facter: unordered hashes lead to changes

[Guy Matz]

Hi!  I'm seeing the following at the end of my puppet run:

Notice: /Stage[main]/Mcollective::Server::Config::Factsource::Yaml/File[/etc/mcollective/facts.yaml]/content: 

--- /etc/mcollective/facts.yaml 2015-04-07 15:51:25.243758139 +0000

+++ /tmp/puppet-file20150407-6557-wl0qx7-0      2015-04-07 17:51:34.770285890 +0000

@@ -57,15 +57,15 @@

   operatingsystem: CentOS

   operatingsystemmajrelease: "6"

   operatingsystemrelease: "6.6"

-  os: familyRedHatreleasemajor6full6.6minor6nameCentOS

+  os: familyRedHatnameCentOSreleasefull6.6major6minor6

   osfamily: RedHat

-  partitions: sda1uuidced0932e-4636-4d8f-9c63-ea32b0dccf89size1024000filesystemext4mount/bootsda2size66082816filesystemLVM2_member

+  partitions: sda1mount/bootuuidced0932e-4636-4d8f-9c63-ea32b0dccf89size1024000filesystemext4sda2size66082816filesystemLVM2_member

os, partitions and a few others change each run . . .  checking a single fact shows that facter is returning an unordered has which changes on each invocation:

$ facter os

{"name"=>"CentOS", "family"=>"RedHat", "release"=>{"full"=>"6.6", "minor"=>"6", "major"=>"6"}}

$ facter os

{"family"=>"RedHat", "name"=>"CentOS", "release"=>{"full"=>"6.6", "major"=>"6", "minor"=>"6"}}

I don't remember this ever happening before . . .  what's up with that!?  Anyone know, off the top of their head, what might be causing this?

Thanks!

Guy

[Christopher Wood]

Sounds like this is set to true (over here I set it to false everywhere to take advantage of the non-string facts):

https://docs.puppetlabs.com/references/latest/configuration.html#stringifyfacts

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[Guy Matz]

Ahhh!!   The version of facter on my new servers is 2.4 . .   old servers have 1.7 . . .    anyone know how to get facter 2.x to stringify facts?  I've tried adding 'stringify_facts = true' to my puppet.conf, but that did not change behaviour . . .

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[jcbollinger]

On Tuesday, April 7, 2015 at 2:53:38 PM UTC-5, Guy Matz wrote:

Ahhh!!   The version of facter on my new servers is 2.4 . .   old servers have 1.7 . . .    anyone know how to get facter 2.x to stringify facts?  I've tried adding 'stringify_facts = true' to my puppet.conf, but that did not change behaviour . .

You have misunderstood.  The stringify_facts parameter (of Puppet) defaults to true, so if you were not configuring it explicitly then it was already true.  Christopher was suggesting that you set it to false.  This is an eminently reasonable thing to do even if you were not otherwise having any trouble, because this configuration parameter will be removed in Puppet 4 (the new behavior being to never stringify facts).

John

[Guy Matz]

I *did* misunderstand!  Thanks for pointing that out!  Much better now!

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