58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package solver
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import (
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"context"
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"io"
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"strings"
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"github.com/moby/buildkit/cache"
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"github.com/moby/buildkit/executor"
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"github.com/moby/buildkit/frontend"
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"github.com/moby/buildkit/util/tracing"
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"github.com/moby/buildkit/worker"
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"github.com/pkg/errors"
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)
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// llbBridge is an helper used by frontends
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type llbBridge struct {
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*Solver
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job *job
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// this worker is used for running containerized frontend, not vertices
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worker.Worker
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}
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func (s *llbBridge) Solve(ctx context.Context, req frontend.SolveRequest) (cache.ImmutableRef, map[string][]byte, error) {
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var f frontend.Frontend
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if req.Frontend != "" {
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var ok bool
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f, ok = s.frontends[req.Frontend]
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if !ok {
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return nil, nil, errors.Errorf("invalid frontend: %s", req.Frontend)
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}
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} else {
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if req.Definition == nil || req.Definition.Def == nil {
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return nil, nil, nil
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}
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}
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ref, exp, err := s.solve(ctx, s.job, SolveRequest{
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Definition: req.Definition,
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Frontend: f,
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FrontendOpt: req.FrontendOpt,
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})
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if err != nil {
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return nil, nil, err
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}
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immutable, ok := ToImmutableRef(ref)
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if !ok {
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return nil, nil, errors.Errorf("invalid reference for exporting: %T", ref)
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}
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return immutable, exp, nil
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}
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func (s *llbBridge) Exec(ctx context.Context, meta executor.Meta, root cache.ImmutableRef, stdin io.ReadCloser, stdout, stderr io.WriteCloser) (err error) {
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span, ctx := tracing.StartSpan(ctx, strings.Join(meta.Args, " "))
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err = s.Worker.Exec(ctx, meta, root, stdin, stdout, stderr)
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tracing.FinishWithError(span, err)
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return err
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}
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