fixed the mTLS bug https://github.com/kubernetes-sigs/aws-load-balanc…

[shethyogita83]

Fixing mTLS bug : #3715

Issue

Description

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the docs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: shethyogita83 / name: Yogita Sheth (f7addd4, 5121248, f580086, f6240d7, 9138508, a8a598c, f982f34, 0b53a34, 90d61d8, 720a179)

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[oliviassss]

Thanks for the fix, look good to me overall, some comments:

1. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L56, I think we need to avoid pass the MutualAuthentication obj with the API even when the value is nil
2. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L161. Need to add a nil check for mutualAuthenticationAttributes
3. can you pls also test this manually and add the test cases in the PR description? Thanks.

[shraddhabang]

/ok-to-test

[shethyogita83]

Thanks for the fix, look good to me overall, some comments:

1. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L56, I think we need to avoid pass the MutualAuthentication obj with the API even when the value is nil
2. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L161. Need to add a nil check for mutualAuthenticationAttributes
3. can you pls also test this manually and add the test cases in the PR description? Thanks.

Added tests for the same and also did manual testing by creating an alb without mutual auth annotation and with secure listeners port and protocol. Everything is working as expected.

[oliviassss]

@shethyogita83, thanks, how about these 2 comments?

1. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L56, I think we need to avoid pass the MutualAuthentication obj with the API even when the value is nil

2. https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/pkg/ingress/model_build_listener.go#L161. Need to add a nil check for mutualAuthenticationAttributes

I think right now we are still passing the MutualAuthentication param (with nil value) to the API, if my understanding is correct, the param itself is not supported in the API for outposts and local zone? So it will still have issue when users deploy the controller in these zones? Unless I'm missing anything

[shraddhabang]

Can you please update this line as well? https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/docs/guide/ingress/annotations.md?plain=1#L61
We want to default value here to N/A since we are not setting from our side.

[shraddhabang]

/ok-to-test