Khởi tạo một Cluster thông qua ví POC

kubectl get nodes

NAME                                            STATUS     ROLES    AGE   VERSION
ng-0e10592c-e70e-404d-a4e8-5e3b80f805e4-834b7   Ready      <none>   50m   v1.28.8
ng-0e10592c-e70e-404d-a4e8-5e3b80f805e4-cf652   Ready      <none>   23m   v1.28.8
ng-0f4ed631-1252-49f7-8dfc-386fa0b2d29b-a8ef0   Ready      <none>   28m   v1.28.8

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      unique-label: app1
  template:
    metadata:
      labels:
        unique-label: app1
        same-label: vngcloud
    spec:
      containers:
        - name: nginx-deployment
          image: nginx
          ports:
            - containerPort: 80
              name: http
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: python-http-server
spec:
  replicas: 2
  selector:
    matchLabels:
      app: python-http-server
  template:
    metadata:
      labels:
        app: python-http-server
        same-label: vngcloud
    spec:
      containers:
      - name: python-http-server
        image: python:3.9-slim
        command: ["python", "-m", "http.server", "8080"]
        ports:
        - containerPort: 8080
          name: http
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: default
  annotations:
    vks.vngcloud.vn/isPOC: "true"      # Tham số chỉ định Load Balancer được tạo sẽ bằng ví POC
spec:
  ports:
    - port: 80
      targetPort: http
      protocol: TCP
      name: http-server
  selector:
    same-label: vngcloud
  type: LoadBalancer

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: webapp-02
  namespace: default
  annotations:
    vks.vngcloud.vn/isPOC: "true"      # Tham số chỉ định Load Balancer được tạo sẽ bằng ví POC
spec:
  ingressClassName: vngcloud
  defaultBackend:
    service:
      name: nginx-service
      port:
        name: http-server

kubectl apply -f nginx-service.yaml

kubectl get svc,deploy,pod -owide

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: my-expansion-storage-class                    # [1] The StorageClass name, CAN be changed
provisioner: bs.csi.vngcloud.vn                       # The VNG-CLOUD CSI driver name
parameters:
  type: vtype-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx    # The volume type UUID
  isPOC: "true"                                       # Tham số chỉ định Volume được tạo sẽ bằng ví POC
allowVolumeExpansion: true                            # MUST set this value to turn on volume expansion feature
---

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: my-expansion-pvc                           # [2] The PVC name, CAN be changed
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 20Gi                                # [3] The PVC size, CAN be changed, this value MUST be in the valid range of the proper volume type
  storageClassName: my-expansion-storage-class     # [4] The StorageClass name, MUST be the same as [1]
---

apiVersion: v1
kind: Pod
metadata:
  name: nginx                                      # [5] The Pod name, CAN be changed
spec:
  containers:
    - image: nginx
      imagePullPolicy: IfNotPresent
      name: nginx
      ports:
        - containerPort: 80
          protocol: TCP
      volumeMounts:
        - mountPath: /var/lib/www/html
          name: my-volume-name                     # MUST be the same as [6]
  volumes:
    - name: my-volume-name                         # [6] The volume name, CAN be changed
      persistentVolumeClaim:
        claimName: my-expansion-pvc                # MUST be the same as [2]
        readOnly: false

kubectl apply -f persistent-volume.yaml

helm repo add vks-helm-charts https://vngcloud.github.io/vks-helm-charts
helm repo update

helm install vngcloud-snapshot-controller vks-helm-charts/vngcloud-snapshot-controller \
  --replace --namespace kube-system

kubectl get pods -n kube-system

NAME                                           READY   STATUS              RESTARTS       AGE

snapshot-controller-7fdd984f89-745tg           0/1     ContainerCreating   0              3s
snapshot-controller-7fdd984f89-k94wq           0/1     ContainerCreating   0              3s

