pomerium / pomerium / 24848687171

45%

Build Type

push

github

Committed by web-flow

Commit Message

core/envoyconfig: change the error code for ext_authz errors from 500 to 503 (#6293)

## Summary
Currently if ext_authz fails we return a `500` error. This PR updates
the returned status code to be a `503` error instead.

## Related issues
-
[ENG-3833](https://linear.app/pomerium/issue/ENG-3833/core-back-pressure-mechanism-for-high-throughput-grpc-return-retriable)


## Checklist

- [x] reference any related issues
- [x] updated unit tests
- [ ] add appropriate label (`enhancement`, `bug`, `breaking`,
`dependencies`, `ci`)
- [x] ready for review

Coverage Stats

1 of 1 new or added line in 1 file covered. (100.0%)

21 existing lines in 6 files now uncovered.

35668 of 77906 relevant lines covered (45.78%)

114.53 hits per line