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add etag only for PUT or large chunked uploads

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This commit is contained in:
Chris Lu
2020-04-08 09:13:26 -07:00
parent ec2eb8bc48
commit dc08e4098f
3 changed files with 20 additions and 5 deletions
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13
weed/server/filer_server_handlers_write.go
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@@ -220,8 +220,13 @@ func (fs *FilerServer) uploadToVolumeServer(r *http.Request, u *url.URL, auth se
defer func() { stats.FilerRequestHistogram.WithLabelValues("postUpload").Observe(time.Since(start).Seconds()) }()
ret = &operation.UploadResult{}
md5Hash := md5.New()
var body = ioutil.NopCloser(io.TeeReader(r.Body, md5Hash))
body := r.Body
if r.Method == "PUT" {
// only PUT or large chunked files has Md5 in attributes
body = ioutil.NopCloser(io.TeeReader(r.Body, md5Hash))
}
request := &http.Request{
Method: r.Method,
@@ -286,8 +291,10 @@ func (fs *FilerServer) uploadToVolumeServer(r *http.Request, u *url.URL, auth se
}
}
// use filer calculated md5 ETag, instead of the volume server crc ETag
md5value = md5Hash.Sum(nil)
ret.ETag = fmt.Sprintf("%x", md5value)
if r.Method == "PUT" {
md5value = md5Hash.Sum(nil)
}
ret.ETag = getEtag(resp)
return
}

8
weed/server/volume_server_handlers_write.go
View File

@@ -166,3 +166,11 @@ func setEtag(w http.ResponseWriter, etag string) {
}
}
}
func getEtag(resp *http.Response) (etag string){
etag = resp.Header.Get("ETag")
if strings.HasPrefix(etag, "\"") && strings.HasSuffix(etag, "\""){
return etag[1:len(etag)-1]
}
return
}