introducing new way of controling the cronjobs by creating a cron.d-file

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
2014-01-13 08:55:39 +01:00
parent c5efe9fd7f
commit 4be52f76eb
14 changed files with 232 additions and 141 deletions
--- a/lib/functions/froxlor/function.checkCrondConfigurationFile.php
+++ b/lib/functions/froxlor/function.checkCrondConfigurationFile.php
@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2014 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Functions
+ *
+ */
+
+/**
+ * 1st: check for task of generation
+ * 2nd: if task found, generate cron.d-file
+ * 3rd: maybe restart cron?
+ */
+function checkCrondConfigurationFile() {
+
+	// check for task
+	$result_tasks_stmt = Database::query("
+			SELECT * FROM `" . TABLE_PANEL_TASKS . "` WHERE `type` = '99'
+			");
+	$num_results = Database::num_rows();
+
+	// is there a task for re-generating the cron.d-file?
+	if ($num_results > 0) {
+
+		// get all crons and their intervals
+		$cronfile = "# automatically generated cron-configuration by froxlor\ņ";
+		$cronfile.= "# do not manually edit this file as it will be re-generated periodically.\ņ";
+		$cronfile.= "PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin\n#\n";
+
+		// get all the crons
+		$result_stmt = Database::query("
+				SELECT * FROM `" . TABLE_PANEL_CRONRUNS . "` WHERE `isactive` = '1'
+				");
+
+		while ($row_cronentry = $result_stmt->fetch(PDO::FETCH_ASSOC)) {
+			// create cron.d-entry
+			if (preg_match("/(\d+) (MINUTE|HOUR|DAY|WEEK|MONTH)/", $row_cronentry['interval'], $matches)) {
+				switch($matches[2]) {
+					case "MINUTE":
+						$cronfile .= "*/" . $matches[1] . " * * * * ";
+						break;
+					case "HOUR":
+						$cronfile .= "* */" . $matches[1] . " * * * ";
+						break;
+					case "DAY":
+						$cronfile .= "* * */" . $matches[1] . " * * ";
+						break;
+					case "WEEK":
+						$cronfile .= "* * * */" . $matches[1] . " * ";
+						break;
+					case "MONTH":
+						$cronfile .= "* * * * */" . $matches[1] . " ";
+						break;
+				}
+
+				// create entry-line
+				$binpath = "/usr/bin/nice -n 5 /usr/bin/php5 -q";
+				$cronfile .= "root " . $binpath." " . FROXLOR_INSTALL_DIR . "/scripts/froxlor_master_cronjob.php --" . $row_cronentry['cronfile'] . " 1 > /dev/null\n";
+			}
+		}
+
+		// write the file
+		if (file_put_contents(Settings::Get("system.cronconfig"), $cronfile) === false) {
+			// oh snap cannot create new crond-file
+			die("Oh snap, we cannot create the cron.d file. This should not happen.\nPlease check the path and permissions, the cron will keep trying if you don't stop the cron-service.\n\n");
+		}
+
+		// remove all re-generation tasks
+		Database::query("DELETE FROM `" . TABLE_PANEL_TASKS . "` WHERE `type` = '99'");
+	}
+	return true;
+}