[Bug 1065883] Re: ceph rbd username and secret should be configured in nova-compute, not passed from nova-volume/cinder

[James Page]

Hi Josh

I was aware that was possible; however I'm deploying openstack
automatically and I don't really want to pass the uuid around between
nova-volume and nova-compute nodes.

I simply want to provide each of the compute nodes with the cephx key it
needs to use and a generated username - and it will just configure its
own set of secrets and configure nova appropriately, overriding the
config that nova-volume may/will have sent.

My finer grained access control requirement was really around having
different keys for volume/cinder and compute - so if I add/remove
additional compute farms I can easily manage the keys on a per role
basis.

I guess I was just being hyper-cautious with the rbd check in the patch
:-)

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Title:
  ceph rbd username and secret should be configured in nova-compute, not
  passed from nova-volume/cinder

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