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Thanks for the pointer.

On Thu, Oct 30, 2014 at 8:44 PM, Robert Li (baoli) <baoli at cisco.com> wrote:

>  ipv6 floating Ip is currently not supported.
>
>  Check out this review and the associated bug:
> https://review.openstack.org/#/c/131145/
>
>  —Robert
>
>   On 10/30/14, 6:47 AM, "Jerry Xinyu Zhao" <xyzjerry at gmail.com> wrote:
>
>   Unfortunately, it seems to be the case. Just saw there is a summit talk
> about it called IPv6 Feature in Openstack Juno. Dual stack floating ip
> support is planned in K.
> However, I couldn't even get single IPv6 floating IP to work. Even though
> I configured only IPv6 subnet for the external network, I got those errors
> from neutron-l3-agent when associating the floating IP to instance.
>
>  Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> Command: ['sudo', '/usr/bin/neutron-rootwrap',
> '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec',
> 'qrouter-b243c786-4648-4d69-b749-ee5fad02069b', 'iptables-restore', '-c']
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent: Exit
> code: 2
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> Stdout: ''
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> Stderr: "iptables-restore v1.4.21: host/network `2001:470:1f0f:cb4::7' not
> found\nError occurred at line: 39\nTry `iptables-restore -h' or
> 'iptables-restore --help' for more information.\n"
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 2014-10-29 10:55:32.407 30286 ERROR neutron.agent.linux.iptables_manager
> [-] IPTablesManager.apply failed to apply the following set of iptables
> rules:
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 1. # Generated by iptables-save v1.4.21 on Wed Oct 29 10:55:32 2014
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 2. *raw
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 3. :PREROUTING ACCEPT [148546:23091816]
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 4. :OUTPUT ACCEPT [219:20352]
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 5. :neutron-l3-agent-OUTPUT - [0:0]
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 6. :neutron-l3-agent-PREROUTING - [0:0]
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 7. [148546:23091816] -A PREROUTING -j neutron-l3-agent-PREROUTING
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 8. [219:20352] -A OUTPUT -j neutron-l3-agent-OUTPUT
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
> 9. COMMIT
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>  10. # Completed on Wed Oct 29 10:55:32 2014
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>  11. # Generated by iptables-save v1.4.21 on Wed Oct 29 10:55:32 2014
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>  12. *mangle
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>  13. :PREROUTING ACCEPT [148546:23091816]
> Oct 29 10:55:32 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>  14. :INPUT ACCEPT [55837:18978656]
>
> On Thu, Oct 30, 2014 at 6:32 PM, Harm Weites <harm at weites.com> wrote:
>
>> I'm seeing the same error when trying to setup a whole new network
>> through Horizon with external gateway and an ipv4 and ipv6 subnet. Eg,
>> without floating ip.
>>
>> l3_agent.py is trying this: prefixlen =
>> netaddr.IPNetwork(port['subnet']['cidr']).prefixlen
>>
>> Looking inside port[] lists the following items:
>>
>> 2014-10-30 10:26:05.834 21765 ERROR neutron.agent.l3_agent [-] Ignoring
>> multiple IPs on router port b4d94d2a-0ba2-43f0-be5f-bb53e89abe32
>> 2014-10-30 10:26:05.836 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[status] = DOWN
>> 2014-10-30 10:26:05.837 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[binding:host_id] = myhostname
>> 2014-10-30 10:26:05.839 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[name] =
>> 2014-10-30 10:26:05.840 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[allowed_address_pairs] = []
>> 2014-10-30 10:26:05.841 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[admin_state_up] = True
>> 2014-10-30 10:26:05.843 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[network_id] = 00539791-0b2f-4628-9599-622fa00993b5
>> 2014-10-30 10:26:05.844 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[tenant_id] =
>> 2014-10-30 10:26:05.846 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[extra_dhcp_opts] = []
>> 2014-10-30 10:26:05.847 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[binding:vif_details] = {}
>> 2014-10-30 10:26:05.848 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[binding:vif_type] = binding_failed
>> 2014-10-30 10:26:05.849 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[device_owner] = network:router_gateway
>> 2014-10-30 10:26:05.851 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[mac_address] = fa:16:3e:53:89:8d
>> 2014-10-30 10:26:05.853 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[binding:profile] = {}
>> 2014-10-30 10:26:05.854 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[binding:vnic_type] = normal
>> 2014-10-30 10:26:05.856 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[fixed_ips] = [{u'subnet_id': u'faaf9c91-19ce-4c14-8f86-c81949cdbac5',
>> u'ip_address': u'192.168.64.30'}, {u'subnet_id':
>> u'381d0c54-1a4e-4a27-9858-a81202e81487', u'ip_address':
>> u'2001:470:ffff:64::aaaa'}]
>> 2014-10-30 10:26:05.857 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[id] = b4d94d2a-0ba2-43f0-be5f-bb53e89abe32
>> 2014-10-30 10:26:05.858 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[security_groups] = []
>> 2014-10-30 10:26:05.860 21765 INFO neutron.agent.l3_agent [-] CHECK:
>> port[device_id] = d3bbec5a-2075-4229-ba88-698f27cd0943
>>
>> _set_subnet_info() is set to log an ERROR when it encounters multiple
>> addresses and then happily continues doing something:
>>
>>  prefixlen = netaddr.IPNetwork(port['subnet']['cidr']).prefixlen
>>  port['ip_cidr'] = "%s/%s" % (ips[0]['ip_address'], prefixlen)
>>
>> Operations with just 1 (ipv6) ip go without any issues, the adress is
>> added to a namespace and pongs just fine. Adding 2 subnets to this external
>> net and creating a gateway to it on the l3 router causes a problem.
