Rancher CLI是一个统一的工具，可用于与Rancher进行交互。借助于此工具，我们可以使用命令行来操作Rancher并管理其下的资源。

• 1、下载rancher-cli工具

可以通过官方的文件下载页面进行下载，也可以直接在首页右下角的下载cli进行下载，这里直接通过命令方式进行下载。

[root@jenkins ~]$ wget https://releases.rancher.com/cli2/v2.2.0/rancher-linux-amd64-v2.2.0.tar.gz
[root@jenkins ~]$ tar xf rancher-linux-amd64-v2.2.0.tar.gz

• 2、配置进系统中

mv rancher-v2.2.0/rancher /usr/bin/rancher
rm -rf rancher-v2.2.0/

• 3、测试登录

新建用户获取tonken：

创建一个永不过期的token，以用于验证使用。

使用如下命令进行登陆：

[root@jenkins ~]$ rancher login https://rancher.com/v3 --token token-fkgj6:gd2z99wnfgc2zw9pw969rppgbnrfwg7l59l4gccqp5wmdc6vd27r5l

注意：这里测试的主机需要能够访问rancher.com，如果都在内网环境中，那么可以直接把域名对应解析写入到主机hosts中。

注意，还需要安装kubectl命令，否则执行相关操作时会报如下错误：

FATA[0000] kubectl is required to be set in your path to use this command. See https://kubernetes.io/docs/tasks/tools/install-kubectl/ for more info. Error: exec: "kubectl": executable file not found in $PATH

随便执行一下命令验证一下。

[root@jenkins ~]$ rancher kubectl get node
NAME            STATUS   ROLES                      AGE   VERSION
192.168.106.3   Ready    controlplane,etcd,worker   32m   v1.11.6
192.168.106.4   Ready    controlplane,etcd,worker   32m   v1.11.6
192.168.106.5   Ready    controlplane,etcd,worker   32m   v1.11.6

借此机会来个安装应用的定妆照！

[root@jenkins ~]$rancher kubectl get pod --all-namespaces
NAMESPACE       NAME                                        READY   STATUS      RESTARTSAGE
cattle-system   cattle-cluster-agent-5c9d5cbb87-nlf8x       1/1     Running     016m
cattle-system   cattle-node-agent-6ncnb                     1/1     Running     016m
cattle-system   cattle-node-agent-cdpww                     1/1     Running     016m
cattle-system   cattle-node-agent-l48m8                     1/1     Running     016m
cattle-system   rancher-bdf49fb9-7qhgp                      1/1     Running     131m
cattle-system   rancher-bdf49fb9-hf6tm                      1/1     Running     031m
cattle-system   rancher-bdf49fb9-xmbv7                      1/1     Running     131m
ingress-nginx   default-http-backend-797c5bc547-nnqzt       1/1     Running     034m
ingress-nginx   nginx-ingress-controller-mn9jl              1/1     Running     034m
ingress-nginx   nginx-ingress-controller-rrm8z              1/1     Running     034m
ingress-nginx   nginx-ingress-controller-vt8lx              1/1     Running     034m
kube-system     canal-9r7jt                                 3/3     Running     034m
kube-system     canal-b86n6                                 3/3     Running     034m
kube-system     canal-lqk8g                                 3/3     Running     034m
kube-system     cert-manager-cert-manager-8f55cc84b-z84kw   2/2     Running     031m
kube-system     kube-dns-7588d5b5f5-dnqk7                   3/3     Running     034m
kube-system     kube-dns-autoscaler-5db9bbb766-cfqcg        1/1     Running     034m
kube-system     metrics-server-97bc649d5-lkn57              1/1     Running     034m
kube-system     rke-ingress-controller-deploy-job-s5ss8     0/1     Completed   034m
kube-system     rke-kubedns-addon-deploy-job-p2hjb          0/1     Completed   034m
kube-system     rke-metrics-addon-deploy-job-fqvfm          0/1     Completed   034m
kube-system     rke-network-plugin-deploy-job-7zr8v         0/1     Completed   034m
kube-system     tiller-deploy-8cb5b5f5c-qzk5z               1/1     Running     032m

OK，看到能够这样执行命令，就可以了，后边的流水线工作就不用发愁了。