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FetchContainer: Inject Docker image metadata into LLB

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Fixes #130

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
This commit is contained in:
Andrea Luzzardi
2021-02-25 14:17:01 -08:00
parent dce79f0a3e
commit 4bd0ffd3fc
5 changed files with 67 additions and 13 deletions
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18
dagger/solver.go
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@@ -6,6 +6,7 @@ import (
"fmt"
"github.com/moby/buildkit/client/llb"
"github.com/moby/buildkit/frontend/dockerfile/dockerfile2llb"
bkgw "github.com/moby/buildkit/frontend/gateway/client"
bkpb "github.com/moby/buildkit/solver/pb"
"github.com/opencontainers/go-digest"
@@ -39,6 +40,23 @@ func (s Solver) SessionID() string {
return s.c.BuildOpts().SessionID
}
func (s Solver) ResolveImageConfig(ctx context.Context, ref string, opts llb.ResolveImageConfigOpt) (dockerfile2llb.Image, error) {
var image dockerfile2llb.Image
// Load image metadata and convert to to LLB.
// Inspired by https://github.com/moby/buildkit/blob/master/frontend/dockerfile/dockerfile2llb/convert.go
// FIXME: this needs to handle platform
_, meta, err := s.c.ResolveImageConfig(ctx, ref, opts)
if err != nil {
return image, err
}
if err := json.Unmarshal(meta, &image); err != nil {
return image, err
}
return image, nil
}
// Solve will block until the state is solved and returns a Reference.
func (s Solver) SolveRequest(ctx context.Context, req bkgw.SolveRequest) (bkgw.Reference, error) {
// call solve