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Stable Release updates Release v0.37.0.
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StableRelease committed May 29, 2024
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4 changes: 2 additions & 2 deletions charts/karpenter-crd/Chart.yaml
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Expand Up @@ -2,8 +2,8 @@ apiVersion: v2
name: karpenter-crd
description: A Helm chart for Karpenter Custom Resource Definitions (CRDs).
type: application
version: 0.36.0
appVersion: 0.36.0
version: 0.37.0
appVersion: 0.37.0
keywords:
- cluster
- node
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4 changes: 2 additions & 2 deletions charts/karpenter/Chart.yaml
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Expand Up @@ -2,8 +2,8 @@ apiVersion: v2
name: karpenter
description: A Helm chart for Karpenter, an open-source node provisioning project built for Kubernetes.
type: application
version: 0.36.0
appVersion: 0.36.0
version: 0.37.0
appVersion: 0.37.0
keywords:
- cluster
- node
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14 changes: 7 additions & 7 deletions charts/karpenter/README.md
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Expand Up @@ -2,7 +2,7 @@

A Helm chart for Karpenter, an open-source node provisioning project built for Kubernetes.

![Version: 0.36.0](https://img.shields.io/badge/Version-0.36.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.36.0](https://img.shields.io/badge/AppVersion-0.36.0-informational?style=flat-square)
![Version: 0.37.0](https://img.shields.io/badge/Version-0.37.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.37.0](https://img.shields.io/badge/AppVersion-0.37.0-informational?style=flat-square)

## Documentation

Expand All @@ -15,7 +15,7 @@ You can follow the detailed installation instruction in the [documentation](http
```bash
helm upgrade --install --namespace karpenter --create-namespace \
karpenter oci://public.ecr.aws/karpenter/karpenter \
--version 0.36.0 \
--version 0.37.0 \
--set "serviceAccount.annotations.eks\.amazonaws\.com/role-arn=${KARPENTER_IAM_ROLE_ARN}" \
--set settings.clusterName=${CLUSTER_NAME} \
--set settings.interruptionQueue=${CLUSTER_NAME} \
Expand All @@ -27,13 +27,13 @@ helm upgrade --install --namespace karpenter --create-namespace \
As the OCI Helm chart is signed by [Cosign](https://github.com/sigstore/cosign) as part of the release process you can verify the chart before installing it by running the following command.

```shell
cosign verify public.ecr.aws/karpenter/karpenter:0.36.0 \
cosign verify public.ecr.aws/karpenter/karpenter:0.37.0 \
--certificate-oidc-issuer=https://token.actions.githubusercontent.com \
--certificate-identity-regexp='https://github\.com/aws/karpenter-provider-aws/\.github/workflows/release\.yaml@.+' \
--certificate-github-workflow-repository=aws/karpenter-provider-aws \
--certificate-github-workflow-name=Release \
--certificate-github-workflow-ref=refs/tags/v0.36.0 \
--annotations version=0.36.0
--certificate-github-workflow-ref=refs/tags/v0.37.0 \
--annotations version=0.37.0
```

## Values
Expand All @@ -48,9 +48,9 @@ cosign verify public.ecr.aws/karpenter/karpenter:0.36.0 \
| controller.envFrom | list | `[]` | |
| controller.extraVolumeMounts | list | `[]` | Additional volumeMounts for the controller pod. |
| controller.healthProbe.port | int | `8081` | The container port to use for http health probe. |
| controller.image.digest | string | `"sha256:90adaba9e8e9f66244324ca64408a5abbfe063f8c41fbbfebf226bdda4fadd58"` | SHA256 digest of the controller image. |
| controller.image.digest | string | `"sha256:157f478f5db1fe999f5e2d27badcc742bf51cc470508b3cebe78224d0947674f"` | SHA256 digest of the controller image. |
| controller.image.repository | string | `"public.ecr.aws/karpenter/controller"` | Repository path to the controller image. |
| controller.image.tag | string | `"0.36.0"` | Tag of the controller image. |
| controller.image.tag | string | `"0.37.0"` | Tag of the controller image. |
| controller.metrics.port | int | `8000` | The container port to use for metrics. |
| controller.resources | object | `{}` | Resources for the controller pod. |
| controller.sidecarContainer | list | `[]` | Additional sidecarContainer config |
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4 changes: 2 additions & 2 deletions charts/karpenter/values.yaml
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Expand Up @@ -101,9 +101,9 @@ controller:
# -- Repository path to the controller image.
repository: public.ecr.aws/karpenter/controller
# -- Tag of the controller image.
tag: 0.36.0
tag: 0.37.0
# -- SHA256 digest of the controller image.
digest: sha256:90adaba9e8e9f66244324ca64408a5abbfe063f8c41fbbfebf226bdda4fadd58
digest: sha256:157f478f5db1fe999f5e2d27badcc742bf51cc470508b3cebe78224d0947674f
# -- Additional environment variables for the controller pod.
env: []
# - name: AWS_REGION
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5 changes: 4 additions & 1 deletion hack/docs/compatibility-karpenter.yaml
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Expand Up @@ -47,4 +47,7 @@ compatibility:
maxK8sVersion: 1.29
- appVersion: 0.36.0
minK8sVersion: 1.23
maxK8sVersion: 1.29
maxK8sVersion: 1.29
- appVersion: 0.37.0
minK8sVersion: 1.23
maxK8sVersion: 1.30
32 changes: 0 additions & 32 deletions website/content/en/docs/concepts/nodeclasses.md
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Expand Up @@ -1246,35 +1246,3 @@ spec:
status:
instanceProfile: "${CLUSTER_NAME}-0123456778901234567789"
```
## status.conditions

