/usr/lib/one/ruby/ is in opennebula-tools 4.12.3+dfsg-3.1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/one/ruby/cli/
/usr/lib/one/ruby/cli/cli_helper.rb
/usr/lib/one/ruby/cli/command_parser.rb
/usr/lib/one/ruby/cli/one_helper/
/usr/lib/one/ruby/cli/one_helper.rb
/usr/lib/one/ruby/cli/one_helper/oneacct_helper.rb
/usr/lib/one/ruby/cli/one_helper/oneacl_helper.rb
/usr/lib/one/ruby/cli/one_helper/onecluster_helper.rb
/usr/lib/one/ruby/cli/one_helper/onedatastore_helper.rb
/usr/lib/one/ruby/cli/one_helper/onegroup_helper.rb
/usr/lib/one/ruby/cli/one_helper/onehost_helper.rb
/usr/lib/one/ruby/cli/one_helper/oneimage_helper.rb
/usr/lib/one/ruby/cli/one_helper/onequota_helper.rb
/usr/lib/one/ruby/cli/one_helper/onesecgroup_helper.rb
/usr/lib/one/ruby/cli/one_helper/onetemplate_helper.rb
/usr/lib/one/ruby/cli/one_helper/oneuser_helper.rb
/usr/lib/one/ruby/cli/one_helper/onevdc_helper.rb
/usr/lib/one/ruby/cli/one_helper/onevm_helper.rb
/usr/lib/one/ruby/cli/one_helper/onevnet_helper.rb
/usr/lib/one/ruby/cli/one_helper/onezone_helper.rb
/usr/lib/one/ruby/cloud/
/usr/lib/one/ruby/cloud/CloudClient.rb
/usr/lib/one/ruby/cloud/econe/
/usr/lib/one/ruby/cloud/econe/EC2QueryClient.rb