by using 'short', 'full' and 'add' keys respectively:

<?php
// short_message will contain string representation of ['test1' => 123, 'test2' => 456],
// no full_message will be sent
Yii::info([
    'test1' => 123,
    'test2' => 456,
]);

// short_message will contain 'Test short message',
// two additional fields will be sent,
// full_message will contain all other stuff without 'short' and 'add':
// string representation of ['test1' => 123, 'test2' => 456]
Yii::info([
    'test1' => 123,
    'test2' => 456,
    'short' => 'Test short message',
    'add' => [
        'additional1' => 'abc',
        'additional2' => 'def',
    ],
]);

// short_message will contain 'Test short message',
// two additional fields will be sent,
// full_message will contain 'Test full message', all other stuff will be lost
Yii::info([
    'test1' => 123,
    'test2' => 456,
    'short' => 'Test short message',
    'full' => 'Test full message',
    'add' => [
        'additional1' => 'abc',
        'additional2' => 'def',
    ],
]);