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Description: Envoy is slow to get ready in my IPv6 cluster. I install envoy 1.12.2 as a part of a contour environment with the attached manifest. Envoy is installed as a DaemonSet. Some of the pods can take up to 140s to get ready. I suspect some kind of race condition during startup. If I add a new initcontainer to the DaemonSet, Sleeping 5 seconds, the issue is not reproducible for me. I do also have another cluster with only IPv4 addresses, and installing with the manifest I also do not see the issue. The only things I changed compared to the original contour example is:
- getting rid of the internal security.
- changes in the args for envoy to be ready for v6 use contour.txt
Repro steps: kubectl apply -f contour.yaml
kubectl get pods -n projectcontour
NAME READY STATUS RESTARTS AGE
contour-58f47b9d8c-4k664 1/1 Running 0 2m20s
contour-58f47b9d8c-rpkcv 1/1 Running 0 2m20s
envoy-k59m9 0/1 Running 0 2m20s
envoy-n4kw4 1/1 Running 0 2m20s
envoy-vnnq2 1/1 Running 0 2m20s
envoy-xrnr9 0/1 Running 0 2m20s
I can include the debug logs from envoy-k59m9 envoy.pod.log
envoy.json used as config. envoy.config.txt