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Link PVCs and PVs in VolumeGroupSnapshot and VolumeGroupSnapshotContent
This use the update API to set `persistentVolumeClaimRef` in `VolumeGroupSnapshot` and `persistentVolumeName` in `VolumeGroupSnapshotContent` to the corresponding objects. This makes restoring volumes from a VolumeGroupSnapshot easier. Related: kubernetes-csi#969
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| ) | ||
|
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||
| // SnapshotInfo contains basic information about a volume being snapshotted | ||
| type SnapshotInfo struct { | ||
| VolumeHandle string `json:"volumeHandle"` | ||
| PVName string `json:"pvName"` | ||
| PVCName string `json:"pvcName"` | ||
| } | ||
|
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| // SnapshotInfoList contains basic information about a set of volumes being snapshotted | ||
| type SnapshotInfoList []SnapshotInfo | ||
|
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| // ToJSON serizalizes to JSON a set of SnapshotInfo | ||
| func (data SnapshotInfoList) ToJSON() (string, error) { | ||
| result, err := json.Marshal(data) | ||
| if err != nil { | ||
| err = fmt.Errorf("while serializing SnapshotInfoList: %w", err) | ||
| } | ||
| return string(result), err | ||
| } | ||
|
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| // SnapshotInfoFromJSON deserializes from JSON a set of snapshot info | ||
| func SnapshotInfoFromJSON(content string) (SnapshotInfoList, error) { | ||
| var result SnapshotInfoList | ||
|
|
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| err := json.Unmarshal([]byte(content), &result) | ||
| if err != nil { | ||
| err = fmt.Errorf("while de-serializing SnapshotInfoList: %w", err) | ||
| } | ||
|
|
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| return result, err | ||
| } | ||
|
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| // GetFromVolumeHandle gets the entry from the list corresponding to a certain | ||
| // volume handle. Returns an empty SnapshotInfo if there is no such entry | ||
| func (data SnapshotInfoList) GetFromVolumeHandle(volumeHandle string) SnapshotInfo { | ||
| for i := range data { | ||
| if data[i].VolumeHandle == volumeHandle { | ||
| return data[i] | ||
| } | ||
| } | ||
|
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| return SnapshotInfo{} | ||
| } | ||
|
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| // GetFromPVName gets the entry from the list corresponding to a certain | ||
| // PV name. Returns an empty SnapshotInfo if there is no such entry | ||
| func (data SnapshotInfoList) GetFromPVName(pvName string) SnapshotInfo { | ||
| for i := range data { | ||
| if data[i].PVName == pvName { | ||
| return data[i] | ||
| } | ||
| } | ||
|
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| return SnapshotInfo{} | ||
| } |
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