Merge "Implement IPv6 support in the control plane"

ansible/filter_plugins/address.py

ansible/group_vars/all.yml

ansible/roles/aodh/defaults/main.yml

ansible/roles/aodh/templates/aodh.conf.j2

ansible/roles/aodh/templates/wsgi-aodh.conf.j2

ansible/roles/barbican/defaults/main.yml

ansible/roles/barbican/templates/barbican-api.ini.j2

ansible/roles/barbican/templates/barbican.conf.j2

ansible/roles/baremetal/tasks/pre-install.yml

ansible/roles/blazar/defaults/main.yml

ansible/roles/blazar/templates/blazar.conf.j2

ansible/roles/ceilometer/templates/ceilometer.conf.j2

ansible/roles/ceph/defaults/main.yml

ansible/roles/ceph/tasks/upgrade.yml

ansible/roles/ceph/templates/ceph-mon.json.j2

ansible/roles/ceph/templates/ceph-osd.json.j2

ansible/roles/ceph/templates/ceph.conf.j2

ansible/roles/cinder/defaults/main.yml

ansible/roles/cinder/templates/cinder-wsgi.conf.j2

ansible/roles/cinder/templates/cinder.conf.j2