Hosts and Services

[craig cook]

I've been poking around the data model for nagios 2.x recently and from
what I can see the “check_command” and related variables in the “define
host{“ section are actually redundant...


Should those variables be removed and let the “define service{” section
handle “check_commands”?


e.g.

define host {

host_name           linux-server
address             10.0.0.1
parents             linux-server2
hostgroups          web-servers
check_command       ping-linux-servers
contact_group       linux-admins
[snip]
}


should actually become something like


define host {
host_name      linux-server
address        10.0.0.1
parents        linux-server2
hostgroups     web-servers
}


define service {
service              ping-linux-servers
check_command_line   ping ... 
}


define host_service {
host_name     linux-server
service       ping-linux-servers
contact_group linux-admins
}


(more of a relational way of thinking) 


For host “contact_groups” you do not actually get contacted when a host
fails, it is actually a “service” that has executed and failed on that
host. If the “host check_command” was removed, this would be a little
clearer.


Comments?


(If this is as clear a mud I'll try and explain it a different way)


Craig Cook



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