Sync files between servers.

xsync

#!/bin/bash
# Dependency:
#  1. rsync: yum/apt install -y rsync
#  2. password-less SSH login
#

# 0. Define server list
servers=("server-1" "server-2" "server-3")

# 1. check param num
if [ $# -lt 1 ]; then
  echo "Not Enough Arguement!"
  exit 1
fi

# 2. traverse all machines
for host in "${servers[@]}"; do
  echo "====================  $host  ===================="
  # 3. traverse dir for each file
  for file in "$@"; do
    # 4. check file exist
    if [ -e "$file" ]; then
      # 5. get parent dir
      pdir=$(cd -P "$(dirname "$file")" && pwd)
      # 6. get file name
      fname=$(basename "$file")
      ssh "$host" "mkdir -p $pdir"
      rsync -av "$pdir/$fname" "$host:$pdir"
    else
      echo "$file does not exist!"
    fi
  done
done