mirror of
https://github.com/hauler-dev/hauler.git
synced 2026-02-14 09:59:50 +00:00
117 lines
2.2 KiB
Go
117 lines
2.2 KiB
Go
package file
|
|
|
|
import (
|
|
"context"
|
|
|
|
gv1 "github.com/google/go-containerregistry/pkg/v1"
|
|
"github.com/google/go-containerregistry/pkg/v1/partial"
|
|
gtypes "github.com/google/go-containerregistry/pkg/v1/types"
|
|
|
|
"hauler.dev/go/hauler/pkg/artifacts"
|
|
"hauler.dev/go/hauler/pkg/consts"
|
|
"hauler.dev/go/hauler/pkg/getter"
|
|
)
|
|
|
|
// interface guard
|
|
var _ artifacts.OCI = (*File)(nil)
|
|
|
|
// File implements the OCI interface for File API objects. API spec information is
|
|
// stored into the Path field.
|
|
type File struct {
|
|
Path string
|
|
|
|
computed bool
|
|
client *getter.Client
|
|
config artifacts.Config
|
|
blob gv1.Layer
|
|
manifest *gv1.Manifest
|
|
annotations map[string]string
|
|
}
|
|
|
|
func NewFile(path string, opts ...Option) *File {
|
|
client := getter.NewClient(getter.ClientOptions{})
|
|
|
|
f := &File{
|
|
client: client,
|
|
Path: path,
|
|
}
|
|
|
|
for _, opt := range opts {
|
|
opt(f)
|
|
}
|
|
return f
|
|
}
|
|
|
|
// Name is the name of the file's reference
|
|
func (f *File) Name(path string) string {
|
|
return f.client.Name(path)
|
|
}
|
|
|
|
func (f *File) MediaType() string {
|
|
return consts.OCIManifestSchema1
|
|
}
|
|
|
|
func (f *File) RawConfig() ([]byte, error) {
|
|
if err := f.compute(); err != nil {
|
|
return nil, err
|
|
}
|
|
return f.config.Raw()
|
|
}
|
|
|
|
func (f *File) Layers() ([]gv1.Layer, error) {
|
|
if err := f.compute(); err != nil {
|
|
return nil, err
|
|
}
|
|
var layers []gv1.Layer
|
|
layers = append(layers, f.blob)
|
|
return layers, nil
|
|
}
|
|
|
|
func (f *File) Manifest() (*gv1.Manifest, error) {
|
|
if err := f.compute(); err != nil {
|
|
return nil, err
|
|
}
|
|
return f.manifest, nil
|
|
}
|
|
|
|
func (f *File) compute() error {
|
|
if f.computed {
|
|
return nil
|
|
}
|
|
|
|
ctx := context.TODO()
|
|
blob, err := f.client.LayerFrom(ctx, f.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
layer, err := partial.Descriptor(blob)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cfg := f.client.Config(f.Path)
|
|
if cfg == nil {
|
|
cfg = f.client.Config(f.Path)
|
|
}
|
|
|
|
cfgDesc, err := partial.Descriptor(cfg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
m := &gv1.Manifest{
|
|
SchemaVersion: 2,
|
|
MediaType: gtypes.MediaType(f.MediaType()),
|
|
Config: *cfgDesc,
|
|
Layers: []gv1.Descriptor{*layer},
|
|
Annotations: f.annotations,
|
|
}
|
|
|
|
f.manifest = m
|
|
f.config = cfg
|
|
f.blob = blob
|
|
f.computed = true
|
|
return nil
|
|
}
|