tke的prometheus如何增加自定义告警规则

[luckyboysmith]

What happened:
希望在tke安装的prometheus中新增自定义告警规则，
但是 编辑configmap prometheus-k8s-rulefiles-0后，发现新增的内容并未保存，
通过docker exec命令进入prometheus pod，并在/etc/prometheus/rules/目录新增 myrule.yaml后，

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• TKE version:
• Global or business cluster:
• Kubernetes version (use kubectl version):
• Install addons:
• Others: