Pometheus-Oerator 已经准备弃用，采用社区维护的 prometheus stack 部署。
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update
# install
helm install prometheus-stack prometheus-community/kube-prometheus-stack -n monitoring --create-namespace
# upgrade
helm upgrade prometheus-stack prometheus-community/kube-prometheus-stack
# uninstall
helm uninstall prometheus-stack