On 02/06/2012 02:27 PM, Lisa Sittler wrote:
> Say I have a defined classes which contains hosts which I simply name as
> such:
>
>
>
> classes:
>
> "agents" or => { "agent01" , "agent02" , "agent03" };
>
> "master" or => { "master01" };
>
>
>
> Let's say I want to create a class which contains both classes:
>
>
>
> "agents_and_master" or => { "agent01" , "agent02" ,
> "agent03" , "master01" };
>
Instead of listing all the classes again I believe you could do
"agent_or_master" or => {"agents", "master"};
>
> Is there a way to create a class which contains multiple other classes?
>
>
>
> In this case I am only dealing with two classes, so I could use an OR
> expression, when selecting the hosts I want, eg.
>
>
>
> files:
>
> agents|master::
>
>
>
> But it seems to me that OR will not work with more than two choices and
> in reality I want to merge more than two classes. I guess I could use
> an AND in that case?
>
>
>
> files:
>
>
>
> agents.master.other::
This would require that agents, master, and other classes all be defined
in order to apply the policy. That probably isn't what you wanted. You
could do that with ors, I dont see why OR should not work with more than
two choices.
> But my question still stands.
>
>
>
> And I would like to do something fancier than naming all the hosts in a
> class. Something like:
>
>
>
> "agents" expression => regcmp( "ag.*" , "${sys.host}");
>
>
>
> but I have two hosts that would match that expression and I want to
> exclude them. Let's say they are agent041 and agent042.
In that case I think you would just want your regex to not match
agent041 and agent042.
you could also just exclude those agents when do the class matching for
the promise too.
agents.!(agent041|agent042)::
I havent tested that, but I think it would work.
--
Nick Anderson <[email protected]>
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