[Bug 1845037] Re: autopkgtest package "lxd" test has started failing

[Dan Streetman]

@stgraber, just to clarify, calls to lxd like this now fail:

root at autopkgtest:~# cat <<EOF | su - ubuntu
> lxc launch ubuntu:bionic
> echo ok done
> EOF
Error: yaml: unmarshal errors:
  line 1: cannot unmarshal !!str `echo ok...` into api.ContainerPut


is it really expected that lxd should fail when used with input queued on stdin like this?

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https://bugs.launchpad.net/bugs/1845037

Title:
  autopkgtest package "lxd" test has started failing

Status in autopkgtest package in Ubuntu:
  In Progress
Status in autopkgtest source package in Xenial:
  In Progress
Status in autopkgtest source package in Bionic:
  In Progress
Status in autopkgtest source package in Disco:
  In Progress
Status in autopkgtest source package in Eoan:
  In Progress

Bug description:
  [impact]

  the failure is seen in (at least) the "lxd" autopkgtest from the autopkgtest package itself, e.g.:
  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-disco/disco/amd64/a/autopkgtest/20190923_160817_66dbe@/log.gz

  [test case]

  run the autopkgtests for the package 'autopkgtest', or check autopkgtest.ubuntu.com, e.g.:
  http://autopkgtest.ubuntu.com/packages/a/autopkgtest/disco/amd64
  http://autopkgtest.ubuntu.com/packages/a/autopkgtest/disco/i386
  http://autopkgtest.ubuntu.com/packages/a/autopkgtest/eoan/amd64
  http://autopkgtest.ubuntu.com/packages/a/autopkgtest/eoan/i386

  note that this is failing only for disco and eoan, and note that the 'lxd' test is skipped for non-intel archs.  this does not appear to be failing on bionic:
  http://autopkgtest.ubuntu.com/packages/a/autopkgtest/bionic/amd64

  [regression potential]

  TBD

  [other info]

  this is reproducable with the current packages from disco-updates
  using a local qemu vm for testing; it seems that some change in the
  lxd snap recently has caused this regression.

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