Virtual Services???

[Russell Scibetti]

There is a plugin I contributed, that I believe now has the name 
check_remote_nagios_status.pl, or something like that.  What you can do 
is set up each service with a common name (i.e. virual-a, virutal-b, 
etc) and then add a check with the check_remote_nagios_status plugin. 
 You can tell it to group service together by common service name, 
common host name, or pattern.  It can also handle acknowledgements, 
downtimes, etc.  The plugin runs local on a machine with Nagios running 
(it was renamed to _remote_  because it can be used by 1 nagios instance 
to get the status of another instance, over SSH, nrpe, etc).

Russell Scibetti

Thomas Nilsen wrote:

> Maybe a host/service dependency setup could help you here...
>
>  
>
> Have a look at 
> http://nagios.sourceforge.net/docs/1_0/dependencies.html  and
>
>     -----Original Message-----
>     From: Miguel A. Torres [mailto:matorres at prisacom.com]
>     Sent: Friday, May 09, 2003 6:35 PM
>     To: Jason Lancaster; nagios-users at lists.sourceforge.net
>     Subject: RE: [Nagios-users] Virtual Services???
>
>     Hello Jason,
>
>      
>
>     Thanks for your quickly answer. I think that you don't undertand
>     what I mean by a "virtual service". I`m try to explain it
>     better with a example:
>
>      
>
>     I have 3 servers with apache:
>
>      
>
>     define host{
>       host_name server 1
>
>       address 1.1.1.1
>     }
>
>        
>
>     define host{
>       host_name server2
>
>       address 1.1.1.2
>     }
>
>      
>
>     define host{
>       host_name server3
>
>       address 1.1.1.3
>     }
>
>      ========================
>
>     define  service{
>       host_name server 1
>
>       service_description HTTP check
>
>     }
>
>      
>
>     define  service{
>       host_name server2
>
>       service_description HTTP check
>
>     }
>
>        
>
>     define service{
>       host_name server3
>
>       service_description HTTP check
>
>     }
>
>      
>
>     These services are in diferent hosts and serve the same URL's,
>     they are in balancing. Now I want to define a "virtual host" that
>     group these 3 services. The "virtual host" should be configured
>     with this rules:
>
>      
>
>         - If only one web server turn to critical state ------> OK
>
>         - If more than one server turn to critical state ------> WARNING
>
>         - If all de web servers turn to critical state ---------->
>     CRITICAL
>
>      
>
>     I don`t know how to configure the "virtual host" and if it is
>     possible. Note: The "virtual hosts" should not be associated to a
>     host (if it was possible)
>
>      
>
>     Do you understand what I mean by virtual host now??
>
>      
>
>     thanks a lot.
>
>      
>
>      
>
>      
>
>       -----Mensaje original-----
>     De: Jason Lancaster [mailto:jlancaster at affinity.com]
>     Enviado el: viernes, 09 de mayo de 2003 17:47
>     Para: Miguel A. Torres; nagios-users at lists.sourceforge.net
>     Asunto: Re: [Nagios-users] Virtual Services???
>
>         I'm not really understanding what you mean by a virtual
>         service. What I was able to get out of this email was that you
>         want to define a service such as check_http to check the same
>         "host" multiple times, for example:
>
>          
>
>         define service{
>
>             host_name www.domain.com <http://www.domain.com>
>             service_description HTTP check
>
>         }
>
>          
>
>         ...but have this issue it's results to more than one host. If
>         you try and define that service to check host www.domain.com
>         <http://www.domain.com> twice, you will get an error.
>         Therefore, you need 2 hosts defined in your hosts.cfg like:
>
>          
>
>         define host{
>           host_name www.domain.com.internal
>         <http://www.domain.com.internal>
>           address 127.0.0.1
>         }
>
>          
>
>         define host{
>           host_name www.domain.com.virtual
>         <http://www.domain.com.virtual>
>           address 127.0.0.1
>         }
>
>          
>
>         Then define a service to check_http for each of these hosts,
>         and you'll be ok. Just make sure check_http uses the ip
>         address and not the hostname.
>
>          
>
>         define service{
>
>             host_name www.domain.com.internal
>         <http://www.domain.com.internal>
>             service_description HTTP check
>
>         }
>
>          
>
>         define service{
>
>             host_name www.domain.com.virtual
>         <http://www.domain.com.virtual>
>             service_description HTTP check
>
>         }
>
>          
>
>         Hope this helps!
>
>          
>
>         -Jason
>
>             ----- Original Message -----
>
>             From: Miguel A. Torres <mailto:matorres at prisacom.com>
>
>             To: nagios-users at lists.sourceforge.net
>             <mailto:nagios-users at lists.sourceforge.net>
>
>             Sent: Friday, May 09, 2003 10:40
>
>             Subject: [Nagios-users] Virtual Services???
>
>
>             Hello,
>
>             I'm configuring nagios to monitoring a lot of services. I
>             need to group many services in a "Virtual service" who it
>             is not associated to a host. For example:
>
>             I have 3 machines with webs servers, so I have configured
>             3 independent services associated with it`s respective
>             host. Now I want to configure a "virtual service" who
>             include those 3 services. I have been reading all the
>             documentation for nagios and I don`t find how can I make it.
>
>             My question is:    Is it possible with nagios?
>
>             Thanks and excuse my poor english.
>
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-- 
Russell Scibetti
Quadrix Solutions, Inc.
http://www.quadrix.com
(732) 235-2335, ext. 7038


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