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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
# Check if the colored --version output behaves correctly
SYSTEMD_COLORS=256 systemctl --version
# Check if we properly differentiate between a full systemd setup and a "light"
# version of it that's done during daemon-reexec
#
# See: https://github.com/systemd/systemd/issues/27106
if systemd-detect-virt -q --container; then
# We initialize /run/systemd/container only during a full setup
test -e /run/systemd/container
cp -afv /run/systemd/container /tmp/container
rm -fv /run/systemd/container
systemctl daemon-reexec
test ! -e /run/systemd/container
cp -afv /tmp/container /run/systemd/container
else
# We bring the loopback netdev up only during a full setup, so it should
# not get brought back up during reexec if we disable it beforehand
[[ "$(ip -o link show lo)" =~ LOOPBACK,UP ]]
ip link set lo down
[[ "$(ip -o link show lo)" =~ state\ DOWN ]]
systemctl daemon-reexec
[[ "$(ip -o link show lo)" =~ state\ DOWN ]]
ip link set lo up
# We also disable coredumps only during a full setup
sysctl -w kernel.core_pattern=dont-overwrite-me
systemctl daemon-reexec
diff <(echo dont-overwrite-me) <(sysctl --values kernel.core_pattern)
fi
# Collect failed units & do one daemon-reload to a basic sanity check
systemctl --state=failed --no-legend --no-pager | tee /failed
test ! -s /failed
systemctl daemon-reload
# Check that the early setup is actually skipped on reexec.
# If the early setup is done more than once, then several timestamps,
# e.g. SecurityStartTimestamp, are re-initialized, and causes an ABRT
# of systemd-analyze blame. See issue #27187.
systemd-analyze blame
# Test for 'systemd-update-utmp runlevel' vs 'systemctl daemon-reexec'.
# See issue #27163.
# shellcheck disable=SC2034
for _ in {0..10}; do
systemctl daemon-reexec &
pid_reexec=$!
# shellcheck disable=SC2034
for _ in {0..10}; do
SYSTEMD_LOG_LEVEL=debug /usr/lib/systemd/systemd-update-utmp runlevel
done
wait "$pid_reexec"
done
touch /testok
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