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Fix #12487: Proxy cache create duplicated operation log

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Change method UseLocalManifest to avoid pull manifest frequently

Signed-off-by: stonezdj <stonezdj@gmail.com>
This commit is contained in:
stonezdj 2020-07-16 18:52:45 +08:00
parent e8f9fb63c0
commit aa8b3a1343
6 changed files with 154 additions and 57 deletions
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43
src/controller/proxy/controller.go
View File

@ -30,8 +30,7 @@ import (
"github.com/goharbor/harbor/src/lib"
"github.com/goharbor/harbor/src/lib/errors"
"github.com/goharbor/harbor/src/lib/log"
"github.com/goharbor/harbor/src/replication/registry"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/image-spec/specs-go/v1"
)
const (
@ -52,7 +51,7 @@ type Controller interface {
// UseLocalBlob check if the blob should use local copy
UseLocalBlob(ctx context.Context, art lib.ArtifactInfo) bool
// UseLocalManifest check manifest should use local copy
UseLocalManifest(ctx context.Context, art lib.ArtifactInfo) bool
UseLocalManifest(ctx context.Context, art lib.ArtifactInfo) (bool, error)
// ProxyBlob proxy the blob request to the remote server, p is the proxy project
// art is the ArtifactInfo which includes the digest of the blob
ProxyBlob(ctx context.Context, p *models.Project, art lib.ArtifactInfo) (int64, io.ReadCloser, error)
@ -62,7 +61,6 @@ type Controller interface {
}
type controller struct {
blobCtl blob.Controller
registryMgr registry.Manager
artifactCtl artifact.Controller
local localInterface
}
@ -74,7 +72,6 @@ func ControllerInstance() Controller {
once.Do(func() {
ctl = &controller{
blobCtl: blob.Ctl,
registryMgr: registry.NewDefaultManager(),
artifactCtl: artifact.Ctl,
local: newLocalHelper(),
}
@ -94,22 +91,23 @@ func (c *controller) UseLocalBlob(ctx context.Context, art lib.ArtifactInfo) boo
return exist
}
func (c *controller) UseLocalManifest(ctx context.Context, art lib.ArtifactInfo) bool {
func (c *controller) UseLocalManifest(ctx context.Context, art lib.ArtifactInfo) (bool, error) {
if len(art.Digest) == 0 {
return false
return false, nil
}
return c.local.ManifestExist(ctx, art)
a, err := c.local.GetManifest(ctx, art)
return a != nil, err
}
func (c *controller) ProxyManifest(ctx context.Context, p *models.Project, art lib.ArtifactInfo) (distribution.Manifest, error) {
var man distribution.Manifest
remoteRepo := getRemoteRepo(art)
r, err := newRemoteHelper(p.RegistryID)
ref := getReference(art)
remote, err := newRemoteHelper(p.RegistryID)
if err != nil {
return man, err
}
ref := getReference(art)
man, err = r.Manifest(remoteRepo, ref)
man, dig, err := remote.Manifest(remoteRepo, ref)
if err != nil {
if errors.IsNotFoundErr(err) {
go func() {
@ -124,7 +122,26 @@ func (c *controller) ProxyManifest(ctx context.Context, p *models.Project, art l
}
// Push manifest in background
go func() {
c.waitAndPushManifest(ctx, remoteRepo, man, art, ct, r)
a, err := c.local.GetManifest(ctx, art)
if err != nil {
log.Errorf("failed to get manifest, error %v", err)
}
// Push manifest to local when pull with digest, or artifact not found, or digest mismatch
if len(art.Tag) == 0 || a == nil || a.Digest != dig {
// pull with digest
c.waitAndPushManifest(ctx, remoteRepo, man, art, ct, remote)
}
// Query artifact after push
if a == nil {
a, err = c.local.GetManifest(ctx, art)
if err != nil {
log.Errorf("failed to get manifest, error %v", err)
}
}
if a != nil {
SendPullEvent(ctx, a, art.Tag)
}
}()
return man, nil
@ -184,7 +201,7 @@ func (c *controller) waitAndPushManifest(ctx context.Context, remoteRepo string,
}
if len(waitBlobs) > 0 {
// docker client will skip to pull layers exist in local
// these blobs is not exist in the proxy server
// these blobs are not exist in the proxy server
// it will cause the manifest dependency check always fail
// need to push these blobs before push manifest to avoid failure
log.Debug("Waiting blobs not empty, push it to local repo directly")

