debug-istio.sh

#!/bin/bash
set +e
rm -rf /tmp/istio-debug*
mkdir /tmp/istio-debug
cd /tmp/istio-debug

for pod in $(kubectl --namespace=istio-system get pods --no-headers -l istio=pilot | awk '{print $1}'); do
  echo "Gathering info from $pod"
  mkdir $pod
  cd $pod
  echo " - endpointShardz"
  kubectl --namespace=istio-system exec -c discovery $pod -- curl --max-time 10 -s http://127.0.0.1:8080/debug/endpointShardz > endpointShardz
  echo " - configz"
  kubectl --namespace=istio-system exec -c discovery $pod -- curl --max-time 10 -s http://127.0.0.1:8080/debug/configz > configz
  echo " - endpointz"
  kubectl --namespace=istio-system exec -c discovery $pod -- curl --max-time 10 -s http://127.0.0.1:8080/debug/endpointz > endpointz
  echo " - discovery log"
  kubectl --namespace=istio-system logs $pod discovery > discovery.stdout.log
  echo " - proxy log"
  kubectl --namespace=istio-system logs $pod istio-proxy > discovery.envoy.log
  echo " - adsz"
  kubectl --namespace=istio-system exec -c discovery $pod -- curl --max-time 10 -s http://127.0.0.1:8080/debug/adsz > adsz

  cd ..
done

echo "Gathering cluster information"
echo " - endpoints"
kubectl get ep --all-namespaces -o yaml > endpoints.yaml
echo " - services"
kubectl get svc --all-namespaces -o yaml > services.yaml
echo " - pods"
kubectl get pods --all-namespaces -o yaml > pods.yaml

cd /tmp
tar cvzf istio-debug.tar.gz istio-debug/
echo "Info gathering complete, please send /tmp/istio-debug.tar.gz to the istio team"