diff --git a/csi/csi_pb2.py b/csi/csi_pb2.py
index f8d2c11..604035a 100644
--- a/csi/csi_pb2.py
+++ b/csi/csi_pb2.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: csi.proto
-
+"""Generated protocol buffer code."""
 from google.protobuf import descriptor as _descriptor
 from google.protobuf import message as _message
 from google.protobuf import reflection as _reflection
@@ -21,7 +21,8 @@ DESCRIPTOR = _descriptor.FileDescriptor(
   package='csi.v1',
   syntax='proto3',
   serialized_options=b'Z\003csi',
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\x01(\x03\x32\xfa\x01\n\x08Identity\x12N\n\rGetPluginInfo\x12\x1c.csi.v1.GetPluginInfoRequest\x1a\x1d.csi.v1.GetPluginInfoResponse\"\x00\x12\x66\n\x15GetPluginCapabilities\x12$.csi.v1.GetPluginCapabilitiesRequest\x1a%.csi.v1.GetPluginCapabilitiesResponse\"\x00\x12\x36\n\x05Probe\x12\x14.csi.v1.ProbeRequest\x1a\x15.csi.v1.ProbeResponse\"\x00\x32\xcd\t\n\nController\x12K\n\x0c\x43reateVolume\x12\x1b.csi.v1.CreateVolumeRequest\x1a\x1c.csi.v1.CreateVolumeResponse\"\x00\x12K\n\x0c\x44\x65leteVolume\x12\x1b.csi.v1.DeleteVolumeRequest\x1a\x1c.csi.v1.DeleteVolumeResponse\"\x00\x12l\n\x17\x43ontrollerPublishVolume\x12&.csi.v1.ControllerPublishVolumeRequest\x1a\'.csi.v1.ControllerPublishVolumeResponse\"\x00\x12r\n\x19\x43ontrollerUnpublishVolume\x12(.csi.v1.ControllerUnpublishVolumeRequest\x1a).csi.v1.ControllerUnpublishVolumeResponse\"\x00\x12u\n\x1aValidateVolumeCapabilities\x12).csi.v1.ValidateVolumeCapabilitiesRequest\x1a*.csi.v1.ValidateVolumeCapabilitiesResponse\"\x00\x12H\n\x0bListVolumes\x12\x1a.csi.v1.ListVolumesRequest\x1a\x1b.csi.v1.ListVolumesResponse\"\x00\x12H\n\x0bGetCapacity\x12\x1a.csi.v1.GetCapacityRequest\x1a\x1b.csi.v1.GetCapacityResponse\"\x00\x12r\n\x19\x43ontrollerGetCapabilities\x12(.csi.v1.ControllerGetCapabilitiesRequest\x1a).csi.v1.ControllerGetCapabilitiesResponse\"\x00\x12Q\n\x0e\x43reateSnapshot\x12\x1d.csi.v1.CreateSnapshotRequest\x1a\x1e.csi.v1.CreateSnapshotResponse\"\x00\x12Q\n\x0e\x44\x65leteSnapshot\x12\x1d.csi.v1.DeleteSnapshotRequest\x1a\x1e.csi.v1.DeleteSnapshotResponse\"\x00\x12N\n\rListSnapshots\x12\x1c.csi.v1.ListSnapshotsRequest\x1a\x1d.csi.v1.ListSnapshotsResponse\"\x00\x12i\n\x16\x43ontrollerExpandVolume\x12%.csi.v1.ControllerExpandVolumeRequest\x1a&.csi.v1.ControllerExpandVolumeResponse\"\x00\x12\x63\n\x13\x43ontrollerGetVolume\x12\".csi.v1.ControllerGetVolumeRequest\x1a#.csi.v1.ControllerGetVolumeResponse\"\x03\xa0\x42\x01\x32\xda\x05\n\x04Node\x12T\n\x0fNodeStageVolume\x12\x1e.csi.v1.NodeStageVolumeRequest\x1a\x1f.csi.v1.NodeStageVolumeResponse\"\x00\x12Z\n\x11NodeUnstageVolume\x12 .csi.v1.NodeUnstageVolumeRequest\x1a!.csi.v1.NodeUnstageVolumeResponse\"\x00\x12Z\n\x11NodePublishVolume\x12 .csi.v1.NodePublishVolumeRequest\x1a!.csi.v1.NodePublishVolumeResponse\"\x00\x12`\n\x13NodeUnpublishVolume\x12\".csi.v1.NodeUnpublishVolumeRequest\x1a#.csi.v1.NodeUnpublishVolumeResponse\"\x00\x12]\n\x12NodeGetVolumeStats\x12!.csi.v1.NodeGetVolumeStatsRequest\x1a\".csi.v1.NodeGetVolumeStatsResponse\"\x00\x12W\n\x10NodeExpandVolume\x12\x1f.csi.v1.NodeExpandVolumeRequest\x1a .csi.v1.NodeExpandVolumeResponse\"\x00\x12`\n\x13NodeGetCapabilities\x12\".csi.v1.NodeGetCapabilitiesRequest\x1a#.csi.v1.NodeGetCapabilitiesResponse\"\x00\x12H\n\x0bNodeGetInfo\x12\x1a.csi.v1.NodeGetInfoRequest\x1a\x1b.csi.v1.NodeGetInfoResponse\"\x00:1\n\nalpha_enum\x12\x1c.google.protobuf.EnumOptions\x18\xa4\x08 \x01(\x08:<\n\x10\x61lpha_enum_value\x12!.google.protobuf.EnumValueOptions\x18\xa4\x08 \x01(\x08:2\n\ncsi_secret\x12\x1d.google.protobuf.FieldOptions\x18\xa3\x08 \x01(\x08:3\n\x0b\x61lpha_field\x12\x1d.google.protobuf.FieldOptions\x18\xa4\x08 \x01(\x08:7\n\ralpha_message\x12\x1f.google.protobuf.MessageOptions\x18\xa4\x08 \x01(\x08:5\n\x0c\x61lpha_method\x12\x1e.google.protobuf.MethodOptions\x18\xa4\x08 \x01(\x08:7\n\ralpha_service\x12\x1f.google.protobuf.ServiceOptions\x18\xa4\x08 \x01(\x08\x42\x05Z\x03\x63sib\x06proto3'
   ,
   dependencies=[google_dot_protobuf_dot_descriptor__pb2.DESCRIPTOR,google_dot_protobuf_dot_timestamp__pb2.DESCRIPTOR,google_dot_protobuf_dot_wrappers__pb2.DESCRIPTOR,])
 
@@ -33,7 +34,7 @@ alpha_enum = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 ALPHA_ENUM_VALUE_FIELD_NUMBER = 1060
 alpha_enum_value = _descriptor.FieldDescriptor(
   name='alpha_enum_value', full_name='csi.v1.alpha_enum_value', index=1,
@@ -41,7 +42,7 @@ alpha_enum_value = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 CSI_SECRET_FIELD_NUMBER = 1059
 csi_secret = _descriptor.FieldDescriptor(
   name='csi_secret', full_name='csi.v1.csi_secret', index=2,
@@ -49,7 +50,7 @@ csi_secret = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 ALPHA_FIELD_FIELD_NUMBER = 1060
 alpha_field = _descriptor.FieldDescriptor(
   name='alpha_field', full_name='csi.v1.alpha_field', index=3,
@@ -57,7 +58,7 @@ alpha_field = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 ALPHA_MESSAGE_FIELD_NUMBER = 1060
 alpha_message = _descriptor.FieldDescriptor(
   name='alpha_message', full_name='csi.v1.alpha_message', index=4,
@@ -65,7 +66,7 @@ alpha_message = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 ALPHA_METHOD_FIELD_NUMBER = 1060
 alpha_method = _descriptor.FieldDescriptor(
   name='alpha_method', full_name='csi.v1.alpha_method', index=5,
@@ -73,7 +74,7 @@ alpha_method = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 ALPHA_SERVICE_FIELD_NUMBER = 1060
 alpha_service = _descriptor.FieldDescriptor(
   name='alpha_service', full_name='csi.v1.alpha_service', index=6,
@@ -81,26 +82,30 @@ alpha_service = _descriptor.FieldDescriptor(
   has_default_value=False, default_value=False,
   message_type=None, enum_type=None, containing_type=None,
   is_extension=True, extension_scope=None,
-  serialized_options=None, file=DESCRIPTOR)
+  serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key)
 
 _PLUGINCAPABILITY_SERVICE_TYPE = _descriptor.EnumDescriptor(
   name='Type',
   full_name='csi.v1.PluginCapability.Service.Type',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='CONTROLLER_SERVICE', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='VOLUME_ACCESSIBILITY_CONSTRAINTS', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
@@ -114,19 +119,23 @@ _PLUGINCAPABILITY_VOLUMEEXPANSION_TYPE = _descriptor.EnumDescriptor(
   full_name='csi.v1.PluginCapability.VolumeExpansion.Type',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='ONLINE', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='OFFLINE', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
@@ -140,36 +149,53 @@ _VOLUMECAPABILITY_ACCESSMODE_MODE = _descriptor.EnumDescriptor(
   full_name='csi.v1.VolumeCapability.AccessMode.Mode',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='SINGLE_NODE_WRITER', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='SINGLE_NODE_READER_ONLY', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='MULTI_NODE_READER_ONLY', index=3, number=3,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='MULTI_NODE_SINGLE_WRITER', index=4, number=4,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='MULTI_NODE_MULTI_WRITER', index=5, number=5,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SINGLE_NODE_SINGLE_WRITER', index=6, number=6,
+      serialized_options=b'\240B\001',
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SINGLE_NODE_MULTI_WRITER', index=7, number=7,
+      serialized_options=b'\240B\001',
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=2043,
-  serialized_end=2202,
+  serialized_start=2076,
+  serialized_end=2306,
 )
 _sym_db.RegisterEnumDescriptor(_VOLUMECAPABILITY_ACCESSMODE_MODE)
 
@@ -178,64 +204,83 @@ _CONTROLLERSERVICECAPABILITY_RPC_TYPE = _descriptor.EnumDescriptor(
   full_name='csi.v1.ControllerServiceCapability.RPC.Type',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='CREATE_DELETE_VOLUME', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='PUBLISH_UNPUBLISH_VOLUME', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='LIST_VOLUMES', index=3, number=3,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='GET_CAPACITY', index=4, number=4,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='CREATE_DELETE_SNAPSHOT', index=5, number=5,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='LIST_SNAPSHOTS', index=6, number=6,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='CLONE_VOLUME', index=7, number=7,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='PUBLISH_READONLY', index=8, number=8,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='EXPAND_VOLUME', index=9, number=9,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='LIST_VOLUMES_PUBLISHED_NODES', index=10, number=10,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='VOLUME_CONDITION', index=11, number=11,
       serialized_options=b'\240B\001',
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='GET_VOLUME', index=12, number=12,
       serialized_options=b'\240B\001',
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SINGLE_NODE_MULTI_WRITER', index=13, number=13,
+      serialized_options=b'\240B\001',
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=5973,
-  serialized_end=6273,
+  serialized_start=6204,
+  serialized_end=6539,
 )
 _sym_db.RegisterEnumDescriptor(_CONTROLLERSERVICECAPABILITY_RPC_TYPE)
 
