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| 1 | +syntax = "proto3"; |
| 2 | + |
| 3 | +package v2alpha1; |
| 4 | + |
| 5 | +option go_package = "github.com/kubernetes-csi/csi-proxy/client/api/volume/v2alpha1"; |
| 6 | + |
| 7 | +service Volume { |
| 8 | + // ListVolumesOnDisk returns the volume IDs (in \\.\Volume{GUID} format) for all volumes from a |
| 9 | + // given disk number and partition number (optional) |
| 10 | + rpc ListVolumesOnDisk(ListVolumesOnDiskRequest) returns (ListVolumesOnDiskResponse) {} |
| 11 | + |
| 12 | + // MountVolume mounts the volume at the requested global staging path. |
| 13 | + rpc MountVolume(MountVolumeRequest) returns (MountVolumeResponse) {} |
| 14 | + |
| 15 | + // UnmountVolume flushes data cache to disk and removes the global staging path. |
| 16 | + rpc UnmountVolume(UnmountVolumeRequest) returns (UnmountVolumeResponse) {} |
| 17 | + |
| 18 | + // IsVolumeFormatted checks if a volume is formatted. |
| 19 | + rpc IsVolumeFormatted(IsVolumeFormattedRequest) returns (IsVolumeFormattedResponse) {} |
| 20 | + |
| 21 | + // FormatVolume formats a volume with NTFS. |
| 22 | + rpc FormatVolume(FormatVolumeRequest) returns (FormatVolumeResponse) {} |
| 23 | + |
| 24 | + // ResizeVolume performs resizing of the partition and file system for a block based volume. |
| 25 | + rpc ResizeVolume(ResizeVolumeRequest) returns (ResizeVolumeResponse) {} |
| 26 | + |
| 27 | + // GetVolumeStats gathers total bytes and used bytes for a volume. |
| 28 | + rpc GetVolumeStats(GetVolumeStatsRequest) returns (GetVolumeStatsResponse) {} |
| 29 | + |
| 30 | + // GetDiskNumberFromVolumeID gets the disk number of the disk where the volume is located. |
| 31 | + rpc GetDiskNumberFromVolumeID(GetDiskNumberFromVolumeIDRequest) returns (GetDiskNumberFromVolumeIDResponse ) {} |
| 32 | + |
| 33 | + // GetVolumeIDFromTargetPath gets the volume id for a given target path. |
| 34 | + rpc GetVolumeIDFromTargetPath(GetVolumeIDFromTargetPathRequest) returns (GetVolumeIDFromTargetPathResponse) {} |
| 35 | + |
| 36 | + // WriteVolumeCache write volume cache to disk. |
| 37 | + rpc WriteVolumeCache(WriteVolumeCacheRequest) returns (WriteVolumeCacheResponse) {} |
| 38 | +} |
| 39 | + |
| 40 | +message ListVolumesOnDiskRequest { |
| 41 | + // Disk device number of the disk to query for volumes. |
| 42 | + uint32 disk_number = 1; |
| 43 | + // The partition number (optional), by default it uses the first partition of the disk. |
| 44 | + uint32 partition_number = 2; |
| 45 | +} |
| 46 | + |
| 47 | +message ListVolumesOnDiskResponse { |
| 48 | + // Volume device IDs of volumes on the specified disk. |
| 49 | + repeated string volume_ids = 1; |
| 50 | +} |
| 51 | + |
| 52 | +message MountVolumeRequest { |
| 53 | + // Volume device ID of the volume to mount. |
| 54 | + string volume_id = 1; |
| 55 | + // Path in the host's file system where the volume needs to be mounted. |
| 56 | + string target_path = 2; |
| 57 | +} |
| 58 | + |
| 59 | +message MountVolumeResponse { |
| 60 | + // Intentionally empty. |
| 61 | +} |
| 62 | + |
| 63 | +message UnmountVolumeRequest { |
| 64 | + // Volume device ID of the volume to dismount. |
| 65 | + string volume_id = 1; |
| 66 | + // Path where the volume has been mounted. |
| 67 | + string target_path = 2; |
| 68 | +} |
| 69 | + |
| 70 | +message UnmountVolumeResponse { |
| 71 | + // Intentionally empty. |
| 72 | +} |
| 73 | + |
| 74 | +message IsVolumeFormattedRequest { |
| 75 | + // Volume device ID of the volume to check. |
| 76 | + string volume_id = 1; |
| 77 | +} |
| 78 | + |
| 79 | +message IsVolumeFormattedResponse { |
| 80 | + // Is the volume formatted with NTFS. |
| 81 | + bool formatted = 1; |
| 82 | +} |
| 83 | + |
| 84 | +message FormatVolumeRequest { |
| 85 | + // Volume device ID of the volume to format. |
| 86 | + string volume_id = 1; |
| 87 | +} |
| 88 | + |
| 89 | +message FormatVolumeResponse { |
| 90 | + // Intentionally empty. |
| 91 | +} |
| 92 | + |
| 93 | +message ResizeVolumeRequest { |
| 94 | + // Volume device ID of the volume to resize. |
| 95 | + string volume_id = 1; |
| 96 | + // New size in bytes of the volume. |
| 97 | + int64 size_bytes = 2; |
| 98 | +} |
| 99 | + |
| 100 | +message ResizeVolumeResponse { |
| 101 | + // Intentionally empty. |
| 102 | +} |
| 103 | + |
| 104 | +message GetVolumeStatsRequest{ |
| 105 | + // Volume device Id of the volume to get the stats for. |
| 106 | + string volume_id = 1; |
| 107 | +} |
| 108 | + |
| 109 | +message GetVolumeStatsResponse{ |
| 110 | + // Total bytes |
| 111 | + int64 total_bytes = 1; |
| 112 | + // Used bytes |
| 113 | + int64 used_bytes = 2; |
| 114 | +} |
| 115 | + |
| 116 | +message GetDiskNumberFromVolumeIDRequest { |
| 117 | + // Volume device ID of the volume to get the disk number for. |
| 118 | + string volume_id = 1; |
| 119 | +} |
| 120 | + |
| 121 | +message GetDiskNumberFromVolumeIDResponse { |
| 122 | + // Corresponding disk number. |
| 123 | + uint32 disk_number = 1; |
| 124 | +} |
| 125 | + |
| 126 | +message GetVolumeIDFromTargetPathRequest { |
| 127 | + // The target path. |
| 128 | + string target_path = 1; |
| 129 | +} |
| 130 | + |
| 131 | +message GetVolumeIDFromTargetPathResponse { |
| 132 | + // The volume device ID. |
| 133 | + string volume_id = 1; |
| 134 | +} |
| 135 | + |
| 136 | +message WriteVolumeCacheRequest { |
| 137 | + // Volume device ID of the volume to flush the cache. |
| 138 | + string volume_id = 1; |
| 139 | +} |
| 140 | + |
| 141 | +message WriteVolumeCacheResponse { |
| 142 | + // Intentionally empty. |
| 143 | +} |
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