| | |
| | | $this->_rescueApache(); |
| | | |
| | | /* |
| | | * rescue mysql if needed |
| | | */ |
| | | $this->_rescueMySql(); |
| | | |
| | | /* |
| | | * The last step is to save the rescue-data |
| | | */ |
| | | $this->_saveRescueData(); |
| | |
| | | $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); |
| | | // echo 'MySQL is down! Try rescue mysql (try:' . $tryCount . ')...'; |
| | | |
| | | if(is_file($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 $conf; |
| | | |
| | | // if you need to find all restarts search for "['init_scripts']" |
| | | /* |
| | | * First we stop the running service "normally" |
| | | */ |
| | | |
| | | /* |
| | | * ATTENTION! |
| | |
| | | */ |
| | | exec($conf['init_scripts'] . '/' . $daemon . ' start'); |
| | | } |
| | | |
| | | // if you need to find all restarts search for "['init_scripts']" |
| | | } |
| | | ?> |