@@ -244,24 +289,28 @@ _VOLUMEUSAGE_UNIT = _descriptor.EnumDescriptor(
   full_name='csi.v1.VolumeUsage.Unit',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='BYTES', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='INODES', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=9365,
-  serialized_end=9407,
+  serialized_start=9631,
+  serialized_end=9673,
 )
 _sym_db.RegisterEnumDescriptor(_VOLUMEUSAGE_UNIT)
 
@@ -270,32 +319,48 @@ _NODESERVICECAPABILITY_RPC_TYPE = _descriptor.EnumDescriptor(
   full_name='csi.v1.NodeServiceCapability.RPC.Type',
   filename=None,
   file=DESCRIPTOR,
+  create_key=_descriptor._internal_create_key,
   values=[
     _descriptor.EnumValueDescriptor(
       name='UNKNOWN', index=0, number=0,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='STAGE_UNSTAGE_VOLUME', index=1, number=1,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='GET_VOLUME_STATS', index=2, number=2,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='EXPAND_VOLUME', index=3, number=3,
       serialized_options=None,
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
     _descriptor.EnumValueDescriptor(
       name='VOLUME_CONDITION', index=4, number=4,
       serialized_options=b'\240B\001',
-      type=None),
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='SINGLE_NODE_MULTI_WRITER', index=5, number=5,
+      serialized_options=b'\240B\001',
+      type=None,
+      create_key=_descriptor._internal_create_key),
+    _descriptor.EnumValueDescriptor(
+      name='VOLUME_MOUNT_GROUP', index=6, number=6,
+      serialized_options=b'\240B\001',
+      type=None,
+      create_key=_descriptor._internal_create_key),
   ],
   containing_type=None,
   serialized_options=None,
-  serialized_start=9720,
-  serialized_end=9833,
+  serialized_start=9987,
+  serialized_end=10164,
 )
 _sym_db.RegisterEnumDescriptor(_NODESERVICECAPABILITY_RPC_TYPE)
 
@@ -306,6 +371,7 @@ _GETPLUGININFOREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -330,6 +396,7 @@ _GETPLUGININFORESPONSE_MANIFESTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.GetPluginInfoResponse.ManifestEntry.key', index=0,
@@ -337,14 +404,14 @@ _GETPLUGININFORESPONSE_MANIFESTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.GetPluginInfoResponse.ManifestEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -367,6 +434,7 @@ _GETPLUGININFORESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='name', full_name='csi.v1.GetPluginInfoResponse.name', index=0,
@@ -374,21 +442,21 @@ _GETPLUGININFORESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='vendor_version', full_name='csi.v1.GetPluginInfoResponse.vendor_version', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='manifest', full_name='csi.v1.GetPluginInfoResponse.manifest', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -412,6 +480,7 @@ _GETPLUGINCAPABILITIESREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -436,6 +505,7 @@ _GETPLUGINCAPABILITIESRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capabilities', full_name='csi.v1.GetPluginCapabilitiesResponse.capabilities', index=0,
@@ -443,7 +513,7 @@ _GETPLUGINCAPABILITIESRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -467,6 +537,7 @@ _PLUGINCAPABILITY_SERVICE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='type', full_name='csi.v1.PluginCapability.Service.type', index=0,
@@ -474,7 +545,7 @@ _PLUGINCAPABILITY_SERVICE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -498,6 +569,7 @@ _PLUGINCAPABILITY_VOLUMEEXPANSION = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='type', full_name='csi.v1.PluginCapability.VolumeExpansion.type', index=0,
@@ -505,7 +577,7 @@ _PLUGINCAPABILITY_VOLUMEEXPANSION = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -529,6 +601,7 @@ _PLUGINCAPABILITY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='service', full_name='csi.v1.PluginCapability.service', index=0,
@@ -536,14 +609,14 @@ _PLUGINCAPABILITY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_expansion', full_name='csi.v1.PluginCapability.volume_expansion', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -557,7 +630,9 @@ _PLUGINCAPABILITY = _descriptor.Descriptor(
   oneofs=[
     _descriptor.OneofDescriptor(
       name='type', full_name='csi.v1.PluginCapability.type',
-      index=0, containing_type=None, fields=[]),
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
   ],
   serialized_start=434,
   serialized_end=857,
@@ -570,6 +645,7 @@ _PROBEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -594,6 +670,7 @@ _PROBERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='ready', full_name='csi.v1.ProbeResponse.ready', index=0,
@@ -601,7 +678,7 @@ _PROBERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -625,6 +702,7 @@ _CREATEVOLUMEREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.CreateVolumeRequest.ParametersEntry.key', index=0,
@@ -632,14 +710,14 @@ _CREATEVOLUMEREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.CreateVolumeRequest.ParametersEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -662,6 +740,7 @@ _CREATEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.CreateVolumeRequest.SecretsEntry.key', index=0,
@@ -669,14 +748,14 @@ _CREATEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.CreateVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -699,6 +778,7 @@ _CREATEVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='name', full_name='csi.v1.CreateVolumeRequest.name', index=0,
@@ -706,49 +786,49 @@ _CREATEVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='capacity_range', full_name='csi.v1.CreateVolumeRequest.capacity_range', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capabilities', full_name='csi.v1.CreateVolumeRequest.volume_capabilities', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='parameters', full_name='csi.v1.CreateVolumeRequest.parameters', index=3,
       number=4, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.CreateVolumeRequest.secrets', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_content_source', full_name='csi.v1.CreateVolumeRequest.volume_content_source', index=5,
       number=6, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='accessibility_requirements', full_name='csi.v1.CreateVolumeRequest.accessibility_requirements', index=6,
       number=7, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -772,6 +852,7 @@ _VOLUMECONTENTSOURCE_SNAPSHOTSOURCE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='snapshot_id', full_name='csi.v1.VolumeContentSource.SnapshotSource.snapshot_id', index=0,
@@ -779,7 +860,7 @@ _VOLUMECONTENTSOURCE_SNAPSHOTSOURCE = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -802,6 +883,7 @@ _VOLUMECONTENTSOURCE_VOLUMESOURCE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.VolumeContentSource.VolumeSource.volume_id', index=0,
@@ -809,7 +891,7 @@ _VOLUMECONTENTSOURCE_VOLUMESOURCE = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -832,6 +914,7 @@ _VOLUMECONTENTSOURCE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='snapshot', full_name='csi.v1.VolumeContentSource.snapshot', index=0,
@@ -839,14 +922,14 @@ _VOLUMECONTENTSOURCE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume', full_name='csi.v1.VolumeContentSource.volume', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -860,7 +943,9 @@ _VOLUMECONTENTSOURCE = _descriptor.Descriptor(
   oneofs=[
     _descriptor.OneofDescriptor(
       name='type', full_name='csi.v1.VolumeContentSource.type',
-      index=0, containing_type=None, fields=[]),
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
   ],
   serialized_start=1429,
   serialized_end=1656,
@@ -873,6 +958,7 @@ _CREATEVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume', full_name='csi.v1.CreateVolumeResponse.volume', index=0,
@@ -880,7 +966,7 @@ _CREATEVOLUMERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -904,6 +990,7 @@ _VOLUMECAPABILITY_BLOCKVOLUME = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -927,6 +1014,7 @@ _VOLUMECAPABILITY_MOUNTVOLUME = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='fs_type', full_name='csi.v1.VolumeCapability.MountVolume.fs_type', index=0,
@@ -934,14 +1022,21 @@ _VOLUMECAPABILITY_MOUNTVOLUME = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='mount_flags', full_name='csi.v1.VolumeCapability.MountVolume.mount_flags', index=1,
       number=2, type=9, cpp_type=9, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='volume_mount_group', full_name='csi.v1.VolumeCapability.MountVolume.volume_mount_group', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=b'\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -955,7 +1050,7 @@ _VOLUMECAPABILITY_MOUNTVOLUME = _descriptor.Descriptor(
   oneofs=[
   ],
   serialized_start=1918,
-  serialized_end=1969,
+  serialized_end=2002,
 )
 
 _VOLUMECAPABILITY_ACCESSMODE = _descriptor.Descriptor(
@@ -964,6 +1059,7 @@ _VOLUMECAPABILITY_ACCESSMODE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='mode', full_name='csi.v1.VolumeCapability.AccessMode.mode', index=0,
@@ -971,7 +1067,7 @@ _VOLUMECAPABILITY_ACCESSMODE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -985,8 +1081,8 @@ _VOLUMECAPABILITY_ACCESSMODE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1972,
-  serialized_end=2202,
+  serialized_start=2005,
+  serialized_end=2306,
 )
 
 _VOLUMECAPABILITY = _descriptor.Descriptor(
@@ -995,6 +1091,7 @@ _VOLUMECAPABILITY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='block', full_name='csi.v1.VolumeCapability.block', index=0,
@@ -1002,21 +1099,21 @@ _VOLUMECAPABILITY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='mount', full_name='csi.v1.VolumeCapability.mount', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='access_mode', full_name='csi.v1.VolumeCapability.access_mode', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1030,10 +1127,12 @@ _VOLUMECAPABILITY = _descriptor.Descriptor(
   oneofs=[
     _descriptor.OneofDescriptor(
       name='access_type', full_name='csi.v1.VolumeCapability.access_type',
-      index=0, containing_type=None, fields=[]),
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
   ],
   serialized_start=1715,
-  serialized_end=2217,
+  serialized_end=2321,
 )
 
 
@@ -1043,6 +1142,7 @@ _CAPACITYRANGE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='required_bytes', full_name='csi.v1.CapacityRange.required_bytes', index=0,
@@ -1050,14 +1150,14 @@ _CAPACITYRANGE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='limit_bytes', full_name='csi.v1.CapacityRange.limit_bytes', index=1,
       number=2, type=3, cpp_type=2, label=1,
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1070,8 +1170,8 @@ _CAPACITYRANGE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2219,
-  serialized_end=2279,
+  serialized_start=2323,
+  serialized_end=2383,
 )
 
 
@@ -1081,6 +1181,7 @@ _VOLUME_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.Volume.VolumeContextEntry.key', index=0,
@@ -1088,14 +1189,14 @@ _VOLUME_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.Volume.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1108,8 +1209,8 @@ _VOLUME_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _VOLUME = _descriptor.Descriptor(
@@ -1118,6 +1219,7 @@ _VOLUME = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capacity_bytes', full_name='csi.v1.Volume.capacity_bytes', index=0,
@@ -1125,35 +1227,35 @@ _VOLUME = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.Volume.volume_id', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.Volume.volume_context', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='content_source', full_name='csi.v1.Volume.content_source', index=3,
       number=4, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='accessible_topology', full_name='csi.v1.Volume.accessible_topology', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1166,8 +1268,8 @@ _VOLUME = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2282,
-  serialized_end=2546,
+  serialized_start=2386,
+  serialized_end=2650,
 )
 
 
@@ -1177,6 +1279,7 @@ _TOPOLOGYREQUIREMENT = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='requisite', full_name='csi.v1.TopologyRequirement.requisite', index=0,
@@ -1184,14 +1287,14 @@ _TOPOLOGYREQUIREMENT = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='preferred', full_name='csi.v1.TopologyRequirement.preferred', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1204,8 +1307,8 @@ _TOPOLOGYREQUIREMENT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2548,
-  serialized_end=2643,
+  serialized_start=2652,
+  serialized_end=2747,
 )
 
