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只能用丝滑一词形容的kubernetes高可用安装(kubernetes install)工具,一条命令,离线安装,包含所有依赖,内核负载不依赖haproxy keepalived,纯golang开发,99年证书,支持v1.16 v1.15 v1.17 v1.18 v1.19 v1.20集成containerd离线包!

Home Page: https://sealyun.com

License: Apache License 2.0

Go 92.91% Shell 6.19% Makefile 0.70% Dockerfile 0.19%

sealos's Introduction

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一条命令部署 Kubernetes 高可用集群 👋

只能用丝滑一词形容的kubernetes高可用安装(kubernetes install)工具,一条命令,离线安装,包含所有依赖,内核负载不依赖haproxy keepalived,纯golang开发,99年证书,支持v1.20.0 v1.19.5 v1.18.13 v1.17.15!

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文档: 官方文档, 博客

加入组织: 钉钉群(35371178), Telegram

English Docs

🚀 快速开始

环境信息

主机名 IP地址
master0 192.168.0.2
master1 192.168.0.3
master2 192.168.0.4
node0 192.168.0.5

服务器密码:123456

kubernetes .0版本不建议上生产环境!!!

只需要准备好服务器,在任意一台服务器上执行下面命令即可

# 下载并安装sealos, sealos是个golang的二进制工具,直接下载拷贝到bin目录即可, release页面也可下载
$ wget -c https://sealyun.oss-cn-beijing.aliyuncs.com/latest/sealos && \
    chmod +x sealos && mv sealos /usr/bin 

# 下载离线资源包
$ wget -c https://sealyun.oss-cn-beijing.aliyuncs.com/2fb10b1396f8c6674355fcc14a8cda7c-v1.20.0/kube1.20.0.tar.gz

# 安装一个三master的kubernetes集群
$ sealos init --passwd '123456' \
	--master 192.168.0.2  --master 192.168.0.3  --master 192.168.0.4  \
	--node 192.168.0.5 \
	--pkg-url /root/kube1.20.0.tar.gz \
	--version v1.20.0

参数含义

参数名 含义 示例
passwd 服务器密码 123456
master k8s master节点IP地址 192.168.0.2
node k8s node节点IP地址 192.168.0.3
pkg-url 离线资源包地址,支持下载到本地,或者一个远程地址 /root/kube1.20.0.tar.gz
version 资源包对应的版本 v1.20.0

增加master

🐳 → sealos join --master 192.168.0.6 --master 192.168.0.7
🐳 → sealos join --master 192.168.0.6-192.168.0.9  # 或者多个连续IP

增加node

🐳 → sealos join --node 192.168.0.6 --node 192.168.0.7
🐳 → sealos join --node 192.168.0.6-192.168.0.9  # 或者多个连续IP

删除指定master节点

🐳 → sealos clean --master 192.168.0.6 --master 192.168.0.7
🐳 → sealos clean --master 192.168.0.6-192.168.0.9  # 或者多个连续IP

删除指定node节点

🐳 → sealos clean --node 192.168.0.6 --node 192.168.0.7
🐳 → sealos clean --node 192.168.0.6-192.168.0.9  # 或者多个连续IP

清理集群

🐳 → sealos clean --all

✅ 特性

  • 支持ARM版本离线包,v1.20版本离线包支持containerd集成,完全抛弃docker
  • 99年证书, 支持集群备份,升级
  • 不依赖ansible haproxy keepalived, 一个二进制工具,0依赖
  • 离线安装,不同kubernetes版本下载对应不同版本的资源包即可,离线包包含所有二进制文件配置文件和镜像
  • 高可用通过ipvs实现的localLB,占用资源少,稳定可靠,类似kube-proxy的实现
  • 几乎可兼容所有支持systemd的x86_64架构的环境
  • 轻松实现集群节点的增加/删除
  • 上千用户在线上环境使用sealos,稳定可靠
  • 资源包放在阿里云oss上,再也不用担心网速
  • dashboard ingress prometheus等APP 同样离线打包,一键安装

sealos's People

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