如何在Kubernetes里使用本地存储

1
cat csi.yaml
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apiVersion: v1
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kind: ConfigMap
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metadata:
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  name: local-provisioner-config
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  namespace: local-csi
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data:
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  storageClassMap: |
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    # storageclass的名称
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    fast-disks:
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       # 配置发现目录
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       hostDir: /mnt/disks
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       mountDir:  /mnt/disks
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       blockCleanerCommand:
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         - "/scripts/shred.sh"
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         - "2"
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       volumeMode: Block # 创建的pv将是这个类型的卷
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       fsType: ext4
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       namePattern: "*"
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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  name: local-volume-provisioner
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  namespace: local-csi
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  labels:
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    app: local-volume-provisioner
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spec:
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  selector:
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    matchLabels:
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      app: local-volume-provisioner
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  template:
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    metadata:
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      labels:
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        app: local-volume-provisioner
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    spec:
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      serviceAccountName: local-storage-admin
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      containers:
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        - image: "dyrnq/local-volume-provisioner:v2.4.0"
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          imagePullPolicy: "IfNotPresent"
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          name: provisioner
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          securityContext:
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            privileged: true
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          env:
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          - name: MY_NODE_NAME
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            valueFrom:
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              fieldRef:
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                fieldPath: spec.nodeName
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          volumeMounts:
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            - mountPath: /etc/provisioner/config
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              name: provisioner-config
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              readOnly: true
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            - mountPath:  /mnt/disks # 静态供应器发现目录
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              name: disks
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              mountPropagation: "HostToContainer"
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      volumes:
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        - name: provisioner-config
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          configMap:
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            name: local-provisioner-config
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        - name: disks
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          hostPath:
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            path: /mnt/disks # 静态供应器发现目录
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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  name: local-storage-admin
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  namespace: local-csi
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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  name: local-storage-provisioner-pv-binding
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  namespace: local-csi
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subjects:
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- kind: ServiceAccount
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  name: local-storage-admin
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  namespace: local-csi
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roleRef:
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  kind: ClusterRole
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  name: system:persistent-volume-provisioner
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  apiGroup: rbac.authorization.k8s.io
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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  name: local-storage-provisioner-node-clusterrole
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  namespace: local-csi
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rules:
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- apiGroups: [""]
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  resources: ["nodes"]
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  verbs: ["get"]
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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  name: local-storage-provisioner-node-binding
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  namespace: local-csi
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subjects:
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- kind: ServiceAccount
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  name: local-storage-admin
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  namespace: local-csi
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roleRef:
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  kind: ClusterRole
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  name: local-storage-provisioner-node-clusterrole
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  apiGroup: rbac.authorization.k8s.io

1
cat statefuset.yaml
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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  name: local-test
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spec:
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  serviceName: "local-service"
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  replicas: 1
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  selector:
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    matchLabels:
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      app: local-test
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  template:
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    metadata:
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      labels:
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        app: local-test
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    spec:
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      containers:
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      - name: test-container
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        image: nginx
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        volumeDevices:
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        - name: local-vol
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          devicePath: /mnt/loop4
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  volumeClaimTemplates:
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  - metadata:
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      name: local-vol
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    spec:
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      accessModes:
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      - ReadWriteOnce
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      volumeMode: Block
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      storageClassName: "local-sc"
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      resources:
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        requests:
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          storage: 4Gi
34
kubectl apply -f statefuset.yaml -n local-csi