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On 05/03/2012 06:04 AM, Jorge Luiz Correa wrote:
<blockquote
cite="mid:CAE2bT_0vXU=1L4NL2K2rhGDd+-tPaL2mo3TozVEB-10LtNT-SA@mail.gmail.com"
type="cite">Hi list!
<div><br>
</div>
<div>I would like to know if someone has tested juju with Essex.
I've installed OpenStack using Ubuntu 12.04 and its packages
(Essex). The nova components are working fine. I can create and
destroy instances. So I'm using Juju from a 11.10 Oneiric. I've
made some modifications in my environment.yaml configuration
file to work with keystone. In my first tests I could bootstrap,
creating a new instance. However, some problems that I'm having
now:</div>
</blockquote>
<br>
I'd recommend using the latest Juju version, either from the Juju
PPA [1] on oneiric or the version shipped with precise. <br>
<br>
<blockquote
cite="mid:CAE2bT_0vXU=1L4NL2K2rhGDd+-tPaL2mo3TozVEB-10LtNT-SA@mail.gmail.com"
type="cite">
<div><br>
</div>
<div>1) Juju and nova aren't creating secgroup-rules in the right
way. I can see new secgroup-rules, like juju-sample,
juju-sample-0 and so on. But, when I list the rules, there are
NO rules. The immediately impact is that when running 'juju
status' the host is not able to access the instances created by
juju. If I go to dashboard and add access with the right ports,
so juju gets working. <br>
</div>
</blockquote>
<br>
This should be working fine. We fixed some bugs in nova around
security groups during Essex that I uncovered trying to get Juju
working against it, but since then its been working nicely. I've
just bootstrapped against an Essex/12.04 and get a functioning
security group rule set. This may look a bit different depending on
what you've named the environment, but should be similar:
<a class="moz-txt-link-freetext" href="http://paste.ubuntu.com/965169/">http://paste.ubuntu.com/965169/</a><br>
<br>
<blockquote
cite="mid:CAE2bT_0vXU=1L4NL2K2rhGDd+-tPaL2mo3TozVEB-10LtNT-SA@mail.gmail.com"
type="cite">
<div><br>
</div>
<div>2) The host running juju 'should' know how to resolve the
instance names, like server-8, server-10 to address from cloud
network. How we need to deal with it? Host running juju has to
use the same DNS that serves the cloud? I've changed the dhcp
configuration in juju host to add the address of nova network
that runs a dnsmasq and knows how to resolve these names. Is
this the right way? Recommendations? </div>
<div><br>
</div>
</blockquote>
<br>
This is mostly a Nova config thing. By default, new instances'
public hostnames are the same as their private hostnames. If you
want to be able to reach instances via their private hostname, you'd
need to do some DNS magic outside of Juju like you are doing, or
perhaps there is a documented way of achieving this in Nova itself.
The best solution is to instead add '--auto_assign_floating_ip' to
nova.conf. This will ensure a public floating IP is associated with
new instances and allow Juju to reach its nodes that way instead.
This matches the behavior of EC2.<br>
<br>
<br>
Adam<br>
<br>
[1] Juju PPA - ppa:juju/pkgs<br>
<br>
<blockquote
cite="mid:CAE2bT_0vXU=1L4NL2K2rhGDd+-tPaL2mo3TozVEB-10LtNT-SA@mail.gmail.com"
type="cite">
<div>Thanks!</div>
<div>
<div><br>
</div>
-- <br>
- MSc. Correa, J.L.<br>
<br>
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