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fix(storage): Set the idempotency token in the implementation of async rewrites - #16114
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This pull request introduces the generation and reuse of an idempotency token during asynchronous rewrite retries in RewriterConnectionImpl. It adds an InvocationIdGenerator member, captures the generated ID in the retry loop lambda, and includes a unit test to verify that the token is reused across retries. The feedback suggests moving the generated ID into the lambda capture using std::move to avoid an unnecessary string copy.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #16114 +/- ##
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- Coverage 92.72% 92.71% -0.01%
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Files 2356 2356
Lines 220557 220600 +43
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+ Hits 204501 204527 +26
- Misses 16056 16073 +17 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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In the current implementation, during copy/move operations, if the final step commits on GCS but the client times out,
AsyncRetryLoopwill automatically retry. GCS will reject the retry as invalid since the session is closed and therewrite_tokenis already consumed.This PR includes an InvocationIdGenerator in
RewriterConnectionImplto generate the token once perIterate()step, and map it into the ClientContext for all retries of that step.