import paramiko
import os
import sys

server_list = ['192.168.0.171', '192.168.0.171']
commands = {}

class Remote:

    def __init__(self, ssh_username='', ssh_password=''):
        self.ssh = paramiko.SSHClient()
        self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        self.ssh.load_system_host_keys()
        self.username = ssh_username
        self.password = ssh_password

    def connect(self, server_list, cmd, key=False, ssh_keyfile=None):

        for server in server_list:
            if key:
                sys.stdout.write('using SSH key')
                self.ssh.connect(server, key_filename=ssh_keyfile)
            else:
                self.ssh.connect(server, username=self.username, password=self.password)
            self.commander(server, cmd)

    def commander(self, server,  cmd):
        stdin, stdout, stderr = self.ssh.exec_command(cmd)
        response = stdout.read()
        sys.stdout.write("\n\t========Response from " + server + "========\n")
        sys.stdout.write("\n\t Command: " + cmd + "\n")
        sys.stdout.write(response)

    def closure(self, server):
        s = server
        sys.stdout.write('\n\t !!!!Closing the connection to: %s !!!!\n ') % s
        self.ssh.close()


if __name__ == "__main__":
    # username and password here
    R = Remote('pi', 'password')
    # for each server in the server list | do a ls
    R.connect(server_list, "ls", key=False)