apiVersion: snapshot.storage.k8s.io/v1
kind: VolumeSnapshotClass
metadata:
  name: my-snapshot-storage-class  # [2] The name of the volume snapshot class, CAN be changed
driver: bs.csi.vngcloud.vn
deletionPolicy: Delete
parameters:
  force-create: "false"
---

apiVersion: snapshot.storage.k8s.io/v1
kind: VolumeSnapshot
metadata:
  name: my-snapshot-pvc  # [4] The name of the snapshot, CAN be changed
spec:
  volumeSnapshotClassName: my-snapshot-storage-class  # MUST match with [2]
  source:
    persistentVolumeClaimName: my-expansion-pvc  # MUST match with [3]

kubectl apply -f snapshot.yaml

kubectl get sc,pvc,pod -owide

NAME                                                       PROVISIONER          RECLAIMPOLICY   VOLUMEBINDINGMODE   ALLOWVOLUMEEXPANSION   AGE
storageclass.storage.k8s.io/my-expansion-storage-class     bs.csi.vngcloud.vn   Delete          Immediate           true                   10m
storageclass.storage.k8s.io/sc-iops-200-retain (default)   bs.csi.vngcloud.vn   Retain          Immediate           false                  2d4h

NAME                                     STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS                 AGE   VOLUMEMODE
persistentvolumeclaim/my-expansion-pvc   Bound    pvc-14456f4a-ee9e-435d-a94f-5a2e820954e9   20Gi       RWO            my-expansion-storage-class   10m   Filesystem

NAME                             READY   STATUS    RESTARTS   AGE   IP              NODE                                            NOMINATED NODE   READINESS GATES
pod/nginx                        1/1     Running   0          10m   172.16.24.203   ng-3f06013a-f6a5-47ba-a51f-bc5e9c2b10a7-ecea1   <none>           <none>
pod/nginx-app-7f45b65946-t7d7k   1/1     Running   0          94m   172.16.24.202   ng-3f06013a-f6a5-47ba-a51f-bc5e9c2b10a7-ecea1   <none>           <none>

kubectl get persistentvolumes

kubectl edit pvc my-expansion-pvc

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  annotations:
    bs.csi.vngcloud.vn/volume-type: "vtype-85b39362-a360-4bbb-9afa-a36a40cea748"
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"v1","kind":"PersistentVolumeClaim","metadata":{"annotations":{},"name":"my-expansion-pvc","namespace":"default"},"spec":{"accessModes":["ReadWriteOnce"],"resources":{"requests":{"storage":"20Gi"}},"storageClassName":"my-expansion-storage-class"}}
    pv.kubernetes.io/bind-completed: "yes"
    pv.kubernetes.io/bound-by-controller: "yes"
    volume.beta.kubernetes.io/storage-provisioner: bs.csi.vngcloud.vn
    volume.kubernetes.io/storage-provisioner: bs.csi.vngcloud.vn
  creationTimestamp: "2024-04-21T14:16:53Z"
  finalizers:
  - kubernetes.io/pvc-protection
  name: my-expansion-pvc
  namespace: default
  resourceVersion: "11041591"
  uid: 14456f4a-ee9e-435d-a94f-5a2e820954e9
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 20Gi
  storageClassName: my-expansion-storage-class
  volumeMode: Filesystem
  volumeName: pvc-14456f4a-ee9e-435d-a94f-5a2e820954e9
status:
  accessModes:
  - ReadWriteOnce
  capacity:
    storage: 20Gi
  phase: Bound

kubectl patch pvc my-expansion-pvc -p '{"spec":{"resources":{"requests":{"storage":"30Gi"}}}}'

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: my-restore-pvc  # The name of the PVC, CAN be changed
spec:
  storageClassName: my-expansion-storage-class  
  dataSource:
    name: my-snapshot-pvc # MUST match with [4] from the section 5.2
    kind: VolumeSnapshot
    apiGroup: snapshot.storage.k8s.io
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 20Gi