Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: subiquity (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2105453
Title:
25.04 autoinstall fails on transitional deb/snap
Status in subiquity:
New
Status in firefox package in Ubuntu:
Confirmed
Status in subiquity package in Ubuntu:
Confirmed
Bug description:
The autoinstall 25.04 fails on installing transisional snaps (debs which
install snaps) when specified through autoinstall yaml. This was tested with
both ubuntu-desktop-minimal (which depends on transitional firefox) and
chromium-browser debs.
This bug was not present with the 24.10 and 24.04 installers so it appears to
be a regression of subiquity.
[Testing]
# get latest server live installer iso
wget
https://cdimage.ubuntu.com/ubuntu-server/daily-live/current/plucky-live-server-amd64.iso
# create autoinstaller config
cat >user-data <<EOF
#cloud-config
autoinstall:
version: 1
identity:
realname: 'Ubuntu User'
username: ubuntu
# pass ubuntu
password:
$y$j9T$UZRAMHPJuyNCTCMoZifEn.$Ah7fL4j5OlwL/T.vU429diDIA64ntEhQslzCxscHZoD
hostname: tstvm
update: true
channel: latest/edge
locale: en_US.UTF-8
keyboard:
layout: us
packages:
# either of those break
- ubuntu-desktop-minimal
- chromium-browser
EOF
cloud-localds preinst.img user-data
# create disk
qemu-img create -f qcow2 foo.img 20G
# launch autoinstaller vm
kvm -smp 4 -m 2G -drive file=foo.img -nic user -cdrom
plucky-live-server-amd64.iso --drive file=preinst.img
[Other Info]
* The fact that metapackages (e.g. ubuntu-desktop) depend on those
transitional debs limits the usage of autoinstalling those snaps though the
`snap` feature.
* A workaround for purely `recommends` package, is to inject a pin priority
of -1000 to prevent their installation altogether, allowing the installation of
metapackages (e.g. ubuntu-desktop-minimal) to succeed. e.g.
autoinstall:
apt:
preferences:
- package: firefox*
pin: release o=ubuntu
pin-priority: -1000
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