Open Stack

Hi Julia,Team,

Thank you for the response @Julia Kreger <juliaashleykreger at gmail.com>

On Thu, Jul 27, 2023 at 6:59 PM Julia Kreger <juliaashleykreger at gmail.com>
wrote:

>
> I guess what is weird in this entire thing is it sounds like you're
> shifting over to what appears to be OPROM boot code in a network interface
> card, which might not support v6. Then again a port mirrored packet capture
> would be the needful item to troubleshoot further.
>

We have setup a local dnsmasq-dhcp server and TFTP server on a VM and tried
PXE booting the same set of hardwares.
The hardware are booting on IPV6 so I think the hardware supports IPV6 PXE
booting.


> Are you able to extract the exact command line which is being passed to
> the dnsmasq process for that container launch?
>
> I guess I'm worried if somehow dnsmasq changed or if an old version is
> somehow in the container image you're using.
>
>
 The command line which is getting executed is as follows:
"  "command": [
    "/bin/bash",
    "-c",
    "BIND_HOST=ca:ca:ca:9900::171; /usr/sbin/dnsmasq --keep-in-foreground
--log-facility=/var/log/ironic/dnsmasq.log --user=root
--conf-file=/dev/null --listen-address=$BIND_HOST --port=0 --enable-tftp
--tftp-root=/var/lib/ironic/tftpboot"
  ],
"
We found this command in the following:
/var/lib/tripleo-config/container-startup-config/step_4/ironic_pxe_tftp.json

Apart from this we also tried to install the openstack version zed.
In this version, the container ironic_pxe_tftp is up and running but we
were still getting the same error:

[image: image.png]

We tried to curl the file which the TFTP container provides from a remote
machine(not the undercloud), but we are unable to curl it.

[image: image.png]

But when, we do the same thing from the undercloud, it is working fine:

[image: image.png]

We also set up an undercloud machine on ipv4 for comparison.
When we tried to curl the image from a remote machine(not the undercloud)
for this server, we were able to curl it.

[image: image.png]

On further digging, we found that in the zed release, the "ironic_pxe_tftp"
is in *healthy *state while three containers namely:
"ironic_api","ironic_conductor","ironic_pxe_http" are in *unhealthy *state
but are up and running.
We re-installed the undercloud on the fresh machine and re-tried node
introspection after performing basic tasks like image upload, node
registration.
To our surprise, the Introspection was successful. and the nodes came in
available state:

[image: nodes_available_4.PNG]

At this point we were also able to curl the file from a random machine:

[image: image.png]

But it all stopped once we restarted the undercloud node even though all
the containers were up and running.
We are further investigating this issue.

Thanks and Regards
Kushagra Gupta
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