ashb opened a new pull request, #73249:
URL: https://github.com/apache/airflow/pull/73249
The supervisor uses _terminal_state inconsistently: failed and skipped
outcomes are recorded when the worker reports them, while other outcomes
are recorded only after the API call succeeds. This couples the known
task outcome to API availability and makes deferred reporting harder to
reason about.
This changes things so we record the worker’s outcome immediately on an
instance field and use the existing pending message to track delivery.
Failed API calls retain that message and keep heartbeats running. Upon
task process exit pending reports take precedence over exit-code
inference. Server-directed termination (zombie detection, external
clearing, etc.) overrides pending reporting and any worker outcomes
received during shutdown.
The previous tests required _terminal_state to remain unset after an API
failure because setting it stopped heartbeats. That assertion reflected
the old coupling between outcome and delivery. The updated tests check
the underlying guarantees: retain the report, continue heartbeats, and
recover through the correct endpoint.
Post-task finalization timeouts now depend on the recorded completion
timestamp, independently of whether reporting succeeds. This also bounds
finalization when the initial API call fails.
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