61e699267c
## What this PR does / why we need it: This PR addresses #10208 by checking whether the request method is valid. For invalid methods we set `method="invalid_method"` label so that operators can stil see traffic in the metrics but without unbound label value. ## Types of changes <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: --> - [x] Bug fix (non-breaking change which addresses an issue) - [ ] New feature (non-breaking change which adds functionality) - [ ] CVE Report (Scanner found CVE and adding report) - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] Documentation only ## How Has This Been Tested? I tested by building the image locally using `make build && make image` and running the image in minikube. The change has a fairly narrow scope so should be low risk. ## Checklist: <!--- Go over all the following points, and put an `x` in all the boxes that apply. --> <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> - [ ] My change requires a change to the documentation. - [ ] I have updated the documentation accordingly. - [x] I've read the [CONTRIBUTION](https://github.com/kubernetes/ingress-nginx/blob/main/CONTRIBUTING.md) guide - [x] I have added unit and/or e2e tests to cover my changes. - [x] All new and existing tests passed. |
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