Re: wishlist item

[Mark . Burgess]

This doesn't seem terribly useful, since the class you define
is longer than the combination of the classes that define it. 
Why not just do:

 64_bit.clients::

    relevant actions ?
    
M


On 23 May, Akop Pogosian wrote:
> I am finding myself running into this limitation pretty often. The
> classes that get defined by custom modules are defined only after
> cfengine has parsed the groups section of the configuration file.
> Because of this, it is not possible to derive new classes from
> compound classes some of which might have been defined by the modules.
> I need such classes to be defined because some scripts that I call
> from cfengine depend on such classes being defined because these
> scripts don't have their own logic to combine cfengine classes.
> 
> For example, I would like to define a class ipf_3_4_31_64_bit only if
> class 64_bit is defined. Since I am using a module script to set/unset
> classes 32_bit/64_bit, I am unable to put something like this in the
> group file:
> 
> ipf_3_4_31_64_bit = ( 64_bit.clients )
> 
> I used to work around this limitation by adding
> "shellcommands.classdefs" in action sequence right after executing all
> modules. The shellcommands section would look like this:
> 
> shellcommands:
>       classdefs.clients.64_bit::
>               "/bin/true"
>               define=ipf_3_4_31_64_bit
> 
> However, this stopped working when I tried to define more than one
> class this way because cfengine thinks that not enough time has
> elapsed since "/bin/true" has been executed the first time. I found a
> workaround for this by using "/bin/true a", "/bin/true b", etc.
> However, this looks like a kludge to me. It seems to be that it would
> be useful to be able to tell cfengine whether to run certain modules
> before or after groups section has been parsed (but certainly, in any
> case, they need to run after commands from update.conf have been
> executed to give the update.conf the opportunity to get a fresh copy
> of script modules before they get to run).
> 
> -akop
> 
> 
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> Help-cfengine@gnu.org
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