May 2018
Intermediate to advanced
554 pages
13h 51m
English
Content preview from Kubernetes Cookbook - Second Edition
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Schedule to run Job using CronJob
If you are familiar with UNIX CronJob or Java Quartz (http://www.quartz-scheduler.org), Kubernetes CronJob is a very straightforward tool that you can define a particular timing to run your Kubernetes Job repeatedly.
The scheduling format is very simple; it specifies the following five items:
- Minutes (0 – 59)
- Hours (0 – 23)
- Day of Month (1 – 31)
- Month (1 – 12)
- Day of week (0: Sunday – 6: Saturday)
For example, if you want to run your Job only at 9:00am on November 12th, every year, to send a birthday greeting to me :-), the schedule format could be 0 9 12 11 *.
You may also use slash (/) to specify a step value; a run every 5 minutes interval for the previous Job example would have the following schedule ...
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