100 lines
3.3 KiB
Diff
100 lines
3.3 KiB
Diff
From 9e9f53612dc2356796cffb25826008944aede0e3 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Mon, 9 Jan 2023 16:02:09 +0900
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Subject: [PATCH] test: add tests for failure in renaming network interface
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(cherry picked from commit 2d0d75b279924934c4c8e9acbc48456b01b71f00)
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Related: RHEL-5988
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---
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test/units/testsuite-17.02.sh | 78 +++++++++++++++++++++++++++++++++++
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1 file changed, 78 insertions(+)
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diff --git a/test/units/testsuite-17.02.sh b/test/units/testsuite-17.02.sh
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index 7abbce7747..ed3b39d074 100755
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--- a/test/units/testsuite-17.02.sh
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+++ b/test/units/testsuite-17.02.sh
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@@ -102,4 +102,82 @@ timeout 30 bash -c 'while [[ "$(systemctl show --property=ActiveState --value /s
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# cleanup
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ip link del hoge
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+teardown_netif_renaming_conflict() {
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+ set +ex
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+
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+ if [[ -n "$KILL_PID" ]]; then
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+ kill "$KILL_PID"
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+ fi
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+
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+ rm -rf "$TMPDIR"
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+
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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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+
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+ ip link del hoge
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+ ip link del foobar
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+}
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+
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+test_netif_renaming_conflict() {
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+ local since found=
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+
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+ trap teardown_netif_renaming_conflict RETURN
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+
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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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+
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+OPTIONS="log_level=debug"
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+
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+KERNEL=="foobar", NAME="hoge"
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+
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+LABEL="hoge_end"
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+EOF
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+
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+ udevadm control --log-priority=debug --reload --timeout=30
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+
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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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+
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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="$!"
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+
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+ # make sure that 'udevadm monitor' actually monitor uevents
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+ sleep 1
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+
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+ since="$(date '+%H:%M:%S')"
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+
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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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+
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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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+
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+ timeout 30 bash -c "while ! journalctl _PID=1 _COMM=systemd --since $since | grep -q 'foobar: systemd-udevd failed to process the device, ignoring: File exists'; do sleep 1; done"
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+ # check if the invalid SYSTEMD_ALIAS property for the interface foobar is ignored by PID1
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+ assert_eq "$(systemctl show --property=SysFSPath --value /sys/subsystem/net/devices/hoge)" "/sys/devices/virtual/net/hoge"
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+}
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+
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+test_netif_renaming_conflict
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+
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exit 0
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