 
@@ -1215,6 +1318,7 @@ _TOPOLOGY_SEGMENTSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.Topology.SegmentsEntry.key', index=0,
@@ -1222,14 +1326,14 @@ _TOPOLOGY_SEGMENTSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.Topology.SegmentsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1242,8 +1346,8 @@ _TOPOLOGY_SEGMENTSENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2707,
-  serialized_end=2754,
+  serialized_start=2811,
+  serialized_end=2858,
 )
 
 _TOPOLOGY = _descriptor.Descriptor(
@@ -1252,6 +1356,7 @@ _TOPOLOGY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='segments', full_name='csi.v1.Topology.segments', index=0,
@@ -1259,7 +1364,7 @@ _TOPOLOGY = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1272,8 +1377,8 @@ _TOPOLOGY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2645,
-  serialized_end=2754,
+  serialized_start=2749,
+  serialized_end=2858,
 )
 
 
@@ -1283,6 +1388,7 @@ _DELETEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.DeleteVolumeRequest.SecretsEntry.key', index=0,
@@ -1290,14 +1396,14 @@ _DELETEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.DeleteVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1320,6 +1426,7 @@ _DELETEVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.DeleteVolumeRequest.volume_id', index=0,
@@ -1327,14 +1434,14 @@ _DELETEVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.DeleteVolumeRequest.secrets', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1347,8 +1454,8 @@ _DELETEVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2757,
-  serialized_end=2909,
+  serialized_start=2861,
+  serialized_end=3013,
 )
 
 
@@ -1358,6 +1465,7 @@ _DELETEVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -1371,8 +1479,8 @@ _DELETEVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2911,
-  serialized_end=2933,
+  serialized_start=3015,
+  serialized_end=3037,
 )
 
 
@@ -1382,6 +1490,7 @@ _CONTROLLERPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ControllerPublishVolumeRequest.SecretsEntry.key', index=0,
@@ -1389,14 +1498,14 @@ _CONTROLLERPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ControllerPublishVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1419,6 +1528,7 @@ _CONTROLLERPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ControllerPublishVolumeRequest.VolumeContextEntry.key', index=0,
@@ -1426,14 +1536,14 @@ _CONTROLLERPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ControllerPublishVolumeRequest.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1446,8 +1556,8 @@ _CONTROLLERPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _CONTROLLERPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
@@ -1456,6 +1566,7 @@ _CONTROLLERPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.ControllerPublishVolumeRequest.volume_id', index=0,
@@ -1463,42 +1574,42 @@ _CONTROLLERPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='node_id', full_name='csi.v1.ControllerPublishVolumeRequest.node_id', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capability', full_name='csi.v1.ControllerPublishVolumeRequest.volume_capability', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='readonly', full_name='csi.v1.ControllerPublishVolumeRequest.readonly', index=3,
       number=4, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.ControllerPublishVolumeRequest.secrets', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.ControllerPublishVolumeRequest.volume_context', index=5,
       number=6, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1511,8 +1622,8 @@ _CONTROLLERPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2936,
-  serialized_end=3335,
+  serialized_start=3040,
+  serialized_end=3439,
 )
 
 
@@ -1522,6 +1633,7 @@ _CONTROLLERPUBLISHVOLUMERESPONSE_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ControllerPublishVolumeResponse.PublishContextEntry.key', index=0,
@@ -1529,14 +1641,14 @@ _CONTROLLERPUBLISHVOLUMERESPONSE_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ControllerPublishVolumeResponse.PublishContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1549,8 +1661,8 @@ _CONTROLLERPUBLISHVOLUMERESPONSE_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3459,
-  serialized_end=3512,
+  serialized_start=3563,
+  serialized_end=3616,
 )
 
 _CONTROLLERPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
@@ -1559,6 +1671,7 @@ _CONTROLLERPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='publish_context', full_name='csi.v1.ControllerPublishVolumeResponse.publish_context', index=0,
@@ -1566,7 +1679,7 @@ _CONTROLLERPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1579,8 +1692,8 @@ _CONTROLLERPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3338,
-  serialized_end=3512,
+  serialized_start=3442,
+  serialized_end=3616,
 )
 
 
@@ -1590,6 +1703,7 @@ _CONTROLLERUNPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ControllerUnpublishVolumeRequest.SecretsEntry.key', index=0,
@@ -1597,14 +1711,14 @@ _CONTROLLERUNPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ControllerUnpublishVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1627,6 +1741,7 @@ _CONTROLLERUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.ControllerUnpublishVolumeRequest.volume_id', index=0,
@@ -1634,21 +1749,21 @@ _CONTROLLERUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='node_id', full_name='csi.v1.ControllerUnpublishVolumeRequest.node_id', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.ControllerUnpublishVolumeRequest.secrets', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1661,8 +1776,8 @@ _CONTROLLERUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3515,
-  serialized_end=3710,
+  serialized_start=3619,
+  serialized_end=3814,
 )
 
 
@@ -1672,6 +1787,7 @@ _CONTROLLERUNPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -1685,8 +1801,8 @@ _CONTROLLERUNPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3712,
-  serialized_end=3747,
+  serialized_start=3816,
+  serialized_end=3851,
 )
 
 
@@ -1696,6 +1812,7 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.VolumeContextEntry.key', index=0,
@@ -1703,14 +1820,14 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1723,8 +1840,8 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _VALIDATEVOLUMECAPABILITIESREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
@@ -1733,6 +1850,7 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.ParametersEntry.key', index=0,
@@ -1740,14 +1858,14 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.ParametersEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1770,6 +1888,7 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.SecretsEntry.key', index=0,
@@ -1777,14 +1896,14 @@ _VALIDATEVOLUMECAPABILITIESREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1807,6 +1926,7 @@ _VALIDATEVOLUMECAPABILITIESREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.volume_id', index=0,
@@ -1814,35 +1934,35 @@ _VALIDATEVOLUMECAPABILITIESREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.volume_context', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capabilities', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.volume_capabilities', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='parameters', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.parameters', index=3,
       number=4, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.ValidateVolumeCapabilitiesRequest.secrets', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1855,8 +1975,8 @@ _VALIDATEVOLUMECAPABILITIESREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3750,
-  serialized_end=4255,
+  serialized_start=3854,
+  serialized_end=4359,
 )
 
 
@@ -1866,6 +1986,7 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_VOLUMECONTEXTENTRY = _descriptor.D
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.VolumeContextEntry.key', index=0,
@@ -1873,14 +1994,14 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_VOLUMECONTEXTENTRY = _descriptor.D
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1893,8 +2014,8 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_VOLUMECONTEXTENTRY = _descriptor.D
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_PARAMETERSENTRY = _descriptor.Descriptor(
@@ -1903,6 +2024,7 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_PARAMETERSENTRY = _descriptor.Desc
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.ParametersEntry.key', index=0,
@@ -1910,14 +2032,14 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED_PARAMETERSENTRY = _descriptor.Desc
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.ParametersEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1940,6 +2062,7 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.volume_context', index=0,
@@ -1947,21 +2070,21 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capabilities', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.volume_capabilities', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='parameters', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.Confirmed.parameters', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -1974,8 +2097,8 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE_CONFIRMED = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4387,
-  serialized_end=4745,
+  serialized_start=4491,
+  serialized_end=4849,
 )
 
 _VALIDATEVOLUMECAPABILITIESRESPONSE = _descriptor.Descriptor(
@@ -1984,6 +2107,7 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='confirmed', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.confirmed', index=0,
@@ -1991,14 +2115,14 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='message', full_name='csi.v1.ValidateVolumeCapabilitiesResponse.message', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2011,8 +2135,8 @@ _VALIDATEVOLUMECAPABILITIESRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4258,
-  serialized_end=4745,
+  serialized_start=4362,
+  serialized_end=4849,
 )
 
 
@@ -2022,6 +2146,7 @@ _LISTVOLUMESREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='max_entries', full_name='csi.v1.ListVolumesRequest.max_entries', index=0,
@@ -2029,14 +2154,14 @@ _LISTVOLUMESREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='starting_token', full_name='csi.v1.ListVolumesRequest.starting_token', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2049,8 +2174,8 @@ _LISTVOLUMESREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4747,
-  serialized_end=4812,
+  serialized_start=4851,
+  serialized_end=4916,
 )
 
 
@@ -2060,6 +2185,7 @@ _LISTVOLUMESRESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='published_node_ids', full_name='csi.v1.ListVolumesResponse.VolumeStatus.published_node_ids', index=0,
@@ -2067,14 +2193,14 @@ _LISTVOLUMESRESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_condition', full_name='csi.v1.ListVolumesResponse.VolumeStatus.volume_condition', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\240B\001', file=DESCRIPTOR),
+      serialized_options=b'\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2087,8 +2213,8 @@ _LISTVOLUMESRESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4910,
-  serialized_end=5008,
+  serialized_start=5014,
+  serialized_end=5112,
 )
 
 _LISTVOLUMESRESPONSE_ENTRY = _descriptor.Descriptor(
@@ -2097,6 +2223,7 @@ _LISTVOLUMESRESPONSE_ENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume', full_name='csi.v1.ListVolumesResponse.Entry.volume', index=0,
@@ -2104,14 +2231,14 @@ _LISTVOLUMESRESPONSE_ENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='status', full_name='csi.v1.ListVolumesResponse.Entry.status', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2124,8 +2251,8 @@ _LISTVOLUMESRESPONSE_ENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5010,
-  serialized_end=5107,
+  serialized_start=5114,
+  serialized_end=5211,
 )
 
 _LISTVOLUMESRESPONSE = _descriptor.Descriptor(
@@ -2134,6 +2261,7 @@ _LISTVOLUMESRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='entries', full_name='csi.v1.ListVolumesResponse.entries', index=0,
@@ -2141,14 +2269,14 @@ _LISTVOLUMESRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='next_token', full_name='csi.v1.ListVolumesResponse.next_token', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2161,8 +2289,8 @@ _LISTVOLUMESRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=4815,
-  serialized_end=5107,
+  serialized_start=4919,
+  serialized_end=5211,
 )
 
 
@@ -2172,6 +2300,7 @@ _CONTROLLERGETVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.ControllerGetVolumeRequest.volume_id', index=0,
@@ -2179,7 +2308,7 @@ _CONTROLLERGETVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2192,8 +2321,8 @@ _CONTROLLERGETVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5109,
-  serialized_end=5161,
+  serialized_start=5213,
+  serialized_end=5265,
 )
 
 
@@ -2203,6 +2332,7 @@ _CONTROLLERGETVOLUMERESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='published_node_ids', full_name='csi.v1.ControllerGetVolumeResponse.VolumeStatus.published_node_ids', index=0,
@@ -2210,14 +2340,14 @@ _CONTROLLERGETVOLUMERESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_condition', full_name='csi.v1.ControllerGetVolumeResponse.VolumeStatus.volume_condition', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2230,8 +2360,8 @@ _CONTROLLERGETVOLUMERESPONSE_VOLUMESTATUS = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5293,
-  serialized_end=5386,
+  serialized_start=5397,
+  serialized_end=5490,
 )
 
 _CONTROLLERGETVOLUMERESPONSE = _descriptor.Descriptor(
@@ -2240,6 +2370,7 @@ _CONTROLLERGETVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume', full_name='csi.v1.ControllerGetVolumeResponse.volume', index=0,
@@ -2247,14 +2378,14 @@ _CONTROLLERGETVOLUMERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='status', full_name='csi.v1.ControllerGetVolumeResponse.status', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2267,8 +2398,8 @@ _CONTROLLERGETVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5164,
-  serialized_end=5391,
+  serialized_start=5268,
+  serialized_end=5495,
 )
 
