Nagios External Commands

[Dan Garthwaite]

Things to check:
command_check_interval=-1
command_file=/usr/local/nagios/var/rw/nagios.cmd

Make sure command_file is readable by nagios user.

What does the nagios log say?
  /var/log/nagios/nagios.log  (or somesuch)

Usually it is a permissions error.




On Fri, Oct 30, 2015 at 1:46 PM, Kenny Lussier <klussier at gmail.com> wrote:

> Hi All,
>
> I find myself back to working with Nagios after a long hiatus of using
> much friendlier monitoring systems....
>
> I'm trying to set up snmp trap monitoring, which I've dome in the past,
> but I'm missing something that I just can't seem get. I can send a trap
> from a system, the trap is received by the trap catcher, it's handed off to
> snmptt for translation, which uses the EXEC line to put an external command
> in the nagios.cmd file. That all works. But notifications aren't sent, and
> the status of the service never changes.
>
> So:
>
> snmptrap -v 2c -c public util1 '' .1.3.6.1.6.3.1.1.5.5 ## runs on util2
>
>
> Fri Oct 30 17:42:03 2015 .1.3.6.1.6.3.1.1.5.5 Normal "Status Events" util2
> - An authenticationFailure trap signifies that the SNMP  ## Shows up on
> util1 in snmptt.log
>
> [1446226923] PROCESS_SERVICE_CHECK_RESULT;util2;TRAP;1;An
> authenticationFailure trap signifies that the SNMP  ## Shows up in
> nagios.cmd
>
> So, it appears that everything is set up correctly, but Nagios isn't
> processing the external service check command and setting the status to
> warning and sending me an email.
>
>
> Any ideas?
>
> TIA,
> Kenny
>
>
>
> My configs look like this:
>
> define service {
> name                            TRAP
> service_description             TRAP
> active_checks_enabled           0       ; Active service checks are enabled
> passive_checks_enabled          1       ; Passive service checks are
> enabled/accepted
> process_perf_data               0
> obsess_over_service             0       ; We should obsess over this
> service (if necessary)
> check_freshness                 1       ; Default is to NOT check service
> 'freshness'
> freshness_threshold             93600
> notifications_enabled           1       ; Service notifications are enabled
> event_handler_enabled           1       ; Service event handler is enabled
> flap_detection_enabled          0       ; Flap detection is enabled
> process_perf_data               1       ; Process performance data
> retain_status_information       1       ; Retain status information across
> program restarts
> retain_nonstatus_information    1       ; Retain non-status information
> across program restarts
> check_command                   check-host-alive      ; This will be used
> to reset the service to "OK"
> is_volatile                     1
> check_period                    24x7
> max_check_attempts              1
> normal_check_interval           1
> retry_check_interval            100
> notification_interval           1
> notification_period             24x7
> notification_options            w,u,c,r
> contact_groups                  klussier       ; Modify this to match your
> Nagios contact group definitions
> register                        0
> }
>
> define contact{
>         contact_name                    klussier
>         alias                           klussier
>         service_notification_period     24x7
>         host_notification_period        24x7
>         service_notification_options    w,u,c,r
>         host_notification_options       d,u,r
>         service_notification_commands   notify-by-email
>         host_notification_commands      host-notify-by-email
>         email                           klussier@
>         }
>
> define contactgroup{
>         contactgroup_name       klussier
>         alias                   klussier
>         members                 klussier
>         }
>
>
> define service{
>    host_name               util2
>    use                     TRAP
>    contact_groups          klussier
> }
>
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>
>
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