killRandomMesosDockerContainer.sh

#!/bin/bash

function mesosContainerList() {
  count=0
  for item in $(docker ps -q)
  do
    mesosName=$(docker exec -i $item sh -c 'echo $MESOS_CONTAINER_NAME')
    echo $mesosName
    if [ -n "${mesosName//[$'\r\n\t ']}" ];
    then
      mesosContainers[$count]=$item
      echo "$count: $item"
      count=$((count+1))
    fi
  done
}

while true ;
do
  sleepTime=$[ ( $RANDOM % 25 )  + 5 ]
  echo "Sleeping for $sleepTime s"
  sleep ${sleepTime}s ;
  mesosContainerList
  echo "Container list: ${mesosContainers[*]}"
  len=${#mesosContainers[@]}
  randomIndex=$(awk 'BEGIN{srand();print int(rand()*'$len') }')
  randomContainer=${mesosContainers[$randomIndex]}

  echo "Killing container with id: $randomContainer"
  docker kill -s SIGKILL $randomContainer
done