canonical-ubuntu-qa team mailing list archive

[Paride Legovini <2012514@xxxxxxxxxxxxxxxxxx>]

Hello Robie,

Let me try to recap to see if I got this right. $HOME is correctly set
during the actual test run (_regardless_ of --shell-fail), but in the
shell you are brought to by --shell-fail $HOME is not set. You were
trying to use this environment to further develop the test, but the
absence of $HOME got in the way. Is this correct?

Assuming it is:

It would be nice to make --shell and --shell-fail bring to the exact
environment where the test run. However at the moment autopkgtest makes
no promise in this regard, and in general I don't think it can make a
"hard" promise as the test run itself may have altered the system in a
way that makes it impossible to recreate the same environment. (One
random example: the test run alters the system hostname. How is
autopkgtest going to "undo" that to recreate the environment before the
test?)

As I see it --shell and --shell-fail are mostly meant to inspect the
testbed system. Most of the time it is possible to re-run tests from
that environment, but that's not guaranteed.

autopkgtest uses different ways to get a shell in the testbed system,
depending on the virt server in use. This is likely why noticed a
difference when using the null virt server.

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

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https://bugs.launchpad.net/bugs/2012514

Title:
  $HOME is not set in --shell-fail prompt

Status in autopkgtest package in Ubuntu:
  Incomplete

Bug description:
  Steps to reproduce:

  pull-lp-source hello
  cd hello-*
  # Stick "exit 1" into debian/tests/upstream-tests so it will fail
  dpkg-buildpackage -us -uc -S -sd -nc -d
  cd ..
  autopkgtest -s -B *dsc -- lxd ubuntu-daily:lunar
  echo $HOME

  # Actual behaviour: $HOME is unset; expected behaviour: $HOME is set

  $ dpkg-query -W autopkgtest
  autopkgtest     5.25ubuntu4

  I tried this on sid with the null runner, and $HOME was set correctly
  there. This might be a consequence of the null runner not resetting
  the environment (as might be expected), or point to a bug specifically
  in the lxd runner; I'm not sure.

  I did find that $HOME is set in the actual test run. But then my test-
  in-development started failing in other ways because $HOME was not set
  in the --shell-fail environment. What I expect is that the --shell-
  fail environment is identical; otherwise it's difficult for debugging.

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