Merge "Reduce the use of SQLAlchemy connection pooling"

ansible/group_vars/all.yml

ansible/roles/aodh/templates/aodh.conf.j2

ansible/roles/blazar/templates/blazar.conf.j2

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

ansible/roles/cloudkitty/templates/cloudkitty.conf.j2

ansible/roles/cyborg/templates/cyborg.conf.j2

ansible/roles/freezer/templates/freezer.conf.j2

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

ansible/roles/gnocchi/templates/gnocchi.conf.j2

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

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

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

ansible/roles/karbor/templates/karbor.conf.j2

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

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

ansible/roles/manila/templates/manila.conf.j2

ansible/roles/masakari/templates/masakari.conf.j2

ansible/roles/mistral/templates/mistral.conf.j2

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

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