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systemd/test/units/TEST-23-UNIT-FILE.ExtraFileDescriptors.sh
Ryan Wilson 1863eecff2 Add integration test for ExtraFileDescriptors after daemon-reexec
This commit adds a corresponding integration test for ExtraFileDescriptors
after systemctl daemon-reexec. This ensures systemd keeps the file
descriptors while the service manager is restarting and we don't lose
ability to restart the service correctly.
2024-10-12 20:17:45 +02:00

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1.9 KiB
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Executable File

#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
# shellcheck source=test/units/util.sh
. "$(dirname "$0")"/util.sh
at_exit() {
set +e
rm -rf /tmp/test-extra-fd/
}
trap at_exit EXIT
mkdir /tmp/test-extra-fd
echo "Hello" > /tmp/test-extra-fd/1.txt
echo "Extra" > /tmp/test-extra-fd/2.txt
systemd-analyze log-level debug
# Open files and assign FD to variables
exec {TEST_FD1}</tmp/test-extra-fd/1.txt
exec {TEST_FD2}</tmp/test-extra-fd/2.txt
TEST_UNIT="test-23-extra-fd.service"
busctl call \
org.freedesktop.systemd1 /org/freedesktop/systemd1 \
org.freedesktop.systemd1.Manager StartTransientUnit \
"ssa(sv)a(sa(sv))" "$TEST_UNIT" replace 4 \
ExecStart "a(sasb)" 1 \
/usr/lib/systemd/tests/testdata/units/TEST-23-UNIT-FILE-ExtraFileDescriptors-child.sh \
5 /usr/lib/systemd/tests/testdata/units/TEST-23-UNIT-FILE-ExtraFileDescriptors-child.sh 2 "test:other" "Hello" "Extra" \
true \
RemainAfterExit "b" true \
Type "s" oneshot \
ExtraFileDescriptors "a(hs)" 2 \
"$TEST_FD1" test \
"$TEST_FD2" other \
0
cmp -b <(systemctl show -p ExtraFileDescriptorNames "$TEST_UNIT") <<EOF
ExtraFileDescriptorNames=test other
EOF
# shellcheck disable=SC2016
timeout 10s bash -xec 'while [[ "$(systemctl show -P SubState test-23-extra-fd.service)" != "exited" ]]; do sleep .5; done'
assert_eq "$(systemctl show -P Result "$TEST_UNIT")" "success"
assert_eq "$(systemctl show -P ExecMainStatus "$TEST_UNIT")" "0"
# Verify extra file descriptors stay accessible even after service manager re-executes
systemctl daemon-reexec
systemctl restart "$TEST_UNIT"
assert_eq "$(systemctl show -P SubState "$TEST_UNIT")" "exited"
assert_eq "$(systemctl show -P Result "$TEST_UNIT")" "success"
assert_eq "$(systemctl show -P ExecMainStatus "$TEST_UNIT")" "0"
systemctl stop "$TEST_UNIT"
systemctl log-level info