 
@@ -2278,6 +2409,7 @@ _GETCAPACITYREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.GetCapacityRequest.ParametersEntry.key', index=0,
@@ -2285,14 +2417,14 @@ _GETCAPACITYREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.GetCapacityRequest.ParametersEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2315,6 +2447,7 @@ _GETCAPACITYREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_capabilities', full_name='csi.v1.GetCapacityRequest.volume_capabilities', index=0,
@@ -2322,21 +2455,21 @@ _GETCAPACITYREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='parameters', full_name='csi.v1.GetCapacityRequest.parameters', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='accessible_topology', full_name='csi.v1.GetCapacityRequest.accessible_topology', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2349,8 +2482,8 @@ _GETCAPACITYREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5394,
-  serialized_end=5631,
+  serialized_start=5498,
+  serialized_end=5735,
 )
 
 
@@ -2360,6 +2493,7 @@ _GETCAPACITYRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='available_capacity', full_name='csi.v1.GetCapacityResponse.available_capacity', index=0,
@@ -2367,7 +2501,21 @@ _GETCAPACITYRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='maximum_volume_size', full_name='csi.v1.GetCapacityResponse.maximum_volume_size', index=1,
+      number=2, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=b'\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='minimum_volume_size', full_name='csi.v1.GetCapacityResponse.minimum_volume_size', index=2,
+      number=3, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=b'\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2380,8 +2528,8 @@ _GETCAPACITYRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5633,
-  serialized_end=5682,
+  serialized_start=5738,
+  serialized_end=5913,
 )
 
 
@@ -2391,6 +2539,7 @@ _CONTROLLERGETCAPABILITIESREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -2404,8 +2553,8 @@ _CONTROLLERGETCAPABILITIESREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5684,
-  serialized_end=5718,
+  serialized_start=5915,
+  serialized_end=5949,
 )
 
 
@@ -2415,6 +2564,7 @@ _CONTROLLERGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capabilities', full_name='csi.v1.ControllerGetCapabilitiesResponse.capabilities', index=0,
@@ -2422,7 +2572,7 @@ _CONTROLLERGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2435,8 +2585,8 @@ _CONTROLLERGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5720,
-  serialized_end=5814,
+  serialized_start=5951,
+  serialized_end=6045,
 )
 
 
@@ -2446,6 +2596,7 @@ _CONTROLLERSERVICECAPABILITY_RPC = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='type', full_name='csi.v1.ControllerServiceCapability.RPC.type', index=0,
@@ -2453,7 +2604,7 @@ _CONTROLLERSERVICECAPABILITY_RPC = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2467,8 +2618,8 @@ _CONTROLLERSERVICECAPABILITY_RPC = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=5905,
-  serialized_end=6273,
+  serialized_start=6136,
+  serialized_end=6539,
 )
 
 _CONTROLLERSERVICECAPABILITY = _descriptor.Descriptor(
@@ -2477,6 +2628,7 @@ _CONTROLLERSERVICECAPABILITY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='rpc', full_name='csi.v1.ControllerServiceCapability.rpc', index=0,
@@ -2484,7 +2636,7 @@ _CONTROLLERSERVICECAPABILITY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2498,10 +2650,12 @@ _CONTROLLERSERVICECAPABILITY = _descriptor.Descriptor(
   oneofs=[
     _descriptor.OneofDescriptor(
       name='type', full_name='csi.v1.ControllerServiceCapability.type',
-      index=0, containing_type=None, fields=[]),
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
   ],
-  serialized_start=5817,
-  serialized_end=6281,
+  serialized_start=6048,
+  serialized_end=6547,
 )
 
 
@@ -2511,6 +2665,7 @@ _CREATESNAPSHOTREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.CreateSnapshotRequest.SecretsEntry.key', index=0,
@@ -2518,14 +2673,14 @@ _CREATESNAPSHOTREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.CreateSnapshotRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2548,6 +2703,7 @@ _CREATESNAPSHOTREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.CreateSnapshotRequest.ParametersEntry.key', index=0,
@@ -2555,14 +2711,14 @@ _CREATESNAPSHOTREQUEST_PARAMETERSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.CreateSnapshotRequest.ParametersEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2585,6 +2741,7 @@ _CREATESNAPSHOTREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='source_volume_id', full_name='csi.v1.CreateSnapshotRequest.source_volume_id', index=0,
@@ -2592,28 +2749,28 @@ _CREATESNAPSHOTREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='name', full_name='csi.v1.CreateSnapshotRequest.name', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.CreateSnapshotRequest.secrets', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='parameters', full_name='csi.v1.CreateSnapshotRequest.parameters', index=3,
       number=4, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2626,8 +2783,8 @@ _CREATESNAPSHOTREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6284,
-  serialized_end=6579,
+  serialized_start=6550,
+  serialized_end=6845,
 )
 
 
@@ -2637,6 +2794,7 @@ _CREATESNAPSHOTRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='snapshot', full_name='csi.v1.CreateSnapshotResponse.snapshot', index=0,
@@ -2644,7 +2802,7 @@ _CREATESNAPSHOTRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2657,8 +2815,8 @@ _CREATESNAPSHOTRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6581,
-  serialized_end=6641,
+  serialized_start=6847,
+  serialized_end=6907,
 )
 
 
@@ -2668,6 +2826,7 @@ _SNAPSHOT = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='size_bytes', full_name='csi.v1.Snapshot.size_bytes', index=0,
@@ -2675,35 +2834,35 @@ _SNAPSHOT = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='snapshot_id', full_name='csi.v1.Snapshot.snapshot_id', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='source_volume_id', full_name='csi.v1.Snapshot.source_volume_id', index=2,
       number=3, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='creation_time', full_name='csi.v1.Snapshot.creation_time', index=3,
       number=4, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='ready_to_use', full_name='csi.v1.Snapshot.ready_to_use', index=4,
       number=5, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2716,8 +2875,8 @@ _SNAPSHOT = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6644,
-  serialized_end=6794,
+  serialized_start=6910,
+  serialized_end=7060,
 )
 
 
@@ -2727,6 +2886,7 @@ _DELETESNAPSHOTREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.DeleteSnapshotRequest.SecretsEntry.key', index=0,
@@ -2734,14 +2894,14 @@ _DELETESNAPSHOTREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.DeleteSnapshotRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2764,6 +2924,7 @@ _DELETESNAPSHOTREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='snapshot_id', full_name='csi.v1.DeleteSnapshotRequest.snapshot_id', index=0,
@@ -2771,14 +2932,14 @@ _DELETESNAPSHOTREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.DeleteSnapshotRequest.secrets', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2791,8 +2952,8 @@ _DELETESNAPSHOTREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6797,
-  serialized_end=6955,
+  serialized_start=7063,
+  serialized_end=7221,
 )
 
 
@@ -2802,6 +2963,7 @@ _DELETESNAPSHOTRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -2815,8 +2977,8 @@ _DELETESNAPSHOTRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6957,
-  serialized_end=6981,
+  serialized_start=7223,
+  serialized_end=7247,
 )
 
 
@@ -2826,6 +2988,7 @@ _LISTSNAPSHOTSREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ListSnapshotsRequest.SecretsEntry.key', index=0,
@@ -2833,14 +2996,14 @@ _LISTSNAPSHOTSREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ListSnapshotsRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2863,6 +3026,7 @@ _LISTSNAPSHOTSREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='max_entries', full_name='csi.v1.ListSnapshotsRequest.max_entries', index=0,
@@ -2870,35 +3034,35 @@ _LISTSNAPSHOTSREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='starting_token', full_name='csi.v1.ListSnapshotsRequest.starting_token', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='source_volume_id', full_name='csi.v1.ListSnapshotsRequest.source_volume_id', index=2,
       number=3, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='snapshot_id', full_name='csi.v1.ListSnapshotsRequest.snapshot_id', index=3,
       number=4, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.ListSnapshotsRequest.secrets', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2911,8 +3075,8 @@ _LISTSNAPSHOTSREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=6984,
-  serialized_end=7211,
+  serialized_start=7250,
+  serialized_end=7477,
 )
 
 
@@ -2922,6 +3086,7 @@ _LISTSNAPSHOTSRESPONSE_ENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='snapshot', full_name='csi.v1.ListSnapshotsResponse.Entry.snapshot', index=0,
@@ -2929,7 +3094,7 @@ _LISTSNAPSHOTSRESPONSE_ENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2942,8 +3107,8 @@ _LISTSNAPSHOTSRESPONSE_ENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=7313,
-  serialized_end=7356,
+  serialized_start=7579,
+  serialized_end=7622,
 )
 
 _LISTSNAPSHOTSRESPONSE = _descriptor.Descriptor(
@@ -2952,6 +3117,7 @@ _LISTSNAPSHOTSRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='entries', full_name='csi.v1.ListSnapshotsResponse.entries', index=0,
@@ -2959,14 +3125,14 @@ _LISTSNAPSHOTSRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='next_token', full_name='csi.v1.ListSnapshotsResponse.next_token', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -2979,8 +3145,8 @@ _LISTSNAPSHOTSRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=7214,
-  serialized_end=7356,
+  serialized_start=7480,
+  serialized_end=7622,
 )
 
 
@@ -2990,6 +3156,7 @@ _CONTROLLEREXPANDVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.ControllerExpandVolumeRequest.SecretsEntry.key', index=0,
@@ -2997,14 +3164,14 @@ _CONTROLLEREXPANDVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.ControllerExpandVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3027,6 +3194,7 @@ _CONTROLLEREXPANDVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.ControllerExpandVolumeRequest.volume_id', index=0,
@@ -3034,28 +3202,28 @@ _CONTROLLEREXPANDVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='capacity_range', full_name='csi.v1.ControllerExpandVolumeRequest.capacity_range', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.ControllerExpandVolumeRequest.secrets', index=2,
       number=3, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capability', full_name='csi.v1.ControllerExpandVolumeRequest.volume_capability', index=3,
       number=4, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3068,8 +3236,8 @@ _CONTROLLEREXPANDVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=7359,
-  serialized_end=7631,
+  serialized_start=7625,
+  serialized_end=7897,
 )
 
 
@@ -3079,6 +3247,7 @@ _CONTROLLEREXPANDVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capacity_bytes', full_name='csi.v1.ControllerExpandVolumeResponse.capacity_bytes', index=0,
@@ -3086,14 +3255,14 @@ _CONTROLLEREXPANDVOLUMERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='node_expansion_required', full_name='csi.v1.ControllerExpandVolumeResponse.node_expansion_required', index=1,
       number=2, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3106,8 +3275,8 @@ _CONTROLLEREXPANDVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=7633,
-  serialized_end=7722,
+  serialized_start=7899,
+  serialized_end=7988,
 )
 
 
@@ -3117,6 +3286,7 @@ _NODESTAGEVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodeStageVolumeRequest.PublishContextEntry.key', index=0,
@@ -3124,14 +3294,14 @@ _NODESTAGEVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodeStageVolumeRequest.PublishContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3144,8 +3314,8 @@ _NODESTAGEVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3459,
-  serialized_end=3512,
+  serialized_start=3563,
+  serialized_end=3616,
 )
 
