[Openstack] Networking - next step?

Turbo Fredriksson turbo at bayour.com
Tue Jun 28 21:54:09 UTC 2016


On Jun 28, 2016, at 10:31 PM, Remo Mattei wrote:

> Ok Turbo, 
> looks like your services are all up and running. can you check if your neutron agent-list and neutron port-list shows any down services?

----- s n i p -----
bladeA01b:~# neutron agent-list 
+--------------------------------------+--------------------+-----------+-------------------+-------+----------------+---------------------------+
| id                                   | agent_type         | host      | availability_zone | alive | admin_state_up | binary                    |
+--------------------------------------+--------------------+-----------+-------------------+-------+----------------+---------------------------+
| 0099cf34-0f96-42e9-ad56-3ef23f548c8f | L3 agent           | bladeA01b | nova              | :-)   | True           | neutron-l3-agent          |
| 2f31ffc7-a6c6-4c7a-be7d-313ae35a716d | Open vSwitch agent | bladeA01b |                   | :-)   | True           | neutron-openvswitch-agent |
| 4a54ddfe-f3e4-4ce8-8773-8407defd66b4 | Open vSwitch agent | bladeA03b |                   | :-)   | True           | neutron-openvswitch-agent |
| 85c932e8-ad0d-4664-b824-f4268b577f30 | Metering agent     | bladeA01b |                   | :-)   | True           | neutron-metering-agent    |
| a7fb9850-9045-4f44-8f3c-0a33f87c5e63 | L3 agent           | bladeA03b | nova              | :-)   | True           | neutron-l3-agent          |
| fca60344-ad5b-4ea6-bdc9-91460b8c6f87 | DHCP agent         | bladeA01b | nova              | :-)   | True           | neutron-dhcp-agent        |
+--------------------------------------+--------------------+-----------+-------------------+-------+----------------+---------------------------+
----- s n i p -----

So all the agents are up. The ports on the other hand, well
that's the problem, isn't it?

Couldn't figure out a way to get that from the shell, so
I just make a screen shot (attached).

If I understand that correctly, the (now) two instances'
interfaces (.10 and .23) seems to be all ok (and the instances
have "link") so I think that part is good.

The router DHCP interface (.2) is in "Build" though. Which
seems strange, because the instances have been allocated a
IP address (!?) and all the logs indicate that it's working
just fine.

The router, gateway IP for that network (.1), is however "Down".
Which is the actual question here - how do I fix that (logs etc
in original mail)?

This might be related to the problem "Vaidyanath Manogaran"
mailed about yesterday - "DHCP Offer doesn't reach the VM".


I'm pretty sure this isn't with Openstack, but the setup
(interface, routing, iptables or "something") of/on the host(s).

But none of the documentation or howtos on os.org seem to
discuss this, other than in passing (at best).

I'm also quite sure that if I figure/fix that, I'm all good,
so this seems to be the last hurdle - the instance is up and
running, it just won't get an address! I'm so close, this time
I can actually smell it!! And it smells wonderful! :D


Well, I still need to get Magnum and Ironic to work, but that's
a completely different matter, one that I can deal with after
playing with Nova a couple of weeks :D
--
Att inse sin egen betydelse är som att få ett kvalster att
fatta att han bara syns i mikroskop
- Arne Anka
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