tree 1af0d1cf037b33226c4536ec9cfeb8e34848a7e4
parent 7eab5dad283483a2a6816b186f2364461a45c539
author Yuxiao Zhang <yuxiaozhang@google.com> 1712091722 -0700
committer Nan Zhou <nanzhou@google.com> 1712267020 +0000

Add precondition checks on psu sensor service

This will prevent the psu sensor from restarting when powercycle is
happening.

Tested:
before the change:

Apr 02 14:33:23 dddhd28-nfd01.prod.google.com tray_powercycle.sh[8370]: Terminated
Apr 02 14:33:23 dddhd28-nfd01.prod.google.com tray_powercycle.sh[8370]: This service has been killed...
Apr 02 14:33:23 dddhd28-nfd01.prod.google.com tray_powercycle.sh[8370]: Stopping psusensor_monitor

Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: chassis-system-reset.service: State 'stop-sigterm' timed out. Killing.
Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: chassis-system-reset.service: Killing process 8370 (tray_powercycle) with signal SIGKILL.
Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: chassis-system-reset.service: Killing process 8533 (sleep) with signal SIGKILL.
Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: chassis-system-reset.service: Main process exited, code=killed, status=9/KILL
Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: chassis-system-reset.service: Failed with result 'timeout'.
Apr 02 14:34:54 dddhd28-nfd01.prod.google.com systemd[1]: Stopped System unit to hard reset or system reset chassis.

after the change:

Apr 02 14:36:19 dddgy20-nfd01.prod.google.com tray_powercycle.sh[5385]: Stopping psusensor_monitor
Apr 02 14:36:19 dddgy20-nfd01.prod.google.com tray_powercycle.sh[5385]: Stop msvfud
Apr 02 14:36:19 dddgy20-nfd01.prod.google.com tray_powercycle.sh[5392]: {"Staged State":"UPDATED"}
Apr 02 14:36:19 dddgy20-nfd01.prod.google.com tray_powercycle.sh[5385]: fake bios update start

Apr 02 14:36:40 dddgy20-nfd01.prod.google.com systemd[1]: PSU Sensor was skipped because of an unmet condition check (ConditionPathExists=!/run/powercycle_ongoing).

Apr 02 14:41:19 dddgy20-nfd01.prod.google.com tray_powercycle.sh[5385]: powercycle happened!

https://fusion2.corp.google.com/2997dddd-e925-331d-a89b-1161f483a6e2

Google-Bug-Id: 332538728
Change-Id: I994d9d40d2ac143400252d46c80f2845febe8750
Signed-off-by: Yuxiao Zhang <yuxiaozhang@google.com>
(cherry picked from commit d44eed0dfebe6cb01bf85c1238e8c2d5b475ba84)