From c6e05a8eebc58624c675d4b10d33e94e6b6fa83b Mon Sep 17 00:00:00 2001
From: tbrehm <t.brehm@ispconfig.org>
Date: Mon, 12 Sep 2011 10:16:19 -0400
Subject: [PATCH] Implemented: FS#1385 - Define all Email aliases in dovecot autoresponder
---
server/mods-available/rescue_core_module.inc.php | 107 ++++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 97 insertions(+), 10 deletions(-)
diff --git a/server/mods-available/rescue_core_module.inc.php b/server/mods-available/rescue_core_module.inc.php
index 7ce828d..f1c34ca 100644
--- a/server/mods-available/rescue_core_module.inc.php
+++ b/server/mods-available/rescue_core_module.inc.php
@@ -89,6 +89,11 @@
$this->_rescueData = $this->_getRescueData();
/*
+ * rescue mysql if needed (maybe apache depends on mysql, so try this first!)
+ */
+ $this->_rescueMySql();
+
+ /*
* rescue apache if needed
*/
$this->_rescueApache();
@@ -108,7 +113,7 @@
private function _getMonitoringData() {
global $app;
- $dataFilename = dirname(__FILE__) . "/../lib/rescue_module_monitoringdata.ser.txt";
+ $dataFilename = dirname(__FILE__) . "/../temp/rescue_module_monitoringdata.ser.txt";
/*
* If the file containing the data is too old (older than 5 minutes) it is better to
@@ -156,8 +161,10 @@
/*
* We have the newest monitoring data. Save it!
+ * (and protect it, because there may be sensible data in it)
*/
file_put_contents($dataFilename, serialize($data));
+ chmod($dataFilename, 0600);
/* Thats it */
return $data;
@@ -170,7 +177,7 @@
* so we do not have parallel access.
*/
private function _getRescueData() {
- $dataFilename = dirname(__FILE__) . "/../lib/rescue_module_rescuedata.ser.txt";
+ $dataFilename = dirname(__FILE__) . "/../temp/rescue_module_rescuedata.ser.txt";
/*
* If the file containing the data is too old (older than 5 minutes) it is better to
@@ -201,8 +208,13 @@
* so we do not have parallel access.
*/
private function _saveRescueData() {
- $dataFilename = dirname(__FILE__) . "/../lib/rescue_module_rescuedata.ser.txt";
+ $dataFilename = dirname(__FILE__) . "/../temp/rescue_module_rescuedata.ser.txt";
+ /*
+ * We have the newest data. Save it!
+ * (and protect it, because there may be sensible data in it)
+ */
file_put_contents($dataFilename, serialize($this->_rescueData));
+ chmod($dataFilename, 0600);
}
/**
@@ -261,17 +273,94 @@
$app->log('Apache is down! Try rescue apache (try:' . $tryCount . ')...', LOGLEVEL_WARN);
-// echo 'Apache is down! Try rescue apache (try:' . $tryCount . ')...';
- /*
- * First we stop the running service "normally"
- */
- $daemon = '';
if(is_file($conf['init_scripts'] . '/' . 'httpd')) {
$daemon = 'httpd';
} else {
$daemon = 'apache2';
}
+
+ $this->_rescueDaemon($daemon);
+ }
+
+ /**
+ * restarts mysql, if needed
+ */
+ private function _rescueMySql(){
+ global $app, $conf;
+
+ /*
+ * do nothing, if it is not allowed to rescue mysql
+ */
+ if ((isset($conf['serverconfig']['rescue']['do_not_try_rescue_mysql']) && ($conf['serverconfig']['rescue']['do_not_try_rescue_mysql']) == 'y')){
+ return;
+ }
+
+ /*
+ * if the service is up and running, or the service is not installed there is nothing to do...
+ */
+ if ($this->_monitoringData[0][0]['data']['mysqlserver'] != 0){
+ /* Clear the try counter, because we do not have to try to rescue the service */
+ $this->_rescueData['mysqlserver']['try_counter'] = 0;
+ return;
+ }
+
+ /*
+ * OK, the service is installed and down.
+ * Maybe this is because of a restart of the service by the admin.
+ * This means, we check the data 1 minute ago
+ */
+ if ((!isset($this->_monitoringData[1][0]['data']['mysqlserver'])) ||
+ ((isset($this->_monitoringData[1][0]['data']['mysqlserver'])) && ($this->_monitoringData[1][0]['data']['mysqlserver'] != 0))){
+ /*
+ * We do NOT have this data or we have this data, but the webserver was not down 1 minute ago.
+ * This means, it could be, that the admin is restarting the server.
+ * We wait one more minute...
+ */
+ return;
+ }
+
+ /*#####
+ * The service is down and it was down 1 minute ago.
+ * We try to rescue it
+ *#####*/
+
+ /* Get the try counter */
+ $tryCount = (!isset($this->_rescueData['mysqlserver']['try_counter']))? 1 : $this->_rescueData['mysqlserver']['try_counter'] + 1;
+
+ /* Set the new try counter */
+ $this->_rescueData['mysqlserver']['try_counter'] = $tryCount;
+
+ /* if 5 times will not work, we have to give up... */
+ if ($tryCount > 5){
+ $app->log('MySQL is down! Rescue will not help!', LOGLEVEL_ERROR);
+ return;
+ }
+
+
+ $app->log('MySQL is down! Try rescue mysql (try:' . $tryCount . ')...', LOGLEVEL_WARN);
+
+ if(is_file($conf['init_scripts'] . '/' . 'mysqld')) {
+ $daemon = 'mysqld';
+ } else {
+ $daemon = 'mysql';
+ }
+
+ $this->_rescueDaemon($daemon);
+ }
+
+ /**
+ * Tries to stop and then restart the daemon
+ *
+ * @param type $daemon the name of the daemon
+ */
+ private function _rescueDaemon($daemon){
+ global $conf;
+
+ // if you need to find all restarts search for "['init_scripts']"
+ /*
+ * First we stop the running service "normally"
+ */
/*
* ATTENTION!
@@ -292,7 +381,5 @@
*/
exec($conf['init_scripts'] . '/' . $daemon . ' start');
}
-
-// if you need to find all restarts search for "['init_scripts']"
}
?>
--
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