ssh_lmsal

proxy.py

import paramiko
from sshtunnel import SSHTunnelForwarder

with SSHTunnelForwarder(
    ('out.lmsal.com', 22),
    ssh_username='<USERNAME>',
    ssh_password="<PASSOWRD>",
    ssh_pkey="<PATH_TO_SSH_PRIV_KEY>",
    remote_bind_address=("out.lmsal.com", 22),
    local_bind_address=('127.0.0.1', 1111)
) as tunnel:
    client = paramiko.SSHClient()
    client.load_system_host_keys()
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(hostname=tunnel.local_bind_host, port=tunnel.local_bind_port, 
                   username="<USERNAME>", password="<PASSWORD>")
    # do some operations with client session
    stdin, stdout, stderr = client.exec_command("echo abc.txt >> output.txt")
    print(stdout.channel.recv_exit_status())  # status is 0
    client.close()
print('FINISH!')