fix(quota): allowed to put blob which size is zero (#11314)

Closes #11239

Signed-off-by: He Weiwei <hweiwei@vmware.com>

src/controller/blob/controller.go

@@ -305,6 +305,10 @@ func (c *controller) GetAcceptedBlobSize(sessionID string) (int64, error) {
 	key := fmt.Sprintf("upload:%s:size", sessionID)
 	size, err := redis.Int64(conn.Do("GET", key))
 	if err != nil {
+		if err == redis.ErrNil {
+			return 0, nil
+		}
+
 		return 0, err
 	}
 

src/controller/blob/controller_test.go

@@ -257,7 +257,8 @@ func (suite *ControllerTestSuite) TestGetSetAcceptedBlobSize() {
 	sessionID := uuid.New().String()
 
 	size, err := Ctl.GetAcceptedBlobSize(sessionID)
-	suite.NotNil(err)
+	suite.Nil(err)
+	suite.Equal(int64(0), size)
 
 	suite.Nil(Ctl.SetAcceptedBlobSize(sessionID, 100))
 

src/server/middleware/quota/put_blob_upload.go

@@ -44,6 +44,11 @@ func putBlobUploadResources(r *http.Request, reference, referenceID string) (typ
 		return nil, err
 	}
 
+	if size == 0 {
+		logger.Debug("blob size is 0")
+		return nil, nil
+	}
+
 	projectID, _ := strconv.ParseInt(referenceID, 10, 64)
 
 	digest := r.URL.Query().Get("digest")

src/server/middleware/quota/put_blob_upload_test.go

@@ -15,8 +15,10 @@
 package quota
 
 import (
+	"fmt"
 	"net/http"
 	"net/http/httptest"
+	"strconv"
 	"testing"
 
 	"github.com/goharbor/harbor/src/pkg/types"
@@ -26,29 +28,61 @@ import (
 
 type PutBlobUploadMiddlewareTestSuite struct {
 	RequestMiddlewareTestSuite
+
+	handler http.Handler
 }
 
-func (suite *PutBlobUploadMiddlewareTestSuite) TestMiddleware() {
-	mock.OnAnything(suite.quotaController, "IsEnabled").Return(true, nil)
+func (suite *PutBlobUploadMiddlewareTestSuite) SetupTest() {
+	suite.RequestMiddlewareTestSuite.SetupTest()
 
 	next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusOK)
 	})
 
+	suite.handler = PutBlobUploadMiddleware()(next)
+
+	mock.OnAnything(suite.quotaController, "IsEnabled").Return(true, nil)
+}
+
+func (suite *PutBlobUploadMiddlewareTestSuite) makeRequest(contentLength int) *http.Request {
 	url := "/v2/library/photon/blobs/uploads/cbabe458-28a1-4e1b-ad15-0cb0229df4e8?digest=sha256:57c2ec3bf82f09c94be2e5c5beb124b86fcbb42e76fb82c99066c054422010e4"
-
-	{
-		mock.OnAnything(suite.blobController, "Exist").Return(true, nil).Once()
-
 	req := httptest.NewRequest(http.MethodPut, url, nil)
-		req.Header.Set("Content-Length", "100")
+	req.Header.Set("Content-Length", strconv.Itoa(contentLength))
+
+	return req
+}
+
+func (suite *PutBlobUploadMiddlewareTestSuite) TestBlobSizeIsZero() {
+	mock.OnAnything(suite.blobController, "GetAcceptedBlobSize").Return(int64(0), nil)
+
+	req := suite.makeRequest(0)
 	rr := httptest.NewRecorder()
 
-		PutBlobUploadMiddleware()(next).ServeHTTP(rr, req)
+	suite.handler.ServeHTTP(rr, req)
 	suite.Equal(http.StatusOK, rr.Code)
-	}
+}
 
-	{
+func (suite *PutBlobUploadMiddlewareTestSuite) TestGetAcceptedBlobSizeFailed() {
+	mock.OnAnything(suite.blobController, "GetAcceptedBlobSize").Return(int64(0), fmt.Errorf("error"))
+
+	req := suite.makeRequest(0)
+	rr := httptest.NewRecorder()
+
+	suite.handler.ServeHTTP(rr, req)
+	suite.Equal(http.StatusInternalServerError, rr.Code)
+}
+
+func (suite *PutBlobUploadMiddlewareTestSuite) TestBlobExist() {
+	mock.OnAnything(suite.blobController, "Exist").Return(true, nil)
+
+	req := suite.makeRequest(100)
+	rr := httptest.NewRecorder()
+
+	suite.handler.ServeHTTP(rr, req)
+	suite.Equal(http.StatusOK, rr.Code)
+}
+
+func (suite *PutBlobUploadMiddlewareTestSuite) TestBlobNotExist() {
 	mock.OnAnything(suite.blobController, "Exist").Return(false, nil).Once()
 	mock.OnAnything(suite.quotaController, "Request").Return(nil).Once().Run(func(args mock.Arguments) {
 		resources := args.Get(3).(types.ResourceList)
@@ -59,13 +93,21 @@ func (suite *PutBlobUploadMiddlewareTestSuite) TestMiddleware() {
 		f()
 	})
 
-		req := httptest.NewRequest(http.MethodPut, url, nil)
-		req.Header.Set("Content-Length", "100")
+	req := suite.makeRequest(100)
 	rr := httptest.NewRecorder()
 
-		PutBlobUploadMiddleware()(next).ServeHTTP(rr, req)
+	suite.handler.ServeHTTP(rr, req)
 	suite.Equal(http.StatusOK, rr.Code)
-	}
+}
+
+func (suite *PutBlobUploadMiddlewareTestSuite) TestBlobExistFailed() {
+	mock.OnAnything(suite.blobController, "Exist").Return(false, fmt.Errorf("error"))
+
+	req := suite.makeRequest(100)
+	rr := httptest.NewRecorder()
+
+	suite.handler.ServeHTTP(rr, req)
+	suite.Equal(http.StatusInternalServerError, rr.Code)
 }
 
 func TestPutBlobUploadMiddlewareTestSuite(t *testing.T) {

src/server/middleware/quota/quota.go

@@ -83,7 +83,7 @@ func RequestMiddleware(config RequestConfig, skippers ...middleware.Skipper) fun
 
 		if !enabled {
 			// quota is disabled for the reference object, so direct to next handler
-			logger.Infof("quota is disabled for %s %s, so direct to next handler", reference, referenceID)
+			logger.Debugf("quota is disabled for %s %s, so direct to next handler", reference, referenceID)
 			next.ServeHTTP(w, r)
 			return
 		}
@@ -98,7 +98,7 @@ func RequestMiddleware(config RequestConfig, skippers ...middleware.Skipper) fun
 
 		if len(resources) == 0 {
 			// no resources request for this http request, so direct to next handler
-			logger.Info("no resources request for this http request, so direct to next handler")
+			logger.Debug("no resources request for this http request, so direct to next handler")
 			next.ServeHTTP(w, r)
 			return
 		}
@@ -206,7 +206,7 @@ func RefreshMiddleware(config RefreshConfig, skipers ...middleware.Skipper) func
 		}
 
 		if !enabled {
-			logger.Infof("quota is disabled for %s %s, so return directly", reference, referenceID)
+			logger.Debugf("quota is disabled for %s %s, so return directly", reference, referenceID)
 			return nil
 		}