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111 lines
3.6 KiB
Bash
Executable File
111 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# shellcheck disable=SC2317
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set -ex
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set -o pipefail
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# This is a reproducer of issue #35329,
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# which is a regression caused by 405be62f05d76f1845f347737b5972158c79dd3e.
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IFNAME=udevtestnetif
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at_exit() {
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set +e
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systemctl stop testsleep.service
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rm -f /run/udev/udev.conf.d/timeout.conf
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rm -f /run/udev/rules.d/99-testsuite.rules
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# Forcibly kills sleep command invoked by the udev rule before restarting,
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# otherwise systemctl restart below will takes longer.
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killall -KILL sleep
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udevadm control --reload
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ip link del "$IFNAME"
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}
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trap at_exit EXIT
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udevadm settle
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mkdir -p /run/udev/udev.conf.d/
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cat >/run/udev/udev.conf.d/timeout.conf <<EOF
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event_timeout=1h
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EOF
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# First, test 'add' event.
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mkdir -p /run/udev/rules.d/
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cat >/run/udev/rules.d/99-testsuite.rules <<EOF
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SUBSYSTEM=="net", ACTION=="add", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
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EOF
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udevadm control --reload
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ip link add "$IFNAME" type dummy
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IFINDEX=$(ip -json link show "$IFNAME" | jq '.[].ifindex')
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timeout 30 bash -c "until [[ -e /run/udev/data/n${IFINDEX} ]] && grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
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(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
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(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
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for _ in {1..3}; do
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systemctl daemon-reexec
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(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
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(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
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done
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for _ in {1..3}; do
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systemctl daemon-reload
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(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
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(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
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done
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# Check if the reexec and reload have finished during processing the event.
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grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
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# Forcibly kill sleep command ivoked by the udev rule to finish processing the add event.
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killall sleep
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udevadm settle --timeout=20
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# Check if ID_PROCESSING flag is unset, and the device units are active.
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(! grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}")
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systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
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systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
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# Next, test 'change' event.
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cat >/run/udev/rules.d/99-testsuite.rules <<EOF
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SUBSYSTEM=="net", ACTION=="change", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
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EOF
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udevadm control --reload
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systemd-run \
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-p After="sys-subsystem-net-devices-${IFNAME}.device" \
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-p BindsTo="sys-subsystem-net-devices-${IFNAME}.device" \
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-u testsleep.service \
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sleep 1h
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udevadm trigger "/sys/class/net/${IFNAME}"
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timeout 30 bash -c "until grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
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# Check if the service and device units are still active even ID_PROCESSING flag is set.
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systemctl is-active testsleep.service
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systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
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systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
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for _ in {1..3}; do
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systemctl daemon-reexec
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systemctl is-active testsleep.service
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systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
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systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
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done
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for _ in {1..3}; do
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systemctl daemon-reload
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systemctl is-active testsleep.service
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systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
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systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
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done
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# Check if the reexec and reload have finished during processing the event.
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grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
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exit 0
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