I retried with a fresh installation.
Prior to the 'Network connection' subiquity step/screen there is no
network yaml config in /etc/cloud/cloud.cfg.d/, but in /etc/netplan:
root@ubuntu-server:/# ls -l /etc/cloud/cloud.cfg.d/
total 4
-rw-r--r-- 1 root root 2057 Mar 10 14:22 05_logging.cfg
-rw-r--r-- 1 root root 285 Mar 30 07:55 90_dpkg.cfg
-rw-r--r-- 1 root root 167 Mar 10 14:22 README
root@ubuntu-server:/#
root@ubuntu-server:/# ls -l /etc/netplan/
total 8
-rw-r--r-- 1 root root 364 Apr 4 05:52 00-installer-config.yaml
-rw-r--r-- 1 root root 645 Apr 4 05:32 50-cloud-init.yaml.dist-subiquity
root@ubuntu-server:/#
And the content is:
root@ubuntu-server:/# cat /etc/netplan/50-cloud-init.yaml.dist-subiquity
# This file is generated from information provided by the datasource. Changes
# to it will not persist across an instance reboot. To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
version: 2
ethernets:
encc000.2653:
addresses:
- 10.245.236.15/24
gateway4: 10.245.236.1
match:
macaddress: ea:59:2f:d3:f2:08
nameservers:
addresses:
- 10.245.236.1
set-name: encc000.2653
root@ubuntu-server:/#
root@ubuntu-server:/# cat /etc/netplan/00-installer-config.yaml
# This is the network config written by 'subiquity'
network:
ethernets:
encc000:
match:
macaddress: ea:59:2f:d3:f2:08
nameservers:
addresses:
- 10.245.236.1
set-name: encc000.2653
version: 2
vlans:
encc000.2653:
id: 2653
link: encc000
nameservers:
addresses:
- 10.245.236.1
root@ubuntu-server:/#
The 50-cloud-init.yaml.dist-subiquity looks incorrect to me, since it
doesn't define the base interface 'encc000', I already mentioned that
match macaddresses shouldn't be there on this platform and are actually
not needed imho (and d-i does not set it either), and I also don't know
the reason for "set-name: encc000.2653".
The 00-installer-config.yaml looks different - it defines the base interface
encc000, but afaik neame server settings should only be at the vlan interface
encc000.2653, right? (Maybe it doesn't harm to have them twice, but look weird
and unneeded). But here is not gateway(4) set!
The 'match: macaddress' entry is here, too as well as 'set-name: encc000.2653',
but the latter one is here part of the base interface, and in the cloud init
version it is part of the vlan interface.
And since I'm not able to correctly configure a working VLAN (with base and
VLAN interface) via the subiquity UI, I can't provide more valuable information.
My next step would be to rewrite the one of the two netplan yaml files (or
replace it with an own one) that I know is working, and I think that is finally
copied to /etc/cloud/cloud.cfg.d/.
I attached the full steps/sequence ...
Btw. I found now the following block in the boot messages (I don't
remember seeing that before):
...
"[ 31.245347] cloud-init[1139]: 2020-04-04 06:02:30,261 - stages.py[WARNING]:
F"
"ailed to rename devices: [unknown] Error performing rename('encc000',
'encc000.2"
"653') for 06:1b:99:08:98:c7, encc000.2653: Unexpected error while running
comman"
d.
"[ 31.245381] cloud-init[1139]: Command: ['ip', 'link', 'set', 'encc000',
'name"
"', 'encc000.2653']"
"[ 31.245414] cloud-init[1139]: Exit code: 2"
"[ 31.245446] cloud-init[1139]: Reason: -"
"[ 31.245478] cloud-init[1139]: Stdout:"
"[ 31.245510] cloud-init[1139]: Stderr: RTNETLINK answers: File exists"
"[ 31.245545] cloud-init[1139]: [unknown] Error performing
up('encc000.2653',)"
"for 06:1b:99:08:98:c7, encc000.2653: Unexpected error while running command."
"[ 31.245578] cloud-init[1139]: Command: ['ip', 'link', 'set',
'encc000.2653',"
'up']
"[ 31.245611] cloud-init[1139]: Exit code: 2"
"[ 31.245642] cloud-init[1139]: Reason: -"
"[ 31.245674] cloud-init[1139]: Stdout:"
"[ 31.245708] cloud-init[1139]: Stderr: RTNETLINK answers: Network is down"
...
** Attachment added: "subiquity test - focal live 01042020 - network.txt"
https://bugs.launchpad.net/cloud-init/+bug/1869155/+attachment/5344136/+files/subiquity%20test%20-%20focal%20live%2001042020%20-%20network.txt
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https://bugs.launchpad.net/bugs/1869155
Title:
When installing with subiquity, the generated network config uses the
macaddress keyword on s390x (where MAC addresses are not necessarily
stable across reboots)
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