Add a mutex guard around using the prism servers artifacts cache map. #32657
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Resolves #32656
This change adds a mutex to the artifacts variable in the grpc server for the jobservices in the Prism runner within the Go SDK. In general, maps in Go are not thread safe so 2 concurrent grpc requests that read/write from any of the handlers, notably
/ArtifactRetrievalService.ResolveArtifacts
/ArtifactStagingService.ReverseArtifactRetrievalService
handlers will trigger a race condition. This generally is not visible unless you have a test with the race detector enabled.Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily:
addresses #123
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instead.CHANGES.md
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