k8s学习笔记——k8s pv rbd手动挂载

//创建image

ceph osd pool create kube 9 9 //可做或者使用默认的rbd
rbd pool init kube
rbd create --size 2048 kube/static_pv

//获取管理key并进行64位编码

ceph auth get-key client.admin | base64

将内容保存下来

//创建secret（ceph-secret-default.yaml）

apiVersion: v1
kind: Secret
metadata:
  name: ceph-secret
  namespace: default
type: "kubernetes.io/rbd"
data:
  key: QVFCTVQrUmdxYkxzTUJBQS90ZExaTUVBNjY5bmxtODJkNitCeXc9PQ==  #这里的key就是上步保存的信息

 //创建pv （nginx-pv.yaml)

apiVersion: v1
kind: PersistentVolume
metadata:
  name: nginx-pv
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  rbd:
    monitors:
      - 10.12.70.201:6789,10.12.70.202:6789,10.12.70.203:6789
    pool: kube
    image: static_pv
    user: admin
    secretRef:
      name: ceph-secret
    fsType: xfs
    readOnly: false
  persistentVolumeReclaimPolicy: Recycle

//创建pvc（nginx-pvc.yaml）

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: nginx-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi

//创建应用（nginx-deploy.yaml）

apiVersion: apps/v1
kind: Deployment
metadata:
  name: demo
spec:
  selector:
    matchLabels:
      app: demo
  replicas: 1
  template:
    metadata:
      labels:
        app: demo
    spec:
      containers:
      - name: demo
        image: busybox
        command: ["sleep", "6000"]
        volumeMounts:
          - mountPath: "/usr/share/busybox"
            name: data
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: nginx-pvc

//执行yaml

kubectl apply -f ceph-secret-default.yaml
kubectl apply -f nginx-pv.yaml
kubectl apply -f nginx-pvc.yaml 
kubectl apply -f nginx-deploy.yaml   

//查看

//kubectl get secret

NAME                       TYPE                                  DATA   AGE
ceph-secret                kubernetes.io/rbd                     1      6d3h

//kubectl get pvc

NAME            STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
nginx-pvc       Bound    nginx-pv                                   1Gi        RWO                           5d20h

//kubectl get pv

NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM                   STORAGECLASS   REASON   AGE
nginx-pv                                   1Gi        RWO            Recycle          Bound    default/nginx-pvc                               5d20h



//kubectl get pod
NAME                               READY   STATUS    RESTARTS   AGE

demo-9bbc4dd6f-f7kf4               1/1     Running   84         5d20h

//查看挂载是否成功

//kubectl exec -it demo-9bbc4dd6f-f7kf4 -- /bin/sh

//mount |grep rbd
/dev/rbd0 on /usr/share/busybox type xfs (rw,relatime,attr2,inode64,logbufs=8,logbsize=64k,sunit=128,swidth=128,noquota)

//或者df |grep rbd
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/rbd0              1038336     40504    997832   4% /usr/share/busybox

像上面的内容的说明挂载成功了