execute commands on remote host via SSH protocol

Author: DingGuodong

functions/net/tcp/ssh/ssh-execute-commands-on-remote-host.py

@@ -0,0 +1,80 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+"""
+Created by PyCharm.
+File Name:              LinuxBashShellScriptForOps:ssh-execute-commands-on-remote-host.py
+Version:                0.0.1
+Author:                 dgden
+Author Email:           dgdenterprise@gmail.com
+URL:                    https://github.com/DingGuodong/LinuxBashShellScriptForOps
+Download URL:           https://github.com/DingGuodong/LinuxBashShellScriptForOps/tarball/master
+Create Date:            2021/3/19
+Create Time:            11:27
+Description:            
+Long Description:       
+References:             
+Prerequisites:          []
+Development Status:     3 - Alpha, 5 - Production/Stable
+Environment:            Console
+Intended Audience:      System Administrators, Developers, End Users/Desktop
+License:                Freeware, Freely Distributable
+Natural Language:       English, Chinese (Simplified)
+Operating System:       POSIX :: Linux, Microsoft :: Windows
+Programming Language:   Python :: 2.6
+Programming Language:   Python :: 2.7
+Topic:                  Utilities
+ """
+
+
+def execute_commands_on_remote_host(host, command, **kwargs):
+    """
+    execute commands on remote host via SSH protocol
+
+    :param host: hostname or ip address
+    :type host: str
+    :param command: commands
+    :type command: str
+    :param kwargs:
+        port: ssh port, type: int
+        username: username, type: str
+        key_filename: the path of ssh private key file, type: str
+        timeout: timeout, type: int
+        NOTE: we always recommend that using ssh key auth instead using a weak password
+    :type kwargs:
+    :return:
+    :rtype:
+    """
+    import paramiko
+
+    port = kwargs.get("port") or 22
+    username = kwargs.get("username") or 'root'
+    key_filename = kwargs.get("key_filename")  # os.path.expanduser(r'~/.ssh/id_rsa')
+    timeout = kwargs.get("timeout") or 5
+
+    client = paramiko.SSHClient()
+    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    client.connect(hostname=host, port=port, username=username, key_filename=key_filename, timeout=timeout)
+
+    stdin, stdout, stderr = client.exec_command(command=command,
+                                                get_pty=True)  # type: paramiko.ChannelStdinFile, list, paramiko.ChannelStderrFile
+    """
+    warning::   
+                The server may reject this request depending on its ``AcceptEnv``
+                setting; such rejections will fail silently (which is common client
+                practice for this particular request type). Make sure you
+                understand your server's configuration before using!
+    """
+    for line in stdout:
+        print "Stdout: ", line,
+
+    for line in stdout:
+        print "Stderr: ", line,
+    client.close()
+
+
+if __name__ == '__main__':
+    execute_commands_on_remote_host("47.240.129.250", 'uname -a',
+                                    port=22,
+                                    username='root',
+                                    key_filename=r"C:\Users\dgden\.ssh\exportedkey201310171355"
+                                    )