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1

I'm fetching data files from a server owned by someone else. The data files are posted once a day between 6:00 AM and 12:00 Noon. Once I fetch the file for a given day I don't need to check again until the next day.

I have a systemd timer that fires every hour. The timer exec's a systemd service, and the service executes a script to perform the fetch. The script currently exits if the data file has been downloaded.

I'd like to move the logic to fetch the file out of the script and into the timer. This should cut down on useless log entries I have to wade through.

The question is, how do I specify a timer that runs once an hour at 6:00 AM, and then exits for the day when the associated service is successful? Or is this something that is better handled in the script?

---

Here's the current timer code:

# cat /etc/systemd/system/ftc-data.timer
[Unit]
Description=Run ftc-data.service every hour

[Timer]
OnCalendar=00/1:00
RandomizedDelaySec=600
Persistent=true

[Install]
WantedBy=timers.target

fedora systemd systemd-timer

share|improve this question

asked Apr 2 at 15:23

jwwjww

1,63432668

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  OnUnitActiveSec= and OnUnitInactiveSec= might be interesting to you. freedesktop.org/software/systemd/man/systemd.timer.html
  
  – Mioriin
  Apr 6 at 4:55
  

  
  
  
  

add a comment | 

1

I'm fetching data files from a server owned by someone else. The data files are posted once a day between 6:00 AM and 12:00 Noon. Once I fetch the file for a given day I don't need to check again until the next day.

I have a systemd timer that fires every hour. The timer exec's a systemd service, and the service executes a script to perform the fetch. The script currently exits if the data file has been downloaded.

I'd like to move the logic to fetch the file out of the script and into the timer. This should cut down on useless log entries I have to wade through.

The question is, how do I specify a timer that runs once an hour at 6:00 AM, and then exits for the day when the associated service is successful? Or is this something that is better handled in the script?

---

Here's the current timer code:

# cat /etc/systemd/system/ftc-data.timer
[Unit]
Description=Run ftc-data.service every hour

[Timer]
OnCalendar=00/1:00
RandomizedDelaySec=600
Persistent=true

[Install]
WantedBy=timers.target

fedora systemd systemd-timer

share|improve this question

asked Apr 2 at 15:23

jwwjww

1,63432668

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  OnUnitActiveSec= and OnUnitInactiveSec= might be interesting to you. freedesktop.org/software/systemd/man/systemd.timer.html
  
  – Mioriin
  Apr 6 at 4:55
  

  
  
  
  

add a comment | 

I'm fetching data files from a server owned by someone else. The data files are posted once a day between 6:00 AM and 12:00 Noon. Once I fetch the file for a given day I don't need to check again until the next day.

I have a systemd timer that fires every hour. The timer exec's a systemd service, and the service executes a script to perform the fetch. The script currently exits if the data file has been downloaded.

I'd like to move the logic to fetch the file out of the script and into the timer. This should cut down on useless log entries I have to wade through.

The question is, how do I specify a timer that runs once an hour at 6:00 AM, and then exits for the day when the associated service is successful? Or is this something that is better handled in the script?

---

Here's the current timer code:

# cat /etc/systemd/system/ftc-data.timer
[Unit]
Description=Run ftc-data.service every hour

[Timer]
OnCalendar=00/1:00
RandomizedDelaySec=600
Persistent=true

[Install]
WantedBy=timers.target

fedora systemd systemd-timer

share|improve this question

asked Apr 2 at 15:23

jwwjww

1,63432668

# cat /etc/systemd/system/ftc-data.timer
[Unit]
Description=Run ftc-data.service every hour

[Timer]
OnCalendar=00/1:00
RandomizedDelaySec=600
Persistent=true

[Install]
WantedBy=timers.target

share|improve this question

asked Apr 2 at 15:23

jwwjww

1,63432668

share|improve this question

asked Apr 2 at 15:23

jwwjww

1,63432668

asked Apr 2 at 15:23

jwwjww

1,63432668

asked Apr 2 at 15:23

jwwjww

1,63432668