Hi list,
I use service dependencies to define that all service checks checked
by NRPE depend on the NRPE daemon. Actually I am using a very
time-consuming approach by defining all dependencies explicitely.
Please note: I call the service implementing the NRPE protocol
regardless on which platform it is running nagios-agent.
Actuall approach is already using same host service dependencies:
define servicedependency {
host_name mypc
service_description nagios-agent
dependent_service_description load, mem, syslog
execution_failure_criteria n
notification_failure_criteria c,u
}
This is time-consuming because I have to define such a dependency for
every host and if I introduce a new check checked by NRPE I have to
alter all dependency definitions. After reading the Nagios
documentation about "time saving tricks" I tried to use hostgroups in
service dependency definitions. This works fine and eliminates the
first problem. I just defined one dependency for all hosts in a
hostgroup.
define servicedependency {
hostgroup_name sles-10-base-prod
service_description nagios-agent
dependent_service_description load, mem, syslog
execution_failure_criteria n
notification_failure_criteria c,u
}
This means I have to define a dependency for every hostgroup which
relies on services checked by NRPE. But these definitions still have
to be altered if there is a new check using NRPE.
So I had the idea to add all services checked by NRPE to a service
group called nagios-agent-based.Then I tried to define a same host
dependency.
define servicedependency {
hostgroup_name sles-10-base-prod
service_description nagios-agent
dependent_servicegroup_name nagios-agent-based
execution_failure_criteria n
notification_failure_criteria c,u
}
But this did not work like expected, because now there are not only
same host dependencies defined but all service checks on one host
relies now on every nagios-agent on every host in the hostgroup. Works
as designed? From my understanding I expected something else.
Any other ideas to define such dependencies?
Thanks for your advice.
Tobias
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