From 9885cb2454d78a46c9626547916d7ed8ed7fa206 Mon Sep 17 00:00:00 2001
From: Adriano Rosso <adriano.rosso@fit-tecnologia.org.br>
Date: Fri, 23 Dec 2016 09:56:38 -0200
Subject: [PATCH] HNAS: Deprecate HNAS iSCSI driver

Due to some known limitations when working with iSCSI protocol,
we decided to deprecate the Hitachi NAS iSCSI driver. The driver
will be removed on P release.
Hitachi NAS NFS driver will still be supported.

Co-Authored-By: Erlon Cruz <sombrafam@gmail.com>
DocImpact

Change-Id: I413bcc5b38de5a023bfb23b0659639036ced8d0f
---
 cinder/volume/drivers/hitachi/hnas_iscsi.py            |  6 ++++++
 .../hnas-deprecate-iscsi-driver-cd521b3a2ba948f3.yaml  | 10 ++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 releasenotes/notes/hnas-deprecate-iscsi-driver-cd521b3a2ba948f3.yaml

diff --git a/cinder/volume/drivers/hitachi/hnas_iscsi.py b/cinder/volume/drivers/hitachi/hnas_iscsi.py
index 4dc789b7a62..2dcb5abe3e6 100644
--- a/cinder/volume/drivers/hitachi/hnas_iscsi.py
+++ b/cinder/volume/drivers/hitachi/hnas_iscsi.py
@@ -21,6 +21,7 @@ iSCSI Cinder Volume driver for Hitachi Unified Storage (HUS-HNAS) platform.
 from oslo_concurrency import processutils
 from oslo_config import cfg
 from oslo_log import log as logging
+from oslo_log import versionutils
 import six
 
 from cinder import exception
@@ -100,9 +101,14 @@ class HNASISCSIDriver(driver.ISCSIDriver):
     CI_WIKI_NAME = "Hitachi_HNAS_CI"
     VERSION = HNAS_ISCSI_VERSION
 
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         """Initializes and reads different config parameters."""
         super(HNASISCSIDriver, self).__init__(*args, **kwargs)
+        msg = _("The Hitachi NAS iSCSI  driver is deprecated and will be "
+                "removed in a future release.")
+        versionutils.report_deprecated_feature(LOG, msg)
         self.configuration = kwargs.get('configuration', None)
         self.context = {}
         self.config = {}
diff --git a/releasenotes/notes/hnas-deprecate-iscsi-driver-cd521b3a2ba948f3.yaml b/releasenotes/notes/hnas-deprecate-iscsi-driver-cd521b3a2ba948f3.yaml
new file mode 100644
index 00000000000..7cd9667c362
--- /dev/null
+++ b/releasenotes/notes/hnas-deprecate-iscsi-driver-cd521b3a2ba948f3.yaml
@@ -0,0 +1,10 @@
+---
+upgrade:
+  - The Hitachi NAS iSCSI driver has been marked as unsupported and is
+    now deprecated. enable_unsupported_drivers will need to be set to True
+    in cinder.conf to continue to use it.
+deprecations:
+  - The Hitachi NAS iSCSI driver has been marked as unsupported and is now
+    deprecated. enable_unsupported_drivers will need to be set to True
+    in cinder.conf to continue to use it. The driver will be removed in the
+    next release.