Multi-cluster Replicated control plane: Could not resolve host: httpbin.bar.global in Azure kubernetes service

Networking
1

Hi All

i followed the documentation for setting up the multi cluster replicated control planes for istio from the document https://istio.io/latest/docs/setup/install/multicluster/gateways/ and in the final step i get the error “(6) Could not resolve host: httpbin.bar.global” for doing a curl on httpbin service in the remote cluster. Any advice to resolve this issue

2

I was able to resolve the issue with the following configmap for DNS

apiVersion: v1
kind: ConfigMap
metadata:
name: coredns-custom
namespace: kube-system
data:
istio.server: |
global:53 {
errors
cache 30
forward . x.x.x.x
}

but when i curl to the service in remote cluster i am getting 503 error

kubectl exec -n foo sleep-f8cbf5b76-fd9kk -c sleep – curl -I httpbin.bar.global:8000/headers
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 91 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0
HTTP/1.1 503 Service Unavailable
content-length: 91
content-type: text/plain
date: Mon, 10 Aug 2020 06:24:00 GMT
server: envoy

3

were you able to resolve this issue?

4

Yes I was resolve the issue .Thanks