67
src/controller/proxy/controller_test.go
View File

@ -17,30 +17,60 @@ package proxy
import (
"context"
"github.com/docker/distribution"
"github.com/goharbor/harbor/src/common/models"
"github.com/goharbor/harbor/src/controller/artifact"
"github.com/goharbor/harbor/src/controller/blob"
"github.com/goharbor/harbor/src/lib"
"github.com/goharbor/harbor/src/replication/registry"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/suite"
"io"
"testing"
)
type remoteInterfaceMock struct {
mock.Mock
}
func (r *remoteInterfaceMock) BlobReader(repo, dig string) (int64, io.ReadCloser, error) {
panic("implement me")
}
func (r *remoteInterfaceMock) Manifest(repo string, ref string) (distribution.Manifest, string, error) {
panic("implement me")
}
func (r *remoteInterfaceMock) ManifestExist(repo, ref string) (bool, string, error) {
args := r.Called(repo, ref)
return args.Bool(0), args.String(1), args.Error(2)
}
type localInterfaceMock struct {
mock.Mock
}
func (l *localInterfaceMock) SendPullEvent(ctx context.Context, repo, tag string) {
panic("implement me")
}
func (l *localInterfaceMock) GetManifest(ctx context.Context, art lib.ArtifactInfo) (*artifact.Artifact, error) {
args := l.Called(ctx, art)
var a *artifact.Artifact
if args.Get(0) != nil {
a = args.Get(0).(*artifact.Artifact)
}
return a, args.Error(1)
}
func (l *localInterfaceMock) SameArtifact(ctx context.Context, repo, tag, dig string) (bool, error) {
panic("implement me")
}
func (l *localInterfaceMock) BlobExist(ctx context.Context, art lib.ArtifactInfo) (bool, error) {
args := l.Called(ctx, art)
return args.Bool(0), args.Error(1)
}
func (l *localInterfaceMock) ManifestExist(ctx context.Context, art lib.ArtifactInfo) bool {
args := l.Called(ctx, art)
return args.Bool(0)
}
func (l *localInterfaceMock) PushBlob(localRepo string, desc distribution.Descriptor, bReader io.ReadCloser) error {
panic("implement me")
}
@ -63,15 +93,18 @@ func (l *localInterfaceMock) DeleteManifest(repo, ref string) {
type proxyControllerTestSuite struct {
suite.Suite
local *localInterfaceMock
ctr Controller
local *localInterfaceMock
remote *remoteInterfaceMock
ctr Controller
proj *models.Project
}
func (p *proxyControllerTestSuite) SetupTest() {
p.local = &localInterfaceMock{}
p.remote = &remoteInterfaceMock{}
p.proj = &models.Project{RegistryID: 1}
p.ctr = &controller{
blobCtl: blob.Ctl,
registryMgr: registry.NewDefaultManager(),
artifactCtl: artifact.Ctl,
local: p.local,
}
@ -81,8 +114,10 @@ func (p *proxyControllerTestSuite) TestUseLocalManifest_True() {
ctx := context.Background()
dig := "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b"
art := lib.ArtifactInfo{Repository: "library/hello-world", Digest: dig}
p.local.On("ManifestExist", mock.Anything, mock.Anything).Return(true, nil)
result := p.ctr.UseLocalManifest(ctx, art)
p.local.On("GetManifest", mock.Anything, mock.Anything).Return(&artifact.Artifact{}, nil)
result, err := p.ctr.UseLocalManifest(ctx, art)
p.Assert().Nil(err)
p.Assert().True(result)
}
@ -90,16 +125,18 @@ func (p *proxyControllerTestSuite) TestUseLocalManifest_False() {
ctx := context.Background()
dig := "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b"
art := lib.ArtifactInfo{Repository: "library/hello-world", Digest: dig}
p.local.On("ManifestExist", mock.Anything, mock.Anything).Return(false, nil)
result := p.ctr.UseLocalManifest(ctx, art)
p.local.On("GetManifest", mock.Anything, mock.Anything).Return(nil, nil)
result, err := p.ctr.UseLocalManifest(ctx, art)
p.Assert().Nil(err)
p.Assert().False(result)
}
func (p *proxyControllerTestSuite) TestUseLocalManifestWithTag_False() {
ctx := context.Background()
art := lib.ArtifactInfo{Repository: "library/hello-world", Tag: "latest"}
p.local.On("ManifestExist", mock.Anything, mock.Anything).Return(true, nil)
result := p.ctr.UseLocalManifest(ctx, art)
p.local.On("GetManifest", mock.Anything, mock.Anything).Return(&artifact.Artifact{}, nil)
result, err := p.ctr.UseLocalManifest(ctx, art)
p.Assert().Nil(err)
p.Assert().False(result)
}

