refactor: initialize the remote helper using ctx from http request

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

src/controller/proxy/controller.go

@@ -17,8 +17,6 @@ package proxy
 import (
 	"context"
 	"fmt"
-	"github.com/goharbor/harbor/src/controller/tag"
-	proModels "github.com/goharbor/harbor/src/pkg/project/models"
 	"io"
 	"strings"
 	"sync"
@@ -29,11 +27,13 @@ import (
 	"github.com/goharbor/harbor/src/controller/artifact"
 	"github.com/goharbor/harbor/src/controller/blob"
 	"github.com/goharbor/harbor/src/controller/event/operator"
+	"github.com/goharbor/harbor/src/controller/tag"
 	"github.com/goharbor/harbor/src/lib"
 	"github.com/goharbor/harbor/src/lib/cache"
 	"github.com/goharbor/harbor/src/lib/errors"
 	"github.com/goharbor/harbor/src/lib/log"
 	"github.com/goharbor/harbor/src/lib/orm"
+	proModels "github.com/goharbor/harbor/src/pkg/project/models"
 	"github.com/opencontainers/go-digest"
 )
 
@@ -69,6 +69,7 @@ type Controller interface {
 	// EnsureTag ensure tag for digest
 	EnsureTag(ctx context.Context, art lib.ArtifactInfo, tagName string) error
 }
+
 type controller struct {
 	blobCtl         blob.Controller
 	artifactCtl     artifact.Controller
@@ -179,6 +180,7 @@ func getManifestListKey(repo, dig string) string {
 	// actual redis key format is cache:manifestlist:<repo name>:sha256:xxxx
 	return "manifestlist:" + repo + ":" + dig
 }
+
 func (c *controller) ProxyManifest(ctx context.Context, art lib.ArtifactInfo, remote RemoteInterface) (distribution.Manifest, error) {
 	var man distribution.Manifest
 	remoteRepo := getRemoteRepo(art)
@@ -227,15 +229,17 @@ func (c *controller) ProxyManifest(ctx context.Context, art lib.ArtifactInfo, re
 
 	return man, nil
 }
+
 func (c *controller) HeadManifest(ctx context.Context, art lib.ArtifactInfo, remote RemoteInterface) (bool, *distribution.Descriptor, error) {
 	remoteRepo := getRemoteRepo(art)
 	ref := getReference(art)
 	return remote.ManifestExist(remoteRepo, ref)
 }
+
 func (c *controller) ProxyBlob(ctx context.Context, p *proModels.Project, art lib.ArtifactInfo) (int64, io.ReadCloser, error) {
 	remoteRepo := getRemoteRepo(art)
 	log.Debugf("The blob doesn't exist, proxy the request to the target server, url:%v", remoteRepo)
-	rHelper, err := NewRemoteHelper(p.RegistryID)
+	rHelper, err := NewRemoteHelper(ctx, p.RegistryID)
 	if err != nil {
 		return 0, nil, err
 	}

src/controller/proxy/remote.go

@@ -15,13 +15,14 @@
 package proxy
 
 import (
+	"context"
 	"fmt"
+	"io"
+
 	"github.com/docker/distribution"
-	"github.com/goharbor/harbor/src/lib/orm"
 	"github.com/goharbor/harbor/src/pkg/reg"
 	"github.com/goharbor/harbor/src/pkg/reg/adapter"
 	"github.com/goharbor/harbor/src/pkg/reg/model"
-	"io"
 )
 
 // RemoteInterface defines operations related to remote repository under proxy
@@ -42,22 +43,22 @@ type remoteHelper struct {
 }
 
 // NewRemoteHelper create a remote interface
-func NewRemoteHelper(regID int64) (RemoteInterface, error) {
+func NewRemoteHelper(ctx context.Context, regID int64) (RemoteInterface, error) {
 	r := &remoteHelper{
 		regID:       regID,
 		registryMgr: reg.Mgr}
-	if err := r.init(); err != nil {
+	if err := r.init(ctx); err != nil {
 		return nil, err
 	}
 	return r, nil
 }
 
-func (r *remoteHelper) init() error {
+func (r *remoteHelper) init(ctx context.Context) error {
 
 	if r.registry != nil {
 		return nil
 	}
-	reg, err := r.registryMgr.Get(orm.Context(), r.regID)
+	reg, err := r.registryMgr.Get(ctx, r.regID)
 	if err != nil {
 		return err
 	}

src/server/middleware/repoproxy/proxy.go

@@ -116,7 +116,7 @@ func handleManifest(w http.ResponseWriter, r *http.Request, next http.Handler) e
 		next.ServeHTTP(w, r)
 		return nil
 	}
-	remote, err := proxy.NewRemoteHelper(p.RegistryID)
+	remote, err := proxy.NewRemoteHelper(r.Context(), p.RegistryID)
 	if err != nil {
 		return err
 	}