Re: dealing with multiple domains

[Mark . Burgess]

Domains are usually bounded by IP address ranges. That is one way.

M

On 10 Feb, Luke A. Kanies wrote:
> Hi all,
> 
> How are people dealing with multiple domains in cfengine?  I obviously
> can't just set it in the file, since it changes per-host, and I definitely
> don't want to have to configure lists in cfengine as to which machine is
> in which domain; I've already got that information stored on the machine,
> so I want cfengine to discover it.
> 
> I didn't realize it, but I have not set the domain names up on all my
> systems except in /etc/resolv.conf, so I can't just call /bin/domainname.
> I figured I could pretty easily just call 'domainname', see if it's set,
> and if not, pull the domain out of /etc/resolv.conf and set everything up
> appropriately:
> 
> control:
> 
>    Access               = ( root )     # Only root should run this
> 
>    tmpdomain            = ( ExecResult(/bin/domainname) )
> 
> groups:
>    domainset            = ( IsDefined(tmpdomain) )
> 
> control:
>    actionsequence = ( shellcommands.echodomain )
>    !domainset::
>       actionsequence = ( shellcommands.setdomain )
> 
> shellcommands:
>    echodomain::
>       "/bin/echo [$$] --${tmpdomain}--"
>    setdomain::
>       "/usr/local/scripts/setdomain"
> 
> # okay, everything back to normal...
> # all that, just to figure out which domain we're in
> control:
>    domain               = ( ${tmpdomain} )
> 
> 
> Except this doesn't work.  'domainset' always gets defined, no matter what
> I do, apparently, and the shellcommand to echo the domain doesn't actually
> echo anything; in fact, the line echoed ends after the first two '-'
> characters; I should get '----' but I get '--'.
> 
> Does anyone else use multiple domains?  How?  I really want cfengine to
> just be able to discover which domain my hosts are in, rather than me
> having to set it, but it seems to be quite difficult.
> 
> Thanks,
> Luke
> 



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