确定一个过程LXC /泊坞窗内运行 [英] Determining if a process runs inside lxc/Docker

问题描述

有没有什么方法来确定是否一个进程（脚本）的LXC容器（〜泊坞窗运行时）内运行？我知道有些程序能够检测它们是否在虚拟机中运行，是类似的东西可供LXC /泊坞窗？

Is there any way to determine if a process (script) runs inside an lxc container (~ Docker runtime)? I know that some programs are able to detect whether they run inside a virtual machine, is something similar available for lxc/docker?

推荐答案

最可靠的方法是检查的/ proc / 1 / cgroup中。它会告诉你init进程的对照组，而当你的不的容器中，这将是 / 所有层次。当你的在的容器，你会看到锚点的名称;其中，与Docker容器，会像 / LXC /＆LT; containerid方式＆gt;

The most reliable way is to check /proc/1/cgroup. It will tell you the control groups of the init process, and when you are not in a container, that will be / for all hierarchies. When you are inside a container, you will see the name of the anchor point; which, with Docker containers, will be something like /lxc/<containerid>.

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