[Bug 2077572] [NEW] Latest in main branch creates too small images for UC

[Alfonso Sanchez-Beato]

Public bug reported:

When building from https://github.com/canonical/ubuntu-
image/commit/43771d1c02c35c2f78da1022274f8d7c2e47e4cc , I get this when
creating an image with simple command:

$ ubuntu-image snap <model>

when running it:

Aug 21 18:28:08 qemuname snapd[1675]: Device     Start     End Sectors  Size Type
Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda1   2048    4095    2048    1M BIOS boot
Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda2   4096 2461695 2457600  1.2G EFI System
Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda3: Created a new partition 3 of type 'Linux filesystem' and of size 750 MiB.
Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda4: Created a new partition 4 of type 'Linux filesystem' and of size 32 MiB.
Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda5: The last usable GPT sector is 6127649, but 6160383 is requested.
Aug 21 18:28:08 qemuname snapd[1675]: Failed to add #5 partition: Invalid argument
Aug 21 18:28:08 qemuname snapd[1675]: Leaving.
Aug 21 18:28:08 qemuname snapd[1675]: -----

so it seems that created images are slightly smaller than they should to
be able to run normally.

Furthermore, I see this warning when running the tool:

WARNING: No mkfs configuration found for this series: 16.04. Will
fallback on the default one.

while I am actually running on 22.04. I wonder if the "series" of the
model (that is always 16) is being taken as the distro version, which
should be deducted from the model base instead.

** Affects: ubuntu-image
     Importance: Undecided
         Status: New

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Title:
  Latest in main branch creates too small images for UC

Status in Ubuntu Image:
  New

Bug description:
  When building from https://github.com/canonical/ubuntu-
  image/commit/43771d1c02c35c2f78da1022274f8d7c2e47e4cc , I get this
  when creating an image with simple command:

  $ ubuntu-image snap <model>

  when running it:

  Aug 21 18:28:08 qemuname snapd[1675]: Device     Start     End Sectors  Size Type
  Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda1   2048    4095    2048    1M BIOS boot
  Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda2   4096 2461695 2457600  1.2G EFI System
  Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda3: Created a new partition 3 of type 'Linux filesystem' and of size 750 MiB.
  Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda4: Created a new partition 4 of type 'Linux filesystem' and of size 32 MiB.
  Aug 21 18:28:08 qemuname snapd[1675]: /dev/vda5: The last usable GPT sector is 6127649, but 6160383 is requested.
  Aug 21 18:28:08 qemuname snapd[1675]: Failed to add #5 partition: Invalid argument
  Aug 21 18:28:08 qemuname snapd[1675]: Leaving.
  Aug 21 18:28:08 qemuname snapd[1675]: -----

  so it seems that created images are slightly smaller than they should
  to be able to run normally.

  Furthermore, I see this warning when running the tool:

  WARNING: No mkfs configuration found for this series: 16.04. Will
  fallback on the default one.

  while I am actually running on 22.04. I wonder if the "series" of the
  model (that is always 16) is being taken as the distro version, which
  should be deducted from the model base instead.

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