Supporting v2 handlers and removing removed.

DependencyInjection/MonologExtension.php

@@ -467,6 +467,7 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
 
         case 'group':
         case 'whatfailuregroup':
+        case 'fallbackgroup':
             $references = [];
             foreach ($handler['members'] as $nestedHandler) {
                 $nestedHandlerId = $this->getHandlerId($nestedHandler);
@@ -938,7 +939,40 @@ private function getHandlerClassByType($handlerType)
             'insightops' => 'Monolog\Handler\InsightOpsHandler',
         ];
 
+        $v2HandlerTypesAdded = [
+            'elasticsearch' => 'Monolog\Handler\ElasticaHandler',
+            'fallbackgroup' => 'Monolog\Handler\FallbackGroupHandler',
+            'logmatic' => 'Monolog\Handler\LogmaticHandler',
+            'noop' => 'Monolog\Handler\NoopHandler',
+            'overflow' => 'Monolog\Handler\OverflowHandler',
+            'process' => 'Monolog\Handler\ProcessHandler',
+            'sendgrid' => 'Monolog\Handler\SendGridHandler',
+            'sqs' => 'Monolog\Handler\SqsHandler',
+            'telegram' => 'Monolog\Handler\TelegramBotHandler',
+        ];
+
+        $v2HandlerTypesRemoved = [
+            'hipchat',
+            'raven',
+            'slackbot',
+        ];
+
+        if (Logger::API === 2) {
+            $typeToClassMapping = array_merge($typeToClassMapping, $v2HandlerTypesAdded);
+            foreach($v2HandlerTypesRemoved as $v2HandlerTypeRemoved) {
+                unset($typeToClassMapping[$v2HandlerTypeRemoved]);
+            }
+        }
+
         if (!isset($typeToClassMapping[$handlerType])) {
+            if (Logger::API === 1 && array_key_exists($handlerType, $v2HandlerTypesAdded)) {
+                throw new \InvalidArgumentException(sprintf('"%s" was added in Monolog v2, please upgrade if you wish to use it.', $handlerType));
+            }
+
+            if (Logger::API === 2 && array_key_exists($handlerType, $v2HandlerTypesRemoved)) {
+                throw new \InvalidArgumentException(sprintf('"%s" was removed in Monolog v2.', $handlerType));
+            }
+
             throw new \InvalidArgumentException(sprintf('There is no handler class defined for handler "%s".', $handlerType));
         }
 

Tests/DependencyInjection/MonologExtensionTest.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Bundle\MonologBundle\Tests\DependencyInjection;
 
+use InvalidArgumentException;
+use Monolog\Logger;
 use Symfony\Bundle\MonologBundle\DependencyInjection\MonologExtension;
 use Symfony\Bundle\MonologBundle\DependencyInjection\Compiler\LoggerChannelPass;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -532,6 +534,67 @@ public function testFingersCrossedHandlerWhenExcludedHttpCodesAreSpecified()
         $this->assertDICConstructorArguments($handler, [new Reference('monolog.handler.nested'), new Reference('monolog.handler.main.http_code_strategy'), 0, true, true, null]);
     }
 
+    /**
+     * @param string $handlerType
+     * @dataProvider v2RemovedDataProvider
+     */
+    public function testV2Removed($handlerType)
+    {
+        if (Logger::API === 1) {
+            $this->markTestSkipped('Not valid for V1');
+
+            return;
+        }
+
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage(sprintf('"%s" was removed in Monolog v2.', $handlerType));
+
+        $container = new ContainerBuilder();
+        $loader = new MonologExtension();
+
+        $loader->load([['handlers' => ['main' => ['type' => $handlerType]]]], $container);
+    }
+
+    public function v2RemovedDataProvider()
+    {
+        return [
+            ['hipchat'],
+            ['raven'],
+            ['slackbot'],
+        ];
+    }
+
+    /**
+     * @param string $handlerType
+     * @dataProvider v1AddedDataProvider
+     */
+    public function testV2AddedOnV1($handlerType)
+    {
+        if (Logger::API === 2) {
+            $this->markTestSkipped('Not valid for V2');
+
+            return;
+        }
+
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage(
+            sprintf('"%s" was added in Monolog v2, please upgrade if you wish to use it.', $handlerType)
+        );
+
+        $container = new ContainerBuilder();
+        $loader = new MonologExtension();
+
+        $loader->load([['handlers' => ['main' => ['type' => $handlerType]]]], $container);
+    }
+
+    public function v1AddedDataProvider()
+    {
+        return [
+            ['fallbackgroup'],
+        ];
+    }
+
+
     protected function getContainer(array $config = [], array $thirdPartyDefinitions = [])
     {
         $container = new ContainerBuilder();