Centos7搭建单节点OpenShift(OKD)

机器环境

• CPU:2 MEM:6G DISK:100G

• CentOS7

安装Docker(>1.22)

• yum install docker

配置Docker

• vi /etc/docker/daemon.json

{
   "insecure-registries": [
     "172.30.0.0/16"
   ]
}

重启Docker

$ sudo systemctl daemon-reload
$ sudo systemctl restart docker

配置网络

• sysctl net.ipv4.ip_forward=1

• docker network inspect -f "{{range .IPAM.Config }}{{ .Subnet }}{{end}}" bridge

配置防火墙开放端口（切勿关闭防火墙）

firewall-cmd --permanent --new-zone dockerc
firewall-cmd --permanent --zone dockerc --add-source 172.17.0.0/16
firewall-cmd --permanent --zone dockerc --add-port 8443/tcp
firewall-cmd --permanent --zone dockerc --add-port 53/udp
firewall-cmd --permanent --zone dockerc --add-port 8053/udp

firewall-cmd --permanent --zone=public --add-port=8443/tcp 

firewall-cmd --reload

下载安装工具OC

• https://www.okd.io/download.html#oc-platforms
• 这里下载的是： v3.10.0-dd10d17-linux-64bit.tar.gz
• 上传，解压

• 把oc文件放到/usr/local/bin/里面：cp oc /usr/local/bin/

开始安装

• oc cluster up --public-hostname=192.168.88.104

• --public-hostname是服务器的IP，用来供外网访问

安装完成

OpenShift server started.

The server is accessible via web console at:
    https://192.168.88.104:8443

You are logged in as:
    User:     developer
    Password: <any value>

To login as administrator:
    oc login -u system:admin

• 外网访问web界面：

  https://192.168.88.104:8443