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WIP: Add NodeFreeze/UnfreezeVolumeFilesystem Support #407

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WIP: Add NodeFreeze/UnfreezeVolumeFilesystem Support #407

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37 changes: 36 additions & 1 deletion csi.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -78,10 +78,14 @@ service Node {
rpc NodeGetVolumeStats (NodeGetVolumeStatsRequest)
returns (NodeGetVolumeStatsResponse) {}


rpc NodeExpandVolume(NodeExpandVolumeRequest)
returns (NodeExpandVolumeResponse) {}

rpc NodeFreezeVolumeFilesystem(NodeFreezeVolumeFilesystemRequest)
returns (NodeFreezeVolumeFilesystemResponse) {}

rpc NodeUnfreezeVolumeFilesystem(NodeUnfreezeVolumeFilesystemRequest)
returns (NodeUnfreezeVolumeFilesystemResponse) {}

rpc NodeGetCapabilities (NodeGetCapabilitiesRequest)
returns (NodeGetCapabilitiesResponse) {}
Expand Down Expand Up @@ -1233,6 +1237,9 @@ message NodeServiceCapability {
GET_VOLUME_STATS = 2;
// See VolumeExpansion for details.
EXPAND_VOLUME = 3;
// See NodeFreezeVolumeFilesystem and
// NodeUnfreezeVolumeFilesystem for details.
FREEZE_UNFREEZE_VOLUME_FILESYSTEM = 4;
}

Type type = 1;
Expand Down Expand Up @@ -1303,3 +1310,31 @@ message NodeExpandVolumeResponse {
// The capacity of the volume in bytes. This field is OPTIONAL.
int64 capacity_bytes = 1;
}
message NodeFreezeVolumeFilesystemRequest {
// The ID of the volume. This field is REQUIRED.
string volume_id = 1;

// It can be any valid path where volume was previously
// staged or published.
// It MUST be an absolute path in the root filesystem of
// the process serving this request.
// This is a REQUIRED field.
string volume_path = 2;
}

message NodeFreezeVolumeFilesystemResponse {
}
message NodeUnfreezeVolumeFilesystemRequest {
// The ID of the volume. This field is REQUIRED.
string volume_id = 1;

// It can be any valid path where volume was previously
// staged or published.
// It MUST be an absolute path in the root filesystem of
// the process serving this request.
// This is a REQUIRED field.
string volume_path = 2;
}

message NodeUnfreezeVolumeFilesystemResponse {
}
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