[Openstack] Error when dashboard try to read IPv6 subnet information (prefix delegation).

Akihiro Motoki amotoki at gmail.com
Sat Jul 1 09:11:33 UTC 2017


"prefix_delegation" is a special subnet_pool ID and we cannot get the
subnet pool.
I believe this is the cause of your error.
I think the horizon needs to mirror the special meaning.

At the moment, I have no environment with prefix-delegation enabled
IPv6 environment.
Could you share the output of the following command? Using some
pastebin is preferred (like paste.openstack.org)
I can propose a fix on this. Your input would help me have a confident.

neutron subnet-show <your subnet>
neutron subnetpool-list
neutron subnetpool-show prefix_delegation
(the last command will return an error message though)

Thanks,
Akihiro


2017-07-01 3:06 GMT+09:00 Jorge Luiz Correa <correajl at gmail.com>:
> Since yesterday I'm getting a strange error when I click to see ipv6 subnets
> details on dashboard. The web interface says something wrong happened.
>
> In the logs I can see information about that on neutron-server.log and
> error.log from apache (I'm using keystone integrated with apache).
>
> For example, on web interface when I got the error with the req id
> 2bf6ec12-1c89-42d1-9bab-4aef5c9f5d2f.
>
> neutron/neutron-server.log:2017-06-30 14:50:35.051 22871 INFO neutron.wsgi
> [req-2bf6ec12-1c89-42d1-9bab-4aef5c9f5d2f
> e85813733498d6d6b6678b77d4756aaddef55bba18166be7d3bc3a8d20a65fd8
> 769822d4bf984cfeb3ab910cec9fa5b3 - - -] X.X.X.X- - [30/Jun/2017 14:50:35]
> "GET /v2.0/subnetpools/prefix_delegation.json HTTP/1.1" 404 266 0.364519
>
> and
>
> apache2/error.log:[Fri Jun 30 14:50:35.054953 2017] [wsgi:error] [pid 27494]
> Neutron server returns request_ids:
> ['req-2bf6ec12-1c89-42d1-9bab-4aef5c9f5d2f']
>
> I've an ipv6 subnet with prefix delegation on each project. When I use
> "openstack subnet show <name>" I can see all information about it. The line
> subnetpool_id has prefix_delegation as value and the prefix is well
> configured (from dibbler).
>
> These subnets were created with:
>
> neutron subnet-create $PROJETO-net --name $PROJETO-subnet-ipv6 --ip_version
> 6 --ipv6_ra_mode dhcpv6-stateless --ipv6_address_mode dhcpv6-stateless
> --dns-nameserver <address> --use_default_subnetpool
>
> I don't know what happened. Everything was working. And, with theses logs I
> don't know where to look.
>
> Thanks for any help.
>
> - JLC
>
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