英文:
How to check other containers file systems within a k8s pod?
问题
我有一个包含两个容器的 Pod - nginx 和 busybox。现在我想从 busybox 容器访问 nginx 容器中的文件，比如在 busybox 容器中运行 'ls /etc/nginx' 来列出其中的文件。在 Kubernetes Pod 中是否有任何配置可以让我实现这个目标？
以下是我的当前 Pod 的 YAML 文件。
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginxbusybox
name: nginxbusybox
spec:
shareProcessNamespace: true
containers:
- image: nginx
name: nginx
- image: busybox
name: busybox
command:
- sleep
- '86400'
P.S. 这是为了调试一个不具备常见 Linux 工具的容器。
英文:
I have a Pod which contains two containers - nginx and busybox. Now I want to access the files within nginx container from the busybox container, say doing 'ls /etc/nginx' in busybox container to list the files there. Is there any configuration in k8s pod to allow me to achieve this?
Below is my current pod yaml file.
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginxbusybox
name: nginxbusybox
spec:
shareProcessNamespace: true
containers:
- image: nginx
name: nginx
- image: busybox
name: busybox
command:
- sleep
- '86400'
P.S. This is for debugging a container which don't have the common linux tools within.
答案1
得分: 1
我找到了一种实现方法。通过使用 'kubectl debug' 并检查 /proc/1/root/，我可以看到 nginx 容器中的文件系统。以下是这个样子。
英文:
OK, I've found a way to achieve this. By using the 'kubectl debug' and checking the /proc/1/root/, I could see the filesystem in the nginx container. Below's what this looks like.
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