show more lines for mail and lets encrypt log

Author: florian030

server/lib/classes/cron.d/100-monitor_letsencrypt_log.inc.php

@@ -65,7 +65,7 @@ public function onRunJob() {
 		$type = 'log_letsencrypt';
 
 		/* Get the data of the log */
-		$data = $this->_tools->_getLogData($type);
+		$data = $this->_tools->_getLogData($type, 500);
 
 		/*
 		 * actually this info has no state.

server/lib/classes/cron.d/100-monitor_mail_log.inc.php

@@ -67,7 +67,7 @@ public function onRunJob() {
 		$type = 'log_mail';
 
 		/* Get the data of the log */
-		$data = $this->_tools->_getLogData($type);
+		$data = $this->_tools->_getLogData($type, 500);
 
 		/*
 		 * actually this info has no state.

server/lib/classes/monitor_tools.inc.php

@@ -488,7 +488,7 @@ public function monitorServices() {
 		return $res;
 	}
 
-	public function _getLogData($log) {
+	public function _getLogData($log, $max_lines = 100) {
 		global $conf;
 
 		$dist = '';
@@ -645,7 +645,7 @@ public function _getLogData($log) {
 			} else {
 				$log = '';
 				if (is_readable($logfile)) {
-					$fd = popen('tail -n 100 ' . escapeshellarg($logfile), 'r');
+					$fd = popen('tail -n '.intval($max_lines).' ' . escapeshellarg($logfile), 'r');
 					if ($fd) {
 						while (!feof($fd)) {
 							$log .= fgets($fd, 4096);