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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# disable shellcheck warning about '"aaa"' type quotation
# shellcheck disable=SC2016
set -eux
set -o pipefail
# shellcheck source=test/units/assert.sh
. "$(dirname "$0")"/assert.sh
mkdir -p /run/udev/rules.d/
# test for ID_RENAMING= udev property and device unit state
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
ACTION=="remove", GOTO="hoge_end"
SUBSYSTEM!="net", GOTO="hoge_end"
KERNEL!="hoge", GOTO="hoge_end"
OPTIONS="log_level=debug"
# emulate renaming
ACTION=="online", ENV{ID_RENAMING}="1"
LABEL="hoge_end"
EOF
udevadm control --log-priority=debug --reload --timeout=30
ip link add hoge type dummy
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
udevadm trigger --action=online --settle /sys/devices/virtual/net/hoge
assert_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
udevadm trigger --action=move --settle /sys/devices/virtual/net/hoge
assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
# test for renaming interface with NAME= (issue #25106)
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
ACTION!="add", GOTO="hoge_end"
SUBSYSTEM!="net", GOTO="hoge_end"
OPTIONS="log_level=debug"
KERNEL=="hoge", NAME="foobar"
KERNEL=="foobar", NAME="hoge"
LABEL="hoge_end"
EOF
udevadm control --log-priority=debug --reload --timeout=30
# FIXME(?): the 'add' uevent is broadcast as for 'foobar', instead of 'hoge'. Hence, we cannot use --settle here.
# See issue #25115.
udevadm trigger --action=add /sys/devices/virtual/net/hoge
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/foobar
assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/foobar)"
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "active" ]]; do sleep .5; done'
udevadm trigger --action=add /sys/devices/virtual/net/foobar
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "inactive" ]]; do sleep .5; done'
# cleanup
rm -f /run/udev/rules.d/50-testsuite.rules
udevadm control --reload --timeout=30
# test for renaming interface with an external tool (issue #16967)
ip link set hoge name foobar
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/foobar
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "active" ]]; do sleep .5; done'
ip link set foobar name hoge
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "inactive" ]]; do sleep .5; done'
timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "inactive" ]]; do sleep .5; done'
# cleanup
ip link del hoge
exit 0
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