 _NODESTAGEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
@@ -3154,6 +3324,7 @@ _NODESTAGEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodeStageVolumeRequest.SecretsEntry.key', index=0,
@@ -3161,14 +3332,14 @@ _NODESTAGEVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodeStageVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3191,6 +3362,7 @@ _NODESTAGEVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodeStageVolumeRequest.VolumeContextEntry.key', index=0,
@@ -3198,14 +3370,14 @@ _NODESTAGEVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodeStageVolumeRequest.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3218,8 +3390,8 @@ _NODESTAGEVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _NODESTAGEVOLUMEREQUEST = _descriptor.Descriptor(
@@ -3228,6 +3400,7 @@ _NODESTAGEVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodeStageVolumeRequest.volume_id', index=0,
@@ -3235,42 +3408,42 @@ _NODESTAGEVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='publish_context', full_name='csi.v1.NodeStageVolumeRequest.publish_context', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='staging_target_path', full_name='csi.v1.NodeStageVolumeRequest.staging_target_path', index=2,
       number=3, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capability', full_name='csi.v1.NodeStageVolumeRequest.volume_capability', index=3,
       number=4, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.NodeStageVolumeRequest.secrets', index=4,
       number=5, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.NodeStageVolumeRequest.volume_context', index=5,
       number=6, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3283,8 +3456,8 @@ _NODESTAGEVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=7725,
-  serialized_end=8226,
+  serialized_start=7991,
+  serialized_end=8492,
 )
 
 
@@ -3294,6 +3467,7 @@ _NODESTAGEVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3307,8 +3481,8 @@ _NODESTAGEVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8228,
-  serialized_end=8253,
+  serialized_start=8494,
+  serialized_end=8519,
 )
 
 
@@ -3318,6 +3492,7 @@ _NODEUNSTAGEVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodeUnstageVolumeRequest.volume_id', index=0,
@@ -3325,14 +3500,14 @@ _NODEUNSTAGEVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='staging_target_path', full_name='csi.v1.NodeUnstageVolumeRequest.staging_target_path', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3345,8 +3520,8 @@ _NODEUNSTAGEVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8255,
-  serialized_end=8329,
+  serialized_start=8521,
+  serialized_end=8595,
 )
 
 
@@ -3356,6 +3531,7 @@ _NODEUNSTAGEVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3369,8 +3545,8 @@ _NODEUNSTAGEVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8331,
-  serialized_end=8358,
+  serialized_start=8597,
+  serialized_end=8624,
 )
 
 
@@ -3380,6 +3556,7 @@ _NODEPUBLISHVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodePublishVolumeRequest.PublishContextEntry.key', index=0,
@@ -3387,14 +3564,14 @@ _NODEPUBLISHVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodePublishVolumeRequest.PublishContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3407,8 +3584,8 @@ _NODEPUBLISHVOLUMEREQUEST_PUBLISHCONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=3459,
-  serialized_end=3512,
+  serialized_start=3563,
+  serialized_end=3616,
 )
 
 _NODEPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
@@ -3417,6 +3594,7 @@ _NODEPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodePublishVolumeRequest.SecretsEntry.key', index=0,
@@ -3424,14 +3602,14 @@ _NODEPUBLISHVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodePublishVolumeRequest.SecretsEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3454,6 +3632,7 @@ _NODEPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='key', full_name='csi.v1.NodePublishVolumeRequest.VolumeContextEntry.key', index=0,
@@ -3461,14 +3640,14 @@ _NODEPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='value', full_name='csi.v1.NodePublishVolumeRequest.VolumeContextEntry.value', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3481,8 +3660,8 @@ _NODEPUBLISHVOLUMEREQUEST_VOLUMECONTEXTENTRY = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=2494,
-  serialized_end=2546,
+  serialized_start=2598,
+  serialized_end=2650,
 )
 
 _NODEPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
@@ -3491,6 +3670,7 @@ _NODEPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodePublishVolumeRequest.volume_id', index=0,
@@ -3498,56 +3678,56 @@ _NODEPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='publish_context', full_name='csi.v1.NodePublishVolumeRequest.publish_context', index=1,
       number=2, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='staging_target_path', full_name='csi.v1.NodePublishVolumeRequest.staging_target_path', index=2,
       number=3, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='target_path', full_name='csi.v1.NodePublishVolumeRequest.target_path', index=3,
       number=4, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capability', full_name='csi.v1.NodePublishVolumeRequest.volume_capability', index=4,
       number=5, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='readonly', full_name='csi.v1.NodePublishVolumeRequest.readonly', index=5,
       number=6, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='secrets', full_name='csi.v1.NodePublishVolumeRequest.secrets', index=6,
       number=7, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\230B\001', file=DESCRIPTOR),
+      serialized_options=b'\230B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_context', full_name='csi.v1.NodePublishVolumeRequest.volume_context', index=7,
       number=8, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3560,8 +3740,8 @@ _NODEPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8361,
-  serialized_end=8909,
+  serialized_start=8627,
+  serialized_end=9175,
 )
 
 
@@ -3571,6 +3751,7 @@ _NODEPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3584,8 +3765,8 @@ _NODEPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8911,
-  serialized_end=8938,
+  serialized_start=9177,
+  serialized_end=9204,
 )
 
 
@@ -3595,6 +3776,7 @@ _NODEUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodeUnpublishVolumeRequest.volume_id', index=0,
@@ -3602,14 +3784,14 @@ _NODEUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='target_path', full_name='csi.v1.NodeUnpublishVolumeRequest.target_path', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3622,8 +3804,8 @@ _NODEUNPUBLISHVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=8940,
-  serialized_end=9008,
+  serialized_start=9206,
+  serialized_end=9274,
 )
 
 
@@ -3633,6 +3815,7 @@ _NODEUNPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3646,8 +3829,8 @@ _NODEUNPUBLISHVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9010,
-  serialized_end=9039,
+  serialized_start=9276,
+  serialized_end=9305,
 )
 
 
@@ -3657,6 +3840,7 @@ _NODEGETVOLUMESTATSREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodeGetVolumeStatsRequest.volume_id', index=0,
@@ -3664,21 +3848,21 @@ _NODEGETVOLUMESTATSREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_path', full_name='csi.v1.NodeGetVolumeStatsRequest.volume_path', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='staging_target_path', full_name='csi.v1.NodeGetVolumeStatsRequest.staging_target_path', index=2,
       number=3, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3691,8 +3875,8 @@ _NODEGETVOLUMESTATSREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9041,
-  serialized_end=9137,
+  serialized_start=9307,
+  serialized_end=9403,
 )
 
 
@@ -3702,6 +3886,7 @@ _NODEGETVOLUMESTATSRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='usage', full_name='csi.v1.NodeGetVolumeStatsResponse.usage', index=0,
@@ -3709,14 +3894,14 @@ _NODEGETVOLUMESTATSRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_condition', full_name='csi.v1.NodeGetVolumeStatsResponse.volume_condition', index=1,
       number=2, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=b'\240B\001', file=DESCRIPTOR),
+      serialized_options=b'\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3729,8 +3914,8 @@ _NODEGETVOLUMESTATSRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9139,
-  serialized_end=9259,
+  serialized_start=9405,
+  serialized_end=9525,
 )
 
 
@@ -3740,6 +3925,7 @@ _VOLUMEUSAGE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='available', full_name='csi.v1.VolumeUsage.available', index=0,
@@ -3747,28 +3933,28 @@ _VOLUMEUSAGE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='total', full_name='csi.v1.VolumeUsage.total', index=1,
       number=2, type=3, cpp_type=2, label=1,
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='used', full_name='csi.v1.VolumeUsage.used', index=2,
       number=3, type=3, cpp_type=2, label=1,
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='unit', full_name='csi.v1.VolumeUsage.unit', index=3,
       number=4, type=14, cpp_type=8, label=1,
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3782,8 +3968,8 @@ _VOLUMEUSAGE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9262,
-  serialized_end=9407,
+  serialized_start=9528,
+  serialized_end=9673,
 )
 
 
@@ -3793,6 +3979,7 @@ _VOLUMECONDITION = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='abnormal', full_name='csi.v1.VolumeCondition.abnormal', index=0,
@@ -3800,14 +3987,14 @@ _VOLUMECONDITION = _descriptor.Descriptor(
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='message', full_name='csi.v1.VolumeCondition.message', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3820,8 +4007,8 @@ _VOLUMECONDITION = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9409,
-  serialized_end=9466,
+  serialized_start=9675,
+  serialized_end=9732,
 )
 
 
@@ -3831,6 +4018,7 @@ _NODEGETCAPABILITIESREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3844,8 +4032,8 @@ _NODEGETCAPABILITIESREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9468,
-  serialized_end=9496,
+  serialized_start=9734,
+  serialized_end=9762,
 )
 
 
@@ -3855,6 +4043,7 @@ _NODEGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capabilities', full_name='csi.v1.NodeGetCapabilitiesResponse.capabilities', index=0,
@@ -3862,7 +4051,7 @@ _NODEGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3875,8 +4064,8 @@ _NODEGETCAPABILITIESRESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9498,
-  serialized_end=9580,
+  serialized_start=9764,
+  serialized_end=9846,
 )
 
 
@@ -3886,6 +4075,7 @@ _NODESERVICECAPABILITY_RPC = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='type', full_name='csi.v1.NodeServiceCapability.RPC.type', index=0,
@@ -3893,7 +4083,7 @@ _NODESERVICECAPABILITY_RPC = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3907,8 +4097,8 @@ _NODESERVICECAPABILITY_RPC = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9659,
-  serialized_end=9833,
+  serialized_start=9925,
+  serialized_end=10164,
 )
 
 _NODESERVICECAPABILITY = _descriptor.Descriptor(
@@ -3917,6 +4107,7 @@ _NODESERVICECAPABILITY = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='rpc', full_name='csi.v1.NodeServiceCapability.rpc', index=0,
@@ -3924,7 +4115,7 @@ _NODESERVICECAPABILITY = _descriptor.Descriptor(
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -3938,10 +4129,12 @@ _NODESERVICECAPABILITY = _descriptor.Descriptor(
   oneofs=[
     _descriptor.OneofDescriptor(
       name='type', full_name='csi.v1.NodeServiceCapability.type',
-      index=0, containing_type=None, fields=[]),
+      index=0, containing_type=None,
+      create_key=_descriptor._internal_create_key,
+    fields=[]),
   ],
-  serialized_start=9583,
-  serialized_end=9841,
+  serialized_start=9849,
+  serialized_end=10172,
 )
 
 
@@ -3951,6 +4144,7 @@ _NODEGETINFOREQUEST = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
   ],
   extensions=[
@@ -3964,8 +4158,8 @@ _NODEGETINFOREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9843,
-  serialized_end=9863,
+  serialized_start=10174,
+  serialized_end=10194,
 )
 
 
@@ -3975,6 +4169,7 @@ _NODEGETINFORESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='node_id', full_name='csi.v1.NodeGetInfoResponse.node_id', index=0,
@@ -3982,21 +4177,21 @@ _NODEGETINFORESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='max_volumes_per_node', full_name='csi.v1.NodeGetInfoResponse.max_volumes_per_node', index=1,
       number=2, type=3, cpp_type=2, label=1,
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='accessible_topology', full_name='csi.v1.NodeGetInfoResponse.accessible_topology', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -4009,17 +4204,56 @@ _NODEGETINFORESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9865,
-  serialized_end=9980,
+  serialized_start=10196,
+  serialized_end=10311,
 )
 
