python_ssh.py

import paramiko
import os

command = "df"

HOST = os.environ["NODE_IP"]
USERNAME = os.environ["SSH_USER"]
PASSWORD = os.environ["SSH_PASSWORD"]

client = paramiko.client.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(HOST, username=USERNAME, password=PASSWORD)
_stdin, _stdout,_stderr = client.exec_command("df")
print(_stdout.read().decode())
client.close()