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02-10-management.md

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Use Keda Manager To Manage KEDA

Keda Manager reconciles KEDA deployment based on the watched Keda custom resources (CRs):

  • Apply Keda CR (sample) to have KEDA installed.

    kubectl apply -f https://github.com/kyma-project/keda-manager/releases/latest/download/keda-default-cr.yaml

    After a while, you have KEDA installed, and you see its workloads:

    NAME                             READY   UP-TO-DATE   AVAILABLE   AGE
keda-manager                     1/1     1            1           3m
keda-operator                    1/1     1            1           3m
keda-operator-metrics-apiserver  1/1     1            1           3m

    Now you can use KEDA to scale workloads in the Kubernetes cluster. Check the demo application.

  • Remove Keda CR to have KEDA uninstalled.

    kubectl delete -f config/samples/keda-default-cr.yaml

    This uninstalls all KEDA workloads but leaves Keda Manager.

    NOTE: Keda Manager uses finalizers to uninstall the Keda module from the cluster. It means that Keda Manager blocks the uninstallation process of KEDA until there are user-created CRs (for example, ScaledObjects).

  • Update the specification of Keda CR to change the Keda installation

    The configuration example shows how to modify the Keda properties using the keda.operator.kyma-project.io CR.

     cat <<EOF | kubectl apply -f -
 apiVersion: operator.kyma-project.io/v1alpha1
 kind: Keda
 metadata:
 name: default
 spec:
 logging:
    operator:
       level: "debug"
 resources:
    operator:
       limits:
       cpu: "1"
       memory: "200Mi"
       requests:
       cpu: "0.5"
       memory: "150Mi"
    metricServer:
       limits:
       cpu: "1"
       memory: "1000Mi"
       requests:
       cpu: "300m"
       memory: "500Mi"
 EOF