os-client-config/os_client_config/vendors/limestonenetworks.json

{
    "name": "limestonenetworks",
    "profile": {
      "auth": {
        "auth_url": "https://auth.cloud.lstn.net:5000/v3"
      },
      "regions": [
        "us-dfw-1",
        "us-slc"
      ],
      "identity_api_version": "3",
      "image_format": "raw",
      "volume_api_version": "3"
    }
  }