>>
>> Do we need to wait for K before we can fully go dual-stack?
>>
>> - Harm
>>
>> op 29-10-14 15:29, Jerry Xinyu Zhao schreef:
>>
>>   Hi
>> I want to use both ipv4 and ipv6 for floating ip at the same time.
>> However, I have the following issue when setting router gateway or
>> associate floating ip to an instance.
>> Is it supported in the first place? What should I do to make it work?
>> Thanks!
>>
>>  neutron router-list
>>
>> +--------------------------------------+----------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------+-------+
>> | id                                   | name           |
>> external_gateway_info
>>
>>
>>                                                   | distributed | ha    |
>>
>> +--------------------------------------+----------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------+-------+
>> | b243c786-4648-4d69-b749-ee5fad02069b | default-router | {"network_id":
>> "02eca54a-420d-4d52-b045-1207e17994e5", "enable_snat": true,
>> "external_fixed_ips": [{"subnet_id":
>> "a188333f-77c3-40d9-9048-e733c4da30b1", "ip_address": "162.3.123.51"},
>> {"subnet_id": "14d9dd91-b315-43bc-818d-ab21f62c1ebb", "ip_address":
>> "2001:470:1f0f:cb4::7"}]} | False       | False |
>>
>> +--------------------------------------+----------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------+-------+
>>
>>
>>  neutron-l3-agent log:
>>
>>  Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 ERROR neutron.agent.l3_agent [-] Ignoring
>> multiple IPs on router port 18c8874c-f9a0-4274-8f38-fab3da754c2b
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 ERROR neutron.agent.l3_agent [-] 'subnet'
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent Traceback (most
>> recent call last):
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent   File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/common/utils.py",
>> line 341, in call
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent     return
>> func(*args, **kwargs)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent   File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 948, in process_router
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent
>> self._set_subnet_info(ex_gw_port)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent   File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 864, in _set_subnet_info
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent     prefixlen =
>> netaddr.IPNetwork(port['subnet']['cidr']).prefixlen
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent KeyError:
>> 'subnet'
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> 2014-10-29 14:10:08.941 30286 TRACE neutron.agent.l3_agent
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> Traceback (most recent call last):
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/eventlet/greenpool.py",
>> line 82, in _spawn_n_impl
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> func(*args, **kwargs)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 1837, in _process_router_update
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> self._process_router_if_compatible(router)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 1812, in _process_router_if_compatible
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> self.process_router(ri)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/common/utils.py",
>> line 344, in call
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> self.logger(e)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/openstack/common/excutils.py",
>> line 82, in __exit__
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> six.reraise(self.type_, self.value, self.tb)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/common/utils.py",
>> line 341, in call
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> return func(*args, **kwargs)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 948, in process_router
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> self._set_subnet_info(ex_gw_port)
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> File
>> "/opt/stack/venvs/openstack/local/lib/python2.7/site-packages/neutron/agent/l3_agent.py",
>> line 864, in _set_subnet_info
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> prefixlen = netaddr.IPNetwork(port['subnet']['cidr']).prefixlen
>> Oct 29 14:10:08 overcloud-controller0-ghqtsmsgjgck neutron-l3-agent:
>> KeyError: 'subnet'
>>
>>
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