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import paramiko
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'''
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思路：使用paramiko工具连接服务器，并将执行命令的结果返回给程序，这里我们使用了sshclient方法\
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首先定义类，构造函数中传入了需要用到的属性 账号信息，定义op方法实现执行命令功能。
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'''
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class sshd():
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def __init__(self,hostname,passwd,port=22,username='root'): # 定义函数传入连接远程用到的属性
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self.ssh = paramiko.SSHClient() # 调用sshclient方法
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self.hostname=hostname # 转换属性
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self.port = port
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self.username = username
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self.passwd = passwd
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def op(self,cmd):
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self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 允许连接不在know_hosts里的主机
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self.ssh.connect(hostname=self.hostname,
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port=self.port,
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username=self.username,
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password=self.passwd)
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stdin, stdout, stderr = self.ssh.exec_command(cmd)
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self.stdin = stdin
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self.stdout= str(stdout.read(),encoding='utf-8') #将结果返回并解码
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self.stderr= str(stderr.read(),encoding='utf-8')
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self.ssh.close()
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if self.stdout:
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return self.stdout
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else:
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return self.stderr
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def __str__(self):
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return 'QianFeng cloud computing testing'
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if __name__ == '__main__':
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aa = sshd(hostname='172.16.147.151',passwd='1')
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s = aa.op('ls /root')
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print(s,end="")
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