[Bug 1872941] Re: [Ubuntu 20.04] virt-install fails to detect path after images folder name has changed

[Frank Heimes]

I'm not sure what is expected to happen from your side.
The patch is included in virt-manager version 1:2.2.1-3ubuntu2 an newer:
virt-manager (1:2.2.1-3ubuntu2) focal; urgency=medium
  * Fix legacy-images path for focal. LP: #1872941
and we got positive feedback that it works.
And I just retried again:
$ virt-install --name ubu-vm-focal --memory 2048 --vcpus 2 --disk "size=4" --location http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x --network "network=default"
$ virt-install --name ubu-vm-bionic --memory 2048 --vcpus 2 --disk "size=4" --location http://ports.ubuntu.com/ubuntu-ports/dists/bionic/main/installer-s390x --network "network=default"
and both worked for me (the installation started and I didn't got any <python> errors).

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https://bugs.launchpad.net/bugs/1872941

Title:
  [Ubuntu 20.04] virt-install fails to detect path after images folder
  name has changed

Status in Ubuntu CD Images:
  Opinion
Status in Ubuntu on IBM z Systems:
  Fix Released
Status in debian-installer package in Ubuntu:
  Won't Fix
Status in virt-manager package in Ubuntu:
  Fix Released

Bug description:
  
  For 20.04.0 d-i is changing from /images/ to /legacy-images/ in it's directory structure.

  For 20.04.1+ it will not exist at all.

  For all Ubuntu releases virt-install should learn how to use cloud-
  images from https://cloud-images.ubuntu.com/ which are preinstalled
  cloud-init enabled qcow2 images, with unpacked kernels. Allowing to
  change kernel cmdline parameters and boot in-place. Which is the best
  & default Ubuntu experience on VMs.

  ---

  Installer version: Latest
  https://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x

  Description/Reproduction:
  Start virt-install with the following options:

  virt-install \
  --name ubuntu20-guest1 \
  --memory 4096 \
  --vcpus 4 \
  --disk "size=4" \
  --location http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x \
  --network "network=default"

  Error:
  ERROR    Error validating install location: Could not find an installable distribution at 'http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x'

  The location must be the root directory of an install tree.
  See virt-install man page for various distro examples.

  Looking at previous releases I would guess it expects an "images"
  directory instead of the new "legacy-images" directory. I'm aware of
  the workaround to specify kernel/initramfs directly but that shouldn't
  be a solution.

  == Comment: #2 - Andre Wild1 <Andre.Wild1 at ibm.com> - 2020-04-15 03:51:21 ==
  (In reply to comment #0)
  > Installer version: Latest
  > https://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x
  >

  Sorry I've copied the wrong link. This is the link I've used successfully in the past:
  http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/installer-s390x

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