k8s 测试环境搭建（k3s）

Posted 2021-05-30 leffss

目录

• k8s 测试环境搭建（k3s）
  • 环境说明
  • 安装 docker
  • 安装 k3s
  • 安装 nfs server
  • 安装 nfs-provisioner

k8s 测试环境搭建（k3s）

环境说明

系统 centos 7.9，基于 k3s + docker，并安装 nfs-provisioner 提供 nfs 的 StorageClass 支持

安装 docker

curl https://releases.rancher.com/install-docker/19.03.sh | sh

安装 k3s

curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn sh -s - --docker

• 版本 v1.20.7+k3s1

安装 nfs server

https://www.cnblogs.com/leffss/p/14826992.html

安装 nfs-provisioner

yaml 文件：

apiVersion: v1
kind: ServiceAccount
metadata:
  name: nfs-client-provisioner
  namespace: kube-system

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: nfs-client-provisioner-runner
rules:
  - apiGroups: [""]
    resources: ["persistentvolumes"]
    verbs: ["get", "list", "watch", "create", "delete"]
  - apiGroups: [""]
    resources: ["persistentvolumeclaims"]
    verbs: ["get", "list", "watch", "update"]
  - apiGroups: ["storage.k8s.io"]
    resources: ["storageclasses"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["list", "watch", "create", "update", "patch"]
  - apiGroups: [""]
    resources: ["endpoints"]
    verbs: ["get", "list", "watch", "create", "update", "patch"]

---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: run-nfs-client-provisioner
subjects:
  - kind: ServiceAccount
    name: nfs-client-provisioner
    namespace: kube-system 
roleRef:
  kind: ClusterRole
  name: nfs-client-provisioner-runner
  apiGroup: rbac.authorization.k8s.io

---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: nfs-provisioner-01
  namespace: kube-system
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: nfs-provisioner-01
  template:
    metadata:
      labels:
        app: nfs-provisioner-01
    spec:
      serviceAccountName: nfs-client-provisioner
      containers:
        - name: nfs-client-provisioner
          image: jmgao1983/nfs-client-provisioner:latest
          imagePullPolicy: IfNotPresent
          volumeMounts:
            - name: nfs-client-root
              mountPath: /persistentvolumes
          env:
            - name: PROVISIONER_NAME
              value: nfs-provisioner-01  # 此处供应者名字供storageclass调用
            - name: NFS_SERVER
              value: 192.168.223.111   # 填入NFS的地址
            - name: NFS_PATH
              value: /nfs   # 填入NFS挂载的目录
      volumes:
        - name: nfs-client-root
          nfs:
            server: 192.168.223.111   # 填入NFS的地址
            path: /nfs   # 填入NFS挂载的目录

---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: nfs-leffss
provisioner: nfs-provisioner-01
# Supported policies: Delete、 Retain ， default is Delete
# reclaimPolicy: Retain

• StorageClass 名称：nfs-leffss