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MIGRATION.md

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Migration

This migration guide is for migrating an existing cluster using etcd to store policy reports to reports-server.

You need to follow this if:

  1. The cluster has kyverno already installed, or,
  2. The cluster has policy reports crds already installed

Clusters with policy reports CRDs have existing API services for policy reports which need to be overwritten for reports-server to work. We do that by applying new api services with the label kube-aggregator.kubernetes.io/automanaged: "false".

Follow the given methods to migrate to reports server on your existing cluster:

YAML Manifest

YAML manifest can be installed directly using kubectl apply and this will overwrite the existing API services. Run the following command:

kubectl apply -f https://raw.githubusercontent.com/kyverno/reports-server/main/config/install.yaml

Helm Chart

Helm cannot overwrite resources when they are not managed by helm. Thus we recommend installing the chart without the api services using the following command:

helm install reports-server --namespace reports-server reports-server/reports-server --devel  --set apiServices.enabled=false

Once the helm chart is installed, API services can be manually updated using kubectl apply. Update our apiservices samples with the right reports-server name and namespace and apply that manifest.