60
src/controller/proxy/local.go
View File

@ -16,26 +16,30 @@ package proxy
import (
"context"
"errors"
"fmt"
"io"
"time"
"github.com/docker/distribution"
"github.com/docker/distribution/manifest/manifestlist"
"github.com/goharbor/harbor/src/controller/artifact"
"github.com/goharbor/harbor/src/controller/event/metadata"
"github.com/goharbor/harbor/src/core/config"
"github.com/goharbor/harbor/src/lib"
"github.com/goharbor/harbor/src/lib/errors"
"github.com/goharbor/harbor/src/lib/log"
"github.com/goharbor/harbor/src/pkg/notifier/event"
"github.com/goharbor/harbor/src/pkg/proxy/secret"
"github.com/goharbor/harbor/src/pkg/registry"
"io"
"time"
"github.com/opencontainers/go-digest"
)
// localInterface defines operations related to local repo under proxy mode
type localInterface interface {
// BlobExist check if the blob exist in local repo
BlobExist(ctx context.Context, art lib.ArtifactInfo) (bool, error)
// Manifest check if the manifest exist in local repo
ManifestExist(ctx context.Context, art lib.ArtifactInfo) bool
// GetManifest get the manifest info
GetManifest(ctx context.Context, art lib.ArtifactInfo) (*artifact.Artifact, error)
// PushBlob push blob to local repo
PushBlob(localRepo string, desc distribution.Descriptor, bReader io.ReadCloser) error
// PushManifest push manifest to local repo, ref can be digest or tag
@ -48,13 +52,16 @@ type localInterface interface {
DeleteManifest(repo, ref string)
}
func (l *localHelper) ManifestExist(ctx context.Context, art lib.ArtifactInfo) bool {
a, err := l.artifactCtl.GetByReference(ctx, art.Repository, art.Digest, nil)
func (l *localHelper) GetManifest(ctx context.Context, art lib.ArtifactInfo) (*artifact.Artifact, error) {
ref := getReference(art)
a, err := l.artifactCtl.GetByReference(ctx, art.Repository, ref, nil)
if err != nil {
log.Errorf("check manifest exist failed, error %v", err)
return false
if errors.IsNotFoundErr(err) {
return nil, nil
}
return nil, err
}
return a != nil
return a, nil
}
// localHelper defines operations related to local repo under proxy mode
@ -134,7 +141,11 @@ func (l *localHelper) updateManifestList(ctx context.Context, repo string, manif
existMans := make([]manifestlist.ManifestDescriptor, 0)
for _, m := range v.Manifests {
art := lib.ArtifactInfo{Repository: repo, Digest: string(m.Digest)}
if l.ManifestExist(ctx, art) {
a, err := l.GetManifest(ctx, art)
if err != nil {
return nil, err
}
if a != nil {
existMans = append(existMans, m)
}
}
@ -143,14 +154,14 @@ func (l *localHelper) updateManifestList(ctx context.Context, repo string, manif
return nil, fmt.Errorf("current manifest list type is unknown, manifest type[%T], content [%+v]", manifest, manifest)
}
func (l *localHelper) PushManifestList(ctx context.Context, repo string, ref string, man distribution.Manifest) error {
func (l *localHelper) PushManifestList(ctx context.Context, repo string, tag string, man distribution.Manifest) error {
// For manifest list, it might include some different manifest
// it will wait and check for 30 mins, if all depend manifests exist then push it
// if time exceed, only push the new updated manifest list which contains existing manifest
var newMan distribution.Manifest
var err error
for n := 0; n < maxManifestListWait; n++ {
log.Debugf("waiting for the manifest ready, repo %v, ref:%v", repo, ref)
log.Debugf("waiting for the manifest ready, repo %v, tag:%v", repo, tag)
time.Sleep(sleepIntervalSec * time.Second)
newMan, err = l.updateManifestList(ctx, repo, man)
if err != nil {
@ -160,7 +171,6 @@ func (l *localHelper) PushManifestList(ctx context.Context, repo string, ref str
break
}
}
if len(newMan.References()) == 0 {
return errors.New("manifest list doesn't contain any pushed manifest")
}
@ -170,7 +180,17 @@ func (l *localHelper) PushManifestList(ctx context.Context, repo string, ref str
return err
}
log.Debugf("The manifest list payload: %v", string(pl))
return l.PushManifest(repo, ref, newMan)
dig := digest.FromBytes(pl)
// Because the manifest list maybe updated, need to recheck if it is exist in local
art := lib.ArtifactInfo{Repository: repo, Tag: tag}
a, err := l.GetManifest(ctx, art)
if err != nil {
return err
}
if a != nil && a.Digest == string(dig) {
return nil
}
return l.PushManifest(repo, tag, newMan)
}
func (l *localHelper) CheckDependencies(ctx context.Context, repo string, man distribution.Manifest) []distribution.Descriptor {
@ -188,3 +208,13 @@ func (l *localHelper) CheckDependencies(ctx context.Context, repo string, man di
log.Debugf("Check dependency result %v", waitDesc)
return waitDesc
}
// SendPullEvent send a pull image event
func SendPullEvent(ctx context.Context, a *artifact.Artifact, tag string) {
e := &metadata.PullArtifactEventMetadata{
Ctx: ctx,
Artifact: &a.Artifact,
Tag: tag,
}
event.BuildAndPublish(e)
}

