python paramiko 远程操作linux

主要实现 SFTP方式 上传、下载文件；

无sftp 通过 scp方式上传、下载文件；

远程执行linux命令等；

'''
paramiko
'''
import traceback
import paramiko as param,time,re
from scp import SCPClient
"""
ssh=param.SSHClient()
ssh.set_missing_host_key_policy(param.AutoAddPolicy())

ssh.connect(hostname='103.20.1.181',port=22,username='root',password='888888')

stdin,stdout,stderr=ssh.exec_command('pwd')
#print('stdin:',stdin)
#print('stdout:',stdout)
#print('stderr:',stderr)

result=stdout.read().decode()

print(result)

err=stderr.read().decode()
print(err)

ssh.close()

"""

class SSHConnection():
    def __init__(self,host,user,passwd,port=22): #远程server的ip、用户名、密码
        self.trans = param.Transport((host,port))
        try:
            self.trans.connect(username=user, password=passwd)
        except:
            traceback.print_exc()
            raise Exception("%s建立连接失败！"%host)
    
    def close(self):
        self.trans.close()
    
    def upload(self,local_path,remote_path): #通过sftp上传文件，本地远程都要具体到文件名
        sftpClient=param.SFTPClient.from_transport(self.trans)
        sftpClient.put(local_path,remote_path)
        sftpClient.close()
    
    def download(self,remote_path,local_path):#下载文件，本地远程都要具体到文件名
        sftpClient=param.SFTPClient.from_transport(self.trans)
        sftpClient.get(remote_path,local_path)
        sftpClient.close()

    def scp_uploadFile(self,localFile,remoteFile):
        # ssh = param.SSHClient()
        # ssh.set_missing_host_key_policy(param.AutoAddPolicy())
        # ssh.connect(hostname=self.host,port=self.port,username=self.username,password=self.password)
        #ssh._transport = self.trans
        #scpclient = SCPClient(ssh.get_transport(), socket_timeout=15.0) #配合上面的全部注释项
        scpClient = SCPClient(self.trans,socket_timeout=15.0)  #简化版

        try:
            scpClient.put(localFile, remoteFile)
        except :
            traceback.print_exc()
        finally:
            scpClient.close()

    def scp_downloadFile(self,remoteFile,localFile):
        scpClient = SCPClient(self.trans,socket_timeout=15.0)  #简化版

        try:
            scpClient.get(remoteFile,localFile)
        except :
            traceback.print_exc()
        finally:
            scpClient.close()
    
    def do_cmd(self,command):#远程执行linux命令，返回执行结果
        sshClient=param.SSHClient()
        #ssh.set_missing_host_key_policy(param.AutoAddPolicy())
        #ssh.connect(hostname=self.host,port=self.port,username=self.username,password=self.password)
        sshClient._transport=self.trans
        a,out,err=sshClient.exec_command(command)
        result=out.read().decode()
        sshClient.close()
        return result
    
    def get_remote_ip(self):#获取远程服务器的ip
        
        ifconfig=self.do_cmd('ifconfig')
        return re.search(r'd+.d+.d+.d+',ifconfig).group()

if __name__=='__main__':
    ssh=SSHConnection('*.*.*.*','username','password')
    #ssh=SSHConnection('*.*.*.*','username','password')
    #ssh.connect()
    print(ssh)
    # command='pwd'
    # print('pwd命令结果:',ssh.cmd(command))
    # ifconfig=ssh.cmd('ls')
    # print(ifconfig)

    #ssh.scp_downloadFile('/home/oneu/ccpos/config/config.ini','f:\test\config.ini')
    #ssh.scp_downloadFile('/home/oneu/ccpos/config/app.ini', 'f:\test\app.ini')
    ssh.scp_downloadFile('/home/oneu/ccpos/config/version.xml', 'f:\test\version.xml')


    ssh.close()

    '''
    ssh.upload('pp232.txt','/root/jin/aa/pp233.txt')
    ssh.download('/root/jin/aa/lall.txt','F:\pylianxi\test\113.txt')

    ifconfig=ssh.cmd('ifconfig')
    print(ifconfig)

    print('匹配的IP地址为:',ssh.get_remote_ip())
    '''