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姚孟信通网站开发中心,辽宁省建设工程信息网归哪里管,新乡搜索引擎优化,wang域名注册网站大多数生产环境会使用云存储或网络存储#xff08;如 EBS、NAS、Ceph#xff09;。但对于本地环境、轻量级集群#xff0c;最快速、最低成本、性能最高的存储方式其实是#xff1a;本地存储#xff08;Local PV#xff09;项目地址#xff1a;https://github.com/ranche…大多数生产环境会使用云存储或网络存储如 EBS、NAS、Ceph。但对于本地环境、轻量级集群最快速、最低成本、性能最高的存储方式其实是本地存储Local PV项目地址https://github.com/rancher/local-path-provisionerapiVersion: v1 kind: Namespace metadata: name: local-path-storage --- apiVersion: v1 kind: ServiceAccount metadata: name: local-path-provisioner-service-account namespace: local-path-storage --- apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: name: local-path-provisioner-role namespace: local-path-storage rules: - apiGroups: [] resources: [pods] verbs: [get, list, watch, create, patch, update, delete] --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: name: local-path-provisioner-role rules: - apiGroups: [] resources: [nodes, persistentvolumeclaims, configmaps, pods, pods/log] verbs: [get, list, watch] - apiGroups: [] resources: [persistentvolumes] verbs: [get, list, watch, create, patch, update, delete] - apiGroups: [] resources: [events] verbs: [create, patch] - apiGroups: [storage.k8s.io] resources: [storageclasses] verbs: [get, list, watch] --- apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: name: local-path-provisioner-bind namespace: local-path-storage roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: local-path-provisioner-role subjects: - kind: ServiceAccount name: local-path-provisioner-service-account namespace: local-path-storage --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: local-path-provisioner-bind roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: local-path-provisioner-role subjects: - kind: ServiceAccount name: local-path-provisioner-service-account namespace: local-path-storage --- apiVersion: apps/v1 kind: Deployment metadata: name: local-path-provisioner namespace: local-path-storage spec: replicas: 1 selector: matchLabels: app: local-path-provisioner template: metadata: labels: app: local-path-provisioner spec: serviceAccountName: local-path-provisioner-service-account containers: - name: local-path-provisioner image: rancher/local-path-provisioner:v0.0.32 imagePullPolicy: IfNotPresent command: - local-path-provisioner - --debug - start - --config - /etc/config/config.json volumeMounts: - name: config-volume mountPath: /etc/config/ env: - name: POD_NAMESPACE valueFrom: fieldRef: fieldPath: metadata.namespace - name: CONFIG_MOUNT_PATH value: /etc/config/ volumes: - name: config-volume configMap: name: local-path-config --- apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: name: local-path provisioner: rancher.io/local-path volumeBindingMode: WaitForFirstConsumer reclaimPolicy: Retain --- kind: ConfigMap apiVersion: v1 metadata: name: local-path-config namespace: local-path-storage data: config.json: |- { nodePathMap:[ { node:DEFAULT_PATH_FOR_NON_LISTED_NODES, paths:[/opt/local-path-provisioner] } ] } setup: |- #!/bin/sh set -eu mkdir -m 0777 -p $VOL_DIR teardown: |- #!/bin/sh set -eu rm -rf $VOL_DIR helperPod.yaml: |- apiVersion: v1 kind: Pod metadata: name: helper-pod spec: priorityClassName: system-node-critical tolerations: - key: node.kubernetes.io/disk-pressure operator: Exists effect: NoSchedule containers: - name: helper-pod image: busybox imagePullPolicy: IfNotPresent默认StorageClass为local-path所有节点都会使用/opt/local-path-provisioner作为存储路径不过可以修改ConfigMap来自定义存储路径可选修改不同节点使用不同目录作为存储{ nodePathMap: [ { node: node1, paths: [/data/local1] }, { node: node2, paths: [/data/local2] } ] }# 重启 kubectl -n local-path-storage rollout restart deploy/local-path-provisioner测试cat nginx-local-pvc.yaml EOF apiVersion: v1 kind: PersistentVolumeClaim metadata: name: nginx-local-pvc spec: accessModes: - ReadWriteOnce storageClassName: local-path resources: requests: storage: 2Gi EOF cat nginx-deploy.yml EOF apiVersion: apps/v1 kind: Deployment metadata: name: nginx-local spec: replicas: 1 selector: matchLabels: app: nginx-local template: metadata: labels: app: nginx-local spec: initContainers: - name: init-index image: busybox command: [sh, -c, echo Hello from Local Path Provisioner! /data/index.html] volumeMounts: - name: local-storage mountPath: /data containers: - name: nginx image: nginx:1.27 ports: - containerPort: 80 volumeMounts: - name: local-storage mountPath: /usr/share/nginx/html volumes: - name: local-storage persistentVolumeClaim: claimName: nginx-local-pvc EOF做个记录