[scheduler] Add backfilling#1776
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app_dart/lib/src/service/config.dart
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| /// | ||
| /// Relies on the GitHub Checks API being enabled for this repo. | ||
| static Set<RepositorySlug> supportedRepos = <RepositorySlug>{ | ||
| Set<RepositorySlug> supportedRepos = <RepositorySlug>{ |
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This needed to be changed so tests could override it. Otherwise, the data would look weird where there would be 6 backfills instead of 1 (1 for each supported repo)
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| final List<FullTask> backfillTask = |
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It would be interesting to use this logic to rerun failed tests to surface flakes. Not needed in this PR though.
| late FakePubSub pubsub; | ||
| late FakeScheduler scheduler; | ||
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| group('BatchBackfiller', () { |
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could you add tests for batch scheduling cases: more than 1 target are scheduled when they all need to schedule; only one target is scheduled when itself needs to schedule, etc?
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Thanks, good point on having multiple columns being tested at a time.
To clarify, I added tests for when:
- Only one column needs to be backfilled
- 2 columns need to be backfilled
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| - description: backfills builds | ||
| url: /api/scheduler/batch-backfiller | ||
| schedule: every 5 minutes |
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I believe this is a no-op for LUCI triggered builders?
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Correct. Those targets have a OmitPolicy which means Cocoon doesn't do anything.
CaseyHillers
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flutter/flutter#100793
This implements a cron job that looks at task columns, and backfills them. It will only run a max of one task per column at a given time.
This is needed to migrate the devicelab tests over to the cocoon scheduler.