revert rfc field to scalar node (for SyslogUdpHandler::RFC5424e), update ident field validation

Author: gwinn

DependencyInjection/Configuration.php

@@ -163,7 +163,7 @@
  *   - [level]: level name or int value, defaults to DEBUG
  *   - [bubble]: bool, defaults to true
  *   - [ident]: string, defaults to
- *   - [rfc]: SyslogUdpHandler::RFC3164 (0) or SyslogUdpHandler::RFC5424 (1), defaults to SyslogUdpHandler::RFC5424
+ *   - [rfc]: SyslogUdpHandler::RFC3164 (0), SyslogUdpHandler::RFC5424 (1) or 2 (for SyslogUdpHandler::RFC5424e, monolog 1 does not support it) defaults to SyslogUdpHandler::RFC5424
  *
  * - swift_mailer:
  *   - from_email: optional if email_prototype is given
@@ -410,7 +410,7 @@ public function getConfigTreeBuilder()
                             ->booleanNode('use_locking')->defaultFalse()->end() // stream and rotating
                             ->scalarNode('filename_format')->defaultValue('{filename}-{date}')->end() //rotating
                             ->scalarNode('date_format')->defaultValue('Y-m-d')->end() //rotating
-                            ->scalarNode('ident')->defaultFalse()->end() // syslog and syslogudp
+                            ->scalarNode('ident')->defaultValue('php')->end() // syslog and syslogudp
                             ->scalarNode('logopts')->defaultValue(LOG_PID)->end() // syslog
                             ->scalarNode('facility')->defaultValue('user')->end() // syslog
                             ->scalarNode('max_files')->defaultValue(0)->end() // rotating
@@ -496,10 +496,7 @@ public function getConfigTreeBuilder()
                             ->scalarNode('title')->defaultNull()->end() // pushover
                             ->scalarNode('host')->defaultNull()->end() // syslogudp & hipchat
                             ->scalarNode('port')->defaultValue(514)->end() // syslogudp
-                            ->enumNode('rfc')
-                                ->values([SyslogUdpHandler::RFC5424, SyslogUdpHandler::RFC3164])
-                                ->defaultValue(SyslogUdpHandler::RFC5424)
-                            ->end() // syslogudp
+                            ->scalarNode('rfc')->defaultValue(SyslogUdpHandler::RFC5424)->end() // syslogudp
                             ->arrayNode('publisher')
                                 ->canBeUnset()
                                 ->beforeNormalization()

DependencyInjection/MonologExtension.php

@@ -519,12 +519,18 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
                 $handler['level'],
                 $handler['bubble'],
             ]);
-            if ($handler['ident']) {
+
+            if (false === $handler['ident'] || null === $handler['ident']) {
+                $handler['ident'] = 'php';
+                $definition->addArgument($handler['ident']);
+            } elseif ($handler['ident']) {
                 $definition->addArgument($handler['ident']);
             }
+
             if (isset($handler['rfc'])) {
                 $definition->addArgument($handler['rfc']);
             }
+
             break;
 
         case 'swift_mailer':

Tests/DependencyInjection/MonologExtensionTest.php

@@ -14,6 +14,7 @@
 use InvalidArgumentException;
 use Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy;
 use Monolog\Handler\RollbarHandler;
+use Monolog\Handler\SyslogUdpHandler;
 use Monolog\Logger;
 use Monolog\Processor\UidProcessor;
 use Symfony\Bridge\Monolog\Processor\SwitchUserTokenProcessor;
@@ -228,6 +229,31 @@ public function testSyslogHandlerWithLogopts()
         $this->assertDICConstructorArguments($handler, [false, 'user', \Monolog\Logger::DEBUG, true, LOG_CONS]);
     }
 
+    public function testSyslogHandlerForEmptyIdent()
+    {
+        $container = $this->getContainer(
+            [
+                [
+                    'handlers' => [
+                        'syslogudp' => [
+                            'type' => 'syslogudp',
+                            'host' => '127.0.0.1',
+                            'port' => 514,
+                            'facility' => 'USER',
+                            'level' => 'ERROR',
+                            'ident' => null,
+                            'rfc' => SyslogUdpHandler::RFC5424,
+                        ]
+                    ]
+                ]
+            ]
+        );
+
+        $expectedArguments = ['127.0.0.1', 514, 'USER', true, 400, 'php', 1];
+        $definition = $container->getDefinition('monolog.handler.syslogudp');
+        $this->assertDICConstructorArguments($definition, $expectedArguments);
+    }
+
     public function testRollbarHandlerCreatesNotifier()
     {
         $container = $this->getContainer([['handlers' => ['main' => ['type' => 'rollbar', 'token' => 'MY_TOKEN']]]]);