[Bug 1878225] Re: snapd.seeded.service waits forever (?) to have snaps seeded in LXD on s390x and arm64

[Dimitri John Ledkov]

@snapd team

This is automated, unattended deployments, which have no ability to
"stop snapd.seeding, and run it again". That's not an acceptable
solution. The unit is pulled into the initial transaction, failing or
stopping it, will make the transaction fail, and will fail to complete
the boot correctly and finish cloud-init on first boot, which needs to
install snaps  and have operation snapd which has completed seeding.

It sounds like we must remove seeded snaps from our LXD images, and not
install any seeded snaps inside our container. And like only install the
lxd stub deb. Cause it looks like seeding snaps is not supported inside
classic lxd containers.


** Changed in: snapd (Ubuntu)
   Importance: High => Critical

** Also affects: snapd
   Importance: Undecided
       Status: New

** Also affects: cloud-images
   Importance: Undecided
       Status: New

** Summary changed:

- snapd.seeded.service waits forever (?) to have snaps seeded in LXD on s390x and arm64 
+ Please remove lxd.snap from lxd images, as it fails to seed thus failing the first boot - snapd.seeded.service waits forever (?) to have snaps seeded in LXD on s390x and arm64

** Changed in: autopkgtest (Ubuntu)
       Status: New => Invalid

** Changed in: auto-package-testing
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1878225

Title:
  Please remove lxd.snap from lxd images, as it fails to seed thus
  failing the first boot - snapd.seeded.service waits forever (?) to
  have snaps seeded in LXD on s390x and arm64

Status in Auto Package Testing:
  Invalid
Status in cloud-images:
  New
Status in snapd:
  New
Status in autopkgtest package in Ubuntu:
  Invalid
Status in lxd package in Ubuntu:
  Incomplete
Status in snapd package in Ubuntu:
  Confirmed

Bug description:
  lxc launch ubuntu-daily:groovy gg-test
  lxc shell gg-test
  root at gg-test:~# service snapd.seeded status
  ● snapd.seeded.service - Wait until snapd is fully seeded
       Loaded: loaded (/lib/systemd/system/snapd.seeded.service; enabled; vendor preset: enabled)
       Active: activating (start) since Tue 2020-05-12 14:14:52 UTC; 30min ago
     Main PID: 249 (snap)
        Tasks: 10 (limit: 4704)
       Memory: 11.3M
       CGroup: /system.slice/snapd.seeded.service
               └─249 /usr/bin/snap wait system seed.loaded

  May 12 14:14:52 gg-test systemd[1]: Starting Wait until snapd is fully
  seeded...

  root at gg-test:~# systemctl list-jobs 
  JOB UNIT                                 TYPE  STATE  
  132 systemd-update-utmp-runlevel.service start waiting
  119 cloud-config.service                 start waiting
  122 snapd.seeded.service                 start running
  2   multi-user.target                    start waiting
  115 cloud-init.target                    start waiting
  1   graphical.target                     start waiting
  138 snapd.autoimport.service             start waiting
  121 cloud-final.service                  start waiting

  8 jobs listed.

  root at gg-test:~# journalctl -a | pastebinit
  https://paste.ubuntu.com/p/PtdcvvdKCM/

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