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#!/usr/bin/expect

set timeout

set username [lindex $argv ]

set password [lindex $argv ]

set hostname [lindex $argv ]

spawn ssh-copy-id -i /root/.ssh/id_rsa.pub $username@$hostname

expect {

            #first connect, no public key in ~/.ssh/known_hosts

            "Are you sure you want to continue connecting (yes/no)?" {

            send "yes\r"

            expect "password:"

                send "$password\r"

            }

            #already has public key in ~/.ssh/known_hosts

            "password:" {

                send "$password\r"

            }

            "Now try logging into the machine" {

                #it has authorized, do nothing!

            }

        }

expect eof