From 6467da92c46fcfff83874fb317a826a0e15ee6ed Mon Sep 17 00:00:00 2001
From: Daniel Berteaud <daniel@firewall-services.com>
Date: Fri, 4 Sep 2020 12:38:07 +0200
Subject: [PATCH] Add some compatibility for older MySQL servers

---
 zabbix_scripts/check_mysql_sudo | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/zabbix_scripts/check_mysql_sudo b/zabbix_scripts/check_mysql_sudo
index 2834120..e59d7c2 100644
--- a/zabbix_scripts/check_mysql_sudo
+++ b/zabbix_scripts/check_mysql_sudo
@@ -88,6 +88,14 @@ if ($exit eq 0){
       my ($key, $val) = split(/\t/, $_);
       $json->{$key} = $val;
     }
+    # Some older MySQL do not have all the variables we might want
+    if (not defined $json->{Acl_users}){
+      $json->{Acl_users} = qx(mysql $opt --batch --skip-column-names --execute 'select count(user) from user;' mysql);
+      chomp $json->{Acl_users};
+    }
+    if (not defined $json->{Max_statement_time_exceeded} and defined $json->{Max_execution_time_exceeded}){
+      $json->{Max_statement_time_exceeded} = $json->{Max_execution_time_exceeded}
+    }
   }
 }