Make GCS deletes idempotent and raise delete_many timeout#139
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GCS returns 404 when an object was already deleted, for example by a concurrent upload of the same package deleting the same unversioned files. Treat 404 as success in Hexdocs.Store.GS.delete/2 instead of crashing the whole upload with a MatchError. Also raise the delete_many Task.async_stream timeout from 10s to 60s, matching upload_new_files: a single retried GCS request can spend 8s in backoff sleeps alone, so a slow delete could exceed the 10s task timeout and crash the upload.
ericmj
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Jul 9, 2026
PR #139 added test/hexdocs/store/gs_test.exs, which uses Bandit and Plug.Conn for a mock GCS server, while PR #140 removed the bandit dependency along with the HTTP serving layer. Each PR passed CI against its own base, but together they broke compilation of the test suite on main. Keep the app itself a pure background pipeline by re-adding bandit only for the test environment.
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Fixes three Sentry crashes in docs upload processing, all in
Hexdocs.Store.GS:delete/2pattern-matched on{:ok, 204, ...}, but GCS returns 404 when the object is already gone — which happens when two uploads of the same package run concurrently and both try to delete the package-leveldocs_config.js. Deletes now treat 404 as success.delete_many/2ran itsTask.async_streamwith a 10s per-task timeout, butHexdocs.HTTP.retrycan spend 8s in backoff sleeps alone, plus up to 30s per attempt, so a single slow or retried GCS delete crashed the whole upload. The timeout is now 60s, matchingupload_new_files/1inHexdocs.Bucket.Crashed uploads self-healed via SQS redelivery, so the impact was limited to delayed docs publishing.