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cephfs: add SINGLE_NODE_{SINGLE/MULTI}_WRITER capability

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SINGLE_NODE_WRITER capability ambiguity has been fixed in csi spec v1.5
which allows the SP drivers to declare more granular WRITE capability.
These are not really new capabilities rather capabilities introduced to
get the desired functionality from CO side based on the capabilities SP
driver support for various CSI operations.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal 2021-08-17 11:57:01 +05:30 committed by mergify[bot]
parent 3730a462f4
commit 68350e8815
2 changed files with 11 additions and 0 deletions
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4
internal/cephfs/driver.go
View File

@ -103,10 +103,14 @@ func (fs *Driver) Run(conf *util.Config) {
csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT, csi.ControllerServiceCapability_RPC_CREATE_DELETE_SNAPSHOT,
csi.ControllerServiceCapability_RPC_EXPAND_VOLUME, csi.ControllerServiceCapability_RPC_EXPAND_VOLUME,
csi.ControllerServiceCapability_RPC_CLONE_VOLUME, csi.ControllerServiceCapability_RPC_CLONE_VOLUME,
csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
}) })
fs.cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{ fs.cd.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{
csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER, csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_MULTI_WRITER,
csi.VolumeCapability_AccessMode_SINGLE_NODE_SINGLE_WRITER,
}) })
} }
// Create gRPC servers // Create gRPC servers

7
internal/cephfs/nodeserver.go
View File

@ -388,6 +388,13 @@ func (ns *NodeServer) NodeGetCapabilities(
}, },
}, },
}, },
{
Type: &csi.NodeServiceCapability_Rpc{
Rpc: &csi.NodeServiceCapability_RPC{
Type: csi.NodeServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
},
},
},
}, },
}, nil }, nil
} }