CKA試験、PersistentVolume Claims

PersistentVolume Claims

次の条件に合う、新しいPersistentVolumeClaimを作成しなさい

• 名前: pv-volume
• class: app-hostpath-sc
• capacity: 10Mi

pv-volume PersistentVolumeClaimをマウントするPodを作成しなさい

• name: web-server-pod
• image: nginx
• MountPath: /usr/share/nginx/html
• Volume でReadWriteManyアクセス権限を持つように構成する

vi pv-volume.yaml

pv-volume.yaml

(修正前)pv-volume.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: myclaim
spec:
  accessModes:
    - ReadWriteOnce
  volumeMode: Filesystem
  resources:
    requests:
      storage: 8Gi
  storageClassName: slow
  selector:
    matchLabels:
      release: "stable"
    matchExpressions:
      - {key: environment, operator: In, values: [dev]}

(修正後)pv-volume.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pv-volume # name 
spec:
  accessModes:
    - ReadWriteMany # 権限
  volumeMode: Filesystem
  resources:
    requests:
      storage: 10Mi
  storageClassName: app-hostpath-sc # class

kubectl apply -f ./pv-volume.yaml

vi web-server-pod.yaml

(修正前)web-server-pod.yaml

apiVersion: v1
kind: Pod
metadata:
  name: web-server-pod
spec:
  containers:
    - name: myfrontend
      image: nginx
      volumeMounts:
      - mountPath: "/usr/share/nginx/html"
        name: mypd #mypdを利用する
  volumes:
    - name: mypd # mypd
      persistentVolumeClaim:
        claimName: pv-volume # pv-volumeを利用する

kubectl apply -f ./web-server-pod.yaml