Mark Nimble Storage Driver supported

Nimble Storage cinder driver had been marked as unsupported due to lack
of external CI running log. CI system is up
and running, updating it to be supported

Change-Id: I9c22c5f224a510e125b1dd82441eb1d63a8728f3
Signed-off-by: Raunak Kumar <rkumar@nimblestorage.com>

cinder/tests/unit/volume/drivers/test_nimble.py

@@ -15,8 +15,8 @@
 
 
 import sys
+from unittest import mock
 
-import mock
 from six.moves import http_client
 
 from cinder import context

cinder/volume/drivers/nimble.py

@@ -138,9 +138,6 @@ class NimbleBaseVolumeDriver(san.SanDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Nimble_Storage_CI"
 
-    # TODO(jsbryant) Remove driver in the 'U' release if CI is not fixed.
-    SUPPORTED = False
-
     def __init__(self, *args, **kwargs):
         super(NimbleBaseVolumeDriver, self).__init__(*args, **kwargs)
         self.APIExecutor = None

doc/source/reference/support-matrix.ini

@@ -233,7 +233,7 @@ driver.netapp_ontap=complete
 driver.netapp_solidfire=complete
 driver.nexenta=complete
 driver.nfs=complete
-driver.nimble=missing
+driver.nimble=complete
 driver.prophetstor=missing
 driver.pure=complete
 driver.qnap=complete

releasenotes/notes/nimble-mark-supported-0c8e5e21c8d1179d.yaml

@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    HPE Nimble Storage drivers had been previously marked unsupported. Testing
+    requirements have been addressed and they are now fully supported again.
+    HPE Nimble Storage drivers allow cinder to manage volumes both in iSCSI and
+    FC environment.