followed @chrislusf and @iliul 's suggestions. Commits is moved to branch s3-select and proxyToFiler is modified to accommodate S3 Select

This commit is contained in:
Bruce Wang 2019-11-25 22:37:30 +08:00
parent 2e07aab7ea
commit 922776151e

View file

@ -118,10 +118,15 @@ func (s3a *S3ApiServer) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *h
}
func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, destUrl string, responseFn func(proxyResonse *http.Response, w http.ResponseWriter)) {
var method string
method = r.Method
glog.V(2).Infof("s3 proxying %s to %s", r.Method, destUrl)
if r.URL.RawQuery == "select&select-type=2" {
method = "GET"
}
glog.V(2).Infof("s3 proxying %s to %s", method, destUrl)
proxyReq, err := http.NewRequest(r.Method, destUrl, r.Body)
proxyReq, err := http.NewRequest(method, destUrl, r.Body)
if err != nil {
glog.Errorf("NewRequest %s: %v", destUrl, err)
@ -237,13 +242,13 @@ func (s3a *S3ApiServer) SelectObjectContent(w http.ResponseWriter, r *http.Reque
if err != nil {
if serr, ok := err.(s3select.SelectError); ok {
encodedErrorResponse := encodeResponse(cmd.APIErrorResponse{
Code: serr.ErrorCode(),
Message: serr.ErrorMessage(),
Code: serr.ErrorCode(),
Message: serr.ErrorMessage(),
BucketName: bucket,
Key: object,
Resource: r.URL.Path,
RequestID: w.Header().Get(xhttp.AmzRequestID),
HostID: "",
Key: object,
Resource: r.URL.Path,
RequestID: w.Header().Get(xhttp.AmzRequestID),
HostID: "",
})
writeResponse(w, serr.HTTPStatusCode(), encodedErrorResponse, "application/xml")
} else {
@ -285,40 +290,5 @@ func (s3a *S3ApiServer) SelectObjectContent(w http.ResponseWriter, r *http.Reque
s3Select.Evaluate(w)
s3Select.Close()
}
s3a.proxyToFilerS3Select(w, r, destUrl, passThroughResponseSelectObjectContent)
}
func (s3a *S3ApiServer) proxyToFilerS3Select(w http.ResponseWriter, r *http.Request, destUrl string,
responseFn func(proxyResonse *http.Response, w http.ResponseWriter)) {
glog.V(2).Infof("s3 proxying %s to %s", "GET", destUrl)
proxyReq, err := http.NewRequest("GET", destUrl, nil)
if err != nil {
glog.Errorf("NewRequest %s: %v", destUrl, err)
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
proxyReq.Header.Set("Host", s3a.option.Filer)
proxyReq.Header.Set("X-Forwarded-For", r.RemoteAddr)
proxyReq.Header.Set("Etag-MD5", "True")
for header, values := range r.Header {
for _, value := range values {
proxyReq.Header.Add(header, value)
}
}
resp, postErr := client.Do(proxyReq)
if postErr != nil {
glog.Errorf("post to filer: %v", postErr)
writeErrorResponse(w, ErrInternalError, r.URL)
return
}
defer resp.Body.Close()
responseFn(resp, w)
s3a.proxyToFiler(w, r, destUrl, passThroughResponseSelectObjectContent)
}