Arvados

I don't know what component should be responsible for this, but I find myself wanting a way to schedule periodic tasks.

For my use case, I want to run automatic housekeeping and reporting tasks. For example, running a daily/weekly cluster usage report which writes an HTML report to a collection (see #21888)

I could envision it used for tasks such as automating data transfer to/from the cluster and chaining tasks from that (such as running analysis).

Should discuss if it makes sense to cobble something together in the short term (a smallish task-specific python script running on the shell node) and scale it out.

Alternately, we could add a way to schedule containers so that they are not ready to run until a specific time has passed, this would allow tasks to run and then re-schedule themselves.