Quoting jcbollinger <john.bollin...@stjude.org> on Fri, Apr 29 06:27: > > This sort of thing is Hiera's bread & butter.
Awesome, and the second recommendation for Hiera. We're already using Hiera
for other stuff (mostly defining users and groups) so this should be a
pretty small addition.
Thanks for the detailed write-up, makes the implementation look pretty
straight forward.
> That would be a home run if you were already using parameterized
> classes and automated data binding,
I have a fairly extensive programming and sysadmin background, but am
still relatively new to Puppet. I inherited a pretty big setup that
started in the 0.x Puppet era and has evolved over time. Let me see if I
can parameterized ucdpuppet::kerberos::config:
class ucdpuppet::kerberos::config ($source =
$ucdpuppet::kerberos::params::krb5_source)
inherits ucdpuppet::kerberos::params {
file { $ucdpuppet::kerberos::params::krb5_conf_path: source =>
"puppet:///modules/ucdpuppet/kerberos/$source" }
}
Then in nodes/%{::trusted.certname}.yaml for any host that needs to
override the default in ucdpuppet::kerberos::params, I put:
ucdpuppet::kerberos::params::krb5_source: "krb5.conf.special"
> Note that the code you present appears to be using class inheritance
> needlessly, and therefore inappropriately. There are only two good reasons
> for using class inheritance in Puppet:
>
> 1. To perform resource overrides on resources declared by the parent
> class (or by a more distant ancestor)
> 2. To ensure that class variables of the parent class are available for
> use as class parameter defaults in the child class.
Like I said, inherited code base that started in the 0.x era, but given
the way I re-wrote ucdpuppet::kerberos::config above it looks like I fall
under 2).
Hmmm, looking it over it seems like I could do:
class ucdpuppet::kerberos::config {
include ucdpuppet::kerberos::params
file { $ucdpuppet::kerberos::params::krb5_conf_path: source =>
"puppet:///modules/ucdpuppet/kerberos/${ucdpuppet::kerberos::params::krb5_source}"}
}
Will ADB kick in for that one, or does it only apply for class parameters?
Thanks!
--
Omen Wild
Systems Administrator
Metro Cluster
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