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log search: return zip instead of tar or gzip (#724)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // Copyright 2020 PingCAP, Inc. | ||
| // | ||
| // 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package utils | ||
|
|
||
| import ( | ||
| "archive/zip" | ||
| "io" | ||
| "os" | ||
| ) | ||
|
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| func StreamZipPack(w io.Writer, files []string, needCompress bool) error { | ||
| pack := zip.NewWriter(w) | ||
| defer pack.Close() | ||
|
|
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| for _, file := range files { | ||
| err := streamZipFile(pack, file, needCompress) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
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| func streamZipFile(zipPack *zip.Writer, file string, needCompress bool) error { | ||
| f, err := os.Open(file) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer f.Close() | ||
|
|
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| fileInfo, err := f.Stat() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| zipMethod := zip.Store // no compress | ||
| if needCompress { | ||
| zipMethod = zip.Deflate // compress | ||
| } | ||
| zipFile, err := zipPack.CreateHeader(&zip.FileHeader{ | ||
| Name: fileInfo.Name(), | ||
| Method: zipMethod, | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| _, err = io.Copy(zipFile, f) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| return nil | ||
| } |