** Description changed:

- # Overview
+ [Impact]
+ 
+ Snaps tracking a stable/ubuntu-$version are not upgraded during the
+ release upgrade process.
  
  Per LP: #1827951 and LP: #1748581, it would appear that if a snap is
  tracking a release channel (e.g. latest/stable/ubuntu-20.10), during a
  do-release-upgrade the snap channel should update to the new release.
  Testing of a Google cloud image, from 20.10 to 21.04 the google-cloud-
  sdk does not get updated.
  
  # Expected result
  
  After a do-release-upgrade, the snap channel for google-cloud-sdk should
  be updated from "latest/stable/ubuntu-20.10" to
  "latest/stable/ubuntu-21.04".
  
  # Actual result
  
  After install, the snap continues to track "latest/stable/ubuntu-20.10".
  
- # Steps to reproduce
+ [Test Plan]
+ GCE image test
  
  1. Boot 20.10 GCE image
  2. snap info google-cloud-sdk --> "latest/stable/ubuntu-20.10"
  3. do-release-upgrade -d
  4. accept defaults and reboot
  5. snap info google-cloud-sdk --> "latest/stable/ubuntu-20.10"
  
+ With the version from -proposed the snap will be tracking
+ "latest/stable/ubuntu-21.04"
+ 
+ Ubuntu Desktop test (regression test)
+ 1. Create an Ubuntu 20.10 installation (w/ ubuntu-desktop)
+ 2. Run 'do-release-upgrade -d' to upgrade to Hirsute
+ 3. Ensure that the gtk-common-themes (and gnome-3-34-1804) snap is now 
tracking "latest/stable/ubuntu-21.04" via snap-info
+ 
+ With the version from -proposed the snaps will also be upgraded to
+ "latest/stable/ubuntu-21.04".
+ 
+ [Where Problems could occur]
+ This could regress the upgrading of snaps for Ubuntu desktop images but we've 
identified that and created a regression test for that scenario.
+ 
  # Logs
  
  main.log https://paste.ubuntu.com/p/kbSvM5JMzP/
  screenlog.0 https://paste.ubuntu.com/p/h5kvtcX5Z6/
  apt-term.log https://paste.ubuntu.com/p/gNJVzbtT4Z/

** Description changed:

  [Impact]
  
- Snaps tracking a stable/ubuntu-$version are not upgraded during the
- release upgrade process.
+ Snaps tracking a stable/ubuntu-$version (other than gnome-3-34-1804 and
+ gtk-common-themes) are not upgraded during the release upgrade process.
  
  Per LP: #1827951 and LP: #1748581, it would appear that if a snap is
  tracking a release channel (e.g. latest/stable/ubuntu-20.10), during a
  do-release-upgrade the snap channel should update to the new release.
  Testing of a Google cloud image, from 20.10 to 21.04 the google-cloud-
  sdk does not get updated.
  
  # Expected result
  
  After a do-release-upgrade, the snap channel for google-cloud-sdk should
  be updated from "latest/stable/ubuntu-20.10" to
  "latest/stable/ubuntu-21.04".
  
  # Actual result
  
  After install, the snap continues to track "latest/stable/ubuntu-20.10".
  
  [Test Plan]
  GCE image test
  
  1. Boot 20.10 GCE image
  2. snap info google-cloud-sdk --> "latest/stable/ubuntu-20.10"
  3. do-release-upgrade -d
  4. accept defaults and reboot
  5. snap info google-cloud-sdk --> "latest/stable/ubuntu-20.10"
  
  With the version from -proposed the snap will be tracking
  "latest/stable/ubuntu-21.04"
  
  Ubuntu Desktop test (regression test)
  1. Create an Ubuntu 20.10 installation (w/ ubuntu-desktop)
  2. Run 'do-release-upgrade -d' to upgrade to Hirsute
  3. Ensure that the gtk-common-themes (and gnome-3-34-1804) snap is now 
tracking "latest/stable/ubuntu-21.04" via snap-info
  
  With the version from -proposed the snaps will also be upgraded to
  "latest/stable/ubuntu-21.04".
  
  [Where Problems could occur]
  This could regress the upgrading of snaps for Ubuntu desktop images but we've 
identified that and created a regression test for that scenario.
  
  # Logs
  
  main.log https://paste.ubuntu.com/p/kbSvM5JMzP/
  screenlog.0 https://paste.ubuntu.com/p/h5kvtcX5Z6/
  apt-term.log https://paste.ubuntu.com/p/gNJVzbtT4Z/

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https://bugs.launchpad.net/bugs/1922297

Title:
  20.10 to 21.04: snap does not upgrade channel

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