/usr/lib/one/ruby/cloud/ is in opennebula 3.4.1-4.1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/one/ruby/cloud/CloudAuth/
/usr/lib/one/ruby/cloud/CloudAuth/EC2CloudAuth.rb
/usr/lib/one/ruby/cloud/CloudAuth/OCCICloudAuth.rb
/usr/lib/one/ruby/cloud/CloudServer.rb
/usr/lib/one/ruby/cloud/econe/
/usr/lib/one/ruby/cloud/econe/EC2QueryServer.rb
/usr/lib/one/ruby/cloud/econe/ImageEC2.rb
/usr/lib/one/ruby/cloud/econe/econe-server.rb
/usr/lib/one/ruby/cloud/econe/views/
/usr/lib/one/ruby/cloud/econe/views/allocate_address.erb
/usr/lib/one/ruby/cloud/econe/views/associate_address.erb
/usr/lib/one/ruby/cloud/econe/views/describe_addresses.erb
/usr/lib/one/ruby/cloud/econe/views/describe_images.erb
/usr/lib/one/ruby/cloud/econe/views/describe_instances.erb
/usr/lib/one/ruby/cloud/econe/views/disassociate_address.erb
/usr/lib/one/ruby/cloud/econe/views/register_image.erb
/usr/lib/one/ruby/cloud/econe/views/release_address.erb
/usr/lib/one/ruby/cloud/econe/views/run_instances.erb
/usr/lib/one/ruby/cloud/econe/views/terminate_instances.erb
/usr/lib/one/ruby/cloud/occi/
/usr/lib/one/ruby/cloud/occi/ImageOCCI.rb
/usr/lib/one/ruby/cloud/occi/ImagePoolOCCI.rb
/usr/lib/one/ruby/cloud/occi/OCCIServer.rb
/usr/lib/one/ruby/cloud/occi/OpenNebulaVNC.rb
/usr/lib/one/ruby/cloud/occi/UserOCCI.rb
/usr/lib/one/ruby/cloud/occi/UserPoolOCCI.rb
/usr/lib/one/ruby/cloud/occi/VirtualMachineOCCI.rb
/usr/lib/one/ruby/cloud/occi/VirtualMachinePoolOCCI.rb
/usr/lib/one/ruby/cloud/occi/VirtualNetworkOCCI.rb
/usr/lib/one/ruby/cloud/occi/VirtualNetworkPoolOCCI.rb