Add openstackclient bash completion

Add bash completion in utility container.

Depends-On: I70059d1b0f9eb774519420b14239ab7e3081e7eb
Change-Id: I30b520986cff0eef4d7f9b08eb24cb41be6b587d
(cherry picked from commit d90e74350d)

inventory/group_vars/utility_all.yml

@@ -29,6 +29,7 @@ utility_venv_bin: "/openstack/venvs/utility-{{ openstack_release }}/bin"
 # Distribution packages to be installed into the utility container
 utility_distro_packages:
   - git
+  - bash-completion
 
 utility_distro_openstack_clients_packages:
   - python-keystoneclient

playbooks/utility-install.yml

@@ -146,3 +146,6 @@
             executable: /bin/bash
           with_items: "{{ _openstack_client_list }}"
 
+        - name: Create openstack client bash_completion script
+          shell: |
+             openstack complete > /etc/bash_completion.d/openstack_client