Backport grpc: Fix usage of Any types after refactor on protobuf loading #5098
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After #5017 turned out that k6 does not propagate the types it loads when making gRPC calls. This means that in many of the cases the globalTypes will be used, which will lead to errors. This likely is not just around Any but is how it was reported. This commit goes and propagates the types in each place where they will be marshaled/unmarshalled. The added test is not perfect, but does catch the problem without needing #4981 which I would expect would've also caught this. As currently the server will load the prototypes in the global types and k6/net/grpc will load them in their local types. And then they will technically work.
joanlopez
approved these changes
Aug 26, 2025
AgnesToulet
approved these changes
Aug 26, 2025
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What?
Fix very likely most usage of gRPC module.
Why?
The bug makes a lot of gRPC usage practically impossible, making this a bigger issue than it might first seem.
Checklist
make check) and all pass.Checklist: Documentation (only for k6 maintainers and if relevant)
Please do not merge this PR until the following items are filled out.
Related PR(s)/Issue(s)