Hi Eirik,
Facter 4 is the successor of Facter 3. Facter 3 was written in C++, and
Facter 4 is implemented from scratch in Ruby.
Facter 4 is a "big deal" :D because:
- it aim for 100% compatibility with Facter 3
- as Facter 4 is written in Ruby, it is packaged as a Gem and can replace
Facter 2.x in many CI tests that were not using Facter 3 because it was not
packaged as a Gem.
- although our most important target is to reach compatibility with Facter
3, we already added new features like:
- granular fact blocking and caching (you are able
to cache/block almost any fact, from any level of the hierarchy);
- custom fact groups can be defined in facter.conf.
You can use these groups to cache or block all the facts in the specific
group;
- structured facts, in custom facts. You are able
to write custom facts with dot in their name and Facter 4 will
automatically create the hierarchy for you.
Facter 4 is already provided as a gem <https://rubygems.org/gems/facter> on
Rubygems and is intended to replace Facter 2.x in most deployment. If you
are using the latest puppet as a gem <https://rubygems.org/gems/puppet>,
then you are already using Facter 4 :)
Facter 4 is also packaged with puppet-agent AIO and can be enabled via a
feature flag `puppet config set facterng true`. As we are still under
development we recommend that the feature flag be enabled only for testing
purposes and *not* for production.
And, you are not blind :D, currently there is no documentation for Facter
4, except the changelog
<https://github.com/puppetlabs/facter/blob/4.x/CHANGELOG.md>. We will
provide more details once Facter 4 is ready to fully replace Facter 3.
Best regards,
Bogdan Irimie
On Thursday, June 25, 2020 at 10:44:06 AM UTC+3 [email protected] wrote:
> Hi,
>
> I've trying since the initial Facter 4 release to find information on how
> I can use it - with Puppet, specifically. Is that documented anywhere? It
> would also be useful to know what "the big deal" with Facter 4 is. This is
> also something that was referenced in previous announcements here but I
> have not been able to find anything substantial on that. Am I blind? :)
>
> /Eirik
>
> On 6/25/20 9:28 AM, Florin Dragos wrote:
> > Hello,
> >
> > The Facter team is happy to announce the release of *Facter 4.0.27 <
> https://rubygems.org/gems/facter/versions/4.0.27>.*
> > *
> > *
> > Here is what changed:
> >
> >
> > New features
> >
> > * Networking facts for OSX #1929 <
> https://github.com/puppetlabs/facter/pull/1929>
> > * FreeBSD disks and partitions facts #553 <
> https://github.com/puppetlabs/facter-ng/pull/553>
> > * Use puppet AIO VERSION file to specify AIO version #549 <
> https://github.com/puppetlabs/facter-ng/pull/549>
> > * EC2 facts for Windows #546 <
> https://github.com/puppetlabs/facter-ng/pull/546>
> > * EC2 facts for Linux #544 <
> https://github.com/puppetlabs/facter-ng/pull/544>
> > * External facts cache #541 <
> https://github.com/puppetlabs/facter-ng/pull/541>
> > * Support for processors facts on *BSD #489 <
> https://github.com/puppetlabs/facter-ng/pull/489>
> >
> >
> > <https://github.com/puppetlabs/facter/blob/4.x/CHANGELOG.md#fixed>Bug
> fixes
> >
> > * Networking fact on linux should have logic for selecting IPs #1928 <
> https://github.com/puppetlabs/facter/pull/1928>
> > * Facter sometimes pollutes the calling processes environment (race
> condition) #1932 <https://github.com/puppetlabs/facter/pull/1932>
> >
> >
> > Feel free to reach out onslack <
> https://puppetcommunity.slack.com/archives/C0W1X7ZAL>or open a ticket
> onhttps://tickets.puppetlabs.com/projects/FACTwith facter-nglabel. Or,
> evenbetter, open a PR on the facter <https://github.com/puppetlabs/facter>
> repository, targeting the 4.x branch.
> >
> > Best regards,
> > Florin Dragos
> >
> > --
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> <
> https://groups.google.com/d/msgid/puppet-users/CAAkyxch%3Dd%3DyTTKFKDAsckoLAY%2B73sb6QSWZx8fMUfXEsSE88eA%40mail.gmail.com?utm_medium=email&utm_source=footer
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