github官方链接
https://github.com/helm/charts/tree/master/stable/prometheus
安装命令
$ helm install --name my-release stable/prometheus-operator
安装指定参数，比如prometheus和prometheus-operator的serivce type改为nodeport，默认为ClusterIP
$ helm install --name my-release stable/prometheus-operator --set prometheusOperator.service.type=NodePort --set prometheus.service.type=NodePort
删除prometheus-operator
1、直接通过helm delete删除
$ helm delete my-release
2、删除相关crd
kubectl delete crd prometheuses.monitoring.coreos.com
kubectl delete crd prometheusrules.monitoring.coreos.com
kubectl delete crd servicemonitors.monitoring.coreos.com
kubectl delete crd alertmanagers.monitoring.coreos.com
3、删除helm 上的my-release
helm del --purge my-release