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test: use Type=notify together with busctl monitor

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Let's use the newly gained feature of `busctl` and start is as a
Type=notify unit, which should make sure the unit is started only after
`busctl` is on the bus listening for messages.

This should help with a race spotted in CIs, where we continued too
early after starting `busctl monitor` and miss the emitted signals:

[   10.914831] testsuite-45.sh[694]: + systemd-run --unit busctl-monitor.service --service-type=exec busctl monitor --json=short '--match=type='\''signal'\'',sender=org.freedesktop.timesync1,member='\''PropertiesChanged'\'',path=/org/free>
[   11.064365] systemd[1]: Starting busctl-monitor.service...
[   11.064903] systemd[1]: Started busctl-monitor.service.
[   11.065192] testsuite-45.sh[740]: Running as unit: busctl-monitor.service; invocation ID: ee44a9d713c34b9a97e3e7f6f4fffe77
...
[   11.069255] testsuite-45.sh[694]: + timedatectl ntp-servers ntp99 10.0.0.1
[   11.077140] systemd-timesyncd[728]: Network configuration changed, trying to establish connection.
[   11.077461] testsuite-45.sh[694]: + assert_networkd_ntp ntp99 10.0.0.1
...
[   11.087418] testsuite-45.sh[694]: + assert_timesyncd_signal '2023-11-08 16:28:48.861455' LinkNTPServers 10.0.0.1
...
[   11.095543] testsuite-45.sh[694]: + for _ in {0..9}
[   11.095543] testsuite-45.sh[694]: + journalctl -q '--since=2023-11-08 16:28:48.861455' -p info _SYSTEMD_UNIT=busctl-monitor.service --grep .
[   11.193258] systemd-journald[375]: Received client request to sync journal.
[   11.112424] testsuite-45.sh[694]: + sleep .5
[   11.160318] dbus-daemon[465]: [system] Connection :1.56 (uid=0 pid=741 comm="/usr/bin/busctl monitor --json=short --match=type=") became a monitor.

Resolves: #29923
This commit is contained in:
Frantisek Sumsal
2023-11-09 00:00:27 +01:00
parent c39a6ab789
commit 730ccf9681
1 changed files with 2 additions and 2 deletions
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4
test/units/testsuite-45.sh
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@@ -263,7 +263,7 @@ EOF
systemctl daemon-reload
fi
systemd-run --unit busctl-monitor.service --service-type=exec \
systemd-run --unit busctl-monitor.service --service-type=notify \
busctl monitor --json=short --match="type=signal,sender=org.freedesktop.timedate1,member=PropertiesChanged,path=/org/freedesktop/timedate1"
: 'Disable NTP'
@@ -357,7 +357,7 @@ EOF
systemctl restart systemd-networkd
networkctl status ntp99
systemd-run --unit busctl-monitor.service --service-type=exec \
systemd-run --unit busctl-monitor.service --service-type=notify \
busctl monitor --json=short --match="type=signal,sender=org.freedesktop.timesync1,member=PropertiesChanged,path=/org/freedesktop/timesync1"
# LinkNTPServers