python之路 堡垒机paramiko

paramiko

1、安装

pip3 install paramiko

二、使用

SSHClient

用于连接远程服务器并执行基本命令

基于用户名密码连接:

import paramiko

# 创建SSH对象
ssh = paramiko.SSHClient()
# 允许连接不在know_hosts文件中的主机
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# 连接服务器
ssh.connect(hostname=‘c1.salt.com‘, port=22, username=‘wupeiqi‘, password=‘123‘)

# 执行命令
stdin, stdout, stderr = ssh.exec_command(‘ls‘)
# 获取命令结果
result = stdout.read()

# 关闭连接
ssh.close()
 #SSHClient 封装 Transport

import paramiko

transport = paramiko.Transport((‘hostname‘, 22))
transport.connect(username=‘wupeiqi‘, password=‘123‘)

ssh = paramiko.SSHClient()
ssh._transport = transport

stdin, stdout, stderr = ssh.exec_command(‘df‘)
print stdout.read()

transport.close()

基于公钥密钥连接:

import paramiko

private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘)

# 创建SSH对象
ssh = paramiko.SSHClient()
# 允许连接不在know_hosts文件中的主机
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# 连接服务器
ssh.connect(hostname=‘c1.salt.com‘, port=22, username=‘wupeiqi‘, key=private_key)

# 执行命令
stdin, stdout, stderr = ssh.exec_command(‘df‘)
# 获取命令结果
result = stdout.read()

# 关闭连接
ssh.close()
#SSHClient 封装 Transport

import paramiko

private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘)

transport = paramiko.Transport((‘hostname‘, 22))
transport.connect(username=‘wupeiqi‘, pkey=private_key)

ssh = paramiko.SSHClient()
ssh._transport = transport

stdin, stdout, stderr = ssh.exec_command(‘df‘)

transport.close()

SFTPClient

用于连接远程服务器并执行上传下载

基于用户名密码上传下载:

import paramiko

transport = paramiko.Transport((‘hostname‘,22))
transport.connect(username=‘wupeiqi‘,password=‘123‘)

sftp = paramiko.SFTPClient.from_transport(transport)
# 将location.py 上传至服务器 /tmp/test.py
sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘)
# 将remove_path 下载到本地 local_path
sftp.get(‘remove_path‘, ‘local_path‘)

transport.close()

基于公钥密钥上传下载:

import paramiko

private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘)

transport = paramiko.Transport((‘hostname‘, 22))
transport.connect(username=‘wupeiqi‘, pkey=private_key )

sftp = paramiko.SFTPClient.from_transport(transport)
# 将location.py 上传至服务器 /tmp/test.py
sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘)
# 将remove_path 下载到本地 local_path
sftp.get(‘remove_path‘, ‘local_path‘)

transport.close()
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import paramiko
import uuid

class SSHConnection(object):

    def __init__(self, host=‘172.16.103.191‘, port=22, username=‘wupeiqi‘,pwd=‘123‘):
        self.host = host
        self.port = port
        self.username = username
        self.pwd = pwd
        self.__k = None

    def create_file(self):
        file_name = str(uuid.uuid4())
        with open(file_name,‘w‘) as f:
            f.write(‘sb‘)
        return file_name

    def run(self):
        self.connect()
        self.upload(‘/home/wupeiqi/tttttttttttt.py‘)
        self.rename(‘/home/wupeiqi/tttttttttttt.py‘, ‘/home/wupeiqi/ooooooooo.py)
        self.close()

    def connect(self):
        transport = paramiko.Transport((self.host,self.port))
        transport.connect(username=self.username,password=self.pwd)
        self.__transport = transport

    def close(self):

        self.__transport.close()

    def upload(self,target_path):
        # 连接,上传
        file_name = self.create_file()

        sftp = paramiko.SFTPClient.from_transport(self.__transport)
        # 将location.py 上传至服务器 /tmp/test.py
        sftp.put(file_name, target_path)

    def rename(self, old_path, new_path):

        ssh = paramiko.SSHClient()
        ssh._transport = self.__transport
        # 执行命令
        cmd = "mv %s %s" % (old_path, new_path,)
        stdin, stdout, stderr = ssh.exec_command(cmd)
        # 获取命令结果
        result = stdout.read()

    def cmd(self, command):
        ssh = paramiko.SSHClient()
        ssh._transport = self.__transport
        # 执行命令
        stdin, stdout, stderr = ssh.exec_command(command)
        # 获取命令结果
        result = stdout.read()
        return result

ha = SSHConnection()
ha.run()
# 对于更多限制命令,需要在系统中设置
/etc/sudoers

Defaults    requiretty
Defaults:cmdb    !requiretty
import paramiko
import uuid

class SSHConnection(object):

    def __init__(self, host=‘192.168.11.61‘, port=22, username=‘alex‘,pwd=‘alex3714‘):
        self.host = host
        self.port = port
        self.username = username
        self.pwd = pwd
        self.__k = None

