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1c5d54b2df
In general, it's better to avoid a negation. And "!" is special, because it is
used for history expansion, i.e. the same command would behave differently if
pasted on the command line.
Inspired by 4a899c5a23.
183 lines
7.9 KiB
Bash
Executable File
183 lines
7.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# disable shellcheck warning about '"aaa"' type quotation
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# shellcheck disable=SC2016
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set -eux
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set -o pipefail
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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mkdir -p /run/udev/rules.d/
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# test for ID_RENAMING= udev property and device unit state
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cat >/run/udev/rules.d/50-testsuite.rules <<EOF
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ACTION=="remove", GOTO="hoge_end"
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SUBSYSTEM!="net", GOTO="hoge_end"
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KERNEL!="hoge", GOTO="hoge_end"
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OPTIONS="log_level=debug"
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# emulate renaming
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ACTION=="online", ENV{ID_RENAMING}="1"
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LABEL="hoge_end"
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EOF
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udevadm control --log-priority=debug --reload --timeout=30
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ip link add hoge type dummy
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
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assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
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udevadm trigger --action=online --settle /sys/devices/virtual/net/hoge
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assert_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
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udevadm trigger --action=move --settle /sys/devices/virtual/net/hoge
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assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
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# test for renaming interface with NAME= (issue #25106)
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cat >/run/udev/rules.d/50-testsuite.rules <<EOF
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ACTION!="add", GOTO="hoge_end"
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SUBSYSTEM!="net", GOTO="hoge_end"
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OPTIONS="log_level=debug"
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KERNEL=="hoge", NAME="foobar"
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KERNEL=="foobar", NAME="hoge"
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LABEL="hoge_end"
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EOF
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udevadm control --log-priority=debug --reload --timeout=30
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udevadm trigger --action=add --settle /sys/devices/virtual/net/hoge
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/foobar
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assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/foobar)"
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "active" ]]; do sleep .5; done'
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udevadm trigger --action=add --settle /sys/devices/virtual/net/foobar
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
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assert_not_in "ID_RENAMING=" "$(udevadm info /sys/devices/virtual/net/hoge)"
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "inactive" ]]; do sleep .5; done'
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# cleanup
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rm -f /run/udev/rules.d/50-testsuite.rules
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udevadm control --reload --timeout=30
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# test for renaming interface with an external tool (issue #16967)
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ip link set hoge name foobar
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/foobar
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "active" ]]; do sleep .5; done'
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ip link set foobar name hoge
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/hoge)" != "active" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/devices/virtual/net/foobar)" != "inactive" ]]; do sleep .5; done'
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timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "inactive" ]]; do sleep .5; done'
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# cleanup
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ip link del hoge
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# shellcheck disable=SC2317
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teardown_netif_renaming_conflict() {
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set +ex
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if [[ -n "$KILL_PID" ]]; then
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kill "$KILL_PID"
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fi
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rm -rf "$TMPDIR"
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rm -f /run/udev/rules.d/50-testsuite.rules
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udevadm control --reload --timeout=30
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ip link del hoge
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ip link del foobar
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}
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test_netif_renaming_conflict() {
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local since found=
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trap teardown_netif_renaming_conflict RETURN
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cat >/run/udev/rules.d/50-testsuite.rules <<EOF
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ACTION!="add", GOTO="hoge_end"
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SUBSYSTEM!="net", GOTO="hoge_end"
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OPTIONS="log_level=debug"
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KERNEL=="foobar", NAME="hoge"
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LABEL="hoge_end"
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EOF
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udevadm control --log-priority=debug --reload --timeout=30
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ip link add hoge type dummy
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udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
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TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
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udevadm monitor --udev --property --subsystem-match=net >"$TMPDIR"/monitor.txt &
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KILL_PID="$!"
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# make sure that 'udevadm monitor' actually monitor uevents
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sleep 1
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since="$(date '+%H:%M:%S')"
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# add another interface which will conflict with an existing interface
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ip link add foobar type dummy
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for _ in {1..40}; do
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if (
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grep -q 'ACTION=add' "$TMPDIR"/monitor.txt
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grep -q 'DEVPATH=/devices/virtual/net/foobar' "$TMPDIR"/monitor.txt
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grep -q 'SUBSYSTEM=net' "$TMPDIR"/monitor.txt
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grep -q 'INTERFACE=foobar' "$TMPDIR"/monitor.txt
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grep -q 'ID_NET_DRIVER=dummy' "$TMPDIR"/monitor.txt
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grep -q 'ID_NET_NAME=foobar' "$TMPDIR"/monitor.txt
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# Even when network interface renaming is failed, SYSTEMD_ALIAS with the conflicting name will be broadcast.
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grep -q 'SYSTEMD_ALIAS=/sys/subsystem/net/devices/hoge' "$TMPDIR"/monitor.txt
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grep -q 'UDEV_WORKER_FAILED=1' "$TMPDIR"/monitor.txt
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grep -q 'UDEV_WORKER_ERRNO=17' "$TMPDIR"/monitor.txt
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grep -q 'UDEV_WORKER_ERRNO_NAME=EEXIST' "$TMPDIR"/monitor.txt
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); then
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cat "$TMPDIR"/monitor.txt
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found=1
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break
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fi
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sleep .5
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done
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test -n "$found"
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timeout 30 bash -c "until journalctl _PID=1 _COMM=systemd --since $since | grep -q 'foobar: systemd-udevd failed to process the device, ignoring: File exists'; do sleep 1; done"
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# check if the invalid SYSTEMD_ALIAS property for the interface foobar is ignored by PID1
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assert_eq "$(systemctl show --property=SysFSPath --value /sys/subsystem/net/devices/hoge)" "/sys/devices/virtual/net/hoge"
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}
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test_netif_renaming_conflict
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exit 0
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