使用kubekit搭建k8s集羣

在搭建上還不如用100分鐘去研究怎麼使用

什麼是kubekit

Kubekit是一個部署工具包,它爲kubernetes提供離線安裝解決方案。您可以使用它將Kubernetes部署到OFFLINE生產環境。

Kubekit將安裝

  • Docker(1.12.6)
  • Kubernetes及其所有組件
  • Kubernetes儀表板,默認節點端口:31234

kubkit地址

https://github.com/Orientsoft/kubekit

操作系統

首先官方支持下面兩個操作系統,而且都要是最小化安裝支持的

  • CentOS release 7.3.1611
  • CentOS release 7.4.1708

我使用是1708,k8s版本是V1.9.2,具體的可以看github上的readme

wget http://111.1.50.85/files/1128000004BF9EC9/linux.cc.lehigh.edu/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1708.iso

在虛擬機裏面正常安裝,注意是最小化安裝,我給虛擬機的內存是2g,希望有一天我也可以買臺mac book pro吧 安裝完成之後關閉防火牆

systemctl stop firewalld

systemctl disable firewalld

關閉selinux

setenforce 0

vim /etc/selinux/config

修改爲

SELINUX=disabled

最好還可以同步一下時間什麼的

yum install ntpdate

ntpdate 0.cn.pool.ntp.org

下載kubekit

yum install wget

wget https://kubekit.orientsoft.cn/kubekit-linux64-0.3.tar.gz

解壓

tar -zxvf kubekit-linux64-0.3.tar.gz

mv kubekit-release/ kubekit

下載離線包並且安裝集羣

wget https://kubekit.orientsoft.cn/package-1.9.2.tar.gz

tar -zxvf package-1.9.2.tar.gz

mv package kubekit

給腳本賦予可執行權限

cd kubekit/package/

chmod +x ./*.sh

最後安裝並初始化master節點

./kubekit init 192.168.38.166

到下面這步就說明節點初始化成功了

[root@kubekit kubekit]# ./kubekit init 192.168.38.166

 ___ __ ___ ___ ________ _______ ___ __ ___ _________ 
|\ \|\ \ |\ \|\ \ |\ __ \ |\ ___ \ |\ \|\ \ |\ \ |\___ ___\ 
\ \ \/ /|_ \ \ \\\ \ \ \ \|\ /_ \ \ __/| \ \ \/ /|_ \ \ \ \|___ \ \_| 
 \ \ ___ \ \ \ \\\ \ \ \ __ \ \ \ \_|/__ \ \ ___ \ \ \ \ \ \ \ 
 \ \ \\ \ \ \ \ \\\ \ \ \ \|\ \ \ \ \_|\ \ \ \ \\ \ \ \ \ \ \ \ \ 
 \ \__\\ \__\ \ \_______\ \ \_______\ \ \_______\ \ \__\\ \__\ \ \__\ \ \__\
 \|__| \|__| \|_______| \|_______| \|_______| \|__| \|__| \|__| \|__|


KubeKit V0.3 ⓒ OrientSoft 2018

Initialization process started, with kubernetes master IP: 192.168.38.166

 HTTP file server listening at: 0.0.0.0:8000

Start to install docker engine...
(1/2) Start to install docker...
(2/2) Start to config docker...

 Docker engine installed...

Start to initialize Kubernetes master node...

(1/6) Start to load images for Kubernetes master...
(2/6) Start to install components for Kubernetes master...
(3/6) Start to configure firewall...
(4/6) Start to initialize Kubernetes master...
 Master token 3826ab.fef296d97de13f83 saved into .k8s.token file.
(5/6) Start to config Kubernetes network...
(6/6) Start to install Kubernetes dashboard...

 Kubernetes master node initialized...

Remember to reload shell with: source ~/.bashrc before using kubectl!
[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.

[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
 - using env:	export GIN_MODE=release
 - using code:	gin.SetMode(gin.ReleaseMode)

[GIN-debug] GET /assets/*filepath --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (4 handlers)
[GIN-debug] HEAD /assets/*filepath --> github.com/gin-gonic/gin.(*RouterGroup).createStaticHandler.func1 (4 handlers)
[GIN-debug] Loaded HTML Templates (3): 
	- 
	- index.html
	- locale.html

open ./.nodes: no such file or directory
[GIN-debug] GET / --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).IndexHandler-fm (4 handlers)
[GIN-debug] GET /ws --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).Initialize.func1 (4 handlers)
[GIN-debug] GET /node/list --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).ListNodesHandler-fm (4 handlers)
[GIN-debug] POST /node --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).CreateNodeHandler-fm (4 handlers)
[GIN-debug] PUT /node/remove/:id --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).RemoveNodeHandler-fm (4 handlers)
[GIN-debug] GET /node/refresh/:id --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).RefreshNodeHandler-fm (4 handlers)
[GIN-debug] GET /node/log/:id --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).GetInstallLog-fm (4 handlers)
[GIN-debug] POST /install --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).InstallNodeHandler-fm (4 handlers)
[GIN-debug] GET /install/progress/:id/:step --> github.com/Orientsoft/kubekit/controllers.(*MainRouter).NodeProgressHandler-fm (4 handlers)

 Toolkit server is listening at: 0.0.0.0:9000
[GIN-debug] Listening and serving HTTP on :9000

接着ctrl+c退出來,然後重新啓動kubekit的dashboard並且放在後臺

./kubekit server &

添加一個node

瀏覽器訪問ip:9000

創建一個同樣安裝着centos 1708最小化安裝的機器,之後打開修改主機名

hostnamectl set-hostname kubekit-node1

接着點擊web界面上的add node,輸入ssh賬號密碼等信息,最後選中點擊start deploy就可以了

之後你就會在kubernetes的dashboard看到這個節點的詳細信息了

本文轉移開源中國-使用kubekit搭建k8s集羣

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