INFO:wadls/os-volume_attachments.wadl:Converting: wadls/os-volume_attachments.wadl to swagger/os-volume_attachments.json
WARNING:wadls/os-volume_attachments.wadl:Autofix: path parameters must be required in Swagger (tenant_id)
WARNING:wadls/os-volume_attachments.wadl:Autofix: path parameters must be required in Swagger (server_id)
WARNING:wadls/os-volume_attachments.wadl:Autofix: path parameters must be required in Swagger (tenant_id)
WARNING:wadls/os-volume_attachments.wadl:Autofix: path parameters must be required in Swagger (server_id)
WARNING:wadls/os-volume_attachments.wadl:Autofix: path parameters must be required in Swagger (attachment_id)
INFO:root:Saving swagger to swagger/os-volume_attachments.json
INFO:root:
INFO:root:Successfully converted all WADL files

Validating with swagger-tools...
Valid