Async tasks will now re-enqueue themselves after completion if there are
additional pending future actions. This allows all parts of domain delete flows
to be successfully re-saved as the parts happen, without going past the maximum
allowed 30 day task ETA limit. The first task runs at 30 days out when the
redemption grace period ends, and that task then enqueues another task to run 5
more days in the future, when the deletion is final and the pending delete
status gets removed.
No data migration plan is necessary because future resaves defaults to empty,
and indeed will always be empty on transfers. So previously enqueued tasks will
still be valid.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=202949677
This is used in the domain transfer and delete flows, both of which are
asynchronous flows that have implicit default actions that will be taken at some
point in the future. This CL adds scheduled re-saves to take place soon after
those default actions would become effective, so that they can be re-saved
quickly if so.
Unfortunately the redemption grace period on our TLDs is 35 days, which exceeds
the 30 day maximum task ETA in App Engine, so these won't actually fire. That's
fine though; the deletion is actually effective as of 5 days, and this is just
removing the grace period.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201345274
