#!/usr/bin/env python
# coding=utf-8
"""
# :author: Terry Li
# :url: https://blog.csdn.net/qq_42183962
# :copyright: © 2020-present Terry Li
# :motto: I believe that the God rewards the diligent.
"""
import paramiko
class cfg:
host = "192.168.2.2"
user = "root"
password = "123456"
class sshChannel:
def __init__(self, cfg_obj, timeout_s=5, port=22):
self._cfg = cfg_obj
self.ssh_connect_timeout = timeout_s
self.port = port
self.ssh = self.connect_server()
def connect_server(self):
ssh_cli = paramiko.SSHClient()
key = paramiko.AutoAddPolicy()
ssh_cli.set_missing_host_key_policy(key)
try:
ssh_cli.connect(self._cfg.host, port=self.port, username=self._cfg.user, password=self._cfg.password,
timeout=self.ssh_connect_timeout)
except paramiko.ssh_exception.SSHException:
print("连接{}失败, 请检查配置或重试".format(self._cfg.host))
ssh_cli.close()
return ssh_cli
def execute_cmd(self, cmd):
"""
:param cmd: 单个命令
:return: 服务器的输出信息
"""
stdin, stdout, stderr = self.ssh.exec_command(cmd)
self.ssh.close()
return stdout.read().decode('utf-8')
def execute_cmd_list(self, cmd_list):
"""
:param cmd: 命令列表
:return: 服务器的输出信息的列表
"""
out_list = list(map(self.execute_cmd, cmd_list))
return out_list
def test_get_sys_version(self):
sys_version = self.execute_cmd("lsb_release -rd")
print(sys_version)
def test_get_sys_disk_free_and_memory_free(self):
sys_info = self.execute_cmd_list(["df -h -BG /", "free -m"])
print(sys_info)
if __name__ == '__main__':
server = sshChannel(cfg)
server.test_get_sys_version()
server.test_get_sys_disk_free_and_memory_free()
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