1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
#!/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
udevadm trigger --action=add --settle /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 [[ "$(systemctl show --property=ActiveState --value /sys/subsystem/net/devices/foobar)" != "active" ]]; do sleep .5; done'
udevadm trigger --action=add --settle /sys/devices/virtual/net/foobar
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
assert_not_in "ID_RENAMING=" "$(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
teardown_netif_renaming_conflict() {
set +ex
if [[ -n "$KILL_PID" ]]; then
kill "$KILL_PID"
fi
rm -rf "$TMPDIR"
rm -f /run/udev/rules.d/50-testsuite.rules
udevadm control --reload --timeout=30
ip link del hoge
ip link del foobar
}
test_netif_renaming_conflict() {
local since found=
trap teardown_netif_renaming_conflict RETURN
cat >/run/udev/rules.d/50-testsuite.rules <<EOF
ACTION!="add", GOTO="hoge_end"
SUBSYSTEM!="net", GOTO="hoge_end"
OPTIONS="log_level=debug"
KERNEL=="foobar", NAME="hoge"
LABEL="hoge_end"
EOF
udevadm control --log-priority=debug --reload --timeout=30
ip link add hoge type dummy
udevadm wait --timeout=30 --settle /sys/devices/virtual/net/hoge
TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
udevadm monitor --udev --property --subsystem-match=net >"$TMPDIR"/monitor.txt &
KILL_PID="$!"
# make sure that 'udevadm monitor' actually monitor uevents
sleep 1
since="$(date '+%H:%M:%S')"
# add another interface which will conflict with an existing interface
ip link add foobar type dummy
for _ in {1..40}; do
if (
grep -q 'ACTION=add' "$TMPDIR"/monitor.txt
grep -q 'DEVPATH=/devices/virtual/net/foobar' "$TMPDIR"/monitor.txt
grep -q 'SUBSYSTEM=net' "$TMPDIR"/monitor.txt
grep -q 'INTERFACE=foobar' "$TMPDIR"/monitor.txt
grep -q 'ID_NET_DRIVER=dummy' "$TMPDIR"/monitor.txt
grep -q 'ID_NET_NAME=foobar' "$TMPDIR"/monitor.txt
# Even when network interface renaming is failed, SYSTEMD_ALIAS with the conflicting name will be broadcast.
grep -q 'SYSTEMD_ALIAS=/sys/subsystem/net/devices/hoge' "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_FAILED=1' "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_ERRNO=17' "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_ERRNO_NAME=EEXIST' "$TMPDIR"/monitor.txt
); then
cat "$TMPDIR"/monitor.txt
found=1
break
fi
sleep .5
done
test -n "$found"
timeout 30 bash -c "while ! journalctl _PID=1 _COMM=systemd --since $since | grep -q 'foobar: systemd-udevd failed to process the device, ignoring: File exists'; do sleep 1; done"
# check if the invalid SYSTEMD_ALIAS property for the interface foobar is ignored by PID1
assert_eq "$(systemctl show --property=SysFSPath --value /sys/subsystem/net/devices/hoge)" "/sys/devices/virtual/net/hoge"
}
test_netif_renaming_conflict
exit 0
|
