Stateful Containers Medium Post

statefulMapping.sh

apt-get update; apt-get install rsync -y
BOOTSTRAP_DIR=${BOOTSTRAP_DIR:-/opt/nifi/}
OUTPUT_DIR=${OUTPUT_DIR:-/tmp/}
INPUT_TIME=$(find ${BOOTSTRAP_DIR} -type f | xargs stat --format '%Y' 2>/dev/null | sort -nr | head -n1)
OUTPUT_TIME=$(find ${OUTPUT_DIR} -type f | xargs stat --format '%Y' 2>/dev/null | sort -nr | head -n1)
echo IN:${INPUT_TIME} OUT:${OUTPUT_TIME}
if [[ ${INPUT_TIME} -gt 0 ]] || [[ ${OUTPUT_TIME} -gt 0 ]]
then
  if [[ ${INPUT_TIME} -eq ${OUTPUT_TIME} ]]
  then
      echo "File times match.  Skipping Rsync"
  else
      if [[ ${INPUT_TIME} -gt ${OUTPUT_TIME} ]]
      then
          echo "Input should be copied to output"
          rsync -razh ${BOOTSTRAP_DIR} ${OUTPUT_DIR}
          echo copied based on rsync -razh ${BOOTSTRAP_DIR} ${OUTPUT_DIR}
      fi
      if [[ ${INPUT_TIME} -lt ${OUTPUT_TIME} ]]
      then
          echo "output should be copied to input"
          rsync -razh ${OUTPUT_DIR} ${BOOTSTRAP_DIR}
          echo copied based on rsync -razh ${OUTPUT_DIR} ${BOOTSTRAP_DIR}
      fi
  fi
else
  echo "No files found"
fi
echo "file staging is done"