Merge pull request #132 from markgoddard/kolla-venv-u-c

Support upper constraints for kolla target virtual environment

ansible/kolla-target-venv.yml

@@ -31,6 +31,7 @@
             name: docker
             state: latest
             virtualenv: "{{ kolla_ansible_target_venv }}"
+            extra_args: "{% if kolla_upper_constraints_file %}-c {{ kolla_upper_constraints_file }}{% endif %}"
           become: True
 
         - name: Ensure kolla-ansible virtualenv has correct ownership