Ceph » ceph-volume

If osd_dmcrypt_key_size is specified then this code in encryption.py:

    dmcrypt_key_size = conf.ceph.get_safe(
        'osd',
        'osd_dmcrypt_key_size',
        default=1024,
    )

returns the key size as a str. The next bit of code tries to do some math with it:

    random_string = os.urandom(int(dmcrypt_key_size / 8))

and explodes with an unsupported types for / error.

There are 2 things wrong with this code:

1. The default is type int, but the conf.ceph.get_safe() returns a str
2. the random_string calc should cast dmcrypt_key_size before the divide

A patch for both of these (against master) is attached.