Rancher Profile Collection

rancher-profile-collection.md

Rancher Profile Collection

TS=`date -u +"%Y-%m-%d_%H%M"`
pprofs=( goroutine heap threadcreate block mutex )
for pod in $(kubectl -n cattle-system get pods --no-headers -l app=rancher -o custom-columns=":.metadata.name"); do
  echo "getting profile for $pod..."
  for pp in ${pprofs[@]}; do
    echo "--> generating $pp..."
    kubectl -n cattle-system exec $pod -c rancher -- curl -s http://localhost:6060/debug/pprof/$pp -o $pp
  done
  echo "--> taring it up..."
  kubectl -n cattle-system exec $pod -c rancher -- tar -czf debug-pprof.tar.gz $pprofs
  kubectl -n cattle-system cp -c rancher $pod:debug-pprof.tar.gz $pod-debug-pprof-$TS.tar.gz
  echo saved debug profile $pod-debug-pprof-$TS.tar.gz
done