-
Notifications
You must be signed in to change notification settings - Fork 328
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Let the HO manage the Karpenter Operator Deployment
The Karpeneter Operator Deployment is fully OCP version agnostic, it's applied by the HO and the binary lives within the HO image
- Loading branch information
Showing
4 changed files
with
155 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
116 changes: 116 additions & 0 deletions
116
hypershift-operator/controllers/hostedcluster/karpenter.go
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /* | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package hostedcluster | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| hyperv1 "github.com/openshift/hypershift/api/hypershift/v1beta1" | ||
| karpenteroperatormanifest "github.com/openshift/hypershift/karpenter-operator/manifests" | ||
| "github.com/openshift/hypershift/support/upsert" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/util/intstr" | ||
| "k8s.io/utils/ptr" | ||
| ) | ||
|
|
||
| func (r *HostedClusterReconciler) reconcileKarpenterOperator(ctx context.Context, createOrUpdate upsert.CreateOrUpdateFN, hcluster *hyperv1.HostedCluster, hcp *hyperv1.HostedControlPlane, hypershiftOperatorImage, controlPlaneOperatorImage string) error { | ||
| if hcluster.Spec.AutoNode == nil || hcluster.Spec.AutoNode.Provisioner.Name != hyperv1.ProvisionerKarpeneter || | ||
| hcluster.Spec.AutoNode.Provisioner.Karpenter.Platform != hyperv1.AWSPlatform { | ||
| return nil | ||
| } | ||
|
|
||
| // Generate configMap with KubeletConfig to register Nodes with karpenter expected taint. | ||
| taintConfigName := "set-karpenter-taint" | ||
| configMap := &corev1.ConfigMap{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: taintConfigName, | ||
| Namespace: hcluster.Namespace, | ||
| }, | ||
| } | ||
|
|
||
| kubeletConfig := `apiVersion: machineconfiguration.openshift.io/v1 | ||
| kind: KubeletConfig | ||
| metadata: | ||
| name: set-karpenter-taint | ||
| spec: | ||
| kubeletConfig: | ||
| registerWithTaints: | ||
| - key: "karpenter.sh/unregistered" | ||
| value: "true" | ||
| effect: "NoExecute"` | ||
|
|
||
| _, err := createOrUpdate(ctx, r.Client, configMap, func() error { | ||
| configMap.Data = map[string]string{ | ||
| "config": kubeletConfig, | ||
| } | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create configmap: %w", err) | ||
| } | ||
|
|
||
| // Managed a NodePool to generate userData for Karpenter instances | ||
| // TODO(alberto): consider invoking the token library to manage the karpenter userdata programatically, | ||
| // instead of via NodePool API. | ||
| nodePool := &hyperv1.NodePool{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "karpenter", | ||
| Namespace: hcluster.Namespace, | ||
| }, | ||
| } | ||
| _, err = createOrUpdate(ctx, r.Client, nodePool, func() error { | ||
| nodePool.Spec = hyperv1.NodePoolSpec{ | ||
| ClusterName: hcluster.Name, | ||
| Replicas: ptr.To(int32(0)), | ||
| Release: hcluster.Spec.Release, | ||
| Config: []corev1.LocalObjectReference{ | ||
| { | ||
| Name: taintConfigName, | ||
| }, | ||
| }, | ||
| Management: hyperv1.NodePoolManagement{ | ||
| UpgradeType: hyperv1.UpgradeTypeReplace, | ||
| Replace: &hyperv1.ReplaceUpgrade{ | ||
| Strategy: hyperv1.UpgradeStrategyRollingUpdate, | ||
| RollingUpdate: &hyperv1.RollingUpdate{ | ||
| MaxUnavailable: ptr.To(intstr.FromInt(0)), | ||
| MaxSurge: ptr.To(intstr.FromInt(1)), | ||
| }, | ||
| }, | ||
| AutoRepair: false, | ||
| }, | ||
| Platform: hyperv1.NodePoolPlatform{ | ||
| Type: hyperv1.AWSPlatform, | ||
| AWS: &hyperv1.AWSNodePoolPlatform{ | ||
| InstanceType: "m5.large", | ||
| Subnet: hyperv1.AWSResourceReference{ | ||
| ID: ptr.To("subnet-none"), | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create configmap: %w", err) | ||
| } | ||
| // TODO(alberto): Ensure deletion if autoNode is disabled. | ||
|
|
||
| // Run karpenter Operator to manage CRs management and guest side. | ||
| if err := karpenteroperatormanifest.ReconcileKarpenterOperator(ctx, createOrUpdate, r.Client, hypershiftOperatorImage, controlPlaneOperatorImage, hcp); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters