Can't get plugin to ever start

Charlie Hedlin charlie at hedlin.com
Wed Apr 27 17:44:51 CEST 2005


I believe my problem is with embedded perl.  I will probably rebuild 
nagios from source to get rid of it, unless anyone could possibly point 
me in the right direction to fix it.  In the interim I have the check 
script wrapped with a shell script to get it to work.

Thanks,
Charlie Hedlin

Charlie Hedlin wrote:

> I am trying to monitor the temperature of my server room with an 
> eSensors em01.  I can run check_em01 -H ipaddr -tw 65,75 --tc 55,80 
> from the command line and it works fine.
> Nagios will never run the check for me, and it is stuck in the PENDING 
> state.  If I force a check it will update the scheduled date in the 
> status field, but that seems to be about it.  I have configured a 
> check_ping service for the sensor and it works fine.
>
> There has to be something obvious that I am missing, but I am going 
> insane trying to find it.  The logs don't mention anything about the 
> service, other than the external reschedule command. I even added a 
> command to touch a test file at the beginning of check_em01 to verify 
> that it was never starting.
>
> I have installed 2.0b1 from DAGs rpms on CentOS 3.4 (Redhat Enterprise 
> Linux 3 for all practical purposes).
> Here are the relevant lines from /etc/nagios/checkcommands.cfg
> # 'check_temp' command definition
> define command{
>        command_name    check_temp
>        command_line    $USER1$/check_em01 -H $HOSTADDRESS$ --tw $ARG1$ 
> --tc $ARG2$
>        }
>
> # 'check_humidity' command definition
> define command{
>        command_name    check_humidity
>        command_line    $USER1$/check_em01 -H $HOSTADDRESS$ --hw $ARG1$ 
> --hc $ARG2$
>        }
>
> # 'check_light command definition
> define command{
>        command_name    check_light
>        command_line    $USER1$/check_em01 -H $HOSTADDRESS$ --iw $ARG1$ 
> --ic $ARG2$
>        }
>
> and the services defintion, including the check_ping command that works:
> define service{
>        use                             generic-service
>
>        host_name                       sensor1
>        service_description             PING
>        is_volatile                     0
>        check_period                    24x7
>        max_check_attempts              3
>        normal_check_interval           5
>        retry_check_interval            1
>        contact_groups                  linux-admins
>        notification_interval           120
>        notification_period             24x7
>        notification_options            w,u,c,r
>        check_command                   check_ping!100.0,20%!500.0,60%
>        }
>
> define service{
>        use                             generic-service         ; Name 
> of service template to use
>
>        host_name                       sensor1
>        service_description             TEMPERATURE
>        is_volatile                     0
>        check_period                    24x7
>        max_check_attempts              3
>        normal_check_interval           5
>        retry_check_interval            1
>        contact_groups                  linux-admins
>        notification_interval           120
>        notification_period             24x7
>        notification_options            w,u,c,r
>        check_command                   check_temp!65,75!55,80
>        }
>
>
>
> Thanks for any help.
> Charlie
>
>
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Plus IDC's 2005 look-ahead and a copy of this survey
Click here to start!  http://www.idcswdc.com/cgi-bin/survey?id=105hix
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
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