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7a321b5a21
Having these named differently than the test itself mostly creates unecessary confusion and makes writing logic against the tests harder so let's rename the testsuite-xx units and scripts to just use the test name itself.
173 lines
5.2 KiB
Bash
Executable File
173 lines
5.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -eux
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set -o pipefail
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# Test changing the main PID
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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# The main service PID should be the parent bash process
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MAINPID="${PPID:?}"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Start a test process inside of our own cgroup
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sleep infinity &
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INTERNALPID=$!
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disown
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# Start a test process outside of our own cgroup
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systemd-run -p DynamicUser=1 --unit=test-sleep.service /bin/sleep infinity
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EXTERNALPID="$(systemctl show -P MainPID test-sleep.service)"
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# Update our own main PID to the external test PID, this should work
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systemd-notify MAINPID="$EXTERNALPID"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$EXTERNALPID"
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# Update our own main PID to the internal test PID, this should work, too
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systemd-notify MAINPID=$INTERNALPID
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$INTERNALPID"
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# Update it back to our own PID, this should also work
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systemd-notify MAINPID="$MAINPID"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Try to set it to PID 1, which it should ignore, because that's the manager
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systemd-notify MAINPID=1
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Try to set it to PID 0, which is invalid and should be ignored
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systemd-notify MAINPID=0
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Try to set it to a valid but non-existing PID, which should be ignored. (Note
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# that we set the PID to a value well above any known /proc/sys/kernel/pid_max,
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# which means we can be pretty sure it doesn't exist by coincidence)
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systemd-notify MAINPID=1073741824
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Change it again to the external PID, without privileges this time. This should be ignored, because the PID is from outside of our cgroup and we lack privileges.
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systemd-notify --uid=1000 MAINPID="$EXTERNALPID"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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# Change it again to the internal PID, without privileges this time. This should work, as the process is on our cgroup, and that's enough even if we lack privileges.
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systemd-notify --uid=1000 MAINPID="$INTERNALPID"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$INTERNALPID"
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# Update it back to our own PID, this should also work
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systemd-notify --uid=1000 MAINPID="$MAINPID"
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test "$(systemctl show -P MainPID TEST-07-PID1.service)" -eq "$MAINPID"
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cat >/tmp/test-mainpid.sh <<\EOF
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#!/usr/bin/env bash
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set -eux
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set -o pipefail
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# Create a number of children, and make one the main one
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sleep infinity &
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disown
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sleep infinity &
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MAINPID=$!
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disown
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sleep infinity &
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disown
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echo $MAINPID >/run/mainpidsh/pid
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EOF
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chmod +x /tmp/test-mainpid.sh
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systemd-run --unit=test-mainpidsh.service \
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-p StandardOutput=tty \
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-p StandardError=tty \
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-p Type=forking \
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-p RuntimeDirectory=mainpidsh \
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-p PIDFile=/run/mainpidsh/pid \
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/tmp/test-mainpid.sh
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test "$(systemctl show -P MainPID test-mainpidsh.service)" -eq "$(cat /run/mainpidsh/pid)"
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cat >/tmp/test-mainpid2.sh <<\EOF
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#!/usr/bin/env bash
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set -eux
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set -o pipefail
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# Create a number of children, and make one the main one
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sleep infinity &
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disown
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sleep infinity &
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MAINPID=$!
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disown
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sleep infinity &
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disown
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echo $MAINPID >/run/mainpidsh2/pid
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chown 1001:1001 /run/mainpidsh2/pid
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EOF
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chmod +x /tmp/test-mainpid2.sh
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systemd-run --unit=test-mainpidsh2.service \
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-p StandardOutput=tty \
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-p StandardError=tty \
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-p Type=forking \
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-p RuntimeDirectory=mainpidsh2 \
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-p PIDFile=/run/mainpidsh2/pid \
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/tmp/test-mainpid2.sh
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test "$(systemctl show -P MainPID test-mainpidsh2.service)" -eq "$(cat /run/mainpidsh2/pid)"
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cat >/dev/shm/test-mainpid3.sh <<EOF
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#!/usr/bin/env bash
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set -eux
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set -o pipefail
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sleep infinity &
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disown
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sleep infinity &
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disown
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sleep infinity &
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disown
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# Let's try to play games, and link up a privileged PID file
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ln -s ../mainpidsh/pid /run/mainpidsh3/pid
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# Quick assertion that the link isn't dead
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test -f /run/mainpidsh3/pid
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EOF
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chmod 755 /dev/shm/test-mainpid3.sh
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# This has to fail, as we shouldn't accept the dangerous PID file, and then
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# inotify-wait on it to be corrected which we never do.
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(! systemd-run \
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--unit=test-mainpidsh3.service \
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-p StandardOutput=tty \
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-p StandardError=tty \
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-p Type=forking \
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-p RuntimeDirectory=mainpidsh3 \
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-p PIDFile=/run/mainpidsh3/pid \
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-p DynamicUser=1 \
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`# Make sanitizers happy when DynamicUser=1 pulls in instrumented systemd NSS modules` \
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-p EnvironmentFile=-/usr/lib/systemd/systemd-asan-env \
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-p TimeoutStartSec=2s \
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/dev/shm/test-mainpid3.sh)
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# Test that this failed due to timeout, and not some other error
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test "$(systemctl show -P Result test-mainpidsh3.service)" = timeout
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# Test that scope units work
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systemd-run --scope --unit test-true.scope /bin/true
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test "$(systemctl show -P Result test-true.scope)" = success
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# Test that user scope units work as well
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systemctl start user@4711.service
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runas testuser systemd-run --scope --user --unit test-true.scope /bin/true
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test "$(systemctl show -P Result test-true.scope)" = success
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