Rancher安装bitnami metrics-server错误解决

Rancher安装bitnami metrics-server，修改配置，

apiService:   create: true command:   - metrics-server   - '--kubelet-insecure-tls=true'   - '--kubelet-preferred-address-types=InternalIP'

否则，发生错误，

no such host

后者，发生错误，

error: Metrics API not available