Options to disable error listener and/or enable Monolog handler

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - Fix compatibility with sentry/sentry 2.2+ (#244)
  - Add support for `class_serializers` option (#245)
  - Add support for `max_request_body_size` option (#249)
+ - Add option to disable the error listener completely (#247, thanks to @HypeMC)
+ - Add options to register the Monolog Handler (#247, thanks to @HypeMC)
 
 ## 3.1.0 - 2019-07-02
  - Add support for Symfony 2.8 (#233, thanks to @nocive)

README.md

@@ -103,17 +103,20 @@ the [PHP specific](https://docs.sentry.io/platforms/php/#php-specific-options) o
 #### Optional: use monolog handler provided by `sentry/sentry`
 *Note: this step is optional*
 
-If You're using `monolog` for logging e.g. in-app errors, You
+If you're using `monolog` for logging e.g. in-app errors, you
 can use this handler in order for them to show up in Sentry. 
 
-First, define `Sentry\Monolog\Handler` as a service in `config/services.yaml`
+First, enable & configure the `Sentry\Monolog\Handler`; you'll also need
+to disable the `Sentry\SentryBundle\EventListener\ErrorListener` to
+avoid having duplicate events in Sentry:
 
 ```yaml
-services:
-    sentry.monolog.handler:
-        class: Sentry\Monolog\Handler
-        arguments:
-            $level: 'error'
+sentry:
+    register_error_listener: false # Disables the ErrorListener
+    monolog:
+        error_handler:
+            enabled: true
+            level: error
 ```
 
