I am working on rspec tests for a module for Puppet 5 that refers to nodes'
$::trusted_facts hash, and, separately, relies on nodes' $::networking
fact. In particular it uses the values of $::networking['fqdn'] and
$::networking['hostname']. I would like to test scenarios where the
attributes of $::networking are unrelated to the node name, or even are
absent altogether, but I can't figure out how to do it.
Through a combination of documentation and trial and error, I think I have
determined that in order for rspec-puppet to provide the $::trusted_facts
hash to the catalog builder, I need to configure its trusted_node_data
parameter to true, and to define a node name in my tests via let(:node) {
'node-name' }.
After doing so, however, I found that the catalog builder was receiving
different values for the hostname and fqdn than those I specify via a
let(:facts) call. After much head scratching, hypothesizing, and net
searching, I think I finally established that by default, rspec-puppet uses
the node name to set values for these properties, overriding anything to
the contrary in the facts I provide.
But wait! Rspec-puppet also has a configuration parameter,
derive_node_facts_from_nodename, that seems custom-made for disabling the
troublesome behavior. That's great, except that setting that parameter to
false seems to disable the $::trusted_facts hash as well.
Is there some combination of rspec configuration settings and test code
that can give me the test scenarios I want? That is, $::trusted_facts
presented to the catalog builder and containing at least the certname key,
with $::networking['fqdn'] and $::networking['hostname'] taking independent
values (or being undefined), as I specify separately?
John
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