pomerium / pomerium / 26822151518

52%

Build Type

push

github

Committed by web-flow

Commit Message

core/config: switch gRPC port when 5443 is not available (#6405)

## Summary
If `:5443` is used as the main listener address, Envoy will fail to
start because `:5443` is also used for the gRPC port (in all-in-one
mode). This PR updates the code to switch to `:5444` when this happens.

## Related issues
-
[ENG-4085](https://linear.app/pomerium/issue/ENG-4085/zeroconfig-builder-applychangeset-fails-grpc-ingress-duplicate-address)

## AI disclosure
No AI was used for this PR.

## Checklist
- [x] reference any related issues
- [x] updated unit tests
- [x] add appropriate label (`enhancement`, `bug`, `breaking`,
`dependencies`, `ci`)
- [ ] disclosed AI usage (or wrote "none") per AI_POLICY.md
- [x] ready for review

Coverage Stats

7 of 11 new or added lines in 1 file covered. (63.64%)

7 existing lines in 2 files now uncovered.

36759 of 70392 relevant lines covered (52.22%)

464.92 hits per line