feat: scale-to-zero NAT instances for AWS#1

Merged

leonardosul merged 30 commits intomainfrom

Feb 26, 2026

Commits on Feb 24, 2026

Commits on Feb 25, 2026

fix: resolve scale-down race from EC2 API eventual consistency

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test: add race condition catalog with unit tests and docs

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style: fix gofmt alignment in race_test.go

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fix: sweep orphan EIPs on NAT termination (R11)

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refactor: replace event-driven logic with reconciliation + reserved concurrency

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fix: correct stale NAT state from EC2 filter eventual consistency

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test: always dump Lambda CloudWatch logs before destroy

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fix: distinguish waiting from converged in reconcile log, expand log dump

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fix: log waiting for nat=stopping, reduce Lambda memory to 128 MB

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docs: update terraform-docs for lambda_memory_size default change

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fix: wait for NAT fully terminated before terraform destroy

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fix: wait for NAT instance termination in cleanup before returning

leonardosul
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Commits on Feb 26, 2026