wido commented on issue #12210:
URL: https://github.com/apache/cloudstack/issues/12210#issuecomment-4728086955
I wanted to make sure that cloud-init would handle this properly. On a
Proxmox node I gave this a manual test and used this network config via
ConfigDrive on a Ubuntu 26.04 server:
<pre>
root@cloud-init:/tmp/init# cat network-config
version: 1
config:
- type: physical
name: eth0
mac_address: 'bc:24:11:bf:52:70'
subnets:
- type: static
address: '2.57.57.26'
netmask: '255.255.255.255'
gateway: '169.254.0.1'
- type: static6
address: '2a14:9b80::26/128'
gateway: 'fe80::1'
- type: nameserver
address:
- '2620:fe::fe'
- '2620:fe::9'
search:
- 'ams02.cldin.net'
root@cloud-init:/tmp/init#
</pre>
This resulted in the correct netplan network:
<pre>
root@cloud-init:~# cat /etc/netplan/00-installer-config.yaml
# This is the network config written by 'subiquity'
network:
ethernets:
eth0:
addresses:
- 2.57.57.26/32
- 2a14:9b80::26/128
match:
macaddress: bc:24:11:bf:52:70
nameservers:
addresses:
- 2620:fe::fe
- 2620:fe::9
search:
- ams02.cldin.net
routes:
- on-link: true
to: default
via: 169.254.0.1
- on-link: true
to: default
via: fe80::1
set-name: eth0
version: 2
root@cloud-init:~#
</pre>
The proper IPv4 and IPv6 routes were installed:
<pre>
root@cloud-init:~# ip -4 route show
default via 169.254.0.1 dev eth0 proto static onlink
root@cloud-init:~# ip -6 route show
2a14:9b80::26 dev eth0 proto kernel metric 256 pref medium
fe80::/64 dev eth0 proto kernel metric 256 pref medium
default via fe80::1 dev eth0 proto static metric 1024 onlink pref medium
root@cloud-init:~#
</pre>
This is still on my whishlist to develop should I be able to find the time
for it.
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