make fresh tombstones over dark data fragments that can not be rebuilt (even if the container is deleted)

internal_terminator.py

#!/usr/bin/env python
from argparse import ArgumentParser
import sys

from swift.common.internal_client import InternalClient
from swift.common.wsgi import ConfigString
from swift.container.sync import ic_conf_body
from swift.proxy.controllers.base import Controller

parser = ArgumentParser()
parser.add_argument('account', help='the account name')
parser.add_argument('container', help='the container name')
parser.add_argument('object', help='the object name')
parser.add_argument('-P', '--policy-index', type=int, default=None,
                    help='override the container storage policy index')


def main():
    opts = parser.parse_args()
    swift = InternalClient(ConfigString(ic_conf_body),
                           'internal-terminator', 1)

    _orig_get_container_info = Controller.container_info

    def fix_container_nodes(*args, **kwargs):
        info = _orig_get_container_info(*args, **kwargs)
        part, nodes = swift.container_ring.get_nodes(
            opts.account, opts.container)
        info['partition'] = part
        info['nodes'] = nodes
        return info

    Controller.container_info = fix_container_nodes

    headers = None
    if opts.policy_index is not None:
        headers = {
            "X-Backend-Storage-Policy-Index": opts.policy_index,
        }
    swift.delete_object(opts.account, opts.container, opts.object,
                        headers=headers)
    print('Hasta la vista, baby.')


if __name__ == "__main__":
    sys.exit(main())