Fix container parallel upload bugs (go-gitea#32022)

This PR should be replaced by go-gitea#31860 in v1.23. The aim of creating this
PR is to fix it in 1.22 because globallock hasn't been introduced.

Fix go-gitea#27640
Fix go-gitea#29563
Fix go-gitea#31215

Author: lunny

routers/api/packages/container/blob.go

@@ -10,23 +10,29 @@ import (
 	"fmt"
 	"os"
 	"strings"
-	"sync"
 
 	"code.gitea.io/gitea/models/db"
 	packages_model "code.gitea.io/gitea/models/packages"
 	container_model "code.gitea.io/gitea/models/packages/container"
+	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/log"
 	packages_module "code.gitea.io/gitea/modules/packages"
 	container_module "code.gitea.io/gitea/modules/packages/container"
+	"code.gitea.io/gitea/modules/sync"
 	"code.gitea.io/gitea/modules/util"
 	packages_service "code.gitea.io/gitea/services/packages"
 )
 
-var uploadVersionMutex sync.Mutex
+// TODO: use clustered lock
+var uploadVersionMutex = sync.NewExclusivePool()
 
 // saveAsPackageBlob creates a package blob from an upload
 // The uploaded blob gets stored in a special upload version to link them to the package/image
 func saveAsPackageBlob(ctx context.Context, hsr packages_module.HashedSizeReader, pci *packages_service.PackageCreationInfo) (*packages_model.PackageBlob, error) {
+	pkgPath := pci.PackageInfo.Owner.LowerName + "/" + pci.PackageInfo.Name
+	uploadVersionMutex.CheckIn(pkgPath)
+	defer uploadVersionMutex.CheckOut(pkgPath)
+
 	pb := packages_service.NewPackageBlob(hsr)
 
 	exists := false
@@ -80,6 +86,10 @@ func saveAsPackageBlob(ctx context.Context, hsr packages_module.HashedSizeReader
 
 // mountBlob mounts the specific blob to a different package
 func mountBlob(ctx context.Context, pi *packages_service.PackageInfo, pb *packages_model.PackageBlob) error {
+	pkgPath := pi.Owner.LowerName + "/" + pi.Name
+	uploadVersionMutex.CheckIn(pkgPath)
+	defer uploadVersionMutex.CheckOut(pkgPath)
+
 	uploadVersion, err := getOrCreateUploadVersion(ctx, pi)
 	if err != nil {
 		return err
@@ -93,9 +103,6 @@ func mountBlob(ctx context.Context, pi *packages_service.PackageInfo, pb *packag
 func getOrCreateUploadVersion(ctx context.Context, pi *packages_service.PackageInfo) (*packages_model.PackageVersion, error) {
 	var uploadVersion *packages_model.PackageVersion
 
-	// FIXME: Replace usage of mutex with database transaction
-	// https://github.com/go-gitea/gitea/pull/21862
-	uploadVersionMutex.Lock()
 	err := db.WithTx(ctx, func(ctx context.Context) error {
 		created := true
 		p := &packages_model.Package{
@@ -140,7 +147,6 @@ func getOrCreateUploadVersion(ctx context.Context, pi *packages_service.PackageI
 
 		return nil
 	})
-	uploadVersionMutex.Unlock()
 
 	return uploadVersion, err
 }
@@ -172,10 +178,14 @@ func createFileForBlob(ctx context.Context, pv *packages_model.PackageVersion, p
 	return nil
 }
 
-func deleteBlob(ctx context.Context, ownerID int64, image, digest string) error {
+func deleteBlob(ctx context.Context, owner *user_model.User, image, digest string) error {
+	pkgPath := owner.LowerName + "/" + image
+	uploadVersionMutex.CheckIn(pkgPath)
+	defer uploadVersionMutex.CheckOut(pkgPath)
+
 	return db.WithTx(ctx, func(ctx context.Context) error {
 		pfds, err := container_model.GetContainerBlobs(ctx, &container_model.BlobSearchOptions{
-			OwnerID: ownerID,
+			OwnerID: owner.ID,
 			Image:   image,
 			Digest:  digest,
 		})

routers/api/packages/container/container.go

@@ -24,6 +24,7 @@ import (
 	packages_module "code.gitea.io/gitea/modules/packages"
 	container_module "code.gitea.io/gitea/modules/packages/container"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/sync"
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/routers/api/packages/helper"
 	auth_service "code.gitea.io/gitea/services/auth"
@@ -540,7 +541,7 @@ func DeleteBlob(ctx *context.Context) {
 		return
 	}
 
-	if err := deleteBlob(ctx, ctx.Package.Owner.ID, ctx.Params("image"), d); err != nil {
+	if err := deleteBlob(ctx, ctx.Package.Owner, ctx.Params("image"), d); err != nil {
 		apiError(ctx, http.StatusInternalServerError, err)
 		return
 	}
@@ -550,6 +551,9 @@ func DeleteBlob(ctx *context.Context) {
 	})
 }
 
+// TODO: use clustered lock
+var lockManifest = sync.NewExclusivePool()
+
 // https://github.com/opencontainers/distribution-spec/blob/main/spec.md#pushing-manifests
 func UploadManifest(ctx *context.Context) {
 	reference := ctx.Params("reference")
@@ -581,6 +585,10 @@ func UploadManifest(ctx *context.Context) {
 		return
 	}
 
+	imagePath := ctx.Package.Owner.Name + "/" + ctx.Params("image")
+	lockManifest.CheckIn(imagePath)
+	defer lockManifest.CheckOut(imagePath)
+
 	digest, err := processManifest(ctx, mci, buf)
 	if err != nil {
 		var namedError *namedError
@@ -679,6 +687,10 @@ func DeleteManifest(ctx *context.Context) {
 		return
 	}
 
+	imagePath := ctx.Package.Owner.Name + "/" + ctx.Params("image")
+	lockManifest.CheckIn(imagePath)
+	defer lockManifest.CheckOut(imagePath)
+
 	pvs, err := container_model.GetManifestVersions(ctx, opts)
 	if err != nil {
 		apiError(ctx, http.StatusInternalServerError, err)