Add possibility to change UCA repository

Instead of forcing 'updates' UCA repo, leaves possibility to the
operator to choose which UCA he wants for pulling packages

Change-Id: I3e47f8a8b280d1dfe29229e1f9905ad7c71c204d

manifests/repo/uca.pp

@@ -1,6 +1,7 @@
 # Ubuntu Cloud Archive repo (supports either Folsom or Grizzly)
 class openstack::repo::uca(
-  $release = 'grizzly'
+  $release = 'grizzly',
+  $repo    = 'updates'
 ) {
   if ($::operatingsystem == 'Ubuntu' and
       $::lsbdistdescription =~ /^.*LTS.*$/) {
@@ -8,7 +9,7 @@ class openstack::repo::uca(
 
     apt::source { 'ubuntu-cloud-archive':
       location          => 'http://ubuntu-cloud.archive.canonical.com/ubuntu',
-      release           => "${::lsbdistcodename}-updates/${release}",
+      release           => "${::lsbdistcodename}-${repo}/${release}",
       repos             => 'main',
       required_packages => 'ubuntu-cloud-keyring',
     }

spec/classes/openstack_repo_uca_spec.rb

@@ -0,0 +1,45 @@
+require 'spec_helper'
+
+describe 'openstack::repo::uca' do
+
+  describe 'Ubuntu with defaults' do
+
+    let :facts do
+      {
+        :osfamily               => 'Debian',
+        :operatingsystem        => 'Ubuntu',
+        :operatingsystemrelease => '12.04',
+        :lsbdistdescription     => 'Ubuntu 12.04.1 LTS',
+        :lsbdistcodename        => 'precise',
+      }
+    end
+    it do
+      should contain_apt__source('ubuntu-cloud-archive').with(
+        :release => 'precise-updates/grizzly'
+      )
+    end
+  end
+
+  describe 'Ubuntu and grizzly' do
+    let :params do
+      { :release => 'folsom', :repo => 'proposed' }
+    end
+
+    let :facts do
+      {
+        :osfamily               => 'Debian',
+        :operatingsystem        => 'Ubuntu',
+        :operatingsystemrelease => '12.04',
+        :lsbdistdescription     => 'Ubuntu 12.04.1 LTS',
+        :lsbdistcodename        => 'precise',
+      }
+    end
+
+    it do
+      should contain_apt__source('ubuntu-cloud-archive').with(
+        :release => 'precise-proposed/folsom'
+      )
+    end
+  end
+
+end