• kubernates 1.20.6安装


    kubernates 安装

    1. 前置要求

    • 硬件条件 三台主机 1主2从
    • 硬件配置 master 2核4G slave 2核2G

    2. 安装

    • 访问GitHub 仓库 https://github.com/lework/kainstall

    • 运行以下脚本

        bash -c "$(curl -sSL https://cdn.jsdelivr.net/gh/lework/kainstall@master/kainstall-centos.sh)"  
        - init 
        --master 192.168.147.128 
        --worker 192.168.147.132,192.168.147.133 
        --user root 
        --password 123123 
        --port 22 
        --version 1.20.6
      

      经过漫长的等待 ,会有提示信息,然后输入k8s的管理命令确认kubectl cluster-info是否运行正常,如果不成功,查看下面的日志文件进行排坑

      ...
      xzO3coGy8vsFtAkZHLsTiFAWzjYZXKIZZx-cxaZvpYfzO-uNPa3UcFL2aKiqNS0Hr-kjHhFhcMxxH-yWuwodZYn4qzeI1ZIV_-Cg1wte1s3Covb15g
        [ops] etcd backup directory: /var/lib/etcd/backups
      
        See detailed log >>> /tmp/kainstall.t2964vNRW6/kainstall.log
      

    3. 安装dashboard

      1. 前往github https://github.com/kubernetes/dashboard,找到下载说明

      2. 下载

        kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.3.1/aio/deploy/recommended.yaml
        
      3. 查看dashboard是否运行kubectl get pod --namespace=kube-system,如下日志信息

        NAME                                       READY   STATUS      RESTARTS   AGE
        coredns-8496bbfb78-7l9gs                   1/1     Running     1          118m
        coredns-8496bbfb78-r87cr                   1/1     Running     1          118m
        default-http-backend-6946487d9b-rshx5      1/1     Running     1          119m
        etcd-k8s-master-node1                      1/1     Running     1          122m
        etcd-snapshot-1625813807-5s5xf             0/1     Completed   0          118m
        kube-apiserver-k8s-master-node1            1/1     Running     1          122m
        kube-controller-manager-k8s-master-node1   1/1     Running     1          122m
        kube-flannel-ds-9pg5p                      1/1     Running     1          121m
        kube-flannel-ds-whbxz                      1/1     Running     1          121m
        kube-flannel-ds-xxggv                      1/1     Running     1          121m
        kube-proxy-cpnnx                           1/1     Running     1          121m
        kube-proxy-fv62v                           1/1     Running     1          121m
        kube-proxy-t29xk                           1/1     Running     1          121m
        kube-scheduler-k8s-master-node1            1/1     Running     1          122m
        metrics-server-998c79b89-qzsmj             0/1     Running     1          120m
        
      4. 启动代理kubectl proxy

      5. 在本地进行ssh正向代理,记得配置免密

        ssh -L localhost:8001:localhost:8001 -NT root@192.168.147.128
        
      6. 访问网页出现如下内容,说明服务启动完成

    4. 创建dashboard用户

    1. 创建用户

      kubectl create serviceaccount dashboard-admin -n kube-system
      
    2. 授权 (绑定用户为集群管理用户)

      kubectl create clusterrolebinding dashboard-cluster-admin --clusterrole=cluster-admin --serviceaccount=kube-system:dashboard-admin
      
    3. 查看token

      kubectl describe -n=kube-system  secret dashboard-admin-token-qqrjx
      
      • 详细信息,复制token
      Name:         dashboard-admin-token-qqrjx
      Namespace:    kube-system
      Labels:       <none>
      Annotations:  kubernetes.io/service-account.name: dashboard-admin
                    kubernetes.io/service-account.uid: e3b577a7-fd60-4705-bfe9-df87d88b97f5
      
      Type:  kubernetes.io/service-account-token
      Data
      ====
      ca.crt:     1066 bytes
      namespace:  11 bytes
      token:      eyJhbGciOiJSUzI1NiIsImtpZCI6InhiLTVQTjBLVHRkd24zNkd5QWVXWXNZaUI0M0FyVkZBNWI4S0pXRWZta2MifQ.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.IrVjifmz2Ka0utLv17jKxdtGXG2A6XvmqIO9tcLwTSmYcsnnsUYdKDV-nKzQt7RZZmsbdangCxHOSFNN-bFVyzltHgmnCji4ViJgsgG1ATw7GAAoZBcydm-1sf9XUoQvvXJ7pX-sthpXbPjAItzfoNw5I6Re4DniuhAqsMxjqiOCkreFhV-vc0uww88InPlrfuvYesonj_L0hJnrZJOZbJ7r1QPrery3x9PfGP7F19OMTUfe_iPIu_GFhED8u6aN8OR_uhDSE_EII1zQuLWYV6ksuaxG5s-RNfmJqLfG-HnEwJheJZ_63ceA-j4N4imZ_nNozUAC732ec4_MGIYgLA
      

    5. 总结

    1. k8s的部署难度真不是一般的高,踩坑挺多的
    2. 感谢有一键部署工具,少了很多弯路,前期调研部署工具花了较多时间,官方提供的ansible playbook 安装 会遇到网络问题。
    3. master节点一定要4g内存,之前用2g内存会挂掉

    6.参考资料

    1. https://github.com/kubernetes/dashboard

    2. https://kubernetes.io/zh/docs/tasks/access-application-cluster/web-ui-dashboard/

    3. https://github.com/kubernetes/dashboard

  • 相关阅读:
    52、saleforce 第一篇
    nodejs自定义模块
    NodeJS require路径
    Angularjs ngTable使用备忘
    HTML5拖拽功能中 dataTransfer对象详解
    Javascript闭包深入解析及实现方法
    Grunt实例
    Grunt插件uglify
    javascript 将字符串当函数执行
    多个springboot项目部署在同一tomcat上,出现jmx错误
  • 原文地址:https://www.cnblogs.com/tanoak/p/14991448.html
Copyright © 2020-2023  润新知