sudo pip install xenbackup

usage: xenbackup [-h] [--cluster CLUSTER] [--url URL] [--username USERNAME]
                 [--password PASSWORD] [--repository REPOSITORY]
                 {list,backup,restore,purge} ...

positional arguments:
  {list,backup,restore,purge}
                        commands
    list                List VMs and Backups
    backup              Create new Backup(s)
    restore             Restore a Backup
    purge               Purge old Backups

optional arguments:
  -h, --help            show this help message and exit
  --cluster CLUSTER, -c CLUSTER
                        Use cluster information from config file
                        (/etc/xenbackup.json) (default: default)
  --url URL, -u URL     Xen Server URL (default: https://localhost)
  --username USERNAME, -l USERNAME
                        Username (default: root)
  --password PASSWORD, -p PASSWORD
                        Password (default: None)
  --repository REPOSITORY, -r REPOSITORY
                        Path where the backups are stored (default:
                        /srv/backup)

{
        "dev": {
                "url":        "https://xen-01.dev.example.com",
                "username":   "root",
                "password":   "secret",
                "repository": "/tmp/backup-dev/"
        },
        "prod1": {
                "url":      "https://xen-01.prod1.example.com",
                "username": "root",
                "password": "secret"
        },
        "prod2": {
                "url":      "https://xen-01.prod2.example.com",
                "username": "root",
                "password": "secret"
        }
}