通过ssh实现登录服务器脚本

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#!/bin/bash
#######################
#author: Bovin
#######################
#show all host infos of serverList.txt
if [[ -f $HOME/.serverList.txt ]]
then
  hostNum=`cat $HOME/.serverList.txt | wc -l`
else
  echo "No .serverList.txt in $HOME dir, please create it and add server infos."
  exit
fi
while [ True ]
do
  echo -e "+++++++++++ Host List ++++++++++++++++"
  awk -F' ' '{printf("%3d -> %s@%s\n", NR,$1,$2)}'  $HOME/.serverList.txt
  echo -e "++++++++++++++++++++++++++++++++++++++"
  echo -e "Enter hostID at first column."
  echo -e "Enter q or Q to quit."
  read hostID
  if [[ "$hostID" == 'q' ]] || [[ "$hostID" == 'Q' ]]
  then
    exit
  elif [[ $hostID -lt 1 ]] || [[ $hostID -gt $hostNum ]]
  then
    echo "Wrong hostID is selected, Only $hostNum hosts are listed, please check."
    continue
  else
    break
  fi
done
user=""
host=""
passwd=""
eval $(awk -v hostID=$hostID -F' ' '{if (NR==hostID) {printf("user=%s;host=%s;passwd=%s;",$1,$2,$3);}}'  $HOME/.serverList.txt)
#echo $user, $host, $passwd
echo "login in $user@$host"
expect -c "
  set timeout 30
  spawn ssh $user@$host
  expect {
  \"*yes/no\" { send \"yes\r\"; exp_continue }
  \"*?assword:\" { send \"$passwd\r\" }
  }
  interact
"

说明：此脚本读取.serverList文件，.serverList文件存有服务器信息。内容如下

1 2 3

qindy 10.24.34.69 qindy root 10.24.181.140 passWord wrf 10.24.185.18 wrf

第一列：服务器名称；第二列：服务器ip地址；第三列：服务器密码。

mayiwen123456

shell脚本不会，学习学习