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Move the ObjectAPI() resource to be beginning of each handlers.

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We should return back proper errors so that the clients can
retry until server has been initialized.
This commit is contained in:
Harshavardhana
2016-08-10 18:47:49 -07:00
parent b0f3f94163
commit 4917038f55
6 changed files with 171 additions and 118 deletions
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cmd/object-handlers.go
+62 -51
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@@ -84,6 +84,13 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
bucket = vars["bucket"]
object = vars["object"]
// Fetch object stat info.
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -101,12 +108,6 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
return
}
}
// Fetch object stat info.
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
objInfo, err := objectAPI.GetObjectInfo(bucket, object)
if err != nil {
errorIf(err, "Unable to fetch object info.")
@@ -195,6 +196,12 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
bucket = vars["bucket"]
object = vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -213,11 +220,6 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
}
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
objInfo, err := objectAPI.GetObjectInfo(bucket, object)
if err != nil {
errorIf(err, "Unable to fetch object info.")
@@ -250,6 +252,12 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -299,11 +307,6 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
return
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
objInfo, err := objectAPI.GetObjectInfo(sourceBucket, sourceObject)
if err != nil {
errorIf(err, "Unable to fetch object info.")
@@ -389,6 +392,12 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
// ----------
// This implementation of the PUT operation adds an object to a bucket.
func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
// If the matching failed, it means that the X-Amz-Copy-Source was
// wrong, fail right here.
if _, ok := r.Header["X-Amz-Copy-Source"]; ok {
@@ -433,11 +442,6 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req
// Make sure we hex encode md5sum here.
metadata["md5Sum"] = hex.EncodeToString(md5Bytes)
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
var md5Sum string
switch rAuthType {
default:
@@ -505,6 +509,12 @@ func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r
bucket = vars["bucket"]
object = vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -526,11 +536,6 @@ func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r
// Extract metadata that needs to be saved.
metadata := extractMetadataFromHeader(r.Header)
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
uploadID, err := objectAPI.NewMultipartUpload(bucket, object, metadata)
if err != nil {
errorIf(err, "Unable to initiate new multipart upload id.")
@@ -552,6 +557,12 @@ func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
// get Content-Md5 sent by client and verify if valid
md5Bytes, err := checkValidMD5(r.Header.Get("Content-Md5"))
if err != nil {
@@ -599,11 +610,6 @@ func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http
return
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
var partMD5 string
incomingMD5 := hex.EncodeToString(md5Bytes)
switch rAuthType {
@@ -650,6 +656,12 @@ func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter,
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -668,11 +680,6 @@ func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter,
}
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
uploadID, _, _, _ := getObjectResources(r.URL.Query())
if err := objectAPI.AbortMultipartUpload(bucket, object, uploadID); err != nil {
errorIf(err, "Unable to abort multipart upload.")
@@ -688,6 +695,12 @@ func (api objectAPIHandlers) ListObjectPartsHandler(w http.ResponseWriter, r *ht
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -715,11 +728,6 @@ func (api objectAPIHandlers) ListObjectPartsHandler(w http.ResponseWriter, r *ht
writeErrorResponse(w, r, ErrInvalidMaxParts, r.URL.Path)
return
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
listPartsInfo, err := objectAPI.ListObjectParts(bucket, object, uploadID, partNumberMarker, maxParts)
if err != nil {
errorIf(err, "Unable to list uploaded parts.")
@@ -740,6 +748,12 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
// Get upload id.
uploadID, _, _, _ := getObjectResources(r.URL.Query())
@@ -801,12 +815,8 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
return
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
doneCh := make(chan struct{})
// Signal that completeMultipartUpload is over via doneCh
go func(doneCh chan<- struct{}) {
md5Sum, err = objectAPI.CompleteMultipartUpload(bucket, object, uploadID, completeParts)
@@ -870,6 +880,12 @@ func (api objectAPIHandlers) DeleteObjectHandler(w http.ResponseWriter, r *http.
bucket := vars["bucket"]
object := vars["object"]
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrServerNotInitialized, r.URL.Path)
return
}
switch getRequestAuthType(r) {
default:
// For all unknown auth types return error.
@@ -887,11 +903,6 @@ func (api objectAPIHandlers) DeleteObjectHandler(w http.ResponseWriter, r *http.
return
}
}
objectAPI := api.ObjectAPI()
if objectAPI == nil {
writeErrorResponse(w, r, ErrInternalError, r.URL.Path)
return
}
/// http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectDELETE.html
/// Ignore delete object errors, since we are suppposed to reply
/// only 204.