Mount a qcow with libguestfs

mount_guestfs.py

#!/usr/bin/env python3

"""Mount qcow in libguestfs.

Usage:
  mount_guestfs.py [options] <disk_path>
  mount_guestfs.py (-h | --help)

Options:
  -d --debug                    Enable debugging
  -h --help                     Show this screen.
  --version                     Show version.

"""

import logging
from docopt import docopt

import guestfs
from IPython import embed

def main():
    args = docopt(__doc__)
    debug = args['--debug']
    disk = args['<disk_path>']

    log_level = logging.INFO
    if debug:
        log_level = logging.DEBUG
    logging.basicConfig(level=log_level)

    g = guestfs.GuestFS(python_return_dict=True)
    logging.info('attaching disk')
    g.add_drive_opts(disk, readonly=1)
    logging.info('launching libguestfs back-end')
    g.launch()
    logging.info('inspecting operating systems')
    roots = g.inspect_os()
    root = roots[0]
    logging.info('get mountpoints')
    mps = g.inspect_get_mountpoints(root)
    logging.info('mounting filesystem')
    for k,v in mps.items():
        g.mount_ro(v,k)
    embed()

if __name__ == "__main__":
    main()