test/units/TEST-01-BASIC.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -eux
   4 set -o pipefail
   5
   6 # Check if the colored --version output behaves correctly
   7 SYSTEMD_COLORS=256 systemctl --version
   8
   9 # Check if we properly differentiate between a full systemd setup and a "light"
  10 # version of it that's done during daemon-reexec
  11 #
  12 # See: https://github.com/systemd/systemd/issues/27106
  13 if systemd-detect-virt -q --container; then
  14     # We initialize /run/systemd/container only during a full setup
  15     test -e /run/systemd/container
  16     cp -afv /run/systemd/container /tmp/container
  17     rm -fv /run/systemd/container
  18     systemctl daemon-reexec
  19     test ! -e /run/systemd/container
  20     cp -afv /tmp/container /run/systemd/container
  21 else
  22     # We bring the loopback netdev up only during a full setup, so it should
  23     # not get brought back up during reexec if we disable it beforehand
  24     [[ "$(ip -o link show lo)" =~ LOOPBACK,UP ]]
  25     ip link set lo down
  26     [[ "$(ip -o link show lo)" =~ state\ DOWN ]]
  27     systemctl daemon-reexec
  28     [[ "$(ip -o link show lo)" =~ state\ DOWN ]]
  29     ip link set lo up
  30
  31     # We also disable coredumps only during a full setup
  32     sysctl -w kernel.core_pattern=dont-overwrite-me
  33     systemctl daemon-reexec
  34     diff <(echo dont-overwrite-me) <(sysctl --values kernel.core_pattern)
  35 fi
  36
  37 # Collect failed units & do one daemon-reload to a basic sanity check
  38 systemctl --state=failed --no-legend --no-pager | tee /failed
  39 test ! -s /failed
  40 systemctl daemon-reload
  41
  42 # Check that the early setup is actually skipped on reexec.
  43 # If the early setup is done more than once, then several timestamps,
  44 # e.g. SecurityStartTimestamp, are re-initialized, and causes an ABRT
  45 # of systemd-analyze blame. See issue #27187.
  46 systemd-analyze blame
  47
  48 # Test for 'systemd-update-utmp runlevel' vs 'systemctl daemon-reexec'.
  49 # See issue #27163.
  50 # shellcheck disable=SC2034
  51 if [[ -x /usr/lib/systemd/systemd-update-utmp ]]; then
  52     for _ in {0..10}; do
  53         systemctl daemon-reexec &
  54         pid_reexec=$!
  55         # shellcheck disable=SC2034
  56         for _ in {0..10}; do
  57             SYSTEMD_LOG_LEVEL=debug /usr/lib/systemd/systemd-update-utmp runlevel
  58         done
  59         wait "$pid_reexec"
  60     done
  61 fi
  62
  63 touch /testok