Why Kubernetes mounted volume files turning into directory inside the pod

user_3553202 0
Viewed 307

I need to copy a zip file from my host machine to pod/container. for that using hostPath volume as follows

    volumeMounts:
    - mountPath: "/tmp/delivery/AB_Database.zip"
      name: db-volume
      subPath: AB_Database.zip
  volumes:
  - name: db-volume
    hostPath:
      path: /delivery/oracle

but when I check inside pod AB_Database.zip is seen as directory.

mounted-volumes kubernetes-pod kubernetes volume mount
1 Answers

It's due you have given name in subpath

volumeMounts:
    - mountPath: "/tmp/delivery/AB_Database.zip"
      name: db-volume
      subPath: AB_Database.zip
  volumes:
  - name: db-volume
    hostPath:
      path: /delivery/oracle

Subpath work like

volumeMounts:
- name: test-path
  mountPath: /a/b/c
  subPath: d

inside c directory you have some files 1.txt, 2.txt thn subpath will rewrite those content in c and create new directory d

You can check more at : https://kubernetes.io/docs/concepts/storage/volumes/#using-subpath

if you just want to mount the zip into the POD you can do something like with mountpath

- mountPath: /var/local/aaa/1.txt
  name: myfile

https://kubernetes.io/docs/concepts/storage/volumes/#hostpath-fileorcreate-example

user_55258240
Related