Greetings,
I was just reading this thread "Early clean exit from module?"
[1]<https://groups.google.com/d/msg/puppet-users/2b1NB5wJsbM/F0HcnaYmK8YJ>on
the idea of having an alternative to the fail function. I believe that
like the OP of that post, I am looking to replace modules usage of the fail
function when choosing to bail on the puppet run for some reasonable cause.
For example:
case $::operatingsystem {
> 'Solaris': {
> fail("Unsupported platform: ${::operatingsystem}")
> }
>
I am hoping to discover a means bail on the module but not on the entire
puppet run. Consider this use case...
1. Using Foreman as an ENC, node classifications are defined by host
group and at the node level.
2. Host groups are useful because they can identify groups of similar
systems.
3. Suppose I have a host group for Virtual Machines, this group requires
that all its nodes use Razorsedge/puppet-vmwaretools
[2]<https://github.com/razorsedge/puppet-vmwaretools>.
4. A new customer determines the need to run a platform like Solaris,
which is unsupported by the puppet module.
5. Options -
1. Within Foreman, redefine host group classifications, and host
memberships to create a VMWare group just for the 1 off platform.
2. Fork the module and devote time to add platform support to the
module.
3. Fork the module and notify/warn but quit processing module instead
of fail/bail on the puppet run.
4. Fork the module and wrap the entire module in a conditional to
avoid unsupported platforms.
The Razorsedge module is well crafted, and does a gigantic conditional to
avoid all hosts that do not have the fact virtual = vmware set. Seems like
a much better means of accomplishing this would be...
case $::operatingsystem {
> 'Solaris': {
> quit_nicely_and_continue_puppet_run("Unsupported platform:
> ${::operatingsystem}")
> }
>
I understand the arguments about being declarative, but if I can declare
myself a failure, shouldn't I also be able to declare myself a success,
even if in reality, I'm still a failure?
Thanks,
P.S. Ok, that last bit was far too personal. :)
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