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Update cleanup job node affinity logic #1455

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Merged
dkwon17 merged 4 commits into from
Jun 25, 2025
Merged

Update cleanup job node affinity logic #1455

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c87a16d
Update cleanup job node affinity logic
dkwon17 Jun 20, 2025
1775c8f
Update doc
dkwon17 Jun 24, 2025
74abc27
Update log message
dkwon17 Jun 24, 2025
e6748d6
Update log message
dkwon17 Jun 25, 2025
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44 changes: 32 additions & 12 deletions pkg/provision/storage/cleanup.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,9 @@ import (
k8sErrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
k8sclient "sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"

Expand Down Expand Up @@ -120,7 +122,7 @@ func getSpecCommonPVCCleanupJob(workspace *common.DevWorkspaceWithConfig, cluste
pvcName = workspace.Config.Workspace.PVCName
}

targetNode, err := getCommonPVCTargetNode(workspace, clusterAPI)
targetNode, err := getTargetNodeName(workspace, clusterAPI)
if err != nil {
clusterAPI.Logger.Info("Error getting target node for PVC", "PVC", fmt.Sprintf("%s/%s", workspace.Namespace, workspace.Config.Workspace.PVCName), "error", err)
} else if targetNode == "" {
Expand Down Expand Up @@ -253,21 +255,39 @@ func commonPVCExists(workspace *common.DevWorkspaceWithConfig, clusterAPI sync.C
return true, nil
}

func getCommonPVCTargetNode(workspace *common.DevWorkspaceWithConfig, clusterAPI sync.ClusterAPI) (string, error) {
namespacedName := types.NamespacedName{
Name: workspace.Config.Workspace.PVCName,
Namespace: workspace.Namespace,
}
pvc := &corev1.PersistentVolumeClaim{}
err := clusterAPI.Client.Get(clusterAPI.Ctx, namespacedName, pvc)
// If there is a running devworkspace pod that already mounts the PVC, this function
// gets the node name of the node the devworkspace pod is running in.
// Returns an empty string if no such pod exists.
func getTargetNodeName(workspace *common.DevWorkspaceWithConfig, clusterAPI sync.ClusterAPI) (string, error) {

labelSelector, err := labels.Parse(constants.DevWorkspaceIDLabel)
if err != nil {
return "", err
}

targetNode := ""
if pvc.Annotations != nil {
targetNode = pvc.Annotations[constants.SelectedNodeAnnotation]
listOptions := &client.ListOptions{
Namespace: workspace.Namespace,
LabelSelector: labelSelector,
}

found := &corev1.PodList{}
err = clusterAPI.Client.List(clusterAPI.Ctx, found, listOptions)
if err != nil {
return "", err
}

return targetNode, nil
return getNodeNameWithPVC(found, workspace.Config.Workspace.PVCName), nil
}

func getNodeNameWithPVC(list *corev1.PodList, pvcName string) string {
for _, pod := range list.Items {
if pod.Status.Phase == corev1.PodRunning {
for _, volume := range pod.Spec.Volumes {
if volume.PersistentVolumeClaim != nil && volume.PersistentVolumeClaim.ClaimName == pvcName {
return pod.Spec.NodeName
}
}
}
}
return ""
}
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