k8s的图形化工具--rancher

什么是rancher？

rancher是一个开源的企业级多集群的k8s管理平台

rancher和k8s的区别

都是为了容器的调度和编排系统，但是rancher不仅能够调度，还能管理k8s集群，自带监控（普罗米修斯）

实验部署

实验架构
20.0.0.70   master  
20.0.0.71	node01
20.0.0.72	node02
20.0.0.33	Rancher节点


master node01 node02节点
docker pull rancher/rancher-agent:v2.5.7

在Rancher节点
docker pull rancher/rancher:v2.5.7
docker run -d --restart=unless-stopped -p 80:80 -p 443:443 --privileged --name rancher rancher/rancher:v2.5.7

页面访问
20.0.0.33

创建集群

首页----> 创建集群--->导入---> 输入集群名称--->复制curl --insecure -sfL https://20.0.0.33/v3/import/cj7c87cxbrlgfwlchqjgpbrvqfvmjrgtgw9hfsvgqttr262dw6rjvz_c-52bpg.yaml | kubectl apply -f -    到master主节点上执行（执行2次）
[root@master01 hpa]# curl --insecure -sfL https://20.0.0.33/v3/import/62qbd5h2tl85qg2szqmb6q8mgqqzkdzvbl9g2vr2v542jbtnhdp6pk_c-nf2x2.yaml | kubectl apply -f -
error: no objects passed to apply
[root@master01 hpa]# curl --insecure -sfL https://20.0.0.33/v3/import/62qbd5h2tl85qg2szqmb6q8mgqqzkdzvbl9g2vr2v542jbtnhdp6pk_c-nf2x2.yaml | kubectl apply -f -
clusterrole.rbac.authorization.k8s.io/proxy-clusterrole-kubeapiserver created
clusterrolebinding.rbac.authorization.k8s.io/proxy-role-binding-kubernetes-master created
namespace/cattle-system created
serviceaccount/cattle created
clusterrolebinding.rbac.authorization.k8s.io/cattle-admin-binding created
secret/cattle-credentials-11baf69 created
clusterrole.rbac.authorization.k8s.io/cattle-admin created
deployment.apps/cattle-cluster-agent created