Replace hardcoded CentOS version with fact

Changes the hardcoded CentOS version with
using the major OS release fact.

Change-Id: Id04670b11fb16270bc6e3e220dd0d80086df90e4

manifests/repo/redhat/redhat.pp

@@ -100,7 +100,7 @@ class openstack_extras::repo::redhat::redhat(
 
     $rdo_hash = {
       'rdo-release' => {
-        'baseurl'  => "${centos_mirror_url}/centos/7/cloud/\$basearch/openstack-${release}/",
+        'baseurl'  => "${centos_mirror_url}/centos/${::os['release']['major']}/cloud/\$basearch/openstack-${release}/",
         'descr'    => "OpenStack ${release_cap} Repository",
         'gpgkey'   => 'file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Cloud',
       }
@@ -116,10 +116,18 @@ class openstack_extras::repo::redhat::redhat(
   }
 
   if $manage_virt and ($::operatingsystem != 'Fedora') {
+    $os_major = $::os['release']['major']
+
+    if Integer.new($os_major) >= 8 {
+      $virt_baseurl = "${centos_mirror_url}/centos/${os_major}/virt/\$basearch/advanced-virtualization/"
+    } else {
+      $virt_baseurl = "${centos_mirror_url}/centos/${os_major}/virt/\$basearch/kvm-common/"
+    }
+
     $virt_hash = {
       'rdo-qemu-ev' => {
-        'baseurl'  => "${centos_mirror_url}/centos/7/virt/\$basearch/kvm-common/",
+        'baseurl'  => $virt_baseurl,
-        'descr'    => 'RDO CentOS-7 - QEMU EV',
+        'descr'    => "RDO CentOS-${$os_major} - QEMU EV",
         'gpgkey'   => 'file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Virtualization',
       }
     }

spec/classes/openstack_extras_repo_redhat_redhat_spec.rb

@@ -88,6 +88,27 @@ describe 'openstack_extras::repo::redhat::redhat' do
       it { should_not contain_yumrepo('epel') }
     end
 
+    context 'with major release 8 or later and virt repo enabled' do
+      let :params do
+        default_params.merge!( :manage_virt => true )
+      end
+
+      before do
+        facts.merge!( :os => {'release' => {'major' => 8}} )
+      end
+
+      it { should contain_yumrepo('rdo-qemu-ev').with(
+        :baseurl    => "http://mirror.centos.org/centos/8/virt/$basearch/advanced-virtualization/",
+        :descr      => 'RDO CentOS-8 - QEMU EV',
+        :gpgkey     => 'file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-Virtualization',
+        :enabled    => '1',
+        :gpgcheck   => '1',
+        :mirrorlist => 'absent',
+        :require    => 'Anchor[openstack_extras_redhat]',
+        :notify     => 'Exec[yum_refresh]'
+      )}
+    end
+
     context 'with overridden release' do
       let :params do
         default_params.merge!({ :release => 'juno' })
@@ -248,6 +269,7 @@ describe 'openstack_extras::repo::redhat::redhat' do
         facts.merge!(OSDefaults.get_facts({ :operatingsystem           => 'RedHat',
                                             :operatingsystemrelease    => '7.1',
                                             :operatingsystemmajrelease => '7',
+                                            :os                        => {'release' => {'major' => '7'}},
                                             :puppetversion             => Puppet.version }))
       end