local provisioner 'useNodeNameOnly' option can be configured (#7421)

(cherry picked from commit 7e75d48cc4)

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/defaults/main.yml

@@ -7,6 +7,7 @@ local_volume_provisioner_nodelabels: []
 #   - topology.kubernetes.io/zone
 # Levarages Ansibles string to Python datatype casting. Otherwise the dict_key isn't substituted
 # see https://github.com/ansible/ansible/issues/17324
+local_volume_provisioner_use_node_name_only: false
 local_volume_provisioner_storage_classes: |
   {
     "{{ local_volume_provisioner_storage_class | default('local-storage') }}": {

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/templates/local-volume-provisioner-cm.yml.j2

@@ -21,6 +21,9 @@ data:
 {% for nodelabel in local_volume_provisioner_nodelabels %}
     - {{ nodelabel }}
 {% endfor %}
+{% endif %}
+{% if local_volume_provisioner_use_node_name_only %}
+  useNodeNameOnly: "true"
 {% endif %}
   storageClassMap: |
 {% for class_name, storage_class in local_volume_provisioner_storage_classes.items() %}