acceptance: bump to Liberty release

Upgrade acceptance manifest from Kilo (stable) to Liberty (dev)
on both Ubuntu Trusty & Centos7.

Change-Id: I9e2da19afa5ed5d88715e7c91ee7d667886b9637
Co-Authored-By: Lukas Bezdicka <lbezdick@redhat.com>
Depends-On: I7c1f31b3cc4c6ea1f894a263a8cff60e357accb8

spec/acceptance/basic_glance_spec.rb

@@ -12,14 +12,28 @@ describe 'glance class' do
       case $::osfamily {
         'Debian': {
           include ::apt
-          class { '::openstack_extras::repo::debian::ubuntu':
-            release         => 'kilo',
-            package_require => true,
+          apt::ppa { 'ppa:ubuntu-cloud-archive/liberty-staging':
+            # it's false by default in 2.x series but true in 1.8.x
+            package_manage => false,
           }
+          Exec['apt_update'] -> Package<||>
         }
         'RedHat': {
           class { '::openstack_extras::repo::redhat::redhat':
-            release => 'kilo',
+            manage_rdo => false,
+            repo_hash => {
+              # we need kilo repo to be installed for dependencies
+              'rdo-kilo' => {
+                'baseurl' => 'https://repos.fedorapeople.org/repos/openstack/openstack-kilo/el7/',
+                'descr'   => 'RDO kilo',
+                'gpgcheck' => 'no',
+              },
+              'rdo-liberty' => {
+                'baseurl'  => 'http://trunk.rdoproject.org/centos7/current/',
+                'descr'    => 'RDO trunk',
+                'gpgcheck' => 'no',
+              },
+            },
           }
           package { 'openstack-selinux': ensure => 'latest' }
         }