 
+_NODEEXPANDVOLUMEREQUEST_SECRETSENTRY = _descriptor.Descriptor(
+  name='SecretsEntry',
+  full_name='csi.v1.NodeExpandVolumeRequest.SecretsEntry',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='key', full_name='csi.v1.NodeExpandVolumeRequest.SecretsEntry.key', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='value', full_name='csi.v1.NodeExpandVolumeRequest.SecretsEntry.value', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=b'8\001',
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1380,
+  serialized_end=1426,
+)
+
 _NODEEXPANDVOLUMEREQUEST = _descriptor.Descriptor(
   name='NodeExpandVolumeRequest',
   full_name='csi.v1.NodeExpandVolumeRequest',
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='volume_id', full_name='csi.v1.NodeExpandVolumeRequest.volume_id', index=0,
@@ -4027,39 +4261,46 @@ _NODEEXPANDVOLUMEREQUEST = _descriptor.Descriptor(
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_path', full_name='csi.v1.NodeExpandVolumeRequest.volume_path', index=1,
       number=2, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='capacity_range', full_name='csi.v1.NodeExpandVolumeRequest.capacity_range', index=2,
       number=3, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='staging_target_path', full_name='csi.v1.NodeExpandVolumeRequest.staging_target_path', index=3,
       number=4, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=b"".decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
     _descriptor.FieldDescriptor(
       name='volume_capability', full_name='csi.v1.NodeExpandVolumeRequest.volume_capability', index=4,
       number=5, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='secrets', full_name='csi.v1.NodeExpandVolumeRequest.secrets', index=5,
+      number=6, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=b'\230B\001\240B\001', file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
-  nested_types=[],
+  nested_types=[_NODEEXPANDVOLUMEREQUEST_SECRETSENTRY, ],
   enum_types=[
   ],
   serialized_options=None,
@@ -4068,8 +4309,8 @@ _NODEEXPANDVOLUMEREQUEST = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=9983,
-  serialized_end=10177,
+  serialized_start=10314,
+  serialized_end=10627,
 )
 
 
@@ -4079,6 +4320,7 @@ _NODEEXPANDVOLUMERESPONSE = _descriptor.Descriptor(
   filename=None,
   file=DESCRIPTOR,
   containing_type=None,
+  create_key=_descriptor._internal_create_key,
   fields=[
     _descriptor.FieldDescriptor(
       name='capacity_bytes', full_name='csi.v1.NodeExpandVolumeResponse.capacity_bytes', index=0,
@@ -4086,7 +4328,7 @@ _NODEEXPANDVOLUMERESPONSE = _descriptor.Descriptor(
       has_default_value=False, default_value=0,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
-      serialized_options=None, file=DESCRIPTOR),
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
   ],
   extensions=[
   ],
@@ -4099,8 +4341,8 @@ _NODEEXPANDVOLUMERESPONSE = _descriptor.Descriptor(
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=10179,
-  serialized_end=10229,
+  serialized_start=10629,
+  serialized_end=10679,
 )
 
 _GETPLUGININFORESPONSE_MANIFESTENTRY.containing_type = _GETPLUGININFORESPONSE
@@ -4201,6 +4443,8 @@ _GETCAPACITYREQUEST_PARAMETERSENTRY.containing_type = _GETCAPACITYREQUEST
 _GETCAPACITYREQUEST.fields_by_name['volume_capabilities'].message_type = _VOLUMECAPABILITY
 _GETCAPACITYREQUEST.fields_by_name['parameters'].message_type = _GETCAPACITYREQUEST_PARAMETERSENTRY
 _GETCAPACITYREQUEST.fields_by_name['accessible_topology'].message_type = _TOPOLOGY
+_GETCAPACITYRESPONSE.fields_by_name['maximum_volume_size'].message_type = google_dot_protobuf_dot_wrappers__pb2._INT64VALUE
+_GETCAPACITYRESPONSE.fields_by_name['minimum_volume_size'].message_type = google_dot_protobuf_dot_wrappers__pb2._INT64VALUE
 _CONTROLLERGETCAPABILITIESRESPONSE.fields_by_name['capabilities'].message_type = _CONTROLLERSERVICECAPABILITY
 _CONTROLLERSERVICECAPABILITY_RPC.fields_by_name['type'].enum_type = _CONTROLLERSERVICECAPABILITY_RPC_TYPE
 _CONTROLLERSERVICECAPABILITY_RPC.containing_type = _CONTROLLERSERVICECAPABILITY
@@ -4253,8 +4497,10 @@ _NODESERVICECAPABILITY.oneofs_by_name['type'].fields.append(
   _NODESERVICECAPABILITY.fields_by_name['rpc'])
 _NODESERVICECAPABILITY.fields_by_name['rpc'].containing_oneof = _NODESERVICECAPABILITY.oneofs_by_name['type']
 _NODEGETINFORESPONSE.fields_by_name['accessible_topology'].message_type = _TOPOLOGY
+_NODEEXPANDVOLUMEREQUEST_SECRETSENTRY.containing_type = _NODEEXPANDVOLUMEREQUEST
 _NODEEXPANDVOLUMEREQUEST.fields_by_name['capacity_range'].message_type = _CAPACITYRANGE
 _NODEEXPANDVOLUMEREQUEST.fields_by_name['volume_capability'].message_type = _VOLUMECAPABILITY
+_NODEEXPANDVOLUMEREQUEST.fields_by_name['secrets'].message_type = _NODEEXPANDVOLUMEREQUEST_SECRETSENTRY
 DESCRIPTOR.message_types_by_name['GetPluginInfoRequest'] = _GETPLUGININFOREQUEST
 DESCRIPTOR.message_types_by_name['GetPluginInfoResponse'] = _GETPLUGININFORESPONSE
 DESCRIPTOR.message_types_by_name['GetPluginCapabilitiesRequest'] = _GETPLUGINCAPABILITIESREQUEST
@@ -5059,11 +5305,19 @@ NodeGetInfoResponse = _reflection.GeneratedProtocolMessageType('NodeGetInfoRespo
 _sym_db.RegisterMessage(NodeGetInfoResponse)
 
 NodeExpandVolumeRequest = _reflection.GeneratedProtocolMessageType('NodeExpandVolumeRequest', (_message.Message,), {
+
+  'SecretsEntry' : _reflection.GeneratedProtocolMessageType('SecretsEntry', (_message.Message,), {
+    'DESCRIPTOR' : _NODEEXPANDVOLUMEREQUEST_SECRETSENTRY,
+    '__module__' : 'csi_pb2'
+    # @@protoc_insertion_point(class_scope:csi.v1.NodeExpandVolumeRequest.SecretsEntry)
+    })
+  ,
   'DESCRIPTOR' : _NODEEXPANDVOLUMEREQUEST,
   '__module__' : 'csi_pb2'
   # @@protoc_insertion_point(class_scope:csi.v1.NodeExpandVolumeRequest)
   })
 _sym_db.RegisterMessage(NodeExpandVolumeRequest)
+_sym_db.RegisterMessage(NodeExpandVolumeRequest.SecretsEntry)
 
 NodeExpandVolumeResponse = _reflection.GeneratedProtocolMessageType('NodeExpandVolumeResponse', (_message.Message,), {
   'DESCRIPTOR' : _NODEEXPANDVOLUMERESPONSE,
@@ -5085,6 +5339,9 @@ _GETPLUGININFORESPONSE_MANIFESTENTRY._options = None
 _CREATEVOLUMEREQUEST_PARAMETERSENTRY._options = None
 _CREATEVOLUMEREQUEST_SECRETSENTRY._options = None
 _CREATEVOLUMEREQUEST.fields_by_name['secrets']._options = None
+_VOLUMECAPABILITY_MOUNTVOLUME.fields_by_name['volume_mount_group']._options = None
+_VOLUMECAPABILITY_ACCESSMODE_MODE.values_by_name["SINGLE_NODE_SINGLE_WRITER"]._options = None
+_VOLUMECAPABILITY_ACCESSMODE_MODE.values_by_name["SINGLE_NODE_MULTI_WRITER"]._options = None
 _VOLUME_VOLUMECONTEXTENTRY._options = None
 _TOPOLOGY_SEGMENTSENTRY._options = None
 _DELETEVOLUMEREQUEST_SECRETSENTRY._options = None
@@ -5105,8 +5362,11 @@ _LISTVOLUMESRESPONSE_VOLUMESTATUS.fields_by_name['volume_condition']._options =
 _CONTROLLERGETVOLUMEREQUEST._options = None
 _CONTROLLERGETVOLUMERESPONSE._options = None
 _GETCAPACITYREQUEST_PARAMETERSENTRY._options = None
+_GETCAPACITYRESPONSE.fields_by_name['maximum_volume_size']._options = None
+_GETCAPACITYRESPONSE.fields_by_name['minimum_volume_size']._options = None
 _CONTROLLERSERVICECAPABILITY_RPC_TYPE.values_by_name["VOLUME_CONDITION"]._options = None
 _CONTROLLERSERVICECAPABILITY_RPC_TYPE.values_by_name["GET_VOLUME"]._options = None
+_CONTROLLERSERVICECAPABILITY_RPC_TYPE.values_by_name["SINGLE_NODE_MULTI_WRITER"]._options = None
 _CREATESNAPSHOTREQUEST_SECRETSENTRY._options = None
 _CREATESNAPSHOTREQUEST_PARAMETERSENTRY._options = None
 _CREATESNAPSHOTREQUEST.fields_by_name['secrets']._options = None
@@ -5127,6 +5387,10 @@ _NODEPUBLISHVOLUMEREQUEST.fields_by_name['secrets']._options = None
 _NODEGETVOLUMESTATSRESPONSE.fields_by_name['volume_condition']._options = None
 _VOLUMECONDITION._options = None
 _NODESERVICECAPABILITY_RPC_TYPE.values_by_name["VOLUME_CONDITION"]._options = None
+_NODESERVICECAPABILITY_RPC_TYPE.values_by_name["SINGLE_NODE_MULTI_WRITER"]._options = None
+_NODESERVICECAPABILITY_RPC_TYPE.values_by_name["VOLUME_MOUNT_GROUP"]._options = None
+_NODEEXPANDVOLUMEREQUEST_SECRETSENTRY._options = None
+_NODEEXPANDVOLUMEREQUEST.fields_by_name['secrets']._options = None
 
