[openstack-dev] [trove] Confused about nova_proxy_admin_* settings

Nikhil Manchanda nikhil at manchanda.me
Wed Jan 21 16:55:32 UTC 2015

Hi Mark:

It's been a little while since I looked at this last, but as I recall these
values seem
to be used and needed only by the trove taskmanager. If you have support
metering messages turned on, this account gets used to look up instance
when sending periodic metering messages to an AMQP exchange.

These aren't needed on the guest-agent, and that's probably the reason why a
non-existing value of "radmin" seems to work. The fact that this exists in
the guest
configuration as well is probably a bug and should be cleaned up.


On Tue, Jan 20, 2015 at 4:05 PM, Mark Kirkwood <
mark.kirkwood at catalyst.net.nz> wrote:

> I've been looking at how the 3 nova_proxy_admin_* settings are used. I'm
> coming to the conclusion that I'm confused:
> E.g I note that a standard devstack (stable/juno branch) with trove
> enabled sets these as follows:
> nova_proxy_admin_pass =
> nova_proxy_admin_tenant_name = trove
> nova_proxy_admin_user = radmin
> However there is no 'radmin' user (or role) created in keystone, so the
> settings above cannot possibly work (if they were needed/used). Some
> experimentation involving removing these three settings from all of the
> trove config files seems to support the idea that they are in fact not
> needed, which has me somewhat puzzled.
> If someone could shed some light here that would be awesome!
> Thanks
> Mark
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