JovianDSS: add multiattach and 16K block support

Added multiattach support for Open-E JovianDSS driver
Added 16K block size support for Open-E JovianDSS driver

Implements: blueprint open-e-joviandss-add-multy-attach-support
Change-Id: I06f2032a5596f2ac4104ec496b4466c695d3fad6

cinder/tests/unit/volume/drivers/open_e/test_iscsi.py

@@ -1282,14 +1282,15 @@ class TestOpenEJovianDSSDriver(test.TestCase):
         location_info = 'JovianISCSIDriver:192.168.0.2:Pool-0'
         correct_out = {
             'vendor_name': 'Open-E',
-            'driver_version': "1.0.1",
+            'driver_version': "1.0.2",
             'storage_protocol': 'iSCSI',
             'total_capacity_gb': 100,
             'free_capacity_gb': 50,
             'reserved_percentage': 10,
             'volume_backend_name': CONFIG_BACKEND_NAME['volume_backend_name'],
             'QoS_support': False,
-            'location_info': location_info
+            'location_info': location_info,
+            'multiattach': True
         }
         jdssd.ra.get_pool_stats.return_value = {
             'size': 100 * o_units.Gi,

cinder/volume/drivers/open_e/iscsi.py

@@ -45,11 +45,13 @@ class JovianISCSIDriver(driver.ISCSIDriver):
         1.0.0 - Open-E JovianDSS driver with basic functionality
         1.0.1 - Added certificate support
                 Added revert to snapshot support
-    """
+        1.0.2 - Added multi-attach support
+                Added 16K block support
+ """
 
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Open-E_JovianDSS_CI"
-    VERSION = "1.0.1"
+    VERSION = "1.0.2"
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -117,7 +119,7 @@ class JovianISCSIDriver(driver.ISCSIDriver):
             msg = (_("Unable to identify pool %s") % self._pool)
             raise exception.VolumeDriverException(msg)
 
-        valid_bsize = ['32K', '64K', '128K', '256K', '512K', '1M']
+        valid_bsize = ['16K', '32K', '64K', '128K', '256K', '512K', '1M']
         if self.block_size not in valid_bsize:
             raise exception.InvalidConfigurationValue(
                 value=self.block_size,
@@ -747,7 +749,8 @@ class JovianISCSIDriver(driver.ISCSIDriver):
             'reserved_percentage': int(reserved_percentage),
             'volume_backend_name': self.backend_name,
             'QoS_support': False,
-            'location_info': location_info
+            'location_info': location_info,
+            'multiattach': True
         }
 
         LOG.debug('Total capacity: %d, '

doc/source/reference/support-matrix.ini

@@ -838,7 +838,7 @@ driver.netapp_solidfire=complete
 driver.nexenta=missing
 driver.nfs=missing
 driver.nimble=complete
-driver.opene_joviandss=missing
+driver.opene_joviandss=complete
 driver.prophetstor=missing
 driver.pure=complete
 driver.qnap=missing

releasenotes/notes/open-e-joviandss-enable-multiattach-b1d38ffcc53bf59c.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Open-E JovianDSS driver: Added multiattach support.
+  - |
+    Open-E JovianDSS driver: Added 16K block size support.