Karpenter

https://karpenter.sh/ Kubernetes cluster autoscaling project

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

helm upgrade --install --namespace karpenter --create-namespace \
  karpenter karpenter/karpenter \
  --version v0.6.3 \
  --set serviceAccount.annotations."eks\.amazonaws\.com/role-arn"=${KARPENTER_IAM_ROLE_ARN} \
  --set clusterName=${CLUSTER_NAME} \
  --set clusterEndpoint=${CLUSTER_ENDPOINT} \
  --set aws.defaultInstanceProfile=KarpenterNodeInstanceProfile-${CLUSTER_NAME} \
  --wait # for the defaulting webhook to install before creating a Provisioner

News

• https://aws.amazon.com/about-aws/whats-new/2022/04/amazon-eks-karpenter-v0-9-0-pod-affinity/
• https://aws.amazon.com/about-aws/whats-new/2021/11/aws-karpenter-v0-5/
• https://aws.github.io/aws-eks-best-practices/karpenter/

Related

• Kubernetes Autoscaler
• Escalator
• EKS Best Practices Guides https://aws.github.io/aws-eks-best-practices/karpenter/
• KarpenterNode IAM Role

See also

• Karpenter, karpenter.sh, provisioners.karpenter.sh, Karpenter releases, best practices, karpenter.sh/capacity-type, karpenter.sh/discovery, kind: Provisioner, kind: AWSNodeTemplate, kubectl provisioner, TopologyKey, FailedDraining, Evict, DisruptionBlocked, Karpenter logs, controller., ttlSecondsUntilExpired, KEDA, NodePools, Kind: NodePool, Workload Consolidation, Disruption controls
• Horizontal Pod Autoscaler (HPA), Horizontal cluster-proportional-autoscaler container, Kubernetes cluster-proportional-vertical-autoscaler, Kubernetes Horizontal cluster-proportional-autoscaler container, FailedGetResourceMetric
• Kubernetes Autoscaler, cluster-autoscaler-status, Kubernetes Vertical Pod Autoscaler (VPA), k8s.io/cluster-autoscaler/enabled