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Paramiko Connect via proxy
#!/usr/bin/env python
#-*- coding:utf8 -*-
# sources
# 1. https://gist.github.com/tell-k/4943359#file-paramiko_proxycommand_sample-py-L11
# 2. https://github.com/paramiko/paramiko/pull/97
# info: http://bitprophet.org/blog/2012/11/05/gateway-solutions/
# local -> proxy-server -> dest-server
# ~/.ssh/config
#
# Host proxy-server
# User hoge
# HostName proxy.example.com
# IdentityFile ~/.ssh/id_rsa_proxy
#
# Host dest-server
# User fuga
# HostName proxy.example.com
# IdentityFile ~/.ssh/id_rsa_dest
# ProxyCommand ssh proxy-server nc %h %p
#
import os
import sys
import paramiko
def test_client(host_name):
conf = paramiko.SSHConfig()
conf.parse(open(os.path.expanduser('~/.ssh/config')))
host = conf.lookup(host_name)
client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(
host['hostname'], username=host['user'],
# if you have a key file
# key_filename=host['identityfile'],
password='yourpassword',
sock=paramiko.ProxyCommand(host.get('proxycommand'))
)
stdin, stdout, stderr = client.exec_command('command to run on dest-host')
print stdout.read()
if __name__ == '__main__':
test_client(sys.argv[1])
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