On Fri, May 21, 2010 at 1:15 AM, Ken Barber <k...@bob.sh> wrote:
> Douglas - what you are trying to do isn't supported in say 0.25.x
> without compromising. I think the discussion regarding you using
> external nodes is a waste of time - I'd rather divert the conversation
> instead talk about what you might want in an ideal world.
Ken, what I am trying to do is pretty simple in concept. We would like
to be able to update our node manifests programatically via scripts.
Parsing and updating the node manifest files is of course doable, but
not ideal. If all the node details were stored in a more standard
format, like yaml for example, and then some process was run to
convert the yaml files to node manifests, this would be great. Sounds
like external nodes doesn't it?
We have 10 instances of jboss running on each server (one per
customer), and we pass parameters back to the various modules by
calling definitions, like this:
elements::customer {
tfel0:
description => "Some Customer",
web_url => "https://somecustomer.com";,
ensure => running,
enable => true,
version_core => "1.17.17-1",
version_addons => "1.4-1",
db_host => $db_host,
db_port => $db_port,
db_name => $db_name,
db_user => "somecustomer_tfel",
db_pass => "password",
db_min_pool_size => "5",
db_max_pool_size => "10";
}
So, there are 10 blocks like that for each node. I don't think anyone
would argue that passing these parameters through definitions rather
than having literally hundreds of global variables is the wrong
choice. If we wanted to upgrade the software version for example, our
script would update the version_core variable in place, and then
trigger a puppet run on the node, thereby forcing an upgrade of the
RPM. We're doing this by hand right now.
So, as far as external nodes is concerned, it seems like we would be
forced to use hundreds of global variables. I'm at a loss as to why
the guys that wrote puppet didn't consider this.
That, is what I am trying to do.
Doug
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