repo/redhat: install yum-plugin-priorities prior to Yumrepo

yum-plugin-priorities needs to be installed before installing any
package, otherwise if we install it after having repos in place, it
becomes useless.

This patch makes sure we install yum-plugin-priorities before any
Yumrepo resource, so we make sure that Yum priorities will be addressed
correctly.

Change-Id: If99af9b7fd90b1408747a4be874aebeb05dfb2d6

manifests/repo/redhat/redhat.pp

@@ -87,12 +87,6 @@ class openstack_extras::repo::redhat::redhat(
 
   anchor { 'openstack_extras_redhat': }
 
-  if $manage_priorities {
-    package { 'yum-plugin-priorities':
-        ensure => 'present',
-    }
-  }
-
   if $manage_rdo {
     $release_cap = capitalize($release)
 
@@ -155,6 +149,17 @@ class openstack_extras::repo::redhat::redhat(
       resources { 'yumrepo': purge => true }
   }
 
+  if $manage_priorities {
+    exec { 'installing_yum-plugin-priorities':
+      command   => '/usr/bin/yum install -y yum-plugin-priorities',
+      logoutput => 'on_failure',
+      tries     => 3,
+      try_sleep => 1,
+      unless    => '/usr/bin/rpm -qa | /usr/bin/grep -q yum-plugin-priorities',
+    }
+    Exec['installing_yum-plugin-priorities'] -> Yumrepo<||>
+  }
+
   if $package_require {
       Yumrepo<||> -> Package<||>
   }

spec/classes/openstack_extras_repo_redhat_redhat_spec.rb

@@ -61,9 +61,13 @@ describe 'openstack_extras::repo::redhat::redhat' do
         :notify     => "Exec[yum_refresh]"
       )}
 
-      it { is_expected.to contain_package('yum-plugin-priorities').with(
+      it { is_expected.to contain_exec('installing_yum-plugin-priorities').with(
-        :ensure => 'present',
+        :command   => '/usr/bin/yum install -y yum-plugin-priorities',
-      )}
+        :logoutput => 'on_failure',
+        :tries     => 3,
+        :try_sleep => 1,
+        :unless    => '/usr/bin/rpm -qa | /usr/bin/grep -q yum-plugin-priorities',
+      ) }
 
       # 'metalink' property is supported from Puppet 3.5
       if Puppet.version.to_f >= 3.5
@@ -209,7 +213,7 @@ describe 'openstack_extras::repo::redhat::redhat' do
         default_params.merge!({ :manage_priorities => false })
       end
 
-      it { is_expected.to_not contain_package('yum-plugin-priorities') }
+      it { is_expected.to_not contain_exec('installing_yum-plugin-priorities') }
     end
   end
 end