TESTED=I deployed it on alpha, renamed some hosts, and verified that
the [] ran as expected.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134991941
This will replace the existing DnsRefreshForHostRenameAction.
This is stage one of a three stage migration process. It adds the new queue and
[] but doesn't call them yet. Stage two will cut over to using the new
functionality, and stage three will remove the old functionality.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134793963
Also consolidates the DNS refresh functionality in AsyncFlowUtils that was
being used by HostUpdateFlow into AsyncFlowEnqueuer.
TESTED=I threw together some batch scripts to create dozens of contacts on
alpha and then request their deletion, and the [] ran fine and
successfully deleted them in batches.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133714691
This allows handling of N asynchronous deletion requests simultaneously instead
of just 1. An accumulation pull queue is used for deletion requests, and the
async deletion [] is now fired off whenever that pull queue isn't empty,
and processes many tasks at once. This doesn't particularly take more time,
because the bulk of the cost of the async delete operation is simply iterating
over all DomainBases (which has to happen regardless of how many contacts and
hosts are being deleted).
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133169336
