/usr/lib/one/ruby/ is in opennebula-sunstone 4.12.3+dfsg-3.1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/one/ruby/OpenNebulaVNC.rb
/usr/lib/one/ruby/cloud/
/usr/lib/one/ruby/cloud/CloudAuth/
/usr/lib/one/ruby/cloud/CloudAuth/EC2CloudAuth.rb
/usr/lib/one/ruby/cloud/CloudAuth/SunstoneCloudAuth.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/ebs.rb
/usr/lib/one/ruby/cloud/econe/econe-server.rb
/usr/lib/one/ruby/cloud/econe/econe_application.rb
/usr/lib/one/ruby/cloud/econe/elastic_ip.rb
/usr/lib/one/ruby/cloud/econe/instance.rb
/usr/lib/one/ruby/cloud/econe/keypair.rb
/usr/lib/one/ruby/cloud/econe/net_ssh_replacement.rb
/usr/lib/one/ruby/cloud/econe/tags.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/attach_volume.erb
/usr/lib/one/ruby/cloud/econe/views/create_image.erb
/usr/lib/one/ruby/cloud/econe/views/create_keypair.erb
/usr/lib/one/ruby/cloud/econe/views/create_snapshot.erb
/usr/lib/one/ruby/cloud/econe/views/create_tags.erb
/usr/lib/one/ruby/cloud/econe/views/create_volume.erb
/usr/lib/one/ruby/cloud/econe/views/delete_keypair.erb
/usr/lib/one/ruby/cloud/econe/views/delete_snapshot.erb
/usr/lib/one/ruby/cloud/econe/views/delete_tags.erb
/usr/lib/one/ruby/cloud/econe/views/delete_volume.erb
/usr/lib/one/ruby/cloud/econe/views/describe_addresses.erb
/usr/lib/one/ruby/cloud/econe/views/describe_availability_zones.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/describe_keypairs.erb
/usr/lib/one/ruby/cloud/econe/views/describe_regions.erb
/usr/lib/one/ruby/cloud/econe/views/describe_snapshots.erb
/usr/lib/one/ruby/cloud/econe/views/describe_tags.erb
/usr/lib/one/ruby/cloud/econe/views/describe_volumes.erb
/usr/lib/one/ruby/cloud/econe/views/detach_volume.erb
/usr/lib/one/ruby/cloud/econe/views/disassociate_address.erb
/usr/lib/one/ruby/cloud/econe/views/reboot_instances.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/start_instances.erb
/usr/lib/one/ruby/cloud/econe/views/stop_instances.erb
/usr/lib/one/ruby/cloud/econe/views/terminate_instances.erb
/usr/lib/one/ruby/cloud/marketplace/
/usr/lib/one/ruby/cloud/marketplace/marketplace_client.rb