Open Stack

In my mind, I thought set_dns would be really an ansible wrapper to
system-config launch/dns.py script.

But yeah, putting the switch on what's Devstack latest and what's not on an
Apache reverse proxy works too.
The workflow would be similar to what I depicted.

I think the biggest issue is that DevStack really gives a lot of problems
when you try to stack/unstack , so long-lived
servers are asking for trouble here.

2016-08-01 16:36 GMT+02:00 Jeremy Stanley <fungi at yuggoth.org>:

> On 2016-08-01 16:08:49 +0200 (+0200), Ricardo Carrillo Cruz wrote:
> [...]
> > The set DNS task would check a file on the puppetmaster which contains
> the
> > state of blue/green DNS records (translate-latest.openstack.org
> pointing to
> > translate_a and translate-soon-to-be-deleted.openstack.org pointing to
> > translate_b or viceversa) and would only run in case any of the preceding
> > create_server tasks did anything.
> [...]
>
> Problem is we can't (okay, shouldn't) automate DNS changes while
> we're relying on Rackspace's DNS service, since it's not using a
> standard OpenStack API and we really don't want to write additional
> tooling to it.
>
> As mentioned in my earlier E-mail, a simple alternative is to just
> update a HTTP 302 (temporary) redirect or a rewrite/proxy to the
> "live" deployment in an Apache vhost on static.openstack.org or
> perhaps update a persistent haproxy pool. Proxying rather than
> redirecting probably makes the most sense as we can avoid presenting
> IP-address-based URLs to the consumer (and if we're forced to deploy
> with TLS then we might be able to stabilize a solution for that at
> the proxy too).
> --
> Jeremy Stanley
>
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