Open Stack

On Thu, Oct 3, 2013 at 6:54 AM, Gary Kotton <gkotton at vmware.com> wrote:
> Hi,
> I think that I may have stumbled upon the problem, but need the help from
> someone on the infra team. Then again I may just be completely mistaken.
>
> Prior to the little hiccup we have at the moment VM's that were used for
> devstack on the infra side would have 1 interface:
>
> 2013-09-10 06:32:22.208 | Triggered by: https://review.openstack.org/40359
> patchset 4
> 2013-09-10 06:32:22.208 | Pipeline: gate
> 2013-09-10 06:32:22.208 | IP configuration of this host:
> 2013-09-10 06:32:22.209 | 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc
> noqueue state UNKNOWN
> 2013-09-10 06:32:22.209 |     inet 127.0.0.1/8 scope host lo
> 2013-09-10 06:32:22.209 | 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
> 1500 qdisc pfifo_fast state UP qlen 1000
> 2013-09-10 06:32:22.209 |     inet 10.2.144.147/15 brd 10.3.255.255 scope
> global eth0
> 2013-09-10 06:32:23.193 | Running devstack
> 2013-09-10 06:32:23.866 | Using mysql database backend
>
>
>
> In the latest version they have 2:
>
> 2013-10-03 11:33:54.298 | 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc
> noqueue state UNKNOWN
> 2013-10-03 11:33:54.299 |     inet 127.0.0.1/8 scope host lo
> 2013-10-03 11:33:54.300 | 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
> 1500 qdisc pfifo_fast state UP qlen 1000
> 2013-10-03 11:33:54.301 |     inet 162.242.160.129/24 brd 162.242.160.255
> scope global eth0
> 2013-10-03 11:33:54.302 | 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
> 1500 qdisc pfifo_fast state UP qlen 1000
> 2013-10-03 11:33:54.302 |     inet 10.208.24.83/17 brd 10.208.127.255
> scope global eth1
> 2013-10-03 11:33:57.539 | Running devstack
> 2013-10-03 11:33:58.780 | Using mysql database backend
>
>
>
> The problems occur when the when the the following line is invoked:
>
> https://github.com/openstack-dev/devstack/blob/stable/grizzly/lib/quantum#L
> 302
>
> Anyone able to clarify why an additional interface was added?
>
I think the extra interface is a result of using both HPCloud and
Rackspace VMs in the check pipeline tests. HPCloud VMs come with a
single interface with NAT in front of it, Rackspace VMs come with two
interfaces (an internal and external interface). It all depends on
where the test is being run.

Clark