volumes

Storage and Kubernetes

Volumes by Example

# sharevol.yaml
apiVersion: v1
kind: Pod
metadata:
  name: sharevol
spec:
  containers:
  - name: c1
    image: centos:7
    command:
      - "bin/bash"
      - "-c"
      - "sleep 10000"
    volumeMounts:
      - name: xchange
        mountPath: "/tmp/xchange"
  - name: c2
    image: centos:7
    command:
      - "bin/bash"
      - "-c"
      - "sleep 10000"
    volumeMounts:
      - name: xchange
        mountPath: "/tmp/data"
  volumes:
  - name: xchange
    emptyDir: {}


kubectl apply -f sharevol.yaml

kubectl describe pod sharevol

kubectl exec -it sharevol -c c1 -- bash

echo 'some data' > /tmp/xchange/data

exit

kubectl exec -it sharevol -c c2 -- bash

cat /tmp/data/data

exit

kubectl delete pod/sharevol