[Bug 2059550] Re: autopkgtest failures on 1:5.0.3-2ubuntu2 (Noble)

[Aleksandr Mikhalitsyn]

It's worth mentioning that this debdiff includes not only tests
disabling but also fix that allows to build source package on Ubuntu.

If you do:

pull-lp-source liblxc-dev noble-proposed
cd lxc-5.0.3
debuild -S -d

you will see something like this:

 dpkg-source -b .
dpkg-source: info: using source format '3.0 (quilt)'
dpkg-source: info: building lxc using existing ./lxc_5.0.3.orig.tar.gz
dpkg-source: info: building lxc using existing ./lxc_5.0.3.orig.tar.gz.asc
dpkg-source: info: using patch list from debian/patches/series
dpkg-source: info: local changes detected, the modified files are:
 lxc-5.0.3/config/apparmor/abstractions/start-container.in
 lxc-5.0.3/config/apparmor/usr.bin.lxc-copy
 lxc-5.0.3/config/apparmor/usr.bin.lxc-start
dpkg-source: error: aborting due to unexpected upstream changes, see /tmp/lxc_5.0.3-2ubuntu3.diff.21HvOc
dpkg-source: info: Hint: make sure the version in debian/changelog matches the unpacked source tree
dpkg-source: info: you can integrate the local changes with dpkg-source --commit
dpkg-buildpackage: error: dpkg-source -b . subprocess returned exit status 2
debuild: fatal error at line 1182:
dpkg-buildpackage -us -uc -ui -S -d failed

It's because of the way how we apply custom Ubuntu patches.

This debian diff file contains fix for this too.

** Summary changed:

- autopkgtest failures on 1:5.0.3-2ubuntu2 (Noble)
+ autopkgtest failures on 1:5.0.3-2ubuntu3 (Noble)

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https://bugs.launchpad.net/bugs/2059550

Title:
  autopkgtest failures on 1:5.0.3-2ubuntu3 (Noble)

Status in lxc package in Ubuntu:
  New

Bug description:
  We can see autopkgtest failures on Noble:
  https://autopkgtest.ubuntu.com/packages/lxc
  1:5.0.3-2ubuntu2 from noble-proposed/universe

  Details from log (https://autopkgtest.ubuntu.com/results/autopkgtest-noble/noble/amd64/l/lxc/20240327_203000_ce7d4@/log.gz):
  =====================
  3266s Removing autopkgtest-satdep (0) ...
  3269s autopkgtest [20:29:48]: test no-devel: [-----------------------
  3269s + grep LXC_DEVEL /usr/include/lxc/version.h
  3269s + grep 0
  3269s #define LXC_DEVEL 0
  3269s autopkgtest [20:29:48]: test no-devel: -----------------------]
  3269s autopkgtest [20:29:48]: test no-devel:  - - - - - - - - - - results - - - - - - - - - -
  3269s no-devel             PASS
  3269s autopkgtest [20:29:48]: @@@@@@@@@@@@@@@@@@@@ summary
  3269s exercise             FAIL non-zero exit status 1
  3269s unprivileged-containers FAIL non-zero exit status 1
  3269s basics-create-destroy PASS (superficial)
  3269s no-devel             PASS
  =====================

  
  unprivileged-containers
  =====================
  1896s Unpacking the rootfs
  1900s 
  1900s ---
  1900s You just created an Ubuntu mantic amd64 (20240326_07:42) container.
  1900s 
  1900s To enable SSH, run: apt install openssh-server
  1900s No default root or user password are set by LXC.
  1900s + systemd-run --scope --quiet --user --property=Delegate=yes lxc-start -n mycontainer
  1900s Failed to connect to bus: No medium found

  =====================

  exercise
  =====================
  1113s FAIL: lxc-tests: /usr/bin/lxc-test-unpriv
  1113s ---
  1113s Name:           c1
  1113s State:          RUNNING
  1113s PID:            52927
  1113s Link:           veth1001_HZ75
  1113s  TX bytes:      0 bytes
  1113s  RX bytes:      0 bytes
  1113s  Total bytes:   0 bytes
  1113s Name:           c1
  1113s State:          RUNNING
  1113s PID:            52994
  1113s Link:           veth1001_ujGT
  1113s  TX bytes:      0 bytes
  1113s  RX bytes:      0 bytes
  1113s  Total bytes:   0 bytes
  1113s lxc-copy: c1: ../src/lxc/utils.c: lxc_drop_groups: 1365 Operation not permitted - Failed to drop supplimentary groups
  <...>
  1113s info: Removing crontab ...
  1113s info: Removing user `lxcunpriv' ...
  1113s FAIL
  1113s ---
  1114s PASS: lxc-tests: /usr/bin/lxc-test-usernic
  1114s PASS: lxc-tests: /usr/bin/lxc-test-usernsexec
  1114s PASS: lxc-tests: /usr/bin/lxc-test-utils
  1114s 
  1114s SUMMARY: pass=55, fail=1, ignored=0
  1115s autopkgtest [19:53:54]: test exercise: -----------------------]
  1115s autopkgtest [19:53:54]: test exercise:  - - - - - - - - - - results - - - - - - - - - -
  1115s exercise             FAIL non-zero exit status 1
  =====================

  
  In the previous version we had no unprivileged-containers testsuite because it was inherited from Debian.

  lxc-test-unpriv was a skipped test too because we had this piece of code:
  https://git.launchpad.net/ubuntu/+source/lxc/tree/debian/tests/exercise?h=applied/ubuntu/noble#n129
  =====================
      # Skip some tests due to cgroup v2 incompatibility
      if [ -e /sys/fs/cgroup/system.slice/memory.current ]; then

          [ "$testbin" = "lxc-test-apparmor-mount" ] && \
              ignore "$STRING" && continue

          [ "$testbin" = "lxc-test-autostart" ] && \
              ignore "$STRING" && continue

          [ "$testbin" = "lxc-test-no-new-privs" ] && \
              ignore "$STRING" && continue

          [ "$testbin" = "lxc-test-unpriv" ] && \
              ignore "$STRING" && continue

      fi
  =====================

  Just compare:
  https://git.launchpad.net/ubuntu/+source/lxc/tree/debian/tests/control?h=applied/ubuntu/noble
  and
  https://git.launchpad.net/ubuntu/+source/lxc/tree/debian/tests/control?h=applied/ubuntu/noble-devel

  We want to fix all of this for sure, but it would be awesome to get an
  updated and actual version of LXC in the upcoming Ubuntu Noble release
  too. So, may be it makes sense to skip this tests for the sake of
  having LXC updated.

  What I found in Debian, is that autopkgtests are skipped too:
  https://ci.debian.net/packages/l/lxc/unstable/amd64/

  Taking this into account it (probably) reasonable to skip this tests
  too for now.

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