    def run(self):
        self.connect()
        pass
        self.close()

    def connect(self):
        transport = paramiko.Transport((self.host,self.port))
        transport.connect(username=self.username,password=self.pwd)
        self.__transport = transport

    def close(self):
        self.__transport.close()

    def cmd(self, command):
        ssh = paramiko.SSHClient()
        ssh._transport = self.__transport
        # 执行命令
        stdin, stdout, stderr = ssh.exec_command(command)
        # 获取命令结果
        result = stdout.read()
        return result

    def upload(self,local_path, target_path):
        # 连接,上传
        sftp = paramiko.SFTPClient.from_transport(self.__transport)
        # 将location.py 上传至服务器 /tmp/test.py
        sftp.put(local_path, target_path)

ssh = SSHConnection()
ssh.connect()
r1 = ssh.cmd(‘df‘)
ssh.upload(‘s2.py‘, "/home/alex/s7.py")
ssh.close()

堡垒机

import paramiko
import sys
import os
import socket
import getpass

from paramiko.py3compat import u

# windows does not have termios...
try:
    import termios
    import tty
    has_termios = True
except ImportError:
    has_termios = False

def interactive_shell(chan):
    if has_termios:
        posix_shell(chan)
    else:
        windows_shell(chan)

def posix_shell(chan):
    import select

    oldtty = termios.tcgetattr(sys.stdin)
    try:
        tty.setraw(sys.stdin.fileno())
        tty.setcbreak(sys.stdin.fileno())
        chan.settimeout(0.0)
        log = open(‘handle.log‘, ‘a+‘, encoding=‘utf-8‘)
        flag = False
        temp_list = []
        while True:
            r, w, e = select.select([chan, sys.stdin], [], [])
            if chan in r:
                try:
                    x = u(chan.recv(1024))
                    if len(x) == 0:
                        sys.stdout.write(‘\r\n*** EOF\r\n‘)
                        break
                    if flag:
                        if x.startswith(‘\r\n‘):
                            pass
                        else:
                            temp_list.append(x)
                        flag = False
                    sys.stdout.write(x)
                    sys.stdout.flush()
                except socket.timeout:
                    pass
            if sys.stdin in r:
                x = sys.stdin.read(1)
                import json

                if len(x) == 0:
                    break

                if x == ‘\t‘:
                    flag = True
                else:
                    temp_list.append(x)
                if x == ‘\r‘:
                    log.write(‘‘.join(temp_list))
                    log.flush()
                    temp_list.clear()
                chan.send(x)

    finally:
        termios.tcsetattr(sys.stdin, termios.TCSADRAIN, oldtty)

def windows_shell(chan):
    import threading

    sys.stdout.write("Line-buffered terminal emulation. Press F6 or ^Z to send EOF.\r\n\r\n")

    def writeall(sock):
        while True:
            data = sock.recv(256)
            if not data:
                sys.stdout.write(‘\r\n*** EOF ***\r\n\r\n‘)
                sys.stdout.flush()
                break
            sys.stdout.write(data)
            sys.stdout.flush()

    writer = threading.Thread(target=writeall, args=(chan,))
    writer.start()

    try:
        while True:
            d = sys.stdin.read(1)
            if not d:
                break
            chan.send(d)
    except EOFError:
        # user hit ^Z or F6
        pass

def run():
    default_username = getpass.getuser()
    username = input(‘Username [%s]: ‘ % default_username)
    if len(username) == 0:
        username = default_username

    hostname = input(‘Hostname: ‘)
    if len(hostname) == 0:
        print(‘*** Hostname required.‘)
        sys.exit(1)

    tran = paramiko.Transport((hostname, 22,))
    tran.start_client()

    default_auth = "p"
    auth = input(‘Auth by (p)assword or (r)sa key[%s] ‘ % default_auth)
    if len(auth) == 0:
        auth = default_auth

    if auth == ‘r‘:
        default_path = os.path.join(os.environ[‘HOME‘], ‘.ssh‘, ‘id_rsa‘)
        path = input(‘RSA key [%s]: ‘ % default_path)
        if len(path) == 0:
            path = default_path
        try:
            key = paramiko.RSAKey.from_private_key_file(path)
        except paramiko.PasswordRequiredException:
            password = getpass.getpass(‘RSA key password: ‘)
            key = paramiko.RSAKey.from_private_key_file(path, password)
        tran.auth_publickey(username, key)
    else:
        pw = getpass.getpass(‘Password for %[email protected]%s: ‘ % (username, hostname))
        tran.auth_password(username, pw)

    # 打开一个通道
    chan = tran.open_session()
    # 获取一个终端
    chan.get_pty()
    # 激活器
    chan.invoke_shell()

    interactive_shell(chan)

    chan.close()
    tran.close()

if __name__ == ‘__main__‘:
    run()
时间: 2024-10-13 17:09:22

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