Can we add 2 event handlers in nagios service definition

Question

Suppose we have a service definition in nagios as:

define service{
    host_name           some host
    service_description xxx
    max_check_attempts      4
    event_handler       restart-XXX
    ...
    }

Now my question is can we add 2 event_handlers say event_handler1 and event_handler2 this should look something like:

event_handler1      restart-XXX
    event_handler2      restart-YYY
    ...
        }

Is this possible?

Answer 1

You can solve this two different ways:

1. You can register a global event handler, and then a per service/host event handler.

   In your command definition: define command{ command_name global_event_handler command_line /path/to/script $ARGUMENTS$ }

   define command{
       command_name    host_event_handler
       command_line    /path/to/script2 $ARGUMENTS$
   }
   

   Then, in main nagios configuration:

   global_host_event_handler=global_event_handler
   

   And in your host definition:

   define host{
       name            some_host
       address         127.1.2.3
       event_handler   host_event_handler
   }
   

2. You can write a script that will execute both, and set that as the event handler.

   In your command definition:

   define command{
       command_name    host_event_handler
       command_line    /path/to/script $ARGUMENTS$
   }
   

   In your host definition:

   define host{
       name            some_host
       address         127.1.2.3
       event_handler   host_event_handler
   }
   

   Then, in /path/to/script:

   #!/bin/bash
   
   /path/to/script1
   /path/to/script2
   

Hope this helps!