pkslow.com 南瓜慢说

  • AllArticles
  • Container
  • Spring
  • Life
  • Cloud
  • Collections
  • About
  • GitHub

  • Search
Terraform101 English Terraform Middleware config Go Private Kubernetes pkslow Test HTTPS Redis Docker Mac Plan Stream MongoDB Spring DevOps JVM String Map Set List Performance Email Springboot JavaCollections ArrayList Java

Mac上使用Docker Desktop启动Kubernetes,踩坑后终于搞掂

Created on: 2020-07-02 | Category: Container | 0 | View: 2249

1 前言

Kubernetes又简称k8s,是Google开源的容器集群管理系统,最近也是火热。闲来无事(为了发文),捣鼓了一下,在Mac上搭建Kubernetes,遇到一些坑,也记录一下。

另外,Docker相关的概念可参考下面文章:Docker入门——理解Docker的核心概念。

2 问题Kubernetes is starting

2.1 卡在starting

当Mac安装完Docker Desktop后,可以启动Docker了,而要启动Kubernetes,需要Enable。

本以为就如此简单方便,谁料一直显示Kubernetes is starting,卡了很久都没有反应。那是由于网络原因(你懂的),启动Kubernetes所需要的镜像无法下载。

2.2 下载镜像

所需镜像可以手动一个个下载,当然也有人准备好了脚本可以一键下载,脚本在仓库:https://github.com/hummerstudio/k8s-docker-desktop-for-mac 上。

将仓库克隆下来:

$ git clone https://github.com/hummerstudio/k8s-docker-desktop-for-mac.git

然后看一下文件image_list上的版本跟自己安装的版本能不能对得上,建议直接更新Docker Desktop为最新版本。

$ cat image_list
k8s.gcr.io/kube-proxy:v1.16.5=gotok8s/kube-proxy:v1.16.5
k8s.gcr.io/kube-controller-manager:v1.16.5=gotok8s/kube-controller-manager:v1.16.5
k8s.gcr.io/kube-scheduler:v1.16.5=gotok8s/kube-scheduler:v1.16.5
k8s.gcr.io/kube-apiserver:v1.16.5=gotok8s/kube-apiserver:v1.16.5
k8s.gcr.io/coredns:1.6.2=gotok8s/coredns:1.6.2
k8s.gcr.io/pause:3.1=gotok8s/pause:3.1
k8s.gcr.io/etcd:3.3.15-0=gotok8s/etcd:3.3.15-0
k8s.gcr.io/kubernetes-dashboard-amd64=gotok8s/kubernetes-dashboard-amd64:v1.10.1

同为v1.16.5版本:

没有问题就可以执行脚本拉取相关镜像:

$ ./load_images.sh

2.3 重启验证

下载完成后,重启Kubernetes,验证 Kubernetes 集群状态:

$ kubectl cluster-info
$ kubectl get nodes
$ kubectl describe node

3 安装Dashboard

Dashboard并不是必须的,它可以方便我们查看和操作,建议还是安装。将文件( https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.3/aio/deploy/recommended.yaml )下载到本地,然后执行以下命令即可:

$ kubectl apply -f recommended.yaml 
namespace/kubernetes-dashboard created
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-csrf created
secret/kubernetes-dashboard-key-holder created
configmap/kubernetes-dashboard-settings created
role.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrole.rbac.authorization.k8s.io/kubernetes-dashboard created
rolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
clusterrolebinding.rbac.authorization.k8s.io/kubernetes-dashboard created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scraper created

启动:

$ kubectl proxy

建议使用下面命令启动,不然会一直占着终端:

$ nohup kubectl proxy >/dev/null &

启动后可登陆访问:http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/#/login

界面如下:

需要获取Token,命令如下:

$ kubectl -n kube-system describe secret default| awk '$1=="token:"{print $2}'
eyJhbGciOiJSUzI1NiIsImtpZCI6IjNiT1o4eW5ORHpkVlp6Q2VJakxMOENlZEUxSU16YmRZcHZqV3BfXzhQTm8ifQ.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlLXN5c3RlbSIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VjcmV0Lm5hbWUiOiJkZWZhdWx0LXRva2VuLTJoNnpkIiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZXJ2aWNlLWFjY291bnQubmFtZSI6ImRlZmF1bHQiLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiJhODk5MDkwMS1hOWE4LTQyZTAtOGMxNi1iNmQwZTY1NjgyZTEiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6a3ViZS1zeXN0ZW06ZGVmYXVsdCJ9.Oo1Sa5GcWC7SknJ_qoGgoIXyGJKIp1nB4ApZqvTsj32DcoAA4mBmo0VB_zqdmlG0x29FO132x_6I2ejOnCwZ9IRlUWBtEYsKCChZb9kUjbAA9FLyIln4AW0K3V7F1ns_YIKLYaudnkHJPWpqE2FXwTVDs-ZpGgUUk2Fs-Sw8KEFOLnHNFzi-lIajsbicmUMyKPimcv51vN-Mgc9gH-_PfvLKBL-h3vbsCep-0xsRE2zOtsfqv9cbaVNhFaYkVvZuYzCBD1TY9v5Q5R6jPsB2IBZzEYMKw8lHGNrPzN0vrKCM_VBRSeUgzUnjAH6MLuVVWbzBmYYiOluCjuAyKf1eWA

就可以通过Token登陆了。Dashboard界面如下所示:

4 总结

至此,安装已经完成,后面再通过一个小案例讲解如何应用。注意我的电脑连了阿里云的镜像仓库,需要设置的请自动Google。想玩k8s还有其它方式搭建环境,如Minikube,以后有机会再折腾吧。


Code for all: GitHub

欢迎关注微信公众号<南瓜慢说>,将持续为你更新...

file

Recommendations:
Cloud Native
Terraform
Container: Docker/Kubernetes
Spring Boot / Spring Cloud
Https
如何制定切实可行的计划并好好执行

  • Author 作者: LarryDpk 南瓜慢说
  • Link 链接: https://www.pkslow.com/archives/mac-kubernetes-docker-desktop
  • 版权声明: 本博客所有文章除特别声明外,不可转载!
# Terraform101 # English # Terraform # Middleware # config # Go # Private # Kubernetes # pkslow # Test # HTTPS # Redis # Docker # Mac # Plan # Stream # MongoDB # Spring # DevOps # JVM # String # Map # Set # List # Performance # Email # Springboot # JavaCollections # ArrayList # Java
Terraform101 English Terraform Middleware config Go Private Kubernetes pkslow Test HTTPS Redis Docker Mac Plan Stream MongoDB Spring DevOps JVM String Map Set List Performance Email Springboot JavaCollections ArrayList Java
通过Java上传下载AWS S3文件,并解决文件数量超过1000的问题
通过例子讲解Spring Batch入门,优秀的批处理框架
  • Contents
  • Site Overview
南瓜慢说

南瓜慢说

多年Java开发,主要专注后端技术:Java/Spring/Springboot/微服务/大数据等。

多读书,多分享;多写作,多整理。

241 Posts
9 Categories
30 Tags
RSS
0%
© 2020 — 2022 南瓜慢说 pkslow The WebSite keeping alive:   粤ICP备20036375号