echo "${_group}Setting up Zookeeper ..."

ZOOKEEPER_SNAPSHOT_FOLDER_EXISTS=$($dcr zookeeper bash -c 'ls 2>/dev/null -Ubad1 -- /var/lib/zookeeper/data/version-2 | wc -l | tr -d '[:space:]'')
if [[ "$ZOOKEEPER_SNAPSHOT_FOLDER_EXISTS" -eq 1 ]]; then
  ZOOKEEPER_LOG_FILE_COUNT=$($dcr zookeeper bash -c 'ls 2>/dev/null -Ubad1 -- /var/lib/zookeeper/log/version-2/* | wc -l | tr -d '[:space:]'')
  ZOOKEEPER_SNAPSHOT_FILE_COUNT=$($dcr zookeeper bash -c 'ls 2>/dev/null -Ubad1 -- /var/lib/zookeeper/data/version-2/* | wc -l | tr -d '[:space:]'')
  # This is a workaround for a ZK upgrade bug: https://issues.apache.org/jira/browse/ZOOKEEPER-3056
  cd ..
  if [[ "$ZOOKEEPER_LOG_FILE_COUNT" -gt 0 ]] && [[ "$ZOOKEEPER_SNAPSHOT_FILE_COUNT" -eq 0 ]]; then
    $dcr -v $(pwd)/zookeeper:/temp zookeeper bash -c 'cp /temp/snapshot.0 /var/lib/zookeeper/data/version-2/snapshot.0'
    $dc run -d -e ZOOKEEPER_SNAPSHOT_TRUST_EMPTY=true zookeeper
  fi
  cd install
fi

echo "${_endgroup}"