no matches for kind "PrometheusRule" in version "monitoring.coreos.com/v1" when install RabbitMQ HA using helm

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When I using helm v3.2.1 to install RabbitMQ HA in kubernetes v1.15.2 cluster follow by this manual:

./helm install stable/rabbitmq-ha --generate-name -n dabai-pro

it give me this tips:

[miao@MeowK8SMaster1 linux-amd64]$ ./helm install stable/rabbitmq-ha --generate-name -n dabai-pro
Error: unable to build kubernetes objects from release manifest: unable to recognize "": no matches for kind "PrometheusRule" in version "monitoring.coreos.com/v1"

should I install some dependencies? what should I do to make it work? This is my helm version detail info:

[miao@MeowK8SMaster1 linux-amd64]$ ./helm version
version.BuildInfo{Version:"v3.2.1", GitCommit:"fe51cd1e31e6a202cba7dead9552a6d418ded79a", GitTreeState:"clean", GoVersion:"go1.13.10"}

and this is the repo I am using now:

[miao@MeowK8SMaster1 linux-amd64]$ ./helm repo list
NAME    URL
stable  https://kubernetes-charts.storage.googleapis.com/
kubernetes
2 Answers

You can install Prometheus operator in the cluster. RabbitMQ is monitored by Prometheus.After installation verify by running below command

kubectl api-resources | grep prom
prometheuses                                   monitoring.coreos.com          true         Prometheus
prometheusrules                                monitoring.coreos.com          true         PrometheusRule

For different installation options(including helm) of Prometheus check this

user_18394820

It seems like setting prometheus.operator.enabled=false doesn't require Prometheus installation.

I ran this:

helm install --set existingConfigMap=true,prometheus.operator.enabled=false rabbit-ha stable/rabbitmq-ha

And the chart successfully installed.

user_142230550
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