 _IDENTITY = _descriptor.ServiceDescriptor(
   name='Identity',
@@ -5134,8 +5398,9 @@ _IDENTITY = _descriptor.ServiceDescriptor(
   file=DESCRIPTOR,
   index=0,
   serialized_options=None,
-  serialized_start=10232,
-  serialized_end=10482,
+  create_key=_descriptor._internal_create_key,
+  serialized_start=10682,
+  serialized_end=10932,
   methods=[
   _descriptor.MethodDescriptor(
     name='GetPluginInfo',
@@ -5145,6 +5410,7 @@ _IDENTITY = _descriptor.ServiceDescriptor(
     input_type=_GETPLUGININFOREQUEST,
     output_type=_GETPLUGININFORESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='GetPluginCapabilities',
@@ -5154,6 +5420,7 @@ _IDENTITY = _descriptor.ServiceDescriptor(
     input_type=_GETPLUGINCAPABILITIESREQUEST,
     output_type=_GETPLUGINCAPABILITIESRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='Probe',
@@ -5163,6 +5430,7 @@ _IDENTITY = _descriptor.ServiceDescriptor(
     input_type=_PROBEREQUEST,
     output_type=_PROBERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
 ])
 _sym_db.RegisterServiceDescriptor(_IDENTITY)
@@ -5176,8 +5444,9 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
   file=DESCRIPTOR,
   index=1,
   serialized_options=None,
-  serialized_start=10485,
-  serialized_end=11714,
+  create_key=_descriptor._internal_create_key,
+  serialized_start=10935,
+  serialized_end=12164,
   methods=[
   _descriptor.MethodDescriptor(
     name='CreateVolume',
@@ -5187,6 +5456,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CREATEVOLUMEREQUEST,
     output_type=_CREATEVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='DeleteVolume',
@@ -5196,6 +5466,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_DELETEVOLUMEREQUEST,
     output_type=_DELETEVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ControllerPublishVolume',
@@ -5205,6 +5476,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CONTROLLERPUBLISHVOLUMEREQUEST,
     output_type=_CONTROLLERPUBLISHVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ControllerUnpublishVolume',
@@ -5214,6 +5486,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CONTROLLERUNPUBLISHVOLUMEREQUEST,
     output_type=_CONTROLLERUNPUBLISHVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ValidateVolumeCapabilities',
@@ -5223,6 +5496,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_VALIDATEVOLUMECAPABILITIESREQUEST,
     output_type=_VALIDATEVOLUMECAPABILITIESRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ListVolumes',
@@ -5232,6 +5506,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_LISTVOLUMESREQUEST,
     output_type=_LISTVOLUMESRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='GetCapacity',
@@ -5241,6 +5516,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_GETCAPACITYREQUEST,
     output_type=_GETCAPACITYRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ControllerGetCapabilities',
@@ -5250,6 +5526,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CONTROLLERGETCAPABILITIESREQUEST,
     output_type=_CONTROLLERGETCAPABILITIESRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='CreateSnapshot',
@@ -5259,6 +5536,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CREATESNAPSHOTREQUEST,
     output_type=_CREATESNAPSHOTRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='DeleteSnapshot',
@@ -5268,6 +5546,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_DELETESNAPSHOTREQUEST,
     output_type=_DELETESNAPSHOTRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ListSnapshots',
@@ -5277,6 +5556,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_LISTSNAPSHOTSREQUEST,
     output_type=_LISTSNAPSHOTSRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ControllerExpandVolume',
@@ -5286,6 +5566,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CONTROLLEREXPANDVOLUMEREQUEST,
     output_type=_CONTROLLEREXPANDVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='ControllerGetVolume',
@@ -5295,6 +5576,7 @@ _CONTROLLER = _descriptor.ServiceDescriptor(
     input_type=_CONTROLLERGETVOLUMEREQUEST,
     output_type=_CONTROLLERGETVOLUMERESPONSE,
     serialized_options=b'\240B\001',
+    create_key=_descriptor._internal_create_key,
   ),
 ])
 _sym_db.RegisterServiceDescriptor(_CONTROLLER)
@@ -5308,8 +5590,9 @@ _NODE = _descriptor.ServiceDescriptor(
   file=DESCRIPTOR,
   index=2,
   serialized_options=None,
-  serialized_start=11717,
-  serialized_end=12447,
+  create_key=_descriptor._internal_create_key,
+  serialized_start=12167,
+  serialized_end=12897,
   methods=[
   _descriptor.MethodDescriptor(
     name='NodeStageVolume',
@@ -5319,6 +5602,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODESTAGEVOLUMEREQUEST,
     output_type=_NODESTAGEVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeUnstageVolume',
@@ -5328,6 +5612,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEUNSTAGEVOLUMEREQUEST,
     output_type=_NODEUNSTAGEVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodePublishVolume',
@@ -5337,6 +5622,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEPUBLISHVOLUMEREQUEST,
     output_type=_NODEPUBLISHVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeUnpublishVolume',
@@ -5346,6 +5632,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEUNPUBLISHVOLUMEREQUEST,
     output_type=_NODEUNPUBLISHVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeGetVolumeStats',
@@ -5355,6 +5642,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEGETVOLUMESTATSREQUEST,
     output_type=_NODEGETVOLUMESTATSRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeExpandVolume',
@@ -5364,6 +5652,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEEXPANDVOLUMEREQUEST,
     output_type=_NODEEXPANDVOLUMERESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeGetCapabilities',
@@ -5373,6 +5662,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEGETCAPABILITIESREQUEST,
     output_type=_NODEGETCAPABILITIESRESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
   _descriptor.MethodDescriptor(
     name='NodeGetInfo',
@@ -5382,6 +5672,7 @@ _NODE = _descriptor.ServiceDescriptor(
     input_type=_NODEGETINFOREQUEST,
     output_type=_NODEGETINFORESPONSE,
     serialized_options=None,
+    create_key=_descriptor._internal_create_key,
   ),
 ])
 _sym_db.RegisterServiceDescriptor(_NODE)
diff --git a/csi/csi_pb2_grpc.py b/csi/csi_pb2_grpc.py
index 053c5b3..0bb53c6 100644
--- a/csi/csi_pb2_grpc.py
+++ b/csi/csi_pb2_grpc.py
@@ -1,11 +1,12 @@
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
 import grpc
 
 import csi_pb2 as csi__pb2
 
 
 class IdentityStub(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def __init__(self, channel):
         """Constructor.
@@ -31,22 +32,22 @@ class IdentityStub(object):
 
 
 class IdentityServicer(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def GetPluginInfo(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def GetPluginCapabilities(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def Probe(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
@@ -77,7 +78,7 @@ def add_IdentityServicer_to_server(servicer, server):
 
  # This class is part of an EXPERIMENTAL API.
 class Identity(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     @staticmethod
     def GetPluginInfo(request,
@@ -85,6 +86,7 @@ class Identity(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -93,7 +95,7 @@ class Identity(object):
             csi__pb2.GetPluginInfoRequest.SerializeToString,
             csi__pb2.GetPluginInfoResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def GetPluginCapabilities(request,
@@ -101,6 +103,7 @@ class Identity(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -109,7 +112,7 @@ class Identity(object):
             csi__pb2.GetPluginCapabilitiesRequest.SerializeToString,
             csi__pb2.GetPluginCapabilitiesResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def Probe(request,
@@ -117,6 +120,7 @@ class Identity(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -125,11 +129,11 @@ class Identity(object):
             csi__pb2.ProbeRequest.SerializeToString,
             csi__pb2.ProbeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
 
 class ControllerStub(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def __init__(self, channel):
         """Constructor.
@@ -205,82 +209,82 @@ class ControllerStub(object):
 
 
 class ControllerServicer(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def CreateVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def DeleteVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ControllerPublishVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ControllerUnpublishVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ValidateVolumeCapabilities(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ListVolumes(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def GetCapacity(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ControllerGetCapabilities(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def CreateSnapshot(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def DeleteSnapshot(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ListSnapshots(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ControllerExpandVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def ControllerGetVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
@@ -361,7 +365,7 @@ def add_ControllerServicer_to_server(servicer, server):
 
  # This class is part of an EXPERIMENTAL API.
 class Controller(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     @staticmethod
     def CreateVolume(request,
@@ -369,6 +373,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -377,7 +382,7 @@ class Controller(object):
             csi__pb2.CreateVolumeRequest.SerializeToString,
             csi__pb2.CreateVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def DeleteVolume(request,
@@ -385,6 +390,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -393,7 +399,7 @@ class Controller(object):
             csi__pb2.DeleteVolumeRequest.SerializeToString,
             csi__pb2.DeleteVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ControllerPublishVolume(request,
@@ -401,6 +407,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -409,7 +416,7 @@ class Controller(object):
             csi__pb2.ControllerPublishVolumeRequest.SerializeToString,
             csi__pb2.ControllerPublishVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ControllerUnpublishVolume(request,
@@ -417,6 +424,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -425,7 +433,7 @@ class Controller(object):
             csi__pb2.ControllerUnpublishVolumeRequest.SerializeToString,
             csi__pb2.ControllerUnpublishVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ValidateVolumeCapabilities(request,
@@ -433,6 +441,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -441,7 +450,7 @@ class Controller(object):
             csi__pb2.ValidateVolumeCapabilitiesRequest.SerializeToString,
             csi__pb2.ValidateVolumeCapabilitiesResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ListVolumes(request,
@@ -449,6 +458,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -457,7 +467,7 @@ class Controller(object):
             csi__pb2.ListVolumesRequest.SerializeToString,
             csi__pb2.ListVolumesResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def GetCapacity(request,
@@ -465,6 +475,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -473,7 +484,7 @@ class Controller(object):
             csi__pb2.GetCapacityRequest.SerializeToString,
             csi__pb2.GetCapacityResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ControllerGetCapabilities(request,
@@ -481,6 +492,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -489,7 +501,7 @@ class Controller(object):
             csi__pb2.ControllerGetCapabilitiesRequest.SerializeToString,
             csi__pb2.ControllerGetCapabilitiesResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def CreateSnapshot(request,
@@ -497,6 +509,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -505,7 +518,7 @@ class Controller(object):
             csi__pb2.CreateSnapshotRequest.SerializeToString,
             csi__pb2.CreateSnapshotResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def DeleteSnapshot(request,
@@ -513,6 +526,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -521,7 +535,7 @@ class Controller(object):
             csi__pb2.DeleteSnapshotRequest.SerializeToString,
             csi__pb2.DeleteSnapshotResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ListSnapshots(request,
@@ -529,6 +543,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -537,7 +552,7 @@ class Controller(object):
             csi__pb2.ListSnapshotsRequest.SerializeToString,
             csi__pb2.ListSnapshotsResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ControllerExpandVolume(request,
@@ -545,6 +560,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -553,7 +569,7 @@ class Controller(object):
             csi__pb2.ControllerExpandVolumeRequest.SerializeToString,
             csi__pb2.ControllerExpandVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def ControllerGetVolume(request,
@@ -561,6 +577,7 @@ class Controller(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -569,11 +586,11 @@ class Controller(object):
             csi__pb2.ControllerGetVolumeRequest.SerializeToString,
             csi__pb2.ControllerGetVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
 
 class NodeStub(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def __init__(self, channel):
         """Constructor.
@@ -624,52 +641,52 @@ class NodeStub(object):
 
 
 class NodeServicer(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     def NodeStageVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeUnstageVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodePublishVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeUnpublishVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeGetVolumeStats(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeExpandVolume(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeGetCapabilities(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
     def NodeGetInfo(self, request, context):
-        """Missing associated documentation comment in .proto file"""
+        """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
@@ -725,7 +742,7 @@ def add_NodeServicer_to_server(servicer, server):
 
  # This class is part of an EXPERIMENTAL API.
 class Node(object):
-    """Missing associated documentation comment in .proto file"""
+    """Missing associated documentation comment in .proto file."""
 