[`status.conditions`]({{< ref "#statusconditions" >}}) indicates EC2NodeClass readiness. This will be `Ready` when Karpenter successfully discovers AMIs, Instance Profile, Subnets, Cluster CIDR and SecurityGroups for the EC2NodeClass.

```yaml
spec:
role: "KarpenterNodeRole-${CLUSTER_NAME}"
status:
conditions:
Last Transition Time: 2024-05-06T06:04:45Z
Message: Ready
Reason: Ready
Status: True
Type: Ready
```

If any of the underlying conditions are not resolved then `Status` is `False` and `Message` indicates the dependency that was not resolved.

```yaml
spec:
role: "KarpenterNodeRole-${CLUSTER_NAME}"
status:
conditions:
Last Transition Time: 2024-05-06T06:19:46Z
Message: unable to resolve instance profile for node class
Reason: NodeClassNotReady
Status: False
Type: Ready
```
{{% alert title="Note" color="primary" %}}
An EC2NodeClass that uses AL2023 requires the cluster CIDR for launching nodes. Cluster CIDR will not be resolved for EC2NodeClass that doesn't use AL2023.
{{% /alert %}}
1 change: 1 addition & 0 deletions website/content/en/docs/concepts/scheduling.md
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Expand Up @@ -152,6 +152,7 @@ Take care to ensure the label domains are correct. A well known label like `karp
| karpenter.k8s.aws/instance-cpu | 32 | [AWS Specific] Number of CPUs on the instance |
| karpenter.k8s.aws/instance-cpu-manufacturer | aws | [AWS Specific] Name of the CPU manufacturer |
| karpenter.k8s.aws/instance-memory | 131072 | [AWS Specific] Number of mebibytes of memory on the instance |
| karpenter.k8s.aws/instance-ebs-bandwidth | 9500 | [AWS Specific] Number of [maximum megabits](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-optimized.html#ebs-optimization-performance) of EBS available on the instance |
| karpenter.k8s.aws/instance-network-bandwidth | 131072 | [AWS Specific] Number of [baseline megabits](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-network-bandwidth.html) available on the instance |
| karpenter.k8s.aws/instance-pods | 110 | [AWS Specific] Number of pods the instance supports |
| karpenter.k8s.aws/instance-gpu-name | t4 | [AWS Specific] Name of the GPU on the instance, if available |
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4 changes: 2 additions & 2 deletions website/content/en/docs/faq.md
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Expand Up @@ -14,7 +14,7 @@ See [Configuring NodePools]({{< ref "./concepts/#configuring-nodepools" >}}) for
AWS is the first cloud provider supported by Karpenter, although it is designed to be used with other cloud providers as well.

### Can I write my own cloud provider for Karpenter?
Yes, but there is no documentation yet for it. Start with Karpenter's GitHub [cloudprovider](https://github.com/aws/karpenter-core/tree/v0.36.2/pkg/cloudprovider) documentation to see how the AWS provider is built, but there are other sections of the code that will require changes too.
Yes, but there is no documentation yet for it. Start with Karpenter's GitHub [cloudprovider](https://github.com/aws/karpenter-core/tree/v0.37.0/pkg/cloudprovider) documentation to see how the AWS provider is built, but there are other sections of the code that will require changes too.

### What operating system nodes does Karpenter deploy?
Karpenter uses the OS defined by the [AMI Family in your EC2NodeClass]({{< ref "./concepts/nodeclasses#specamifamily" >}}).
Expand All @@ -26,7 +26,7 @@ Karpenter has multiple mechanisms for configuring the [operating system]({{< ref
Karpenter is flexible to multi-architecture configurations using [well known labels]({{< ref "./concepts/scheduling/#supported-labels">}}).

