mirror of
				https://gitea.com/Lydanne/buildx.git
				synced 2025-11-04 10:03:42 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			92 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package content
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
 | 
						|
	api "github.com/containerd/containerd/api/services/content/v1"
 | 
						|
	"github.com/containerd/containerd/content"
 | 
						|
	"github.com/containerd/containerd/content/proxy"
 | 
						|
	"github.com/moby/buildkit/session"
 | 
						|
	digest "github.com/opencontainers/go-digest"
 | 
						|
	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 | 
						|
	"github.com/pkg/errors"
 | 
						|
	"google.golang.org/grpc/metadata"
 | 
						|
)
 | 
						|
 | 
						|
type callerContentStore struct {
 | 
						|
	store   content.Store
 | 
						|
	storeID string
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) choose(ctx context.Context) context.Context {
 | 
						|
	nsheader := metadata.Pairs(GRPCHeaderID, cs.storeID)
 | 
						|
	md, ok := metadata.FromOutgoingContext(ctx) // merge with outgoing context.
 | 
						|
	if !ok {
 | 
						|
		md = nsheader
 | 
						|
	} else {
 | 
						|
		// order ensures the latest is first in this list.
 | 
						|
		md = metadata.Join(nsheader, md)
 | 
						|
	}
 | 
						|
	return metadata.NewOutgoingContext(ctx, md)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Info(ctx context.Context, dgst digest.Digest) (content.Info, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	info, err := cs.store.Info(ctx, dgst)
 | 
						|
	return info, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Update(ctx context.Context, info content.Info, fieldpaths ...string) (content.Info, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	info, err := cs.store.Update(ctx, info, fieldpaths...)
 | 
						|
	return info, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Walk(ctx context.Context, fn content.WalkFunc, fs ...string) error {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	return errors.WithStack(cs.store.Walk(ctx, fn, fs...))
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Delete(ctx context.Context, dgst digest.Digest) error {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	return errors.WithStack(cs.store.Delete(ctx, dgst))
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) ListStatuses(ctx context.Context, fs ...string) ([]content.Status, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	resp, err := cs.store.ListStatuses(ctx, fs...)
 | 
						|
	return resp, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Status(ctx context.Context, ref string) (content.Status, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	st, err := cs.store.Status(ctx, ref)
 | 
						|
	return st, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Abort(ctx context.Context, ref string) error {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	return errors.WithStack(cs.store.Abort(ctx, ref))
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) Writer(ctx context.Context, opts ...content.WriterOpt) (content.Writer, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	w, err := cs.store.Writer(ctx, opts...)
 | 
						|
	return w, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
func (cs *callerContentStore) ReaderAt(ctx context.Context, desc ocispec.Descriptor) (content.ReaderAt, error) {
 | 
						|
	ctx = cs.choose(ctx)
 | 
						|
	ra, err := cs.store.ReaderAt(ctx, desc)
 | 
						|
	return ra, errors.WithStack(err)
 | 
						|
}
 | 
						|
 | 
						|
// NewCallerStore creates content.Store from session.Caller with specified storeID
 | 
						|
func NewCallerStore(c session.Caller, storeID string) content.Store {
 | 
						|
	client := api.NewContentClient(c.Conn())
 | 
						|
	return &callerContentStore{
 | 
						|
		store:   proxy.NewContentStore(client),
 | 
						|
		storeID: storeID,
 | 
						|
	}
 | 
						|
}
 |