/usr/lib/one/ is in opennebula-flow 4.12.3+dfsg-3build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/one/oneflow/
/usr/lib/one/oneflow/config.ru
/usr/lib/one/oneflow/lib/
/usr/lib/one/oneflow/lib/LifeCycleManager.rb
/usr/lib/one/oneflow/lib/grammar.rb
/usr/lib/one/oneflow/lib/grammar.treetop
/usr/lib/one/oneflow/lib/log.rb
/usr/lib/one/oneflow/lib/models/
/usr/lib/one/oneflow/lib/models.rb
/usr/lib/one/oneflow/lib/models/role.rb
/usr/lib/one/oneflow/lib/models/service.rb
/usr/lib/one/oneflow/lib/models/service_pool.rb
/usr/lib/one/oneflow/lib/models/service_template.rb
/usr/lib/one/oneflow/lib/models/service_template_pool.rb
/usr/lib/one/oneflow/lib/strategy/
/usr/lib/one/oneflow/lib/strategy.rb
/usr/lib/one/oneflow/lib/strategy/straight.rb
/usr/lib/one/oneflow/lib/validator.rb
/usr/lib/one/oneflow/oneflow-server.rb