[Bug 2013403] Re: lunar riscv64 preinstalled image shows login prompt before login is possible

[Brett Holman]

Thanks for the feedback Steve and John. Agreed, the fix belongs in
cloud-init.

I just proposed a change[1] that I think should resolve the issue for
console access. It addresses the ssh use case too.

[1] https://github.com/canonical/cloud-init/pull/2111/files

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Title:
  lunar riscv64 preinstalled image shows login prompt before login is
  possible

Status in cloud-init package in Ubuntu:
  In Progress
Status in livecd-rootfs package in Ubuntu:
  New

Bug description:
  Testing the lunar unmatched daily image in qemu, I was given a login
  prompt on console and tried to log in, and it repeatedly failed.

  This is because cloud-init had not finished running, so the user that
  was provisioned via nocloud data was not actually available.

  There should not be a race.  The login prompt should not be shown
  until after the user exists - either by changing the ordering of the
  systemd units, or by not using cloud-init to configure the initial
  user.  (I don't see any obvious reason that a hard-coded initial
  user/password should be done via cloud-init instead of being
  prepopulated in /etc/passwd, but feel free to enlighten me.)

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