import getpass
import os
import paramiko

def copy_ssh_keys(hosts):
    username = raw_input('Username: ')
    password = getpass.getpass('Password: ')
    with open(os.path.expanduser('~/.ssh/id_rsa.pub')) as f:
        ssh_key = f.read()
        for host in hosts:
            client = paramiko.SSHClient()
            client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            client.connect(host, username=username, password=password)
            client.exec_command('mkdir -p ~/.ssh/')
            client.exec_command(
                'grep -q -F "{0}" {1} || '
                'echo "{0}" >> {1}'
                ''.format(ssh_key, '~/.ssh/authorized_keys')
            )
            client.exec_command('chmod 644 ~/.ssh/authorized_keys')
            client.exec_command('chmod 700 ~/.ssh/')