Mark Oracle ZFSSA Drivers Unsupported

I have been contacted by Iain MacDonnell at
Oracle indicating that they are removing support for
their Cinder driver.

As a result I am following our deprecation process and
marking the driver unsupported for the Train release
and it will be removed in the Ussuri release.

Change-Id: Id6181e0632a84d9538a34ac9460c36ba983a3757

cinder/volume/drivers/zfssa/zfssaiscsi.py

@@ -128,6 +128,10 @@ class ZFSSAISCSIDriver(driver.ISCSIDriver):
     VERSION = '1.0.4'
     protocol = 'iSCSI'
 
+    # TODO(jsbryant) Remove driver in the 'U' release as Oracle
+    #                is dropping support.
+    SUPPORTED = False
+
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Oracle_ZFSSA_CI"
 

cinder/volume/drivers/zfssa/zfssanfs.py

@@ -101,6 +101,10 @@ class ZFSSANFSDriver(nfs.NfsDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Oracle_ZFSSA_CI"
 
+    # TODO(jsbryant) Remove driver in the 'U' release as Oracle
+    #                is dropping support.
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(ZFSSANFSDriver, self).__init__(*args, **kwargs)
         self.configuration.append_config_values(ZFSSA_OPTS)

doc/source/reference/support-matrix.ini

@@ -248,7 +248,7 @@ driver.netapp_solidfire=complete
 driver.nexenta=complete
 driver.nfs=complete
 driver.nimble=missing
-driver.oracle_zfssa=complete
+driver.oracle_zfssa=missing
 driver.prophetstor=missing
 driver.pure=complete
 driver.qnap=complete

releasenotes/notes/oracle-zfssa-unsupported-4ce035213fa0e097.yaml

@@ -0,0 +1,15 @@
+---
+upgrade:
+  - |
+    The Oracle ZFSSA drivers have been marked as unsupported
+    and are now deprecated. ``enable_unsupported_driver`` will need
+    to be set to ``True`` in the driver's section in cinder.conf to
+    continue to use them.
+deprecations:
+  - |
+    The Oracle ZFSSA drivers has been marked as unsupported
+    and are now deprecated. ``enable_unsupported_driver`` will need
+    to be set to ``True`` in the driver's section in cinder.conf to
+    continue to use them. Oracle has indicated that they don't plan to
+    continue to support the drivers so they will be removed in
+    the 'U' development cycle.