Enhance syslog logging

src/Core/Logger/Factory/Logger.php

@@ -119,7 +119,7 @@ class Logger
 
 			case 'syslog':
 				try {
-					$logger = new SyslogLogger($this->channel, $introspection, $loglevel);
+					$logger = new SyslogLogger($this->channel, $introspection, $loglevel, $config->get('system', 'syslog_flags', SyslogLogger::DEFAULT_FLAGS), $config->get('system', 'syslog_facility', SyslogLogger::DEFAULT_FACILITY));
 				} catch (LogLevelException $exception) {
 					// If there's a wrong config value for loglevel, try again with standard
 					$logger = $this->create($database, $config, $profiler, $fileSystem, LogLevel::NOTICE);

src/Core/Logger/Type/SyslogLogger.php

@@ -34,6 +34,11 @@ class SyslogLogger extends AbstractLogger
 {
 	const IDENT = 'Friendica';
 
+	/** @var int The default syslog flags */
+	const DEFAULT_FLAGS = LOG_PID | LOG_ODELAY | LOG_CONS;
+	/** @var int The default syslog facility */
+	const DEFAULT_FACILITY = LOG_USER;
+
 	/**
 	 * Translates LogLevel log levels to syslog log priorities.
 	 * @var array
@@ -101,7 +106,7 @@ class SyslogLogger extends AbstractLogger
 	 * @throws LogLevelException
 	 * @throws LoggerException
 	 */
-	public function __construct($channel, Introspection $introspection, string $level = LogLevel::NOTICE, int $logOpts = LOG_PID, int $logFacility = LOG_USER)
+	public function __construct($channel, Introspection $introspection, string $level = LogLevel::NOTICE, int $logOpts = self::DEFAULT_FLAGS, int $logFacility = self::DEFAULT_FLAGS)
 	{
 		parent::__construct($channel, $introspection);
 		$this->logOpts     = $logOpts;

static/defaults.config.php

@@ -325,6 +325,14 @@ return [
 		// Sets the logging adapter of Friendica globally (monolog, syslog, stream)
 		'logger_config' => 'stream',
 
+		// syslog flags (Integer)
+		// Sets the syslog flags in case 'logger_config' is set to 'syslog'
+		'syslog_flags' => LOG_CONS | LOG_PID | LOG_ODELAY,
+
+		// syslog flags (Integer)
+		// Sets the syslog facility in case 'logger_config' is set to 'syslog'
+		'syslog_facility' => LOG_USER,
+
 		// maintenance_start (String)
 		// Start of the window for the daily maintenance cron call.
 		// The system timezone is used when no timezone is defined here.

static/env.config.php

@@ -45,6 +45,9 @@ return [
 	'FRIENDICA_LOGFILE' => ['system', 'logfile'],
 	'FRIENDICA_LOGLEVEL'=> ['system', 'loglevel'],
 	'FRIENDICA_PROFILING' => ['system', 'profiler'],
+	'FRIENDICA_LOGGER' => ['system', 'logger_config'],
+	'FRIENDICA_SYSLOG_FLAGS' => ['system', 'syslog_flags'],
+	'FRIENDICA_SYSLOG_FACILITY' => ['system', 'syslog_facility'],
 
 	// Caching
 	'FRIENDICA_CACHE_DRIVER' => ['system', 'cache_driver'],