How to mount multiple files / secrets into common directory in kubernetes?

Question

I\'ve multiple secrets created from different files. I\'d like to store all of them in common directory /var/secrets/. Unfortunately, I\'m unable to do that because

Answer 1

Edited: @Jonas answer is correct!

However, if you use volumes as I did in the question then, short answer is you cannot do that, You have to specify mountPath to an unused directory - volumes have to be unique and cannot be mounted to common directory.

Solution: What I did at the end was, instead keeping files in separate secrets, I created one secret with multiple files.

Answer 2

Projected Volume

You can use a projected volume to have two secrets in the same directory

Example

apiVersion: v1
kind: Pod
metadata:
  labels:
    run: alpine-secret
  name: alpine-secret
spec:
  containers:
  - command:
    - sleep
    - "3600"
    image: alpine
    name: alpine-secret
    volumeMounts:
    - name: xyfiles
      mountPath: "/var/secrets/"
      readOnly: true
  volumes:
  - name: xyfiles
    projected:
      sources:
      - secret:
          name: my-secret-one
      - secret:
          name: my-secret-two

Answer 3

(EDIT: Never mind - I just noticed @Jonas gave the same answer earlier. +1 from me)

Starting with Kubernetes v1.11+ it is possible with projected volumes:

A projected volume maps several existing volume sources into the same directory.

Currently, the following types of volume sources can be projected:

• secret
• downwardAPI
• configMap
• serviceAccountToken

This is an example for "... how to use a projected Volume to mount several existing volume sources into the same directory".