docker开发之pyudev模块用法

一、实现功能：获取docker_id

#docker数据源：

[root@docker scripts]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                         PORTS               NAMES
fddc6ae6484b        fedora:25           "/bin/bash"         32 minutes ago      Exited (0) 32 minutes ago                          competent_bardeen
b8a8c0f47a8b        fedora:25           "/bin/bash"         32 minutes ago      Exited (0) 32 minutes ago                          practical_joliot
0cc87047545c        fedora:25           "/bin/bash"         32 minutes ago      Exited (0) 32 minutes ago                          mystifying_austin
d7d77375e35e        fedora:25           "/bin/bash"         About an hour ago   Exited (0) About an hour ago                       wizardly_yalow

#获取docker_id

[root@docker scripts]# cat dc_mgmt.py 

#!/usr/bin/env python
# -*- coding:utf-8 -*-
#Author: nulige
import os
import re

DC_list = []
p=os.popen('docker ps -a').read()
dock_list=re.findall(r'\s\w{12}\s',p)
for i in dock_list:
    DC_list.append(i.strip())
print(DC_list)

#执行结果

[root@docker scripts]# python3 dc_mgmt.py 
['fddc6ae6484b', 'b8a8c0f47a8b', '0cc87047545c', 'd7d77375e35e']

 

#获取bus号 （备注：用到pyudev模块，去获取bus号）

pyudev模块用法

参考：http://pyudev.readthedocs.io/en/latest/guide.html

 

#先安装pyudev模块

pip3 install pyudev　

 

#获取脚本