[Bug 1901846] Re: unbreak ubuntu:desktop-preinstalled images without subarch

[Dimitri John Ledkov]

** Description changed:

  unbreak ubuntu:desktop-preinstalled images without subarch
  
  Prior to groovy, ubuntu:desktop-preinstalled images for hyperv used to
  build fine.
  
  Introduction of ubuntu:desktop-preinstalled for raspi subarch, did not
  take into account the hyperv images, and thus regressed building them.
  
  It resulted in no ubuntu-desktop getting installed in the image, luckily
  resulting in the image failing to build.
  
  Correct this by ensuring that ubuntu-desktop is installed with, or
  without subarch specification.
+ 
+ Once above was fixed, we have also identified that pkla file was written
+ incorrectly, and fixed that up too.
+ 
+ [Impact]
+ 
+  * Hyperv gallery image fails to build
+ 
+ [Test Case]
+ 
+  * Trigger build of https://launchpad.net/~cloud-
+ images/+livefs/ubuntu/groovy/cpc with livecd-rootfs from proposed
+ 
+  * The build should succeed
+ 
+  * Buildlog should not have errors from writing out pkla file
+ 
+ [Regression Potential]
+ 
+  * The code path affects Ubuntu Desktop for Raspberry Pi images too.
+ Ideally we would trigger a build of Ubuntu Desktop for Raspberry Pi on
+ arm64 and ensure there are no changes to it.

** Changed in: livecd-rootfs (Ubuntu Groovy)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1901846

Title:
  unbreak ubuntu:desktop-preinstalled images without subarch

Status in livecd-rootfs package in Ubuntu:
  Fix Released
Status in livecd-rootfs source package in Groovy:
  In Progress

Bug description:
  unbreak ubuntu:desktop-preinstalled images without subarch

  Prior to groovy, ubuntu:desktop-preinstalled images for hyperv used to
  build fine.

  Introduction of ubuntu:desktop-preinstalled for raspi subarch, did not
  take into account the hyperv images, and thus regressed building them.

  It resulted in no ubuntu-desktop getting installed in the image,
  luckily resulting in the image failing to build.

  Correct this by ensuring that ubuntu-desktop is installed with, or
  without subarch specification.

  Once above was fixed, we have also identified that pkla file was
  written incorrectly, and fixed that up too.

  [Impact]

   * Hyperv gallery image fails to build

  [Test Case]

   * Trigger build of https://launchpad.net/~cloud-
  images/+livefs/ubuntu/groovy/cpc with livecd-rootfs from proposed

   * The build should succeed

   * Buildlog should not have errors from writing out pkla file

  [Regression Potential]

   * The code path affects Ubuntu Desktop for Raspberry Pi images too.
  Ideally we would trigger a build of Ubuntu Desktop for Raspberry Pi on
  arm64 and ensure there are no changes to it.

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