使用KubeKey安装kubesphere 3.0.0

kubesphere3独立安装

使用独立linux电脑 安装 kubesphere 3.0.0体验产品

准备电脑

• 禁用防火墙或者配置开启如下端口

  Service	Protocol	Action	Start Port	End Port	Notes
  ssh	TCP	allow	22
  etcd	TCP	allow	2379	2380
  apiserver	TCP	allow	6443
  calico	TCP	allow	9099	9100
  bgp	TCP	allow	179
  nodeport	TCP	allow	30000	32767
  master	TCP	allow	10250	10258
  dns	TCP	allow	53
  dns	UDP	allow	53
  local-registry	TCP	allow	5000		For offline environment
  local-apt	TCP	allow	5080		For offline environment
  rpcbind	TCP	allow	111		Required if NFS is used
  ipip	IPENCAP / IPIP	allow			Calico needs to allow the ipip protocol

• CentOS 7.x

  # uname -a
  Linux centosmini 3.10.0-1127.19.1.el7.x86_64 #
  

• 硬件要求

  CPU: 2 Cores, Memory: 4 G, Disk Space: 40 G
  

• 安装容器

  - 设置containerd.io源 
  

  wget https://download.docker.com/linux/centos/7/x86_64/edge/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
  yum install containerd.io-1.2.6-3.3.el7.x86_64.rpm

• 安装docker

  yum install -y yum-utils device-mapper-persistent-data lvm2
  yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
  yum -y install docker-ce
  

• 设置镜像

  sudo mkdir -p /etc/docker 
  # 设置镜像
  cat < /etc/docker/daemon.json
  {
  "exec-opts":["native.cgroupdriver=systemd"],   
  "log-driver": "json-file",
      "log-opts": {
      "max-size": "100m"
   },
  "storage-driver": "overlay2",
  "storage-opts": [
      "overlay2.override_kernel_check=true"
  ], 
  "registry-mirrors": ["https://u2nhke40.mirror.aliyuncs.com"]
  }
  EOF
  

• 启动容器

  sudo systemctl daemon-reload 
  #启动容器
  sudo systemctl restart docker
  

socat 安装

一个多功能的网络工具，名字来源于SOcket CAT，是netcat的增强版，也就是netcat++（扩展了设计，并有新的实现）
```
yum install socat -y
```

conntrack 安装

```
yum install conntrack -y
```

安装KubeKey

1. 下载安装文件

   wget -c https://kubesphere.io/download/kubekey-v1.0.0-linux-amd64.tar.gz -O - | tar -xz
   

2. 设置安装文件权限

   chmod +x kk
   

安装最小kubesphere

1. 执行命令

   ./kk create cluster --with-kubernetes v1.17.9 --with-kubesphere v3.0.0
   

2. 等待很久看结果

   INFO[23:51:12 CST] Downloading kubecni ...                      
   INFO[23:51:56 CST] Downloading helm ...                         
   INFO[23:52:33 CST] Configurating operating system ...           
   [kubesphere 192.168.31.151] MSG:
   net.ipv4.ip_forward = 1
   net.bridge.bridge-nf-call-arptables = 1
   net.bridge.bridge-nf-call-ip6tables = 1
   net.bridge.bridge-nf-call-iptables = 1
   net.ipv4.ip_local_reserved_ports = 30000-32767
   INFO[23:52:35 CST] Installing docker ...                        
   INFO[23:53:22 CST] Start to download images on all nodes        
   Downloading image: kubesphere/etcd:v3.3.12