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

{
  "name": "citycloud",
  "profile": {
    "auth": {
      "auth_url": "https://identity1.citycloud.com:5000/v3/"
    },
    "regions": [
      "Lon1",
      "Sto2",
      "Kna1"
    ],
    "volume_api_version": "1",
    "identity_api_version": "3"
  }
}