Part4 存储

12. PV (4%)

Task

Create a persistent volume with name app-config , of capacity 1Gi and access mode ReadOnlyMany . The type of volume is hostPath and its location is /srv/app-config .

解题：

cat > 12-pv.yaml << EOF
apiVersion: v1
kind: PersistentVolume
metadata:
  name: app-config
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadOnlyMany
  hostPath:
    path: "/srv/appconfig"
EOF

kubectl create -f 12-pv.yaml

13. PVC (7%)

Task

Createt a new PersistentVolumeClaim :

• Name: pv-volume

• Class: csi-hostpath-sc

• Capacity: 10Mi

Create a new Pod which mounts the PersistentVolumeClaim as a volume:

• Name: web-server

• Image: nginx

• Mount path: /usr/share/nginx/html

Configure the new Pod to have ReadWriteOnce access on the volume.

Finally, using kubectl edit or kubectl patch expand the PersistentVolumeClaim to a capacity of 70Mi and record that change.

解题：

cat > 13-pvc.yaml << EOF
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pv-volume
spec:
  storageClassName: csi-hostpath-sc
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Mi
EOF

kubectl create -f 13-pvc.yaml


cat > 13-pod.yaml << EOF
apiVersion: v1
kind: Pod
metadata:
  name: web-server
spec:
  volumes:
    - name: task-pv-storage
      persistentVolumeClaim:
        claimName: pv-volume
  containers:
    - name: nginx
      image: nginx
      volumeMounts:
        - mountPath: "/usr/share/nginx/html"
          name: task-pv-storage
EOF

kubectl create -f 13-pod.yaml


kubectl edit pvc pv-volume --record