+RUN pip install \
+ -chttps://opendev.org/openstack/requirements/raw/branch/$OPENSTACK_TAG/upper-constraints.txt \
+ -chttps://git.opnfv.org/yardstick/plain/upper-constraints.txt?h=$BRANCH \
+ appdirs==1.4.0 pyopenssl==17.5.0 openstacksdk==0.11.3 python-heatclient==1.14.0