Deploy Contour using Helm chart on AWS EKS IPv6 with a NLB

[rgarrigue]

Hello

I've been using Contour on IPv4 EKS clusters with AWS NLB for 2 years. Niw I'm trying to deploy it on an IPv6 EKS. Using bitnami Helm chart v19.5.13.

So far I got everything seemingly running: pods are ok, NLB is here, but can't reach my test service : nmap says port 80 & 443 are closed (on NLB's hostname as well as test-service.company.cloud)

My values are

contour:
  extraArgs:
    - "--stats-address=::"
    - "--envoy-service-http-address=::"
    - "--envoy-service-https-address=::"

envoy:
  logLevel: trace
  service:
      # loadBalancerClass: eks.amazonaws.com/nlb
      ipFamilyPolicy: SingleStack
      ipFamilies:
        - IPv6

I've been trying any combination of parameters that seemed to make sense, not better. I also manually fiddled with the NLB, to switch to DualStack, not better either.

Still closed.

Anyone got a working example or something I could try please ?