Support cephfs_volume_mode parameter

manila now [1] supports configuring an octal value for the
rwx permissions mode of the cephfs volumes and snapshots
and groups of these that back manila shares, snapshots,
and groups.

Expose this parameter in the backend manifests for manila
with cephfs.

[1] https://review.openstack.org/#/c/614332

Depends-On: https://review.openstack.org/#/c/638770/
Change-Id: Id8cbdfeff8299ff08a84c1c5902fb909353d4678

manifests/profile/base/manila/share.pp

@@ -107,6 +107,7 @@ class tripleo::profile::base::manila::share (
         cephfs_auth_id               => $cephfs_auth_id,
         cephfs_cluster_name          => hiera('manila::backend::cephfs::cephfs_cluster_name'),
         cephfs_enable_snapshots      => hiera('manila::backend::cephfs::cephfs_enable_snapshots'),
+        cephfs_volume_mode           => hiera('manila::backend::cephfs::cephfs_volume_mode', '0755'),
         cephfs_protocol_helper_type  => $manila_cephfs_protocol_helper_type,
         cephfs_ganesha_server_ip     => hiera('ganesha_vip', undef),
       }

releasenotes/notes/Support-ceph_volume_mode-parameter-220b1026aebd9e3b.yaml

@@ -0,0 +1,5 @@
+features:
+  - |
+    Support setting values for ``cephfs_volume_mode`` parameter which controls
+    the rwx mode of the cephfs volumes, snapshots, and groups of these
+    that back manila shares.