Jira (FACT-769) Add ability to filter facts

Alan Evans (Jira) Fri, 20 May 2022 16:50:06 -0700

Title: Message Title

Alan Evans commented on

TL;DR
Do the built-in fact resolutions have a "names" in Facter 3.x? If so I think we could use Facter.fact(:foo).resolution('bar') to solve this problem but I can't figure out if/what the names of the core fact resolvers are.

Side note: The method Facter.core_value() is interesting. But I think it's in Facter 4.x (still using 3.x) and it's private so it might be rude to use it.

Background

I am running into the same problem described in the original post. I have nodes running containers and the mountpoints fact on these nodes is quite large. (Additionally I have some DB boxes w/ lots and lots of multipath devices that are also unnecessary) so I started looking at this. It seemed straight forward based on this article I would just "be clever" and do something like:

Facter.add(:mountpoints) do

  has_weight 100

  setcode do

    Facter.value(:mountpoints).reject{|k,v| v['filesystem'] == 'overlay'}

end

end

But alas the devs have thought of that. (And reasonably so.)
2022-05-20 16:35:07.738257 ERROR puppetlabs.facter - error while resolving custom fact "mountpoints": cycle detected while requesting value of fact "mountpoints"
What's in a name?

In inspecting Facter::Util::Fact and looking at the Facter 3.x source I found the resolver() method which looks like it might be a way to get the value from the built-in filesystem_resolver w/o triggering the loop detection in the value() method, I just can't work out what the names of these resolvers are.

Add Comment

This message was sent by Atlassian Jira

--
You received this message because you are subscribed to the Google Groups "Puppet Bugs" group.
To unsubscribe from this group and stop receiving emails from it, send an email to [email protected].
To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-bugs/JIRA.61937.1418924889000.34682.1653090600062%40Atlassian.JIRA.

Jira (FACT-769) Add ability to filter facts

Reply via email to