On Oct 7, 2008, at 2:35 PM, Martin Englund wrote:
> Gang,
>
> how do I force facter to calculate a fact value each time it asked for
> instead of at startup? (see facter feature #1424 for the details)
Basically, you just need to have the calculation portion of the code
done inside the block used for Fact creation.
I can't get access to the code because github is too damned slow, but
basically, you want to create a chunk of code (module or class) that
knows how to collect the appropriate information, and then call some
method on that class or whatever within your fact.
E.g., here's an example of how to do it:
# in lib/facter/mystuff.rb
module Facter::Mystuff
def self.discover_value(name)
...some code...
end
end
Facter.add(:mystuff) do
setcode { Facter::Mystuff.discover_value(:mystuff) }
end
You don't want to ever just set a value:
value = Facter::Mystuff.discover_value(:mystuff)
Facter.add(:mystuff) do
setcode value # This is wrong
end
Make sense?
--
I used to get high on life but lately I've built up a resistance.
---------------------------------------------------------------------
Luke Kanies | http://reductivelabs.com | http://madstop.com
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