sonic-buildimage/files/build_templates/tacacs-config.timer
Oleksandr Ivantsiv c9ba827773
[202205] [services] Update "WantedBy=" section for tacacs-config.timer. (#11893) (#12080)
Manually cherry-picking #11893

- Why I did it
The timer execution may fail if triggered during a config reload (when the sonic.target is stopped). This might happen in a rare situation if config reload is executed after reboot in a small time slot (for 0 to 30 seconds) before the tacacs-config timer is triggered:

systemctl status tacacs-config.timer
tacacs-config.timer - Delays tacacs apply until SONiC has started
Loaded: loaded (/lib/systemd/system/tacacs-config.timer; enabled-runtime; vendor preset: enabled)
Active: failed (Result: resources) since Mon 2022-08-29 15:53:03 IDT; 1min 28s ago
Trigger: n/a
Triggers: tacacs-config.service

Aug 29 15:47:53 r-boxer-sw01 systemd[1]: Started Delays tacacs apply until SONiC has started.
Aug 29 15:53:03 r-boxer-sw01 systemd[1]: tacacs-config.timer: Failed to queue unit startup job: Transaction for tacacs-config.service/start is destructive (mgmt-framework.timer has 's>
Aug 29 15:53:03 r-boxer-sw01 systemd[1]: tacacs-config.timer: Failed with result 'resources'.

- How I did it
To ensure that timer execution will be resumed after a config reload the WantedBy section of the systemd service is updated to describe relation to sonic.target.

- How to verify it
Reboot the system
After reboot monitor tacacs-config.timer status. 30 seconds before timer activation run "config reload -y" command.
Check system status.

Signed-off-by: Oleksandr Ivantsiv <oivantsiv@nvidia.com>
2022-09-19 09:20:10 +03:00

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SYSTEMD

[Unit]
Description=Delays tacacs apply until SONiC has started
PartOf=tacacs-config.service
After=updategraph.service
[Timer]
OnUnitActiveSec=0 sec
OnBootSec=5min 30 sec
Unit=tacacs-config.service
[Install]
WantedBy=timers.target sonic.target sonic-delayed.target