#!/usr/bin/env bash

# set -x

export KUBECONFIG=staging-workers.yaml

kubectl create -f overlay-test.yaml

# kubectl rollout status ds/overlaytest
# > should diplay
# daemon set "overlaytest" successfully rolled out

echo "=> Start network overlay test"
kubectl get pods -l name=overlaytest -o jsonpath='{range .items[*]}{@.metadata.name}{" "}{@.spec.nodeName}{"\n"}{end}' |

while read spod shost
  do kubectl get pods -l name=overlaytest -o jsonpath='{range .items[*]}{@.status.podIP}{" "}{@.spec.nodeName}{"\n"}{end}' |
  while read tip thost
    do kubectl --request-timeout='10s' exec $spod -c overlaytest -- /bin/sh -c "ping -c2 $tip > /dev/null 2>&1"
      RC=$?
      if [ $RC -ne 0 ]
        then echo FAIL: $spod on $shost cannot reach pod IP $tip on $thost
        else echo $shost can reach $thost
      fi
  done
done