 Then enable it in `monolog` config:
@@ -123,8 +126,7 @@ monolog:
     handlers:
         sentry:
             type: service
-            id: sentry.monolog.handler
-            level: error 
+            id: Sentry\Monolog\Handler
 ```
 
 ## Maintained versions

composer.json

@@ -32,20 +32,24 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.8",
         "jangregor/phpstan-prophecy": "^0.3.0",
+        "monolog/monolog": "^1.11||^2.0",
         "php-http/mock-client": "^1.0",
         "phpstan/phpstan": "^0.11",
         "phpstan/phpstan-phpunit": "^0.11",
         "phpunit/phpunit": "^7.5",
         "scrutinizer/ocular": "^1.4",
         "symfony/expression-language": "^2.8||^3.0||^4.0"
     },
+    "suggest": {
+        "monolog/monolog": "Required to use the Monolog handler"
+    },
     "autoload": {
-        "psr-4" : {
+        "psr-4": {
             "Sentry\\SentryBundle\\": "src/"
         }
     },
     "autoload-dev": {
-        "psr-4" : {
+        "psr-4": {
             "Sentry\\SentryBundle\\Test\\": "test"
         }
     },

src/DependencyInjection/Configuration.php

@@ -37,6 +37,10 @@ public function getConfigTreeBuilder(): TreeBuilder
             ->ifString()
             ->then($this->getTrimClosure());
 
+        $rootNode->children()
+            ->booleanNode('register_error_listener')
+            ->defaultTrue();
+
         // Options array (to be passed to Sentry\Options constructor) -- please keep alphabetical order!
         $optionsNode = $rootNode->children()
             ->arrayNode('options')
@@ -139,6 +143,24 @@ public function getConfigTreeBuilder(): TreeBuilder
         $listenerPriorities->scalarNode('console_error')
             ->defaultValue(128);
 
+        // Monolog handler configuration
+        $monologConfiguration = $rootNode->children()
+            ->arrayNode('monolog')
+            ->addDefaultsIfNotSet()
+            ->children();
+
+        $errorHandler = $monologConfiguration
+            ->arrayNode('error_handler')
+            ->addDefaultsIfNotSet()
+            ->children();
+        $errorHandler->booleanNode('enabled')
+            ->defaultFalse();
+        $errorHandler->scalarNode('level')
+            ->defaultValue('DEBUG')
+            ->cannotBeEmpty();
+        $errorHandler->booleanNode('bubble')
+            ->defaultTrue();
+
         return $treeBuilder;
     }
 

src/DependencyInjection/SentryExtension.php

@@ -2,7 +2,9 @@
 
 namespace Sentry\SentryBundle\DependencyInjection;
 
+use Monolog\Logger as MonologLogger;
 use Sentry\ClientBuilderInterface;
+use Sentry\Monolog\Handler;
 use Sentry\Options;
 use Sentry\SentryBundle\Command\SentryTestCommand;
 use Sentry\SentryBundle\ErrorTypesParser;
@@ -14,6 +16,7 @@
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\Console\ConsoleEvents;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
 use Symfony\Component\DependencyInjection\Loader;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
@@ -47,8 +50,9 @@ public function load(array $configs, ContainerBuilder $container): void
             $container->setParameter('sentry.listener_priorities.' . $key, $priority);
         }
 
-        $this->tagConsoleErrorListener($container);
+        $this->configureErrorListener($container, $processedConfiguration);
         $this->setLegacyVisibilities($container);
+        $this->configureMonologHandler($container, $processedConfiguration['monolog']);
     }
 
     private function passConfigurationToOptions(ContainerBuilder $container, array $processedConfiguration): void
@@ -134,6 +138,17 @@ private function valueToCallable($value)
         return $value;
     }
 
+    private function configureErrorListener(ContainerBuilder $container, array $processedConfiguration): void
+    {
+        if (! $processedConfiguration['register_error_listener']) {
+            $container->removeDefinition(ErrorListener::class);
+
+            return;
+        }
+
+        $this->tagConsoleErrorListener($container);
+    }
+
     /**
      * BC layer for Symfony < 3.3; see https://symfony.com/blog/new-in-symfony-3-3-better-handling-of-command-exceptions
      */
@@ -166,9 +181,40 @@ private function setLegacyVisibilities(ContainerBuilder $container): void
         if (Kernel::VERSION_ID < 30300) {
             $container->getDefinition(SentryTestCommand::class)->setPublic(true);
             $container->getDefinition(ConsoleListener::class)->setPublic(true);
-            $container->getDefinition(ErrorListener::class)->setPublic(true);
             $container->getDefinition(RequestListener::class)->setPublic(true);
             $container->getDefinition(SubRequestListener::class)->setPublic(true);
+
+            if ($container->hasDefinition(ErrorListener::class)) {
+                $container->getDefinition(ErrorListener::class)->setPublic(true);
+            }
         }
     }
+
+    private function configureMonologHandler(ContainerBuilder $container, array $monologConfiguration): void
+    {
+        $errorHandler = $monologConfiguration['error_handler'];
+
+        if (! $errorHandler['enabled']) {
+            $container->removeDefinition(Handler::class);
+
+            return;
+        }
+
+        if (! class_exists(Handler::class)) {
+            throw new LogicException(
+                sprintf('Missing class "%s", try updating "sentry/sentry" to a newer version.', Handler::class)
+            );
+        }
+
+        if (! class_exists(MonologLogger::class)) {
+            throw new LogicException(
+                sprintf('You cannot use "%s" if Monolog is not available.', Handler::class)
+            );
+        }
+
+        $container
+            ->getDefinition(Handler::class)
+            ->replaceArgument('$level', MonologLogger::toMonologLevel($errorHandler['level']))
+            ->replaceArgument('$bubble', $errorHandler['bubble']);
+    }
 }

src/Resources/config/services.xml

@@ -51,5 +51,11 @@
         <service id="Sentry\SentryBundle\Command\SentryTestCommand" class="Sentry\SentryBundle\Command\SentryTestCommand" public="false">
             <tag name="console.command" />
         </service>
+
+        <service id="Sentry\Monolog\Handler" class="Sentry\Monolog\Handler" public="false">
+            <argument type="service" id="Sentry\State\HubInterface" />
+            <argument key="$level" />
+            <argument key="$bubble" />
+        </service>
     </services>
 </container>

test/DependencyInjection/ConfigurationTest.php

@@ -48,6 +48,7 @@ public function testConfigurationDefaults(): void
         $processed = $this->processConfiguration([]);
         $expectedDefaults = [
             'dsn' => null,
+            'register_error_listener' => true,
             'listener_priorities' => [
                 'request' => 1,
                 'sub_request' => 1,
@@ -67,6 +68,13 @@ public function testConfigurationDefaults(): void
                 'project_root' => '%kernel.root_dir%/..',
                 'tags' => [],
             ],
+            'monolog' => [
+                'error_handler' => [
+                    'enabled' => false,
+                    'level' => 'DEBUG',
+                    'bubble' => true,
+                ],
+            ],
         ];
 
         if (method_exists(Kernel::class, 'getProjectDir')) {