K3S简介:
https://k3s.io/
https://github.com/rancher/k3s
https://github.com/rancher/k3s/releases //版本及images
部署环境
k3s
docker-ce
centos7.6
docker-ce安装
参考:
centos7.6在线yum安装docker-ce
基于Centos7.5搭建Docker环境
centos7下docker二进制安装
导入k3s镜像
https://github.com/rancher/k3s/releases/download/v0.9.0/k3s-airgap-images-amd64.tar //下载images
docker load -i k3s-airgap-images-amd64.tar
Loaded image: docker.io/coredns/coredns:1.3.0
Loaded image: docker.io/library/traefik:1.7.12
Loaded image: docker.io/rancher/klipper-helm:v0.1.5
Loaded image: docker.io/rancher/klipper-lb:v0.1.1
Loaded image: k8s.gcr.io/pause:3.1
部署k3s server/agent
https://github.com/rancher/k3s/releases/download/v0.9.0/k3s //下载二进制k3s
https://raw.githubusercontent.com/rancher/k3s/master/install.sh //k3s安装脚本,具体可以看下脚本存在很多变量定义
export INSTALL_K3S_SKIP_DOWNLOAD=true //设置跳过下载k3s二进制文件
export INSTALL_K3S_BIN_DIR=/usr/bin //设置k3s安装目录
./install.sh //自动建立service服务及软连接 kubectl ctr ....
systemctl status k3s //服务运行状态
journalctl -u k3s -f //根据日志可以看到服务启动不起来,要去国外拉images,你懂得,heihei
修正k3s服务改用docker
vi /etc/systemd/system/k3s.service
ExecStart=/usr/bin/k3s \
server --docker\ //容器选择docker,替换默认的containerd
systemctl daemon-reload //刷新服务配置文件,重新定向到target
systemctl restart k3s
k3s的pod运行在docker之中
来源:oschina
链接:https://my.oschina.net/u/4375221/blog/3389975