[root@localhost shell-key]# cat arg_list.txt 
172.16.56.237 clouds root  22 172.16.56.215
172.16.56.53  clouds  root 22 172.16.56.215
172.16.56.215 clouds root 22 172.16.56.215
[root@localhost shell-key]# 

[root@localhost shell-key]# cat expect_run_config.exp 
#!/usr/bin/expect -f  
set ip [lindex $argv 0]
set passwd [lindex $argv 1]
set username [lindex $argv 2]
set port [lindex $argv 3]
set localip [lindex $argv 4]
set ssh_file [lindex $argv 5]

set remo_ip [lindex $argv 6]
set key_name [lindex $argv 7]
set timeout 5 

#
#create the key in the every node 
#生成公共密钥

spawn ssh $username@$ip  
expect {  
"*yes/no" { send "yes\r"; exp_continue}  
"*password:" { send "$passwd\r" }  
}  

expect "*#\n"  
send "rm -fr /root/.ssh\r"
send "mkdir /root/.ssh\r"
send "chmod 700 /root/.ssh\r"
send "cd /root/.ssh\r"
send "ssh-keygen\r"

expect "*_rsa):"
send "\r"
expect "*ase):"
send "\r"
expect "*again:"
send "\r"

expect "#\n"  
send  "exit\r"  
expect eof  

spawn ssh $username@$remo_ip

expect {
"*yes/no" { send "yes\r"; exp_continue}
"*password:" { send "$passwd\r" }
}

expect "*#\n"
send "scp /root/.ssh/id_rsa.pub $username@$localip:/root/shell-key/pub_key/$key_name\r"
expect "*(yes/no)?" 
send "yes\r"

expect "*password: \n" 
send "$passwd\r"

#expect "*password:\n"
#send "$passwd\r"


expect "*#\n"
send  "exit\r"
expect eof
 
[root@localhost shell-key]# 

[root@localhost shell-key]# cat loop-out.sh 
#!/bin/sh
#loop_sh.sh
echo "########******loding*******#########"
rm -fr /root/shell-key/pub_key/*
rm -fr /root/shell-key/hello.txt

while read line
do    
    echo $line  >> hello.txt 
done < arg_list.txt
sleep 3

rm -fr /root/shell-key/exp_list.txt

while read sl
do
    echo $sl | sed "s/$/ ${RANDOM}.key/" >> exp_list.txt
done < hello.txt

sleep 3

while read list
do
    echo $list | awk ‘{print $1}‘
    rem_ip=$(echo $list | awk ‘{print $1}‘)
    rem_keyname=$(echo $list | awk ‘{print $6}‘)
    ./expect_run_config.exp $list $rem_ip $rem_keyname
done < exp_list.txt

cat /root/shell-key/pub_key/* > /root/.ssh/authorized_keys

if [ $? -eq 0 ];then 
        echo "******************************************"
        echo "Congratulations, you create a public key *"
        echo "******************************************"
else
        echo "Please check_your script $0 and expect config! "
        echo "Good luck !"
fi
[root@localhost shell-key]#

[root@localhost shell-key]# ./loop-out.sh