[Openstack] When are hostnames okay and when are ip addresses required?

Matt Joyce matt.joyce at cloudscaling.com
Thu Jun 28 23:20:51 UTC 2012


+1

On Thu, Jun 28, 2012 at 2:27 PM, Vishvananda Ishaya
<vishvananda at gmail.com>wrote:

> those are supposed to be ip addresses, so I would go with doc bug now
> unless there is a good reason to change it.
>
> Vish
>
> On Jun 28, 2012, at 12:00 PM, Lars Kellogg-Stedman wrote:
>
> > Maybe I sent this out too late at night; I think it slipped below
> > everyone's radar.  I'm interested in whether or not people think this
> > behavior is a functional bug, or maybe just a documentation bug:
> >
> >> I ran into an issue earlier today where I had metadata_host set to the
> >> *hostname* of our controller.  This got stuffed into an iptables rule
> >> as...
> >>
> >>  -d os-controller.int.seas.harvard.edu/32
> >>
> >> ...which promptly failed.  Setting this to an ip address fixed this
> >> particular error, leading me to wonder:
> >>
> >> - Is this expected behavior?
> >> - Should I always use ip addresses for *_host values?
> >> - Is this a bug?
> >> - Should linux_net.py resolve hostnames?
> >
> > --
> > Lars Kellogg-Stedman <lars at seas.harvard.edu>       |
> > Senior Technologist                                |
> http://ac.seas.harvard.edu/
> > Academic Computing                                 |
> http://code.seas.harvard.edu/
> > Harvard School of Engineering and Applied Sciences |
> >
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>
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