find_names_with_same_part_suffix.py

import sys
from swift.common.ring import Ring
from swift.common.utils import hash_path

account = 'AUTH_test'
container = 'test'
obj_template = 'obj%x'


def main():
    try:
        ring_filename = sys.argv[1]
    except IndexError:
        return 'USAGE: %s </path/to/ring.gz>' % sys.argv[0]
    r = Ring(ring_filename)
    names = {}
    # I don't think it can take more than this, maybe half of this
    # really, should be enough tho... pretty sure, this is a lot
    attempts = int(r.partition_count * 0xfff)
    for i in range(attempts):
        obj = obj_template % i
        part = r.get_part(account, container, obj)
        suffix = hash_path(account, container, obj)[-3:]
        key = (part, suffix)
        if key in names:
            break
        names[key] = obj
    print key, names[key], obj


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