rancher使用方法

rancher

rancher是一个web界面管理k8s集群的工具，可以通过在web界面点点就可以实现所要的资源。

官网：https://ranchermanager.docs.rancher.com

安装docker

curl -o /etc/yum.repos.d/Centos-7.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo

systemctl stop firewalld  && systemctl disable firewalld 

sed -ri 's#(SELINUX=).*#\1disabled#' /etc/selinux/config
setenforce 0
getenforce 0

swapoff -a
#关闭开机启动
sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab

yum install chrony -y
sed -i.bak "s@server@#server@g" /etc/chrony.conf 
sed -i "6aserver ntp.aliyun.com iburst" /etc/chrony.conf 
systemctl start chronyd &&systemctl status chronyd 


modprobe br_netfilter
cat > /etc/sysctl.d/docker.conf <<EOF
 net.bridge.bridge-nf-call-ip6tables = 1
 net.bridge.bridge-nf-call-iptables = 1
 net.ipv4.ip_forward = 1
EOF

#配置阿里源
yum remove docker docker-common docker-selinux docker-engine -y 
wget -P /etc/yum.repos.d/  http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum install docker-ce   docker-compose -y


 mkdir -p /etc/docker

 cat > /etc/docker/daemon.json <<EOF
{ 
"registry-mirrors":["https://rsbud4vc.mirror.aliyuncs.com","https://registry.docker-cn.com","https://docker.mirrors.ustc.edu.cn","https://dockerhub.azk8s.cn","http://hub-mirror.c.163.com"] 
}
EOF



sudo systemctl daemon-reload &&sudo systemctl restart docker && systemctl enable docker && systemctl status docker

docker info |grep version
 

安装rancher

docker run --privileged -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher:v2.7.3

加入集群

#重置密码
https://ranchermanager.docs.rancher.com/zh/faq/technical-items#如何重置管理员密码

$ docker exec -ti <container_id> reset-password
New password for default administrator (user-xxxxx):
<new_password>




curl --insecure -sfL https://192.168.199.190/v3/import/jg59m2626l2cqj4sk75qcntgrp2zkjc2qkd2h2gd6xjlpkrtvlpmk5_c-m-n8t8f2wd.yaml | kubectl apply -f -