On 09.12.2009 11:44, Alexandre wrote:
> The use case i try to illustrate is when to declare some item (eq
> mysqld service) with a default configuration that could be included on
> every node (class stripdown in the example, for basenode), and still
> be able to override this same item in some specific class (eg
> mysql::server), to be included by specific nodes (eg myserver.local)
>
> I illustrated this use case with the example below. But of course,
> Puppet parsing fails because the Service[mysql] is included twice. And
> of course, class mysql::server
>
> Is there a way to override the Service["mysql"], or mark it as the
> main one, or whatever ?
> I was thinking about the virtual items and the realize function, but
> it only permits apply an item multiple times, not to redefine or
> override.
>
> class stripdown {
> service {"mysql": enable => "false", ensure => "stopped" }
> }
>
Not tested but it should be like
class stripdown {
include mysql::server
*S*ervice {"mysql": enable => "false", ensure => "stopped" }
}
Check the language tutorial for overriding. Note that is a big "S" not a
small "s".
Or you may do it the other way around. (Include stripdown into
mysql::server. (this probably the solution you want)
Or define a third skeleton class which starts with same bare
definitions, and the other two override them
Silviu
> class mysql::server {
> service { mysqld:
> enable => true,
> ensure => running,
> hasrestart => true,
> hasstatus => true,
> path => "/etc/init.d/mysql",
> require => Package["mysql-server"],
> }
> }
>
> node basenode {
> include stripdown
> }
>
> node myserver.local inherits basenode {
> include mysql::server #<- boom, fails here
> because of Service["mysql"] redefinition
> }
>
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