rmdir --ignore-fail-on-non-empty /etc/ceilometer || true
rmdir --ignore-fail-on-non-empty /var/lib/nova/cache || true
rmdir --ignore-fail-on-non-empty /var/lib/nova || true
rmdir --ignore-fail-on-non-empty /var/log/nova || true
rmdir --ignore-fail-on-non-empty /etc/ceilometer || true
rmdir --ignore-fail-on-non-empty /var/lib/nova/cache || true
rmdir --ignore-fail-on-non-empty /var/lib/nova || true
rmdir --ignore-fail-on-non-empty /var/log/nova || true