(PA-5721) Add support for puppet8

AIX 7.1 is not supported in puppet8 and will be removed from puppet7 in the near
future.

Author: joshcooper

manifests/osfamily/aix.pp

@@ -24,14 +24,19 @@
   #     * AIX version 7.1 < aix-7.1-power package
   #     * AIX version 7.2 < aix-7.1-power package
   #
+  # puppet 8:
+  #     * AIX version 7.2 < aix-7.2-power package
+  #
   # All other versions will now _only_ use the aix-7.1-power packages (i.e. we now only ship
   # one package to support all aix versions).
   #
   # The following will update the aix_ver_number variable to identify which package to install based
   # on puppet collection, package version and AIX version.
   $_aix_ver_number = regsubst($::platform_tag,'aix-(\d+\.\d+)-power','\1')
   if $_aix_ver_number {
-    if $::puppet_agent::collection =~ /^puppet7/ {
+    if $::puppet_agent::collection =~ /^puppet8/ {
+      $aix_ver_number = '7.2'
+    } elsif $::puppet_agent::collection =~ /^puppet7/ {
       $aix_ver_number = '7.1'
     } else {
       # 6.19.1 is the last puppet6 release that ships AIX 6.1 packages

spec/classes/puppet_agent_osfamily_aix_spec.rb

@@ -129,6 +129,23 @@
     end
   end
 
+  context 'with a puppet8 collection' do
+    context 'with versions greater than or equal to 8.0.0' do
+      let(:params) do
+        {
+          package_version: '8.0.0',
+          collection: 'puppet8',
+        }
+      end
+
+      [['7.2', '7.2', '7']].each do |aixver, pkg_aixver, powerver|
+        context "aix #{aixver}" do
+          include_examples 'aix', aixver, pkg_aixver, powerver
+        end
+      end
+    end
+  end
+
   context 'with package_version auto' do
     let(:params) do
       {