Add quobyte protocol for remotefs connections

Adds the quobyte protocol alongside nfs, glusterfs, etc. .

Closes-Bug: #1520207

Change-Id: Ieaf37640b0f4cc21c22cfd836c87f03e91da1564

os_brick/initiator/connector.py

@@ -74,6 +74,7 @@ HGST = "HGST"
 RBD = "RBD"
 SCALEIO = "SCALEIO"
 SCALITY = "SCALITY"
+QUOBYTE = "QUOBYTE"
 
 
 def _check_multipathd_running(root_helper, enforce_multipath):
@@ -194,7 +195,7 @@ class InitiatorConnector(executor.Executor):
                                 execute=execute,
                                 device_scan_attempts=device_scan_attempts,
                                 *args, **kwargs)
-        elif protocol in (NFS, GLUSTERFS, SCALITY):
+        elif protocol in (NFS, GLUSTERFS, SCALITY, QUOBYTE):
             return RemoteFsConnector(mount_type=protocol.lower(),
                                      root_helper=root_helper,
                                      driver=driver,
@@ -1538,7 +1539,7 @@ class RemoteFsConnector(InitiatorConnector):
         if conn:
             mount_point_base = conn.get('mount_point_base')
             mount_type_lower = mount_type.lower()
-            if mount_type_lower in ('nfs', 'glusterfs', 'scality'):
+            if mount_type_lower in ('nfs', 'glusterfs', 'scality', 'quobyte'):
                 kwargs[mount_type_lower + '_mount_point_base'] = (
                     kwargs.get(mount_type_lower + '_mount_point_base') or
                     mount_point_base)

os_brick/remotefs/remotefs.py

@@ -40,7 +40,8 @@ class RemoteFsClient(object):
             'cifs': 'smbfs',
             'glusterfs': 'glusterfs',
             'vzstorage': 'vzstorage',
-            'scality': 'scality_sofs'
+            'scality': 'scality_sofs',
+            'quobyte': 'quobyte'
         }
 
         if mount_type not in mount_type_to_option_prefix:

os_brick/tests/initiator/test_connector.py

@@ -171,6 +171,10 @@ class ConnectorTestCase(base.TestCase):
         obj = connector.InitiatorConnector.factory("scaleio", None)
         self.assertEqual("ScaleIOConnector", obj.__class__.__name__)
 
+        obj = connector.InitiatorConnector.factory(
+            'quobyte', None, quobyte_mount_point_base='/mnt/test')
+        self.assertEqual(obj.__class__.__name__, "RemoteFsConnector")
+
         self.assertRaises(ValueError,
                           connector.InitiatorConnector.factory,
                           "bogus", None)

os_brick/tests/remotefs/test_remotefs.py

@@ -177,6 +177,9 @@ class RemoteFsClientTestCase(base.TestCase):
     def test_no_mount_point_scality(self):
         self._test_no_mount_point('scality')
 
+    def test_no_mount_point_quobyte(self):
+        self._test_no_mount_point('quobyte')
+
     def test_invalid_fs(self):
         self.assertRaises(exception.ProtocolNotSupported,
                           remotefs.RemoteFsClient,