Fix ubuntu unattended installation with guest additions #439
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…r-data section in auto-install file of Subiquity. Needed to set user group correctly" The installer for Ubuntu 26.04 now has the ability to create users before first boot. This will fix the inability to install unattended when Guest Additions are also installed (see ticketref:22278). But for that to work, we need the user parameters to be specified in the identity section, not in the user-data section (which is processed by cloud-init on first boot). ticketref:22278 This reverts commit 911ce9e. Signed-off-by: Olivier Gayot <[email protected]>
…up exists before adding users to it When installing Ubuntu, the vboxsf group does not exist when the postinstall script executes. Ensure it does so that the usermod command can succeed. ticketref:22278 Signed-off-by: Olivier Gayot <[email protected]>
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The installer for Ubuntu 26.04 now has the ability to create users before first boot [1]. With relevant changes to VirtualBox, it will fix the inability to install unattended when Guest Additions are also installed (see ticketref:22278).
But for that to work, we need the user parameters to be specified in the identity section, not in the user-data section (which is still processed by cloud-init on first boot).
In addition, we need to make sure the
vboxsfgroup exists before callingusermod -aG vboxsf [...].I don't have access to bugref:10878 so I can't tell why the user information were moved from identity to cloud-init's user-data in the first place. Please let me know if it was fixing something important?
I've tested these two patches and was able to successfully install the current daily Ubuntu 26.04 ISO with Guest Additions.
https://cdimage.ubuntu.com/ubuntu-server/daily-live/20251214/
(the ISO we be removed in a few day, but the current daily is available at https://cdimage.ubuntu.com/ubuntu-server/daily-live/current/).
OCA: my company membership request is under review.
ticketref:22278
[1] canonical/subiquity#2263