On Dec 22 2011, 8:59 am, Walter Heck <walterh...@gmail.com> wrote:
> Just to make sure I fully understand this subject, could some provide a
> little meta-example of what node variables and dynamic scoping are? I'm
> sure I'm not the only one unsure here :)
Sorry for the delay, I was out of touch over the holiday.
"Node variables" are variables declared within node blocks, like so:
node 'example1' {
$variable = 'foo'
}
or
node 'example2' {
if $random_fact {
$variable = 'foo'
}
}
You can find an explanation of dynamic scoping here:
http://docs.puppetlabs.com/guides/language_guide.html#variables.
There is also a brief summary here:
http://docs.puppetlabs.com/guides/scope_and_puppet.html.
The topic arises fairly frequently in this group, too, so searching
the group archives might yield some useful tidbits.
Unlike all other Puppet variables, node variables do not have
qualified names, therefore it is only by dynamic name lookup that they
can be referenced from outside their local scope (i.e. outside the
node definition in which they appear).
John
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