[Openstack] Help with ML2 + Flat Network - Errors on logs while trying it - Instance not created

Martinx - ジェームズ thiagocmartinsc at gmail.com
Mon Apr 7 06:25:15 UTC 2014


Hello Stackers!

I have a setup of Havana working with Neutron and Flat Networks, documented
on the following guide (it doesn't requires  L3, GRE, VLANs or Floating
IPs, it is very, very simple):

Havana Simple Flat Guide:
https://gist.github.com/tmartinx/7019826


My Havana Flat setup above was inspired by this doc:
http://openstack-folsom-install-guide.readthedocs.org/en/latest/

Well, now, I'm trying to achieve the same topology with IceHouse RC1 on
Ubuntu 14.04 but, it doesn't work. Also, for a few services (APIs and
EndPoints), I have IPv6 working okay.

When I tried it (IceHouse + Neutron + ML2 / Flat), I'm hit the following
errors:

1- After login into Horizon:

"*Error: *Unable to retrieve floating IP addresses."

On Apache error.log:

---
*http://paste.openstack.org/show/75173/
<http://paste.openstack.org/show/75173/>*
---

/var/log/neutron/server.log:

---
2014-04-07 02:57:48.349 1156 INFO neutron.wsgi
[req-4385ebe9-bee2-4ff3-90b6-d0b74a5ce6aa None] 2001:1291:2bf:fffa::500 - -
[07/Apr/2014 02:57:48] "GET
/v2.0/floatingips.json?tenant_id=5e0106fa81104c5cbe21e1ccc9eb1a36 HTTP/1.1"
404 242 0.001862
---

2- When trying to create an instance:

"*Error: *There was an error submitting the form. Please try again."

On Apache error.log:

---
http://paste.openstack.org/show/75174/
---

Neutron server.log

---
http://paste.openstack.org/show/75175/
---


* The following neutron commands was executed without any problems (come
from the guide above, hosted on gist.github.com):

--
neutron net-create --tenant-id 5e0106fa81104c5cbe21e1ccc9eb1a36 sharednet1
--shared --provider:network_type flat --provider:physical_network physnet1
-
neutron subnet-create --ip-version 4 --tenant-id
5e0106fa81104c5cbe21e1ccc9eb1a36 sharednet1 10.33.14.0/24 --dns_nameservers
list=true 8.8.4.4 8.8.8.8
--


My confs are:

ml2_conf.ini: http://paste.openstack.org/show/75176/
 neutron.conf: http://paste.openstack.org/show/75177/

-

So, what I'm not understanding is: why OpenStack with Neutron + ML2 / Flat
is, somehow, looking for "floating_ips", that triggers some 404 errors ???
I don't need any Floating IP when with Flat and Provider Network...


* What am I missing?!


-
BTW, if you guys can help me, I'll be able to complete my new guide, here
is the draft that I'm working on:

Ultimate OpenStack IceHouse Guide - ML2 Flat Network.md -
https://gist.github.com/tmartinx/9177697
-

References:

http://www.revolutionlabs.net/2013/11/part-2-how-to-install-openstack-havana_15.html

http://docs.openstack.org/trunk/install-guide/install/apt/content/neutron-ml2-controller-node.html


Thanks!
Thiago
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