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Cache content type for manifest list and image index in perspective

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manifest list: application/vnd.docker.distribution.manifest.list.v2+json
  image index: application/vnd.oci.image.index.v1+json
  fixes #15837

Signed-off-by: stonezdj <stonezdj@gmail.com>
This commit is contained in:
stonezdj 2021-11-01 16:57:08 +08:00
parent bc6a7f65a6
commit 6b77c11696
2 changed files with 35 additions and 15 deletions
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46
src/controller/proxy/controller.go
View File

@ -23,7 +23,6 @@ import (
"time"
"github.com/docker/distribution"
"github.com/docker/distribution/manifest/manifestlist"
"github.com/goharbor/harbor/src/controller/artifact"
"github.com/goharbor/harbor/src/controller/blob"
"github.com/goharbor/harbor/src/controller/event/operator"
@ -138,6 +137,10 @@ type ManifestList struct {
ContentType string
}
// UseLocalManifest check if these manifest could be found in local registry,
// the return error should be nil when it is not found in local and need to delegate to remote registry
// the return error should be NotFoundError when it is not found in remote registry
// the error will be captured by framework and return 404 to client
func (c *controller) UseLocalManifest(ctx context.Context, art lib.ArtifactInfo, remote RemoteInterface) (bool, *ManifestList, error) {
a, err := c.local.GetManifest(ctx, art)
if err != nil {
@ -161,26 +164,39 @@ func (c *controller) UseLocalManifest(ctx context.Context, art lib.ArtifactInfo,
}
var content []byte
if c.cache != nil {
err = c.cache.Fetch(getManifestListKey(art.Repository, string(desc.Digest)), &content)
if err == nil {
log.Debugf("Get the manifest list with key=cache:%v", getManifestListKey(art.Repository, string(desc.Digest)))
return true, &ManifestList{content, string(desc.Digest), manifestlist.MediaTypeManifestList}, nil
}
if err == cache.ErrNotFound {
log.Debugf("Digest is not found in manifest list cache, key=cache:%v", getManifestListKey(art.Repository, string(desc.Digest)))
} else {
log.Errorf("Failed to get manifest list from cache, error: %v", err)
}
}
var contentType string
if c.cache == nil {
return a != nil && string(desc.Digest) == a.Digest, nil, nil // digest matches
}
func getManifestListKey(repo, dig string) string {
err = c.cache.Fetch(manifestListKey(art.Repository, string(desc.Digest)), &content)
if err != nil {
if err == cache.ErrNotFound {
log.Debugf("Digest is not found in manifest list cache, key=cache:%v", manifestListKey(art.Repository, string(desc.Digest)))
} else {
log.Errorf("Failed to get manifest list from cache, error: %v", err)
}
return a != nil && string(desc.Digest) == a.Digest, nil, nil
}
err = c.cache.Fetch(manifestListContentTypeKey(art.Repository, string(desc.Digest)), &contentType)
if err != nil {
log.Debugf("failed to get the manifest list content type, not use local. error:%v", err)
return false, nil, nil
}
log.Debugf("Get the manifest list with key=cache:%v", manifestListKey(art.Repository, string(desc.Digest)))
return true, &ManifestList{content, string(desc.Digest), contentType}, nil
}
func manifestListKey(repo, dig string) string {
// actual redis key format is cache:manifestlist:<repo name>:sha256:xxxx
return "manifestlist:" + repo + ":" + dig
}
func manifestListContentTypeKey(rep, dig string) string {
return manifestListKey(rep, dig) + ":contenttype"
}
func (c *controller) ProxyManifest(ctx context.Context, art lib.ArtifactInfo, remote RemoteInterface) (distribution.Manifest, error) {
var man distribution.Manifest
remoteRepo := getRemoteRepo(art)
@ -279,7 +295,7 @@ func (c *controller) waitAndPushManifest(ctx context.Context, remoteRepo string,
return
}
}
h.CacheContent(ctx, remoteRepo, man, art, r)
h.CacheContent(ctx, remoteRepo, man, art, r, contType)
}
// getRemoteRepo get the remote repository name, used in proxy cache

12
src/controller/proxy/manifestcache.go
View File

@ -51,7 +51,7 @@ func NewCacheHandlerRegistry(local localInterface) map[string]ManifestCacheHandl
// ManifestCacheHandler define how to cache manifest content
type ManifestCacheHandler interface {
// CacheContent - cache the content of the manifest
CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface)
CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface, contentType string)
}
// ManifestListCache handle Manifest list type and index type
@ -61,14 +61,18 @@ type ManifestListCache struct {
}
// CacheContent ...
func (m *ManifestListCache) CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface) {
func (m *ManifestListCache) CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface, contentType string) {
_, payload, err := man.Payload()
if err != nil {
log.Errorf("failed to get payload, error %v", err)
return
}
key := getManifestListKey(art.Repository, art.Digest)
key := manifestListKey(art.Repository, art.Digest)
log.Debugf("cache manifest list with key=cache:%v", key)
err = m.cache.Save(manifestListContentTypeKey(art.Repository, art.Digest), contentType, manifestListCacheInterval)
if err != nil {
log.Errorf("failed to cache content type, error %v", err)
}
err = m.cache.Save(key, payload, manifestListCacheInterval)
if err != nil {
log.Errorf("failed to cache payload, error %v", err)
@ -164,7 +168,7 @@ type ManifestCache struct {
}
// CacheContent ...
func (m *ManifestCache) CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface) {
func (m *ManifestCache) CacheContent(ctx context.Context, remoteRepo string, man distribution.Manifest, art lib.ArtifactInfo, r RemoteInterface, contentType string) {
var waitBlobs []distribution.Descriptor
for n := 0; n < maxManifestWait; n++ {
time.Sleep(sleepIntervalSec * time.Second)