Description of problem:
Documenting this early as it includes some high priority cellsv2 upgrade related bugfixes :
ocata: release nova 15.0.5
https://review.openstack.org/#/c/468388/1
$ git log --oneline --no-merges 15.0.4..
bc8d072 Fix decoding of encryption key passed to dmcrypt
1b59d60 Catch exception.OverQuota when create image for volume backed instance
92a59b3 convert unicode to string before we connect to rados
b501fa7 Handle special characters in database connection URL netloc
62a5b4b Use six.text_type() when logging Instance object
f4159d1 Cache database and message queue connection objects
fcc931f Parse algorithm from cipher for ephemeral disk encryption
cbaa706 Updated from global requirements
f5a17d9 Catching OverQuota Exception
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2017:1777