shell 免秘钥自动创建

使用方法： ./sshlogin IP 密码

root@node5 ~]# cat sshlogin 
#!/bin/bash
ip=$1
passwd=$2
port=22

autologin(){
expect -c "
set timeout 5
spawn ssh-copy-id -f root@$1 -p$3
expect {
"*yes/no*" {send "yes"n;exp_continue}
"*password:" {send "$2"n}
}
expect eof
"
}
#sh createAuth.sh
createAuth(){
if [ ! -f ~/.ssh/id_rsa.pub ] || [ ! -f ~/.ssh/id_rsa ] ;then
expect <<-EOF
spawn ssh-keygen
expect "*:"
send "n"
expect {
"*y/n*" {send "yn";exp_continue}
"*:" {send "n"}
}
#expect eof
EOF
fi
}
createAuth

autologin $ip $passwd $port