global: Add nfs-provisioner chart

This commit introduces a global chart and chart group for NFS
provisioner, a chart in the OpenStack-Helm-Infra repository [0]. The NFS
chart will be required for Airskiff when deploying global UCP charts.

[0] https://git.openstack.org/cgit/openstack/openstack-helm-infra/tree/nfs-provisioner

Change-Id: I9c6464f08e6ce54bdca72525cdef04df7f14edc5

global/software/charts/osh-infra/osh-infra-nfs-provisioner/chart-group.yaml

@@ -0,0 +1,13 @@
+---
+schema: armada/ChartGroup/v1
+metadata:
+  schema: metadata/Document/v1
+  name: osh-infra-nfs-provisioner
+  layeringDefinition:
+    abstract: false
+    layer: global
+  storagePolicy: cleartext
+data:
+  description: OSH Infra NFS Provisioner
+  chart_group:
+    - nfs-provisioner

global/software/charts/osh-infra/osh-infra-nfs-provisioner/nfs-provisioner.yaml

@@ -0,0 +1,39 @@
+---
+schema: armada/Chart/v1
+metadata:
+  schema: metadata/Document/v1
+  name: nfs-provisioner
+  layeringDefinition:
+    abstract: false
+    layer: global
+  storagePolicy: cleartext
+  substitutions:
+    # Chart source
+    - src:
+        schema: pegleg/SoftwareVersions/v1
+        name: software-versions
+        path: .charts.osh_infra.nfs_provisioner
+      dest:
+        path: .source
+
+    # Images
+    - src:
+        schema: pegleg/SoftwareVersions/v1
+        name: software-versions
+        path: .images.osh_infra.nfs_provisioner
+      dest:
+        path: .values.images.tags
+data:
+  chart_name: nfs-provisioner
+  release: nfs-provisioner
+  namespace: nfs
+  wait:
+    timeout: 900
+    labels:
+      release_group: airship-nfs-provisioner
+  values:
+    storageclass:
+      name: general
+  dependencies:
+    - osh-infra-helm-toolkit
+...

global/software/config/versions.yaml

@@ -210,6 +210,11 @@ data:
         reference: a367bacb4bd3af55dd11dbc5c9855749a123779d
         subpath: nagios
         type: git
+      nfs_provisioner:
+        location: https://git.openstack.org/openstack/openstack-helm-infra
+        reference: 8662018a4dceb82a5d699d9e118caff9e5edb156
+        subpath: nfs-provisioner
+        type: git
       podsecuritypolicy:
         location: https://git.openstack.org/openstack/openstack-helm-infra
         reference: a367bacb4bd3af55dd11dbc5c9855749a123779d
@@ -517,6 +522,7 @@ data:
       grafana: {}
       kibana: {}
       nagios: {}
+      nfs_provisioner: {}
       prometheus: {}
       prometheus_alertmanager: {}
       prometheus_kube_state_metrics: {}