Merge "Convert to pymysql"

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

ansible/roles/glance/templates/glance-api.conf.j2

ansible/roles/glance/templates/glance-registry.conf.j2

ansible/roles/heat/templates/heat.conf.j2

ansible/roles/ironic/templates/ironic.conf.j2

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

ansible/roles/magnum/templates/magnum.conf.j2

ansible/roles/murano/templates/murano.conf.j2

ansible/roles/neutron/templates/neutron.conf.j2

ansible/roles/nova/templates/nova.conf.j2

docker/openstack-base/Dockerfile.j2