Merge pull request #2740 from Icinga/feature/emit-log-messages-in-the-webserver-s-log-11652

Emit log messages to the web server log

application/forms/Config/General/LoggingConfigForm.php

@@ -39,6 +39,7 @@ class LoggingConfigForm extends Form
                 'label'         => $this->translate('Logging Type'),
                 'description'   => $this->translate('The type of logging to utilize.'),
                 'multiOptions'  => array(
+                    'php'       => $this->translate('Webserver Log', 'app.config.logging.type'),
                     'syslog'    => 'Syslog',
                     'file'      => $this->translate('File', 'app.config.logging.type'),
                     'none'      => $this->translate('None', 'app.config.logging.type')
@@ -64,7 +65,7 @@ class LoggingConfigForm extends Form
             );
         }
 
-        if (false === isset($formData['logging_log']) || $formData['logging_log'] === 'syslog') {
+        if (false === isset($formData['logging_log']) || in_array($formData['logging_log'], array('syslog', 'php'))) {
             $this->addElement(
                 'text',
                 'logging_application',
@@ -72,7 +73,7 @@ class LoggingConfigForm extends Form
                     'required'      => true,
                     'label'         => $this->translate('Application Prefix'),
                     'description'   => $this->translate(
-                        'The name of the application by which to prefix syslog messages.'
+                        'The name of the application by which to prefix log messages.'
                     ),
                     'requirement'   => $this->translate('The application prefix must not contain whitespace.'),
                     'value'         => 'icingaweb2',

library/Icinga/Application/Logger/Writer/PhpWriter.php

@@ -0,0 +1,39 @@
+<?php
+/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Application\Logger\Writer;
+
+use Icinga\Application\Logger;
+use Icinga\Application\Logger\LogWriter;
+use Icinga\Data\ConfigObject;
+use Icinga\Exception\NotWritableError;
+
+/**
+ * Log to the webserver log, a file or syslog
+ *
+ * @see https://secure.php.net/manual/en/errorfunc.configuration.php#ini.error-log
+ */
+class PhpWriter extends LogWriter
+{
+    /**
+     * Prefix to prepend to each message
+     *
+     * @var string
+     */
+    protected $ident;
+
+    public function __construct(ConfigObject $config)
+    {
+        parent::__construct($config);
+        $this->ident = $config->get('application', 'icingaweb2');
+    }
+
+    public function log($severity, $message)
+    {
+        if (ini_get('error_log') === 'syslog') {
+            $message = str_replace("\n", '    ', $message);
+        }
+
+        error_log($this->ident . ': ' . Logger::$levels[$severity] . ' - ' . $message);
+    }
+}