Set --field-manager when applying

Signed-off-by: Sylvain Rabot <[email protected]>

Author: Sylvain Rabot

controllers/kustomization_controller.go

@@ -682,9 +682,11 @@ func (r *KustomizationReconciler) apply(kustomization kustomizev1.Kustomization,
 	timeout := kustomization.GetTimeout() + (time.Second * 1)
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
+	source, err := r.getSource(ctx, kustomization)
+	fieldManager := fmt.Sprintf("%s/%s", "kustomize-controller", source.GetArtifact().Revision[:8])
 
-	cmd := fmt.Sprintf("cd %s && kubectl apply -f %s.yaml --timeout=%s --cache-dir=/tmp",
-		dirPath, kustomization.GetUID(), kustomization.Spec.Interval.Duration.String())
+	cmd := fmt.Sprintf("cd %s && kubectl apply --field-manager=%s -f %s.yaml --timeout=%s --cache-dir=/tmp",
+		dirPath, fieldManager, kustomization.GetUID(), kustomization.Spec.Interval.Duration.String())
 
 	if kustomization.Spec.KubeConfig != nil {
 		kubeConfig, err := r.writeKubeConfig(kustomization, dirPath)