     @staticmethod
     def NodeStageVolume(request,
@@ -733,6 +750,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -741,7 +759,7 @@ class Node(object):
             csi__pb2.NodeStageVolumeRequest.SerializeToString,
             csi__pb2.NodeStageVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeUnstageVolume(request,
@@ -749,6 +767,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -757,7 +776,7 @@ class Node(object):
             csi__pb2.NodeUnstageVolumeRequest.SerializeToString,
             csi__pb2.NodeUnstageVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodePublishVolume(request,
@@ -765,6 +784,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -773,7 +793,7 @@ class Node(object):
             csi__pb2.NodePublishVolumeRequest.SerializeToString,
             csi__pb2.NodePublishVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeUnpublishVolume(request,
@@ -781,6 +801,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -789,7 +810,7 @@ class Node(object):
             csi__pb2.NodeUnpublishVolumeRequest.SerializeToString,
             csi__pb2.NodeUnpublishVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeGetVolumeStats(request,
@@ -797,6 +818,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -805,7 +827,7 @@ class Node(object):
             csi__pb2.NodeGetVolumeStatsRequest.SerializeToString,
             csi__pb2.NodeGetVolumeStatsResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeExpandVolume(request,
@@ -813,6 +835,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -821,7 +844,7 @@ class Node(object):
             csi__pb2.NodeExpandVolumeRequest.SerializeToString,
             csi__pb2.NodeExpandVolumeResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeGetCapabilities(request,
@@ -829,6 +852,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -837,7 +861,7 @@ class Node(object):
             csi__pb2.NodeGetCapabilitiesRequest.SerializeToString,
             csi__pb2.NodeGetCapabilitiesResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
     @staticmethod
     def NodeGetInfo(request,
@@ -845,6 +869,7 @@ class Node(object):
             options=(),
             channel_credentials=None,
             call_credentials=None,
+            insecure=False,
             compression=None,
             wait_for_ready=None,
             timeout=None,
@@ -853,4 +878,4 @@ class Node(object):
             csi__pb2.NodeGetInfoRequest.SerializeToString,
             csi__pb2.NodeGetInfoResponse.FromString,
             options, channel_credentials,
-            call_credentials, compression, wait_for_ready, timeout, metadata)
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/protos/csi.proto b/protos/csi.proto
index cf22104..f2ba8b9 100644
--- a/protos/csi.proto
+++ b/protos/csi.proto
@@ -395,6 +395,19 @@ message VolumeCapability {
     // to untrusted entities. The total size of this repeated field
     // SHALL NOT exceed 4 KiB.
     repeated string mount_flags = 2;
+
+    // If SP has VOLUME_MOUNT_GROUP node capability and CO provides
+    // this field then SP MUST ensure that the volume_mount_group
+    // parameter is passed as the group identifier to the underlying
+    // operating system mount system call, with the understanding
+    // that the set of available mount call parameters and/or
+    // mount implementations may vary across operating systems.
+    // Additionally, new file and/or directory entries written to
+    // the underlying filesystem SHOULD be permission-labeled in such a
+    // manner, unless otherwise modified by a workload, that they are
+    // both readable and writable by said mount group identifier.
+    // This is an OPTIONAL field.
+    string volume_mount_group = 3 [(alpha_field) = true];
   }
 
   // Specify how a volume can be accessed.
@@ -420,6 +433,18 @@ message VolumeCapability {
       // Can be published as read/write at multiple nodes
       // simultaneously.
       MULTI_NODE_MULTI_WRITER = 5;
+
+      // Can only be published once as read/write at a single workload
+      // on a single node, at any given time. SHOULD be used instead of
+      // SINGLE_NODE_WRITER for COs using the experimental
+      // SINGLE_NODE_MULTI_WRITER capability.
+      SINGLE_NODE_SINGLE_WRITER = 6 [(alpha_enum_value) = true];
+
+      // Can be published as read/write at multiple workloads on a
+      // single node simultaneously. SHOULD be used instead of
+      // SINGLE_NODE_WRITER for COs using the experimental
+      // SINGLE_NODE_MULTI_WRITER capability.
+      SINGLE_NODE_MULTI_WRITER = 7 [(alpha_enum_value) = true];
     }
 
     // This field is REQUIRED.
@@ -947,6 +972,42 @@ message GetCapacityResponse {
   // storage. This field is REQUIRED.
   // The value of this field MUST NOT be negative.
   int64 available_capacity = 1;
+
+  // The largest size that may be used in a
+  // CreateVolumeRequest.capacity_range.required_bytes field
+  // to create a volume with the same parameters as those in
+  // GetCapacityRequest.
+  //
+  // If `volume_capabilities` or `parameters` is
+  // specified in the request, the Plugin SHALL take those into
+  // consideration when calculating the minimum volume size of the
+  // storage.
+  //
+  // This field is OPTIONAL. MUST NOT be negative.
+  // The Plugin SHOULD provide a value for this field if it has
+  // a maximum size for individual volumes and leave it unset
+  // otherwise. COs MAY use it to make decision about
+  // where to create volumes.
+  google.protobuf.Int64Value maximum_volume_size = 2
+    [(alpha_field) = true];
+
+  // The smallest size that may be used in a
+  // CreateVolumeRequest.capacity_range.limit_bytes field
+  // to create a volume with the same parameters as those in
+  // GetCapacityRequest.
+  //
+  // If `volume_capabilities` or `parameters` is
+  // specified in the request, the Plugin SHALL take those into
+  // consideration when calculating the maximum volume size of the
+  // storage.
+  //
+  // This field is OPTIONAL. MUST NOT be negative.
+  // The Plugin SHOULD provide a value for this field if it has
+  // a minimum size for individual volumes and leave it unset
+  // otherwise. COs MAY use it to make decision about
+  // where to create volumes.
+  google.protobuf.Int64Value minimum_volume_size = 3
+    [(alpha_field) = true];
 }
 message ControllerGetCapabilitiesRequest {
   // Intentionally empty.
@@ -1008,6 +1069,16 @@ message ControllerServiceCapability {
       // This enables COs to, for example, fetch per volume
       // condition after a volume is provisioned.
       GET_VOLUME = 12 [(alpha_enum_value) = true];
+
+      // Indicates the SP supports the SINGLE_NODE_SINGLE_WRITER and/or
+      // SINGLE_NODE_MULTI_WRITER access modes.
+      // These access modes are intended to replace the
+      // SINGLE_NODE_WRITER access mode to clarify the number of writers
+      // for a volume on a single node. Plugins MUST accept and allow
+      // use of the SINGLE_NODE_WRITER access mode when either
+      // SINGLE_NODE_SINGLE_WRITER and/or SINGLE_NODE_MULTI_WRITER are
+      // supported, in order to permit older COs to continue working.
+      SINGLE_NODE_MULTI_WRITER = 13 [(alpha_enum_value) = true];
     }
 
     Type type = 1;
@@ -1206,6 +1277,10 @@ message NodeStageVolumeRequest {
   // CO SHALL be responsible for creating the directory if it does not
   // exist.
   // This is a REQUIRED field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string staging_target_path = 3;
 
   // Volume capability describing how the CO intends to use this volume.
@@ -1236,6 +1311,10 @@ message NodeUnstageVolumeRequest {
   // The path at which the volume was staged. It MUST be an absolute
   // path in the root filesystem of the process serving this request.
   // This is a REQUIRED field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string staging_target_path = 2;
 }
 
@@ -1259,6 +1338,10 @@ message NodePublishVolumeRequest {
   // It MUST be set if the Node Plugin implements the
   // `STAGE_UNSTAGE_VOLUME` node capability.
   // This is an OPTIONAL field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string staging_target_path = 3;
 
   // The path to which the volume will be published. It MUST be an
@@ -1273,6 +1356,10 @@ message NodePublishVolumeRequest {
   // mounted directory at target_path.
   // Creation of target_path is the responsibility of the SP.
   // This is a REQUIRED field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string target_path = 4;
 
   // Volume capability describing how the CO intends to use this volume.
@@ -1308,6 +1395,10 @@ message NodeUnpublishVolumeRequest {
   // path in the root filesystem of the process serving this request.
   // The SP MUST delete the file or directory it created at this path.
   // This is a REQUIRED field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string target_path = 2;
 }
 
@@ -1323,6 +1414,10 @@ message NodeGetVolumeStatsRequest {
   // It MUST be an absolute path in the root filesystem of
   // the process serving this request.
   // This is a REQUIRED field.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string volume_path = 2;
 
   // The path where the volume is staged, if the plugin has the
@@ -1330,6 +1425,10 @@ message NodeGetVolumeStatsRequest {
   // If not empty, it MUST be an absolute path in the root
   // filesystem of the process serving this request.
   // This field is OPTIONAL.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string staging_target_path = 3;
 }
 
@@ -1412,6 +1511,22 @@ message NodeServiceCapability {
       // Note that, for alpha, `VolumeCondition` is intended to be
       // informative for humans only, not for automation.
       VOLUME_CONDITION = 4 [(alpha_enum_value) = true];
+
+      // Indicates the SP supports the SINGLE_NODE_SINGLE_WRITER and/or
+      // SINGLE_NODE_MULTI_WRITER access modes.
+      // These access modes are intended to replace the
+      // SINGLE_NODE_WRITER access mode to clarify the number of writers
+      // for a volume on a single node. Plugins MUST accept and allow
+      // use of the SINGLE_NODE_WRITER access mode (subject to the
+      // processing rules for NodePublishVolume), when either
+      // SINGLE_NODE_SINGLE_WRITER and/or SINGLE_NODE_MULTI_WRITER are
+      // supported, in order to permit older COs to continue working.
+      SINGLE_NODE_MULTI_WRITER = 5 [(alpha_enum_value) = true];
+
+      // Indicates that Node service supports mounting volumes
+      // with provided volume group identifier during node stage
+      // or node publish RPC calls.
+      VOLUME_MOUNT_GROUP = 6 [(alpha_enum_value) = true];
     }
 
     Type type = 1;
@@ -1434,6 +1549,10 @@ message NodeGetInfoResponse {
   // `ControllerPublishVolume`, to refer to this node.
   // The SP is NOT responsible for global uniqueness of node_id across
   // multiple SPs.
+  // This field overrides the general CSI size limit.
+  // The size of this field SHALL NOT exceed 256 bytes. The general
+  // CSI size limit, 128 byte, is RECOMMENDED for best backwards
+  // compatibility.
   string node_id = 1;
 
   // Maximum number of volumes that controller can publish to the node.
@@ -1467,6 +1586,10 @@ message NodeExpandVolumeRequest {
   string volume_id = 1;
 
   // The path on which volume is available. This field is REQUIRED.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string volume_path = 2;
 
   // This allows CO to specify the capacity requirements of the volume
@@ -1482,6 +1605,10 @@ message NodeExpandVolumeRequest {
   // If not empty, it MUST be an absolute path in the root
   // filesystem of the process serving this request.
   // This field is OPTIONAL.
+  // This field overrides the general CSI size limit.
+  // SP SHOULD support the maximum path length allowed by the operating
+  // system/filesystem, but, at a minimum, SP MUST accept a max path
+  // length of at least 128 bytes.
   string staging_target_path = 4;
 
   // Volume capability describing how the CO intends to use this volume.
@@ -1494,6 +1621,12 @@ message NodeExpandVolumeRequest {
   // access_type from given volume_path for the volume and perform
   // node expansion. This is an OPTIONAL field.
   VolumeCapability volume_capability = 5;
+
+  // Secrets required by plugin to complete node expand volume request.
+  // This field is OPTIONAL. Refer to the `Secrets Requirements`
+  // section on how to use this field.
+  map<string, string> secrets = 6
+    [(csi_secret) = true, (alpha_field) = true];
 }
 
 message NodeExpandVolumeResponse {