Deprecate GlusterFS (Native) Driver

CI of these drivers has been broken since migration to Ubuntu Jammy
and no one has shown interest to fix it so far.

Because these drivers haven't been update for some time, we can assume
these drivers are no longer used.

Related-Bug: #1998493
Change-Id: I9df5b7289dcec3a0de321169e892512571e7c006

doc/source/admin/glusterfs_driver.rst

@@ -20,6 +20,9 @@ GlusterFS driver
 GlusterFS driver uses GlusterFS, an open source distributed file system,
 as the storage backend for serving file shares to manila clients.
 
+.. note::
+   This driver has been deprecated in 18.0.0 release.
+
 Supported shared filesystems
 ----------------------------
 

doc/source/admin/glusterfs_native_driver.rst

@@ -27,6 +27,9 @@ shares. Access to each share is allowed via TLS Certificates. Only the instance
 which has the TLS trust established with the GlusterFS backend can mount and
 hence use the share. Currently only 'rw' access is supported.
 
+.. note::
+   This driver has been deprecated in 18.0.0 release.
+
 Network Approach
 ----------------
 

doc/source/configuration/shared-file-systems/drivers/glusterfs-driver.rst

@@ -6,6 +6,9 @@ GlusterFS driver uses GlusterFS, an open source distributed file system,
 as the storage back end for serving file shares to the Shared File
 Systems clients.
 
+.. note::
+   This driver has been deprecated in 18.0.0 release.
+
 Supported shared filesystems and operations
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

doc/source/configuration/shared-file-systems/drivers/glusterfs-native-driver.rst

@@ -14,6 +14,9 @@ via TLS Certificates. Only the instance which has the TLS trust
 established with the GlusterFS back end can mount and hence use the
 share. Currently only ``read-write (rw)`` access is supported.
 
+.. note::
+   This driver has been deprecated in 18.0.0 release.
+
 Network approach
 ~~~~~~~~~~~~~~~~
 

manila/share/drivers/glusterfs/__init__.py

@@ -29,6 +29,7 @@ import socket
 import sys
 
 from oslo_config import cfg
+from oslo_log import log
 
 from manila.common import constants
 from manila import exception
@@ -60,6 +61,9 @@ GlusterfsManilaShare_opts = [
 CONF = cfg.CONF
 CONF.register_opts(GlusterfsManilaShare_opts)
 
+LOG = log.getLogger(__name__)
+
+
 NFS_EXPORT_DIR = 'nfs.export-dir'
 NFS_EXPORT_VOL = 'nfs.export-volumes'
 NFS_RPC_AUTH_ALLOW = 'nfs.rpc-auth-allow'
@@ -78,6 +82,8 @@ class GlusterfsShareDriver(driver.ExecuteMixin, driver.GaneshaMixin,
 
     def __init__(self, *args, **kwargs):
         super(GlusterfsShareDriver, self).__init__(False, *args, **kwargs)
+        LOG.warning('GlusterFS share driver has been deprecated and is '
+                    'expected to be removed in a future release.')
         self._helpers = {}
         self.configuration.append_config_values(GlusterfsManilaShare_opts)
         self.backend_name = self.configuration.safe_get(

manila/share/drivers/glusterfs/glusterfs_native.py

@@ -71,6 +71,8 @@ class GlusterfsNativeShareDriver(driver.ExecuteMixin,
     def __init__(self, *args, **kwargs):
         super(GlusterfsNativeShareDriver, self).__init__(
             False, *args, **kwargs)
+        LOG.warning('GlusterFS native share driver has been deprecated and is '
+                    'expected to be removed in a future release.')
         self._helpers = None
         self.backend_name = self.configuration.safe_get(
             'share_backend_name') or 'GlusterFS-Native'

releasenotes/notes/deprecate-glustefs-8e0c863aaa58eb6b.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    The GlusterFS driver the GlusterFS Native driver have been deprecated.
+    These drivers will be removed in a future release.