bulk-command-remote.bash

bulk-command-remote.bash

#!/bin/bash
#
# Usage: ./bulk-command-remote.bash file <run_local_script.bash>
#        ./bulk-command-remote.bash ping -c 1 8.8.8.8
# 
key=~/private.key
default_username="ubuntu"

# "IP" "SSH-Port" "Username"
declare -a serverlist=(
"192.168.0.1"  "22"    "router-home"

"10.53.88.132"  "8022" ""
)

serverlistnum=$(( ${#serverlist[@]} / 3 ))

param_arr=("$@")
param_str=""


start_index=$([ "$1" = "file" ] && echo 1 || echo 0)

for (( i = $start_index; i <= $# - 1; i++)); do
  param_str="$param_str ${param_arr[$i]}"
done

if [ "1" = "$start_index" ]; then
  is_file=1
  if [ ! -f "$2" ]; then
    echo "file $2 not exist"
    exit 0
  fi
  param_str=$2
fi

for (( i = 0; i < serverlistnum; i++)); do
  ip=${serverlist[$i * 3]}
  port=${serverlist[$i * 3 + 1]}
  _username=${serverlist[$i * 3 + 2]}
  username=$([ -z "$_username" ] && echo $default_username || echo $_username )
  echo "Index $i, $username@$ip:$port"
  if [ "$1" = "file" ]; then 
    ssh -o "PreferredAuthentications=publickey" -o StrictHostKeyChecking=no -o LogLevel=ERROR -i $key -p $port $username@$ip "/bin/bash --norc --noprofile" < $param_str
  else
    ssh -o "PreferredAuthentications=publickey" -o StrictHostKeyChecking=no -o LogLevel=ERROR -i $key -p $port $username@$ip $param_str
  fi
  echo
  echo
done