#!/usr/bin/python


import sys
import argparse
import paramiko


def parse_args():
    parser = argparse.ArgumentParser(description="This script will ")
    parser.add_argument("-i", "--ip", action="store", dest="remote_ip", help="ip address of remote host", required=True)
    parser.add_argument("-u", "--username", action="store", dest="username", help="username of remote host",
                        required=True)
    parser.add_argument("-p", "--password", action="store", dest="password", help="password of remote host",
                        required=True)
    parser.add_argument("-c", "--command", action="store", dest="command", help="command to be executed on remote host",
                        required=True)
    args = parser.parse_args()

    return args.remote_ip, args.username, args.password, args.command


def execute_remote_command(remote_ip, username, password, cmd):
    client = paramiko.SSHClient()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname=remote_ip, username=username, password=password)

    print "Executing command: \"" + cmd + "\" on " + username + "@" + remote_ip
    try:
        stdin, stdout, stderr = client.exec_command(cmd)
    except paramiko.SSHException as err:
        print err
        return 1
    print stdout.read()
    client.close()


def main():
    remote_ips, username, password, cmd = parse_args()
    remote_ip_list = remote_ips.split(',')
    for ip in remote_ip_list:
        execute_remote_command(ip, username, password, cmd)


if __name__ == '__main__':
    sys.exit(main())