Best used trust automation script (shell)

1, Create three files ,

2 father.txt Put the server that needs to establish trust relationship ip list , The format is as follows

3 passwd.txt Is the login password of the server , All servers must have the same password , If it is different, it can be modified rsa.sh Script

4 rsa.sh Script for establishing trust relationship

#!/bin/bash
#ssh-keygen -t  rsa

basepath=$(cd `dirname $0`; pwd)
echo $basepath
father_file_name='father.txt'


# Generate the key 
if [ ! -f ~/.ssh/id_rsa ] ; then
  ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
fi

cat ~/.ssh/id_rsa.pub >>~/.ssh/authorized_keys

pw=`cat $basepath/passwd.txt`
op_flag=$2

# Update for each machine hosts Documents and public key information 
for HOSTNAME in `cat ${basepath}/${father_file_name}| grep -v '127.0.0.1'| grep -v '::1'|awk '{print $1}'`
do
{
        sleep 2
        mycommand="ssh-copy-id -i /root/.ssh/id_rsa.pub [email protected]${HOSTNAME}"
        expect -c "
        spawn ${mycommand};
        set timeout 60
        expect {
                 \"password:\"             {send \"${pw}\r\";  exp_continue}
                 \"connecting (yes/no)?\"  {send \"yes\r\";    exp_continue}
               }
        "

        sleep 2

}&
done
wait