/usr/lib/one/ruby/opennebula/ is in ruby-opennebula 4.12.3+dfsg-3.1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/one/ruby/opennebula/acl.rb
/usr/lib/one/ruby/opennebula/acl_pool.rb
/usr/lib/one/ruby/opennebula/client.rb
/usr/lib/one/ruby/opennebula/cluster.rb
/usr/lib/one/ruby/opennebula/cluster_pool.rb
/usr/lib/one/ruby/opennebula/datastore.rb
/usr/lib/one/ruby/opennebula/datastore_pool.rb
/usr/lib/one/ruby/opennebula/document.rb
/usr/lib/one/ruby/opennebula/document_json.rb
/usr/lib/one/ruby/opennebula/document_pool.rb
/usr/lib/one/ruby/opennebula/document_pool_json.rb
/usr/lib/one/ruby/opennebula/error.rb
/usr/lib/one/ruby/opennebula/group.rb
/usr/lib/one/ruby/opennebula/group_pool.rb
/usr/lib/one/ruby/opennebula/host.rb
/usr/lib/one/ruby/opennebula/host_pool.rb
/usr/lib/one/ruby/opennebula/image.rb
/usr/lib/one/ruby/opennebula/image_pool.rb
/usr/lib/one/ruby/opennebula/ldap_auth.rb
/usr/lib/one/ruby/opennebula/oneflow_client.rb
/usr/lib/one/ruby/opennebula/pool.rb
/usr/lib/one/ruby/opennebula/pool_element.rb
/usr/lib/one/ruby/opennebula/security_group.rb
/usr/lib/one/ruby/opennebula/security_group_pool.rb
/usr/lib/one/ruby/opennebula/server_cipher_auth.rb
/usr/lib/one/ruby/opennebula/server_x509_auth.rb
/usr/lib/one/ruby/opennebula/ssh_auth.rb
/usr/lib/one/ruby/opennebula/system.rb
/usr/lib/one/ruby/opennebula/template.rb
/usr/lib/one/ruby/opennebula/template_pool.rb
/usr/lib/one/ruby/opennebula/user.rb
/usr/lib/one/ruby/opennebula/user_pool.rb
/usr/lib/one/ruby/opennebula/vdc.rb
/usr/lib/one/ruby/opennebula/vdc_pool.rb
/usr/lib/one/ruby/opennebula/virtual_machine.rb
/usr/lib/one/ruby/opennebula/virtual_machine_pool.rb
/usr/lib/one/ruby/opennebula/virtual_network.rb
/usr/lib/one/ruby/opennebula/virtual_network_pool.rb
/usr/lib/one/ruby/opennebula/x509_auth.rb
/usr/lib/one/ruby/opennebula/xml_element.rb
/usr/lib/one/ruby/opennebula/xml_pool.rb
/usr/lib/one/ruby/opennebula/xml_utils.rb
/usr/lib/one/ruby/opennebula/zone.rb
/usr/lib/one/ruby/opennebula/zone_pool.rb