fix(meshgateway): do not override annotations from deployment (backpo…

…rt of #10698) (#11617)

fix(meshgateway): do not override annotations from deployment (#10698)

fix(meshgateway): do not override annotations from deployment, this can cause problems with using kubernetes rollout restart

Signed-off-by: Marcin Skalski <skalskimarcin33@gmail.com>
Co-authored-by: Marcin Skalski <marcin.skalski@konghq.com>

pkg/plugins/runtime/k8s/controllers/gateway_instance_controller.go

@@ -295,6 +295,12 @@ func (r *GatewayInstanceReconciler) createOrUpdateDeployment(
 				metadata.KumaMeshAnnotation:    mesh,
 			}
 
+			if obj != nil {
+				for k, v := range obj.(*kube_apps.Deployment).Spec.Template.GetAnnotations() {
+					podAnnotations[k] = v
+				}
+			}
+
 			for k, v := range gatewayInstance.Spec.PodTemplate.Metadata.Annotations {
 				podAnnotations[k] = v
 			}