Open Stack

On Fri, Sep 27, 2013 at 02:11:36PM -0400, Solly Ross wrote:
> Hello Fellow OpenStackers,
> 
> I was working on a bug (https://bugzilla.redhat.com/show_bug.cgi?id=975014)
> involving the Nova resize functionality in the libvirt driver.  So, it
> turns out that the bug is caused by nova code trying to ssh directly
> into another compute node.  Since it was not authorized to do so, the
> command failed.
>
> So, my question is this: should nova really be SSHing directly into a
> peer machine to create a directory?  Doesn't that kind of defeat the
> purpose of the centralized RPC mechanism?  However, if this is the
> intended functionality, should Packstack be smarter about setting up
> permissions (this was a packstack install) when there are two or more
> compute nodes listed?

Yes, I think that it is really pretty bogus design to use ssh in this way
in Nova & this should be fixed to not use ssh.

Daniel
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