劣势 : 过时了流水线,改用fleet进行devops尝试,暂不是很成熟 优点 : rancher更偏向运维使用,多集群管理和基于web UI 半自动快速建立集群相当的方便,便于大规模集群使用.
劣势 : 部署完全基于shell自动,没有webUI,部署,另外部署过程中还有些小坑,小规模使用还是勉强可以 优点 : kubesphere比较均衡,[集群管理]模块偏向运维使用 , [项目管理] 研发使用,运维配合即可,整体UI风格也要优于rancher.
上一篇记录了部署rancher和初体验,本篇记录kubesphere的搭建.
name: node1, address: 192.168.0.123, cpu: 4,memory: 4G,disk: 50G
name: node2, address: 192.168.0.124, cpu: 4,memory: 4G,disk: 50G
name: node3, address: 192.168.0.125, cpu: 4,memory: 4G,disk: 50G
name: node4, address: 192.168.0.126, cpu: 4,memory: 4G,disk: 50G
name: node5, address: 192.168.0.127, cpu: 4,memory: 4G,disk: 50G
name: node6, address: 192.168.0.128, cpu: 4,memory: 4G,disk: 50G
虚拟机虚拟网卡桥接宿主机物理网卡,访问公网.
脚本/命令 与rancher前期准备相同,见 : https://www.buukle.top/archives/si-you-yun-4-rancherk8s 另外执行:
yum install -y openssl openssl-devel
vi /etc/hosts
完成后 :
192.168.0.123 node1
192.168.0.124 node2
192.168.0.125 node3
192.168.0.126 node4
192.168.0.127 node5
192.168.0.128 node6
mkdir .ssh
cd .ssh
ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub node1
在6台节点分别执行
ssh-copy-id -i ~/.ssh/id_rsa.pub node1 ## 输入密码
ssh-copy-id -i ~/.ssh/id_rsa.pub node2 ## 输入密码
ssh-copy-id -i ~/.ssh/id_rsa.pub node3 ## 输入密码
ssh-copy-id -i ~/.ssh/id_rsa.pub node4 ## 输入密码
ssh-copy-id -i ~/.ssh/id_rsa.pub node5 ## 输入密码
ssh-copy-id -i ~/.ssh/id_rsa.pub node6 ## 输入密码
vim /etc/resolv.conf
示例 :
参照官方文档 : https://kubesphere.io/docs/installing-on-linux/introduction/multioverview/
# 下载执行脚本
curl -sfL https://get-kk.kubesphere.io | VERSION=v1.1.1 sh -
# 生成配置文件
./kk delete cluster -f ./config-kubesphere.yaml
# 修改配置文件
vim config-kubesphere.yaml
局部示例 :
./kk create cluster -f ./config-kubesphere.yaml
观察日志,直到部署成功;
./kk delete cluster -f ./config-kubesphere.yaml
docker stop $(docker ps -a -q)
docker rm $(docker ps -a -q)
docker rmi $(docker images -q)
#删除/var/etcd目录
sudo rm -rf /var/etcd
#删除/var/lib/kubelet/目录,删除前先卸载
for m in $(sudo tac /proc/mounts | sudo awk '{print $2}'|sudo grep /var/lib/kubelet);do sudo umount $m||true; done
sudo rm -rf /var/lib/kubelet/
#删除/var/lib/rancher/目录,删除前先卸载
for m in $(sudo tac /proc/mounts | sudo awk '{print $2}'|sudo grep /var/lib/rancher);do sudo umount $m||true; done
sudo rm -rf /var/lib/rancher/
#删除/run/kubernetes/ 目录
sudo rm -rf /run/kubernetes/
#删除所有的数据卷
sudo docker volume rm $(sudo docker volume ls -q)
#再次显示所有的容器和数据卷,确保没有残留
sudo docker ps -a
sudo docker volume ls