### What RBAC access is required?
All the required RBAC rules can be found in the Helm chart template. See [clusterrole-core.yaml](https://github.com/aws/karpenter/blob/v0.36.2/charts/karpenter/templates/clusterrole-core.yaml), [clusterrole.yaml](https://github.com/aws/karpenter/blob/v0.36.2/charts/karpenter/templates/clusterrole.yaml), [rolebinding.yaml](https://github.com/aws/karpenter/blob/v0.36.2/charts/karpenter/templates/rolebinding.yaml), and [role.yaml](https://github.com/aws/karpenter/blob/v0.36.2/charts/karpenter/templates/role.yaml) files for details.
All the required RBAC rules can be found in the Helm chart template. See [clusterrole-core.yaml](https://github.com/aws/karpenter/blob/v0.37.0/charts/karpenter/templates/clusterrole-core.yaml), [clusterrole.yaml](https://github.com/aws/karpenter/blob/v0.37.0/charts/karpenter/templates/clusterrole.yaml), [rolebinding.yaml](https://github.com/aws/karpenter/blob/v0.37.0/charts/karpenter/templates/rolebinding.yaml), and [role.yaml](https://github.com/aws/karpenter/blob/v0.37.0/charts/karpenter/templates/role.yaml) files for details.

### Can I run Karpenter outside of a Kubernetes cluster?
Yes, as long as the controller has network and IAM/RBAC access to the Kubernetes API and your provider API.
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Expand Up @@ -45,7 +45,7 @@ After setting up the tools, set the Karpenter and Kubernetes version:

```bash
export KARPENTER_NAMESPACE="kube-system"
export KARPENTER_VERSION="0.36.2"
export KARPENTER_VERSION="0.37.0"
export K8S_VERSION="1.29"
```

Expand Down Expand Up @@ -119,13 +119,13 @@ See [Enabling Windows support](https://docs.aws.amazon.com/eks/latest/userguide/
As the OCI Helm chart is signed by [Cosign](https://github.com/sigstore/cosign) as part of the release process you can verify the chart before installing it by running the following command.

```bash
cosign verify public.ecr.aws/karpenter/karpenter:0.36.2 \
cosign verify public.ecr.aws/karpenter/karpenter:0.37.0 \
--certificate-oidc-issuer=https://token.actions.githubusercontent.com \
--certificate-identity-regexp='https://github\.com/aws/karpenter-provider-aws/\.github/workflows/release\.yaml@.+' \
--certificate-github-workflow-repository=aws/karpenter-provider-aws \
--certificate-github-workflow-name=Release \
--certificate-github-workflow-ref=refs/tags/v0.36.2 \
--annotations version=0.36.2
--certificate-github-workflow-ref=refs/tags/v0.37.0 \
--annotations version=0.37.0
```

{{% alert title="DNS Policy Notice" color="warning" %}}
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Expand Up @@ -22,6 +22,6 @@ dashboardProviders:
dashboards:
default:
capacity-dashboard:
url: https://karpenter.sh/v0.36/getting-started/getting-started-with-karpenter/karpenter-capacity-dashboard.json
url: https://karpenter.sh/v0.37/getting-started/getting-started-with-karpenter/karpenter-capacity-dashboard.json
performance-dashboard:
url: https://karpenter.sh/v0.36/getting-started/getting-started-with-karpenter/karpenter-performance-dashboard.json
url: https://karpenter.sh/v0.37/getting-started/getting-started-with-karpenter/karpenter-performance-dashboard.json
Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ One for your Karpenter node role and one for your existing node group.
First set the Karpenter release you want to deploy.
```bash
export KARPENTER_VERSION="0.36.2"
export KARPENTER_VERSION="0.37.0"
```

We can now generate a full Karpenter deployment yaml from the Helm chart.
Expand Down Expand Up @@ -132,7 +132,7 @@ Now that our deployment is ready we can create the karpenter namespace, create t
## Create default NodePool
We need to create a default NodePool so Karpenter knows what types of nodes we want for unscheduled workloads. You can refer to some of the [example NodePool](https://github.com/aws/karpenter/tree/v0.36.2/examples/v1beta1) for specific needs.
We need to create a default NodePool so Karpenter knows what types of nodes we want for unscheduled workloads. You can refer to some of the [example NodePool](https://github.com/aws/karpenter/tree/v0.37.0/examples/v1beta1) for specific needs.
{{% script file="./content/en/{VERSION}/getting-started/migrating-from-cas/scripts/step10-create-nodepool.sh" language="bash" %}}
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2 changes: 1 addition & 1 deletion website/content/en/docs/reference/cloudformation.md
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Expand Up @@ -17,7 +17,7 @@ These descriptions should allow you to understand:
To download a particular version of `cloudformation.yaml`, set the version and use `curl` to pull the file to your local system:

```bash
export KARPENTER_VERSION="0.36.2"
export KARPENTER_VERSION="0.37.0"
curl https://raw.githubusercontent.com/aws/karpenter-provider-aws/v"${KARPENTER_VERSION}"/website/content/en/preview/getting-started/getting-started-with-karpenter/cloudformation.yaml > cloudformation.yaml
```

Expand Down
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