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Preserve translator identity metadata on host pod updates #3

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Merged
max06 merged 1 commit into from
Jul 30, 2026
Merged

Preserve translator identity metadata on host pod updates #3

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17 changes: 17 additions & 0 deletions k3k-kubelet/provider/provider.go
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Original file line number Diff line number Diff line change
Expand Up @@ -617,6 +617,23 @@ func (p *Provider) updatePod(ctx context.Context, pod *corev1.Pod) error {

updatePod(&hostPod, pod)

// updatePod copies the virtual pod's labels/annotations verbatim; re-assert
// the translator-owned identity metadata the virtual pod does not carry,
// otherwise every update strips it from the host pod (breaking label-selector
// services like k3k-<cluster>-kube-dns and any policy selecting on it).
if hostPod.Labels == nil {
hostPod.Labels = map[string]string{}
}

hostPod.Labels[translate.ClusterNameLabel] = p.ClusterName

if hostPod.Annotations == nil {
hostPod.Annotations = map[string]string{}
}

hostPod.Annotations[translate.ResourceNameAnnotation] = pod.Name
hostPod.Annotations[translate.ResourceNamespaceAnnotation] = pod.Namespace

if err := p.Host.Client.Update(ctx, &hostPod); err != nil {
logger.Error(err, "Unable to update Pod in host cluster")
return err
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