Deprecate support for GlusterFS drivers

... because these are deprecated in manila.

Depends-on: https://review.opendev.org/908735
Change-Id: Ic605abffe6c7fc7df3ee285ed338f4939ed8ecf7

manifests/backend/glusterfs.pp

@@ -1,6 +1,6 @@
+# == define: manila::backend::glusterfs
 #
-# == Class: manila::backend::glusterfs
-#
+# DEPRECATED !!
 # Configures Manila to use GlusterFS as a share driver
 #
 # === Parameters
@@ -55,6 +55,8 @@ define manila::backend::glusterfs (
   include manila::deps
   $share_driver = 'manila.share.drivers.glusterfs.GlusterfsShareDriver'
 
+  warning('Support for GlusterFS driver has been deprecated.')
+
   manila_config {
     "${name}/share_backend_name":                      value => $share_backend_name;
     "${name}/backend_availability_zone":               value => $backend_availability_zone;

manifests/backend/glusternative.pp

@@ -1,6 +1,6 @@
-#
 # == define: manila::backend::glusternative
 #
+# DEPRECATED !!
 # Configures Manila to use GlusterFS native as a share driver
 #
 # === Parameters
@@ -61,6 +61,8 @@ define manila::backend::glusternative (
 
   $share_driver = 'manila.share.drivers.glusterfs_native.GlusterfsNativeShareDriver'
 
+  warning('Support for GlusterFS native driver has been deprecated.')
+
   manila_config {
     "${share_backend_name}/share_backend_name":                      value => $share_backend_name;
     "${share_backend_name}/backend_availability_zone":               value => $backend_availability_zone;

manifests/backend/glusternfs.pp

@@ -1,7 +1,7 @@
-#
 # == define: manila::backend::glusternfs
 #
-# Configures Manila to use GlusteFS NFS (Ganesha/GlusterNFS) as a share driver
+# DEPRECATED !!
+# Configures Manila to use GlusterFS NFS (Ganesha/GlusterNFS) as a share driver
 #
 # Currently Red Hat is the only supported platform, due to lack of packages
 # other platforms are not yet supported.
@@ -70,6 +70,8 @@ define manila::backend::glusternfs (
 
   $share_driver = 'manila.share.drivers.glusterfs.GlusterfsShareDriver'
 
+  warning('Support for GlusterFS driver has been deprecated.')
+
   manila_config {
     "${share_backend_name}/share_backend_name":                      value => $share_backend_name;
     "${share_backend_name}/backend_availability_zone":               value => $backend_availability_zone;

manifests/share/glusterfs.pp

@@ -1,6 +1,6 @@
-#
 # == Class: manila::share::glusterfs
 #
+# DEPRECATED !!
 # Configures Manila to use GlusterFS as a share driver
 #
 # === Parameters
@@ -23,6 +23,8 @@ class manila::share::glusterfs (
   $glusterfs_mount_point_base = '$state_path/mnt',
 ) {
 
+  warning('Support for GlusterFS driver has been deprecated.')
+
   manila::backend::glusterfs { 'DEFAULT':
     glusterfs_volumes_config   => $glusterfs_volumes_config,
     glusterfs_mount_point_base => $glusterfs_mount_point_base,

releasenotes/notes/deprecate-glusterfs-93944c0feb40a978.yaml

@@ -0,0 +1,13 @@
+---
+deprecations:
+  - |
+    The following defined resource types have been deprecated and will be
+    removed in a future release.
+
+    - ``manila::backend::glusterfs``
+    - ``manila::backend::glusternative``
+    - ``manila::backend::glusternfs``
+
+  - |
+    The ``manila::share::glustefs`` class has been deprecated and will be
+    removed in a future release.