karpenter-cr

Karpenter custom resources for Kubernetes.

Prerequisites

• Kubernetes 1.28+
• Helm 3.9+

Below is the extended README.md, the full configuration table based on the provided values.yaml is in VALUES.md file, release updates posted in the CHANGELOG.md file.

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Karpenter Custom Resources for Kubernetes

The karpenter-cr Helm chart deploys custom resources for Karpenter, including NodePool and EC2NodeClass, to manage the underlying EC2 infrastructure efficiently for a Kubernetes cluster.

Getting Started

Add Karpenter Helm Repository

Before installing the chart, add the Karpenter Helm repository:

helm repo add karpenter logzio-chartmuseum/karpenter-cr
helm repo update

karpenter-cr

Karpenter custom resources for Kubernetes.

Prerequisites

• Kubernetes 1.28+
• Helm 3.9+

Below is the extended README.md, the full configuration table based on the provided values.yaml is in VALUES.md file, release updates posted in the CHANGELOG.md file.

---

Karpenter Custom Resources for Kubernetes

The karpenter-cr Helm chart deploys custom resources for Karpenter, including NodePool and EC2NodeClass, to manage the underlying EC2 infrastructure efficiently for a Kubernetes cluster.

Getting Started

Add Karpenter Helm Repository

Before installing the chart, add the Karpenter Helm repository:

helm repo add karpenter https://karpenter.sh/charts
helm repo update

Installation

1. Create the Karpenter Secret

   If not managing secrets externally, create the Karpenter secret with your relevant information.

2. Install the Chart

   Install karpenter-cr from the Karpenter Helm repository, specifying the necessary values:

   helm upgrade --install --namespace kube-system --create-namespace \
   --set "karpenter.serviceAccount.annotations.eks\.amazonaws\.com/role-arn=${KARPENTER_IAM_ROLE_ARN}" \
   --set karpenter.settings.clusterName=${CLUSTER_NAME} \
   --set karpenter.settings.interruptionQueue=${CLUSTER_NAME} \
   --set nodeInstanceGroups.AMISelectorTerms.ids=["ami-123"] \
   --set nodeInstanceGroups.SecurityGroupSelectorTerms.ids=["sg-aaaaaaaaaaaaaaaaa"] \
   --set nodeInstanceGroups.SubnetSelectorTerms.ids=["subnet-aaaaaaaaaaaaa"] \
   --set nodeInstanceGroups.Role="KarpenterNodeRole" \
   --wait \
   karpenter-cr logzio-chartmuseum/karpenter-cr 

Uninstalling the Chart

To uninstall/delete the karpenter-cr deployment:

helm delete -n kube-system karpenter-cr

Configure customization options

You can use the following options to update the Helm chart values parameters:

• Specify parameters using the --set key=value[,key=value] argument to helm install

• Edit the values.yaml

• Overide default values with your own my_values.yaml and apply it in the helm install command.