sync worker nodes (config passwordless ssh before exec.)

syncDir.sh

#!/bin/bash
if [[ $# -ne 1 ]]; then
  echo "Usage: syncDir.sh <path>" >&2
  exit 1
fi

ABS_PATH_COMMAND="readlink -f"
if [[ $(uname -s) = "Darwin" ]]
then
  ABS_PATH_COMMAND="realpath"
fi

WORKERS=$(cat $HOME/bin/workers | grep -v '^#')

DIR=$(${ABS_PATH_COMMAND} $1)
DIR=$(echo ${DIR}|sed 's@/$@@')
DEST=$(dirname ${DIR})

SSH_OPTS="-o StrictHostKeyChecking=no -o ConnectTimeout=5"

echo "RSYNC'ing ${DIR} to workers..."
for worker in ${WORKERS}; do
    echo ${worker}
    rsync -e "ssh ${SSH_OPTS}" -az ${DIR} ${worker}:${DEST} & sleep 0.05
done
wait