Merge "Add support for encrypting backend Keystone HAProxy traffic"

ansible/certificates.yml

ansible/group_vars/all.yml

ansible/inventory/all-in-one

ansible/inventory/multinode

ansible/roles/certificates/defaults/main.yml

ansible/roles/certificates/tasks/generate.yml

...roles/certificates/templates/openssl-kolla-backend.cnf.j2

ansible/roles/haproxy-config/defaults/main.yml

...oxy-config/templates/haproxy_single_service_listen.cfg.j2

...roxy-config/templates/haproxy_single_service_split.cfg.j2

ansible/roles/haproxy/tasks/config.yml

ansible/roles/haproxy/templates/haproxy_main.cfg.j2

ansible/roles/keystone/defaults/main.yml

ansible/roles/keystone/tasks/config.yml

ansible/roles/keystone/tasks/copy-certs.yml

ansible/roles/keystone/templates/keystone.json.j2

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

ansible/roles/service-cert-copy/tasks/main.yml

doc/source/admin/advanced-configuration.rst

etc/kolla/globals.yml