Files
cluster/controller/manifest.go
2025-11-09 15:19:11 +08:00

58 lines
1.5 KiB
Go

package controller
import (
"crypto/sha256"
"encoding/hex"
"gitea.loveuer.com/loveuer/cluster/internal/registry/storage"
)
// GetManifest 获取 manifest
func GetManifest(store storage.Storage, repo, reference string) ([]byte, string, string, error) {
data, mediaType, err := store.GetManifest(repo, reference)
if err != nil {
return nil, "", "", err
}
digest := calculateDigest(data)
return data, mediaType, digest, nil
}
// PutManifest 推送 manifest
func PutManifest(store storage.Storage, repo, reference string, data []byte, mediaType string) (string, error) {
if err := store.PutManifest(repo, reference, data, mediaType); err != nil {
return "", err
}
digest := calculateDigest(data)
return digest, nil
}
// DeleteManifest 删除 manifest
func DeleteManifest(store storage.Storage, repo, reference string) error {
return store.DeleteManifest(repo, reference)
}
// HeadManifest 检查 manifest 是否存在并返回元数据
func HeadManifest(store storage.Storage, repo, reference string) (bool, []byte, string, string, error) {
exists, err := store.ManifestExists(repo, reference)
if err != nil || !exists {
return false, nil, "", "", err
}
// 获取 manifest 以设置正确的 headers
data, mediaType, err := store.GetManifest(repo, reference)
if err != nil {
return false, nil, "", "", err
}
digest := calculateDigest(data)
return true, data, mediaType, digest, nil
}
// calculateDigest 计算 SHA256 digest
func calculateDigest(data []byte) string {
hash := sha256.Sum256(data)
return "sha256:" + hex.EncodeToString(hash[:])
}