5
src/controller/proxy/local_test.go
View File

@ -191,8 +191,9 @@ func (lh *localHelperTestSuite) TestManifestExist() {
var opt *artifact.Option
lh.artCtl.On("GetByReference", ctx, "library/hello-world", dig, opt).Return(ar, nil)
art := lib.ArtifactInfo{Repository: "library/hello-world", Digest: dig}
exist := lh.local.ManifestExist(ctx, art)
lh.Assert().True(exist)
a, err := lh.local.GetManifest(ctx, art)
lh.Assert().Nil(err)
lh.Assert().NotNil(a)
}
func TestLocalHelperTestSuite(t *testing.T) {

26
src/controller/proxy/remote.go
View File

@ -17,8 +17,8 @@ package proxy
import (
"fmt"
"github.com/docker/distribution"
"github.com/goharbor/harbor/src/lib/log"
"github.com/goharbor/harbor/src/replication/adapter"
"github.com/goharbor/harbor/src/replication/model"
"github.com/goharbor/harbor/src/replication/registry"
"io"
)
@ -28,20 +28,22 @@ type remoteInterface interface {
// BlobReader create a reader for remote blob
BlobReader(repo, dig string) (int64, io.ReadCloser, error)
// Manifest get manifest by reference
Manifest(repo string, ref string) (distribution.Manifest, error)
Manifest(repo string, ref string) (distribution.Manifest, string, error)
}
// remoteHelper defines operations related to remote repository under proxy
type remoteHelper struct {
regID int64
registry adapter.ArtifactRegistry
regID int64
registry adapter.ArtifactRegistry
registryMgr registry.Manager
}
// newRemoteHelper create a remoteHelper interface
func newRemoteHelper(regID int64) (remoteInterface, error) {
r := &remoteHelper{regID: regID}
func newRemoteHelper(regID int64) (*remoteHelper, error) {
r := &remoteHelper{
regID: regID,
registryMgr: registry.NewDefaultManager()}
if err := r.init(); err != nil {
log.Errorf("failed to create remoteHelper error %v", err)
return nil, err
}
return r, nil
@ -52,13 +54,16 @@ func (r *remoteHelper) init() error {
if r.registry != nil {
return nil
}
reg, err := registry.NewDefaultManager().Get(r.regID)
reg, err := r.registryMgr.Get(r.regID)
if err != nil {
return err
}
if reg == nil {
return fmt.Errorf("failed to get registry, registryID: %v", r.regID)
}
if reg.Status != model.Healthy {
return fmt.Errorf("current registry is unhealthy, regID:%v, Name:%v, Status: %v", reg.ID, reg.Name, reg.Status)
}
factory, err := adapter.GetFactory(reg.Type)
if err != nil {
return err
@ -75,7 +80,6 @@ func (r *remoteHelper) BlobReader(repo, dig string) (int64, io.ReadCloser, error
return r.registry.PullBlob(repo, dig)
}
func (r *remoteHelper) Manifest(repo string, ref string) (distribution.Manifest, error) {
man, _, err := r.registry.PullManifest(repo, ref)
return man, err
func (r *remoteHelper) Manifest(repo string, ref string) (distribution.Manifest, string, error) {
return r.registry.PullManifest(repo, ref)
}

10
src/server/middleware/repoproxy/proxy.go
View File

@ -98,7 +98,15 @@ func handleManifest(w http.ResponseWriter, r *http.Request, next http.Handler) e
if err != nil {
return err
}
if !canProxy(p) || proxyCtl.UseLocalManifest(ctx, art) {
if !canProxy(p) {
next.ServeHTTP(w, r)
return nil
}
useLocal, err := proxyCtl.UseLocalManifest(ctx, art)
if err != nil {
return err
}
if useLocal {
next.ServeHTTP(w, r)
return nil
}