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Feature/import etag and mtime (#299)
* move share import implementation to pkg * import file metadata Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // Copyright 2018-2019 CERN | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // In applying this license, CERN does not waive the privileges and immunities | ||
| // granted to it by virtue of its status as an Intergovernmental Organization | ||
| // or submit itself to any jurisdiction. | ||
|
|
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| package migrate | ||
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|
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| import ( | ||
| "bufio" | ||
| "context" | ||
| "encoding/json" | ||
| "log" | ||
| "os" | ||
| "path" | ||
| "strconv" | ||
|
|
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| gatewayv0alphapb "github.com/cs3org/go-cs3apis/cs3/gateway/v0alpha" | ||
| rpcpb "github.com/cs3org/go-cs3apis/cs3/rpc" | ||
| storageproviderv0alphapb "github.com/cs3org/go-cs3apis/cs3/storageprovider/v0alpha" | ||
| ) | ||
|
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| // metaData representation in the import data | ||
| type metaData struct { | ||
| Type string `json:"type"` | ||
| Path string `json:"path"` | ||
| Etag string `json:"eTag"` | ||
| Permissions int `json:"permissions"` | ||
| MTime int `json:"mtime"` | ||
| } | ||
|
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| //ImportMetadata from a files.jsonl file in exportPath. The files must already be present on the storage | ||
| //Will set etag and mtime | ||
| func ImportMetadata(ctx context.Context, client gatewayv0alphapb.GatewayServiceClient, exportPath string) error { | ||
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| filesJSONL, err := os.Open(path.Join(exportPath, "files.jsonl")) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer filesJSONL.Close() | ||
| jsonLines := bufio.NewScanner(filesJSONL) | ||
|
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| for jsonLines.Scan() { | ||
| var fileData metaData | ||
| if err := json.Unmarshal(jsonLines.Bytes(), &fileData); err != nil { | ||
| log.Fatal(err) | ||
| return err | ||
| } | ||
|
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| m := make(map[string]string) | ||
| if fileData.Etag != "" { | ||
| // TODO sanitize etag? eg double quotes at beginning and end? | ||
| m["etag"] = fileData.Etag | ||
| } | ||
| if fileData.MTime != 0 { | ||
| m["mtime"] = strconv.Itoa(fileData.MTime) | ||
| } | ||
| //TODO permissions? is done via share? but this is owner permissions | ||
|
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| if len(m) > 0 { | ||
| resourcePath := path.Join("/", path.Base(exportPath), fileData.Path) | ||
| samReq := &storageproviderv0alphapb.SetArbitraryMetadataRequest{ | ||
| Ref: &storageproviderv0alphapb.Reference{ | ||
| Spec: &storageproviderv0alphapb.Reference_Path{Path: resourcePath}, | ||
| }, | ||
| ArbitraryMetadata: &storageproviderv0alphapb.ArbitraryMetadata{ | ||
| Metadata: m, | ||
| }, | ||
| } | ||
| samResp, err := client.SetArbitraryMetadata(ctx, samReq) | ||
|
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| if samResp.Status.Code == rpcpb.Code_CODE_NOT_FOUND { | ||
| log.Print("File does not exist on target system, skipping metadata import: " + resourcePath) | ||
| } else if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } else { | ||
| log.Print("no etag or mtime for : " + fileData.Path) | ||
| } | ||
|
|
||
| } | ||
| return nil | ||
| } |
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