Avoid dying when one of the site is not responding. Simply ignore

Author: ywarnier

get_connected_users_5_munin.php

@@ -108,12 +108,13 @@ function get_connections($bd, $sub, $last_connect_minutes)
         }
         if (!empty($config_file)) {
             $_configuration = [];
-            $inc = include_once($config_file);
+            $inc = require_once($config_file);
             $dsn = 'mysql:dbname='.$_configuration['main_database'].';host='.$_configuration['db_host'];
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database '.$_configuration['main_database'].': '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $sql = "SELECT CONCAT(UTC_DATE(),' ',UTC_TIME())";

get_live_answers_munin.php

@@ -117,7 +117,8 @@ function get_connections($bd, $sub, $last_connect_minutes)
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database: '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $sql = "SELECT CONCAT(UTC_DATE(),' ',UTC_TIME())";

get_live_exam_users_munin.php

@@ -117,7 +117,8 @@ function get_connections($bd, $sub, $last_connect_minutes)
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database: '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $sql = "SELECT CONCAT(UTC_DATE(),' ',UTC_TIME())";

get_registered_courses_munin.php

@@ -109,7 +109,8 @@ function get_courses($bd, $sub)
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database: '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $user_table = 'course';

get_registered_sessions_munin.php

@@ -109,7 +109,8 @@ function get_sessions($bd, $sub)
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database: '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $user_table = 'session';

get_registered_users_munin.php

@@ -109,7 +109,8 @@ function get_registrations($bd, $sub)
             try {
                 $dbh = new PDO($dsn, $_configuration['db_user'], $_configuration['db_password']);
             } catch (PDOException $e) {
-                die('Failed to connect to database: '.$e->getMessage());
+                error_log('Failed to connect to database: '.$e->getMessage());
+                continue;
             }
             if ($inc !== false && $dbh !== false) {
                 $query = "SELECT count(user_id) FROM user";