fix: store revisions to ensure grove upgrades do not cause new rollouts #710
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // /* | ||
| // Copyright 2026 The Grove Authors. | ||
| // | ||
| // 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 utils | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| grovecorev1alpha1 "github.com/ai-dynamo/grove/operator/api/core/v1alpha1" | ||
| commonrevision "github.com/ai-dynamo/grove/operator/internal/controller/common/revision" | ||
|
|
||
| appsv1 "k8s.io/api/apps/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| // GetSelectedPodCliqueSetRevision loads and validates the revision selected by the PodCliqueSet. | ||
| func GetSelectedPodCliqueSetRevision(ctx context.Context, cl client.Client, pcs *grovecorev1alpha1.PodCliqueSet) (*commonrevision.SelectedRevision, error) { | ||
| if pcs.Status.CurrentRevision == nil || *pcs.Status.CurrentRevision == "" { | ||
| return nil, fmt.Errorf("PodCliqueSet %v has no selected ControllerRevision", client.ObjectKeyFromObject(pcs)) | ||
| } | ||
| controllerRevision := &appsv1.ControllerRevision{} | ||
| if err := cl.Get(ctx, client.ObjectKey{Namespace: pcs.Namespace, Name: *pcs.Status.CurrentRevision}, controllerRevision); err != nil { | ||
| return nil, err | ||
| } | ||
| if !metav1.IsControlledBy(controllerRevision, pcs) { | ||
| return nil, fmt.Errorf("ControllerRevision %v is not controlled by PodCliqueSet %v", client.ObjectKeyFromObject(controllerRevision), client.ObjectKeyFromObject(pcs)) | ||
| } | ||
| selectedRevision, err := commonrevision.DecodeSelectedRevision(controllerRevision.Data.Raw) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("ControllerRevision %v has invalid revision data: %w", client.ObjectKeyFromObject(controllerRevision), err) | ||
| } | ||
| if pcs.Status.CurrentGenerationHash == nil || *pcs.Status.CurrentGenerationHash != selectedRevision.GenerationHash() { | ||
| return nil, fmt.Errorf("PodCliqueSet %v generation identity does not match ControllerRevision %v", client.ObjectKeyFromObject(pcs), client.ObjectKeyFromObject(controllerRevision)) | ||
| } | ||
| return selectedRevision, nil | ||
| } |
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Is there any kind of cleanup for old revisions or are they all kept for the whole PCS lifetime?
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Right now all but the active one are cleaned up: https://github.com/steved/grove/blob/7cb40f286add7cd4006e736a1f03dec202e0c6c5/operator/internal/controller/podcliqueset/revision.go#L300-L321