Difference between revisions of "Karpenter"
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↑ https://aws.amazon.com/blogs/aws/introducing-karpenter-an-open-source-high-performance-kubernetes-cluster-autoscaler/
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| − | Karpenter (Nov 2021) <ref>https://aws.amazon.com/blogs/aws/introducing-karpenter-an-open-source-high-performance-kubernetes-cluster-autoscaler/</ref> Kubernetes cluster [[autoscaling]] | + | Karpenter (Nov 2021) <ref>https://aws.amazon.com/blogs/aws/introducing-karpenter-an-open-source-high-performance-kubernetes-cluster-autoscaler/</ref> Kubernetes cluster [[autoscaling]]. |
* https://karpenter.sh/ | * https://karpenter.sh/ | ||
* https://docs.aws.amazon.com/eks/latest/userguide/autoscaling.html#karpenter | * https://docs.aws.amazon.com/eks/latest/userguide/autoscaling.html#karpenter | ||
| − | + | * <code>[[controller.]]</code> | |
| + | |||
| + | * <code>[[karpenter.sh]]</code> | ||
| − | |||
* [[Karpenter releases|Releases]]: https://github.com/aws/karpenter/releases | * [[Karpenter releases|Releases]]: https://github.com/aws/karpenter/releases | ||
[[helm repo add karpenter https://charts.karpenter.sh/]] | [[helm repo add karpenter https://charts.karpenter.sh/]] | ||
[[helm repo update]] | [[helm repo update]] | ||
| − | + | [[helm install karpenter]] | |
| − | [[helm | ||
| − | |||
| − | |||
| − | |||
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| Line 23: | Line 17: | ||
* <code>[[kubectl describe provisioner]]</code> | * <code>[[kubectl describe provisioner]]</code> | ||
* <code>[[kind: Provisioner]]</code> | * <code>[[kind: Provisioner]]</code> | ||
| + | * <code>[[kubectl get all -n karpenter]]</code> | ||
== Logs == | == Logs == | ||
| Line 28: | Line 23: | ||
* <code>[[controller.node]] [[Triggering termination for expired node after]] 168h0m0s .../...</code> | * <code>[[controller.node]] [[Triggering termination for expired node after]] 168h0m0s .../...</code> | ||
| − | + | * <code>[[kubectl logs -f -n karpenter -l app.kubernetes.io/name=karpenter -c controller]]</code> | |
| − | + | * <code>[[kubectl patch configmap config-logging]] -n karpenter --patch '{"data":{"loglevel.controller":"debug"}}'</code> | |
| − | + | * <code>[[stern -n karpenter -l app.kubernetes.io/name=karpenter]]</code> | |
== [[Karpenter changelog|News]] == | == [[Karpenter changelog|News]] == | ||
| Line 47: | Line 42: | ||
== Related == | == Related == | ||
* [[Amazon EC2 Instance types]]: | * [[Amazon EC2 Instance types]]: | ||
| + | * [[AWS Auto Scaling Groups (ASG)]] | ||
* [[Kubernetes Autoscaler]] | * [[Kubernetes Autoscaler]] | ||
* [[Escalator]] | * [[Escalator]] | ||
| Line 68: | Line 64: | ||
* <code>[[kubectl get events]]</code>: <code>[[FailedScheduling]]</code> | * <code>[[kubectl get events]]</code>: <code>[[FailedScheduling]]</code> | ||
* [[Cilium]] | * [[Cilium]] | ||
| + | |||
| + | * [[KEDA]] | ||
== See also == | == See also == | ||
| + | * {{karpenter.sh}} | ||
* {{kubectl provisioner}} | * {{kubectl provisioner}} | ||
* {{Karpenter}} | * {{Karpenter}} | ||
Latest revision as of 14:04, 8 March 2024
Karpenter (Nov 2021) [1] Kubernetes cluster autoscaling.
helm repo add karpenter https://charts.karpenter.sh/ helm repo update helm install karpenter
Contents
Logs[edit]
controller.provisioning Relaxing soft constrains ...controller.node Triggering termination for expired node after 168h0m0s .../...
kubectl patch configmap config-logging -n karpenter --patch '{"data":{"loglevel.controller":"debug"}}'
News[edit]
- Aug 2022 v0.15.0 Workload Consolidation for Karpenter https://aws.amazon.com/about-aws/whats-new/2022/08/workload-consolidation-karpenter/
- Apr 2022 v0.9.0 with Pod Affinity https://aws.amazon.com/about-aws/whats-new/2022/04/amazon-eks-karpenter-v0-9-0-pod-affinity/
- Nov 2021 AWS Karpenter v0.5 https://aws.amazon.com/about-aws/whats-new/2021/11/aws-karpenter-v0-5/
Activities[edit]
- Read htps://karpenter.sh/preview/troubleshooting/
- Read about Kubernetes scheduler and Karpenter https://github.com/aws/karpenter/issues/1528
- Read Karpenter best practices: https://aws.github.io/aws-eks-best-practices/karpenter/
- Read https://aws.amazon.com/blogs/containers/managing-pod-scheduling-constraints-and-groupless-node-upgrades-with-karpenter-in-amazon-eks/
Related[edit]
- Amazon EC2 Instance types:
- AWS Auto Scaling Groups (ASG)
- Kubernetes Autoscaler
- Escalator
- EKS Best Practices Guides https://aws.github.io/aws-eks-best-practices/karpenter/
KarpenterNodeIAM Role- https://registry.terraform.io/modules/terraform-aws-modules/eks/aws/latest/examples/karpenter
karpenter.sh: karpenter.sh/capacity-typekubectl logs -f -n karpenter $(kubectl get pods -n karpenter -l karpenter=controller -o name)- Kubernetes PodDisruptionBudget (PDB)
kubectl get all -n karpenterTopologyKey:- Kubernetes scheduler
- Kubernetes Pod Topology Spread Constraints
- Kubernetes pod affinity and anti affinity
Evictkarpenter.sh/do-not-evict: true- Kubernetes provisioner
- IAM OIDC provider
- Kubernetes controllers
- Amazon EC2 Auto Scaling
kubectl get events:FailedScheduling- Cilium
See also[edit]
karpenter.sh [ /capacity-type | /discovery | /arch | /provisioner-name | /do-not-evict | /do-not-consolidate ]kubeclt [ get | describe | patch ] provisioner- Karpenter, Karpenter releases, best practices,
karpenter.sh/capacity-type, karpenter.sh/discovery,kind: Provisioner, kind: AWSNodeTemplate,kubectl provisioner, TopologyKey, FailedDraining, Evict, Karpenter logs,controller., ttlSecondsUntilExpired, KEDA - Kubernetes autoscaling, HPA, VPA, Karpenter, Kubernetes Autoscaler,
kubectl autoscale, Kubernetes Metrics Server (KMS)
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