nova/urandom-as-default-for-rng_dev_path-150a76b0ea74cbc2.yaml at 95f96ed3aa201bc5b90e589b288fa4039bc9c0d2 - nova - OpenDev: Free Software Needs Free Tools

openstack/nova

Kashyap Chamarthy 814bfd9372 conf: libvirt: Make /dev/urandom the default for 'rng_dev_path'

Since libvirt 1.3.4, any RNG (Random Number Generator) device path (that
returns random numbers when read!) is accepted.  However, the
recommended source of entropy is `/dev/urandom` (it is non-blocking; and
doesn't have the same limitations of `dev/random`, which is a legacy
interface).

Therefore, make `/dev/urandom` the default RNG for 'rng_dev_path' config
attribute; adjust the relevant tests.  Also update the documention to
reflect this change.

Change-Id: Ia39402a045ffb1943463b5741655d84071613e8c
Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Reported-by: Daniel P. Berrangé <berrange@redhat.com>

2018-06-26 17:55:11 +02:00

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 ---
 upgrade:
   - |
     The default value of the configuration attribute
     ``[libvirt]/rng_dev_path`` is now set to ``/dev/urandom``.  Refer to
     the documentation of ``rng_dev_path`` for details.