Mark Veritas Access Driver Unsupported

The Veritas Access Driver 3rd Party CI hasn't
reported in 80 days.  This does not meet the requirements
for Cinder's 3rd Party CI requirements.

As a result the driver is being marked unsupported in the
Train release and should be removed in the 'U' release if
the problems are not resolved.

Change-Id: I3897a7da8d306cca20603f983f845ee89b05f398

cinder/volume/drivers/veritas_access/veritas_iscsi.py

@@ -88,6 +88,9 @@ class ACCESSIscsiDriver(driver.ISCSIDriver):
     DRIVER_VOLUME_TYPE = 'iSCSI'
     LUN_FOUND_INTERVAL = 30  # seconds
 
+    # TODO(jsbryant) Remove driver in the 'U' release if CI is not fixed.
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         # Parent sets db, host, _execute and base config
         super(ACCESSIscsiDriver, self).__init__(*args, **kwargs)

doc/source/reference/support-matrix.ini

@@ -258,7 +258,7 @@ driver.storpool=complete
 driver.synology=complete
 driver.tintri=missing
 driver.vrtshyperscale=complete
-driver.vrtsaccess=complete
+driver.vrtsaccess=missing
 driver.vrtscnfs=complete
 driver.vzstorage=complete
 driver.vmware=complete

releasenotes/notes/unsupport-veritas-access-ecfb4122770d93f9.yaml

@@ -0,0 +1,14 @@
+---
+upgrade:
+  - |
+    The Veritas Access driver has been marked as unsupported and is now
+    deprecated. ``enable_unsupported_driver`` will need to be set
+    to ``True`` in the driver's section in cinder.conf to continue
+    to use it.
+deprecations:
+  - |
+    The Veritas Access driver has been marked as unsupported and is now
+    deprecated. ``enable_unsupported_driver`` will need to be set
+    to ``True`` in the driver's section in cinder.conf to continue
+    to use it. If its support status does not change, it will be
+    removed in the 'U' development cycle.