Parser Functions using legacy facts

[smoeding]

Describe the Bug

The two functions has_interface_with and fqdn_rotate do not work correctly when running the Puppet Agent with the --no-include_legacy_facts option that seems to be the default in Puppet 8.

• has_interface_with uses lookupvar(interfaces) which is no longer available
• fqdn_rotate calls lookupvar(::fqdn) which is also no longer available

Expected Behavior

Both functions should work as before.

Environment

• Version 7.24.0 with option --no_include_legacy_facts
• Platform Debian-11

[alexjfisher]

Half fixed in #1326

[alexjfisher]

Remaining half of the issue fixed in #1341