Python3: Paramiko の使い方 （ssh 接続）

Python で ssh 接続をする方法です。

ssh_exec.py

#! /usr/bin/python
#
#	ssh_exec.py
#
#					Jan/20/2022
# ------------------------------------------------------------------
import os
import sys
import paramiko
from dotenv import load_dotenv
# ------------------------------------------------------------------
dotenv_path = '.env'
load_dotenv(dotenv_path)
HOST = os.environ.get("HOST")
USER = os.environ.get("USER")
COMMAND = os.environ.get("COMMAND")
#
sys.stderr.write("*** start ***\n")
client = paramiko.SSHClient()
client.load_system_host_keys()

try:
	client.connect(HOST, username=USER, timeout=5.0)
#
	stdin, stdout, stderr = client.exec_command(COMMAND)
	str_out = ''
	for line in stdout:
		str_out += line
	print(str_out)

	client.close()
except Exception as ee:
	sys.stderr.write(str(ee) + "\n")
#
del client, stdin, stdout, stderr
sys.stderr.write("*** end ***\n")
# ------------------------------------------------------------------

.env

HOST = "example.com"
USER = "scott"
COMMAND = "cd /home/scott/tmp/jan20 ; ls -l"

#スクリプトで実行する方法#

test.sh

cd /home/scott/tmp/jan20 ; ls -l

ssh [e-mail] < test.sh