#!/usr/bin/env bash
for ns in $(kubectl get ns -o=jsonpath='{.items[*].metadata.name}' | sort); do
  echo Namespace: $ns

  kubectl get vs \
          -n $ns ${ns}-master \
          -o=jsonpath='{"   Destination: "}{.spec.http[*].route[*].destination.host}{"\n   Regex mapping:\n     "}{range .spec.http[*].match[*]}{.uri.regex}{"\n     "}{end}{"\n"}{"\n   Prefix mapping:\n     "}{range .spec.http[*].match[*]}{.uri.prefix}{"\n     "}{end}' 2>/dev/null \
          || echo "No istio virtual services"
  echo
  echo
done