-if ! grep -q -e 'fail-swap-on' $KUBELET_CFG; then
- sudo sed 's/KUBELET_EXTRA_ARGS=/KUBELET_EXTRA_ARGS=--fail-swap-on=false --feature-gates HugePages=false/' -i $KUBELET_CFG
+if [ ! -f "$KUBELET_CFG" ]; then
+ echo 'KUBELET_EXTRA_ARGS=--fail-swap-on=false' | sudo tee $KUBELET_CFG > /dev/null
+elif ! grep -q -e 'fail-swap-on' $KUBELET_CFG; then
+ sudo sed 's/KUBELET_EXTRA_ARGS=/KUBELET_EXTRA_ARGS=--fail-swap-on=false/' -i $KUBELET_CFG