Files
artifactapi/internal/provider/provider.go
T
unkinben 6f8e70c27a feat: add local RPM repository with on-demand repodata (#53)
## Summary
- Upload RPMs to local repos, metadata parsed async via cavaliergopher/rpm
- Repodata (repomd.xml, primary/filelists/other.xml.gz) generated on-demand from DB — nothing stored in S3
- RPM provider implements LocalUploader, PostUploadHook, and LocalIndexer
- New rpm_metadata table for parsed RPM header data (name, version, deps, etc.)
- New provider interfaces: PostUploadHook, BlobReader, MetadataStore, RPMMetadataReader

## Test plan
- [x] Upload cowsay RPM from epel → async metadata parse confirmed in logs
- [x] repomd.xml generated with correct hashes → primary.xml.gz has correct metadata
- [x] `dnf install` from local repo: download + install successful
- [x] Bad file rejection (.txt → 400), overwrite rejection (409)

Reviewed-on: #53
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>
2026-06-23 23:20:05 +10:00

135 lines
3.1 KiB
Go

package provider
import (
"context"
"fmt"
"io"
"net/http"
"git.unkin.net/unkin/artifactapi/pkg/models"
)
type Mutability int
const (
Immutable Mutability = iota
Mutable
)
type Provider interface {
Type() models.PackageType
Classify(path string) Mutability
ContentType(path string) string
UpstreamURL(remote models.Remote, path string) string
RewriteResponse(body []byte, remote models.Remote, proxyBaseURL string) ([]byte, error)
AuthHeaders(ctx context.Context, remote models.Remote) (http.Header, error)
}
type FileEntry struct {
FilePath string
ContentHash string
}
type FileStore interface {
ListFilesByPrefix(ctx context.Context, repoName, prefix string) ([]FileEntry, error)
ListPackages(ctx context.Context, repoName string) ([]string, error)
}
type LocalUploader interface {
ValidateUpload(filePath string) (storagePath, contentType string, err error)
UploadResponse(storagePath, contentHash string, sizeBytes int64) map[string]any
}
type LocalIndexer interface {
ServeLocalIndex(w http.ResponseWriter, r *http.Request, files FileStore, repoName, path string) bool
GenerateLocalIndex(ctx context.Context, files FileStore, repoName, path string) ([]byte, error)
}
type BlobReader interface {
Download(ctx context.Context, key string) (io.ReadCloser, int64, error)
}
type PostUploadHook interface {
AfterUpload(ctx context.Context, repoName, storagePath, contentHash string, blobs BlobReader, db MetadataStore)
}
type MetadataStore interface {
InsertRPMMetadata(ctx context.Context, meta *RPMMetadata) error
}
type RPMMetadataReader interface {
ListRPMMetadataEntries(ctx context.Context, repoName string) ([]RPMMetadata, error)
}
type RPMMetadata struct {
RepoName string
FilePath string
ContentHash string
Name string
Epoch int
Version string
Release string
Arch string
Summary string
Description string
RPMSize int64
InstalledSize int64
License string
Vendor string
Group string
BuildHost string
SourceRPM string
URL string
Packager string
Requires []RPMDep
Provides []RPMDep
Files []RPMFile
Changelogs []RPMChangelog
}
type RPMDep struct {
Name string `json:"name"`
Flags string `json:"flags,omitempty"`
Epoch string `json:"epoch,omitempty"`
Version string `json:"version,omitempty"`
Release string `json:"release,omitempty"`
}
type RPMFile struct {
Path string `json:"path"`
Type string `json:"type,omitempty"`
}
type RPMChangelog struct {
Author string `json:"author"`
Date int64 `json:"date"`
Text string `json:"text"`
}
type IndexMerger interface {
MergeIndexes(members []MemberIndex, proxyBaseURL string) ([]byte, error)
}
type MemberIndex struct {
RemoteName string
Body []byte
}
var registry = map[models.PackageType]Provider{}
func Register(p Provider) {
registry[p.Type()] = p
}
func Get(t models.PackageType) (Provider, error) {
p, ok := registry[t]
if !ok {
return nil, fmt.Errorf("no provider registered for package type %q", t)
}
return p, nil
}
func All() map[models.PackageType]Provider {
return registry
}