README

Provides normalized logging and tracing features for all ETSGlobal Symfony applications.

Overview

Main features:

• Automatic logger injection.
• Provide TokenCollection utility to enable downstream applications for request tracing from app to app.
• Automatically configure global and process token tracing for incoming HTTP requests/responses as well as long-running processes.
• Automatically enrich log context with the application name and tracing tokens.
• Processor to change the log level of exceptions, like Symfony's NotFoundHttpException
• Slack handler: An extended version of Monolog's slack handler, with custom message contents, and custom filters.
• Provides a Guzzle middleware to forward tokens through HTTP calls.
• Provides a Symfony HttpClient decorator to forward tokens through HTTP calls.

Installation

1. Install the bundle

composer require etsglobal/log-bundle

1. Load the bundle

// config/Bundles.php
return [
    ...
    ETSGlobal\LogBundle\ETSGlobalLogBundle::class => ['all' => true],
    ...
];

For Symfony < 4

// app/AppKernel.php
$bundles = [
    ...
    new ETSGlobal\LogBundle\ETSGlobalLogBundle(),
    ...
];

Configuration

Bundle configuration

# config/packages/ets_global_log.yaml
ets_global_log:
    app_name: my-app # Used to filter logs by application.
    slack_handler:
        token: "slack API token"
        channel: "#channel-name"
        jira_url: "example.jira.com"
        kibana_url: "kibana.example.com/app/kibana"
    custom_exceptions_levels:
        My\Custom\Exception: !php/const Monolog\Logger::INFO

Monolog configuration

If you want to use the slack handler provided by this bundle, add the following configuration:

# config/packages/<env>/monolog.yaml
monolog:
    handlers:
        ...
        slack_failure:
            type: 'whatfailuregroup'
            members: ['slack']
        slack:
            type: 'service'
            id:  'ets_global_log.monolog.handler.slack'
            level: "error"

If you have a file handler, you might want to use the token_collection formatter to add the tracing tokens:

# config/packages/<env>/monolog.yaml
monolog:
    handlers:
        ...
        file:
            type: "rotating_file"
            path: "%kernel.logs_dir%/%kernel.environment%.log"
            level: debug
            formatter: 'ets_global_log.monolog.formatter.token_collection'

Automatic logger injection

Automatic logger injection will try to inject the logger in all services tagged with the ets_global_log.logger_aware tag. The services hate to implement Psr\Log\LoggerAwareInterface to receive the logger by setter injection.

// src/MyService.php
namespace App;

use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;

class MyService implements LoggerAwareInterface
{
    use LoggerAwareTrait;
}

# config/services.yaml
App\MyService:
    tags:
    - { name: "ets_global_log.logger_aware" }

Symfony HttpClient decorator

Install symfony/http-client:

composer require symfony/http-client

Configure your scoped client:

framework:
    http_client:
        scoped_clients:
            my.client:
                base_uri: 'example.com/api/'

Just inject the my.client HttpClient in your services like normally. The HttpClientDecorator will decorate the HttpClient to automatically inject the token_global in the request.

Guzzle middleware

Install csa/guzzle-bundle:

composer require csa/guzzle-bundle

Configure HTTP clients with the "token_global" middleware:

# config/packages/cas_guzzle.yaml
csa_guzzle:
     profiler: '%kernel.debug%'
     logger: true
     clients:
         foo:
             config:
                 base_uri: "http://example.com/api"
             middleware: ['token_global']