[Openstack-operators] [Neutron][Nova] No Valid Host when booting new VM with Public IP

George Shuklin george.shuklin at gmail.com
Wed Mar 18 20:39:32 UTC 2015


We have that configuration and it works fine. Even better than L3 NAT on 
neutron routers.

Tenant's VM works perfect with external networks and white IPs, but you 
should make external network available on each compute node (ml2_conf.ini).

On 03/18/2015 07:29 PM, Adam Lawson wrote:
> What I'm trying to do is force OpenStack to do something it normally 
> doesn't do for the sake of learning and experimentation. I.e. bind a 
> public network to a VM so it can be accessed outside the cloud when 
> floating IP's are normally required. I know there are namespace issues 
> at play which may prevent this from working, just trying to scope the 
> boundaries of what I can and cannot do really.
>
> */
> Adam Lawson/*
>
> AQORN, Inc.
> 427 North Tatnall Street
> Ste. 58461
> Wilmington, Delaware 19801-2230
> Toll-free: (844) 4-AQORN-NOW ext. 101
> International: +1 302-387-4660
> Direct: +1 916-246-2072
>
>
> On Wed, Mar 18, 2015 at 7:08 AM, Pedro Sousa <pgsousa at gmail.com 
> <mailto:pgsousa at gmail.com>> wrote:
>
>     Hi Adam
>
>     For external network you should use floating ips to access
>     externally to your instances if I understood correctly.
>
>     Regards
>
>     Em 16/03/2015 20:56, "Adam Lawson" <alawson at aqorn.com
>     <mailto:alawson at aqorn.com>> escreveu:
>
>         Got a strange error and I'm really hoping to get some help
>         with it since it has be scratching my head.
>
>         When I create a VM within Horizon and select the PRIVATE
>         network, it boots up great.
>         When I attempt to create a VM within Horizon and include the
>         PUBLIC network (either by itself or with the private network),
>         it fails with a "No valid host found" error.
>
>         I looked at the nova-api and the nova-scheduler logs on the
>         controller and the most I've found are errors/warnings binding
>         VIF's but I'm not 100% certain it's the root cause although I
>         believe it's related.
>
>         I didn't find any WARNINGS or ERRORS in the compute or network
>         node.
>
>         Setup:
>
>           * 1 physical host running 4 KVM domains/guests
>               o 1x Controller
>               o 1x Networ
>               o 1x Volume
>               o 1x Compute
>
>
>         *Controller Node:*
>         nova.conf (http://pastebin.com/q3e9cntH)
>
>           * neutron.conf (http://pastebin.com/ukEVzBbN)
>           * ml2_conf.ini (http://pastebin.com/w10jBGZC)
>           * nova-api.log (http://pastebin.com/My99Mg2z)
>           * nova-scheduler (http://pastebin.com/Nb75Z6yH)
>           * neutron-server.log (http://pastebin.com/EQVQPVDF)
>
>
>         *Network Node:*
>
>           * l3_agent.ini (http://pastebin.com/DBaD1F5x)
>           * neutron.conf (http://pastebin.com/Bb3qkNi7)
>           * ml2_conf.ini (http://pastebin.com/xEC1Bs9L)
>
>
>         *Compute Node:*
>
>           * nova.conf (http://pastebin.com/K6SiE9Pw)
>           * nova-compute.conf (http://pastebin.com/9Mz30b4v)
>           * neutron.conf (http://pastebin.com/Le4wYRr4)
>           * ml2_conf.ini (http://pastebin.com/nnyhC8mV)
>
>
>         *Back-end:*
>         Physical switch
>
>         Any thoughts on what could be causing this?
>         */
>         Adam Lawson/*
>
>         AQORN, Inc.
>         427 North Tatnall Street
>         Ste. 58461
>         Wilmington, Delaware 19801-2230
>         Toll-free: (844) 4-AQORN-NOW ext. 101
>         International: +1 302-387-4660 <tel:%2B1%20302-387-4660>
>         Direct: +1 916-246-2072 <tel:%2B1%20916-246-2072>
>
>
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>
>
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