MonologUnconference

deSymfony 2013

Monolog

Daniel González@desarrolla2

Monolog

Monolog

Open SourcePHP5.3+Inspired LogBook

Monolog

2,5 Years old220 Forks65 Contributors

Monolog

+200 Asserts+ 70% Coverage

Monolog

170,000 installations / month820,000 total installations

Monolog

It has not dependencies

!!

Monolog

Created by a great developer !!

Monolog

Monolog

Jordi Boggiano

@seldaek

Composer

Monolog

What for?

Monolog$record = 'how are u??'; /*** Log record** @param string $record*/function log($record){ $filename = '/path/to/file.log'; file_put_contents($filename, (string) $record, FILE_APPEND);}

Monologuse Monolog\Logger;

use Monolog\Handler\StreamHandler;

// create a log channel

$logger = new Logger('name');

$logger->pushHandler(new StreamHandler('path/to/your.log', Logger::WARNING));

// add records to the log

$logger->addRecord(Logger::DEBUG, 'Ha');

$logger->addWarning('He');

$logger->addError('Hi', array('user'=>'desarrolla2'));

Monolog

Logger

Monolog$logger = new Logger('name');

Monolog

Handlers

Monolog$logger->pushHandler(new StreamHandler('path/to/your.log', Logger::WARNING));

Monologconst DEBUG = 100;

const INFO = 200;

const NOTICE = 250;

const WARNING = 300;

const ERROR = 400;

const CRITICAL = 500;

const ALERT = 550;

const EMERGENCY = 600;

Handler

Monolog

LoggerHandler

Handler

Logger

MonologLog to files and syslog

StreamHandler

RotatingFileHandler

SyslogHandler

Send alerts and emails

NativeMailHandler

SwiftMailerHandler

PushoverHandler

HipChatHandler

Log specific servers and networked logging

SocketHandler

AmqpHandler

GelfHandler

CubeHandler

RavenHandler

ZendMonitorHandler

MonologLogging in development

FirePHPHandler

ChromePHPHandler

Log to databases

RedisHandler

MongoDBHandler

CouchDBHandler

DoctrineCouchDBHandler

Special Handlers

FingersCrossedHandler

BufferHandler

GroupHandler

NullHandler

TestHandler

Handler

Monolog

Logger Handler

Handler

Handler

GroupHandler Processor

Processor

MailHandler

Monolog

Logger

Record

BufferHandler

Record

Record

Monolog

Logger

CrossFingerHandler

MailHandler

Record

Record

Record

Monolog

Records

Monolog$logger->addWarning('He');

$logger->addError('Hi', array('user'=>'desarrolla2'

));

$logger->addRecord(Logger::DEBUG, 'Ha');

Monolog$record = array( 'message' => (string) $message, 'context' => $context, 'level' => $level, 'level_name' => static::getLevelName($level), 'channel' => $this->name, 'datetime' => \DateTime::createFromFormat('U.u', sprintf('%.6F', microtime(true)), static::$timezone)->setTimezone(static::$timezone), 'extra' => array(), );

Monolog

Processors

Monolog$logger->pushProcessor(function ($record) { $record['extra']['architecture'] = exec('uname -i'); return $record;}); $handler = new StreamHandler('path/to/your.log', Logger::WARNING);$handler->pushProcessor(function ($record) { $record['extra']['load'] = sys_getloadavg(); return $record;});

MonologProcessors

IntrospectionProcessor

MemoryPeakUsageProcessor

MemoryUsageProcessor

ProcessIdProcessor

PsrLogMessageProcessor

UidProcessor

WebProcessor

Handler

Monolog

Logger

Handler

HandlerProcessor

Processor

Processor

Processor

Logger

Monolog

Formatters

Monologuse Monolog\Logger;use Monolog\Handler\StreamHandler;use Monolog\Formatter\LineFormatter; $stream = new StreamHandler('path/to/your.log', Logger::WARNING); $dateFormat = "Y n j, g:i a";$output = "%datetime% > %level_name% > %message% %context% %extra%\n";$formatter = new LineFormatter($output, $dateFormat); $stream->setFormatter($formatter);

MonologFormatters

ChromePHPFormatter

GelfMessageFormatter

JsonFormatter

LineFormatter

LogstashFormatter

NormalizerFormatter

WildfireFormatter

Handler

Monolog

Logger

Handler

Handler Processor

Processor

Processor

Processor

Formatter

Formatter

Monolog

Monolog

MYSQLperformance

debug

Monolog$channel = 'mysql';$logger = new Logger($channel);$handler = new ChromePHPHandler(Logger::DEBUG, true);$handler->pushProcessor(new MemoryUsageProcessor(true));$handler->pushProcessor(function($record) { $info = mysql_info(); $record['extra'] = array_merge( $record['extra'], array( 'mysql_info' => $info, ) ); return $record; });$logger->pushHandler($handler);

Monologfor ($i = 1; $i <= 100; $i++) { $sql = 'UPDATE table SET ...'; $logger->addRecord(Logger::DEBUG, $sql, array( 'id' => $i ));}

Handler

Monolog

Logger

Processor

Processor

Monolog

Monolog

Monitoring Errors

Monologclass Controller{ public function doSomething() { try { // Important stuff ... } catch (\Exception $e) { $this->container->get('logger.error')->error($e->getMessage(), array( 'user' => $this->getUser(), 'item' => $this->getItem(), )); } }}

Monolog$mongo = new MongoDBHandler(new \Mongo("mongodb://localhost:27017"), "logs", "errors", Logger::ERROR);$mongo->pushProcessor(function ($record) { $record['extra']['host'] = gethostname(); return $record; });$mongo->setFormatter(new JsonFormatter()); $mail = new NativeMailerHandler('admin@mycompany.com', 'Producction Error', 'noreply@mycompany.com', Logger::ERROR, true);$mail->setFormatter(new MyCustomHTMLFormatter()); $logger->pushHandler($mongo);$logger->pushHandler($mail);

Processor

Handler

Monolog

Logger

Formatter

Handler Formatter

Monolog

Dashboard

Monolog

And...Symfony?

Monolog

Q?