Allow configuration of nodelabels in local_volume_provisioner (#6620)

inventory/sample/group_vars/k8s-cluster/addons.yml

@@ -33,6 +33,10 @@ local_path_provisioner_enabled: false
 # Local volume provisioner deployment
 local_volume_provisioner_enabled: false
 # local_volume_provisioner_namespace: kube-system
+# local_volume_provisioner_nodelabels:
+#   - kubernetes.io/hostname
+#   - topology.kubernetes.io/region
+#   - topology.kubernetes.io/zone
 # local_volume_provisioner_storage_classes:
 #   local-storage:
 #     host_dir: /mnt/disks

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

@@ -1,5 +1,10 @@
 ---
 local_volume_provisioner_namespace: "kube-system"
+# List of node labels to be copied to the PVs created by the provisioner
+local_volume_provisioner_nodelabels: []
+#   - kubernetes.io/hostname
+#   - topology.kubernetes.io/region
+#   - 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_storage_classes: |

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

@@ -16,6 +16,12 @@ metadata:
   name: local-volume-provisioner
   namespace: {{ local_volume_provisioner_namespace }}
 data:
+{% if local_volume_provisioner_nodelabels | length > 0 %}
+  nodeLabelsForPV: |
+{% for nodelabel in local_volume_provisioner_nodelabels %}
+    - {{ nodelabel }}
+{% endfor %}
+{% endif %}
   storageClassMap: |
 {% for class_name, storage_class in local_volume_provisioner_storage_classes.items() %}
     {{ class_name }}: