mirror of https://github.com/docker/cli.git
61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
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package llb
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import (
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"io"
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"io/ioutil"
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"github.com/moby/buildkit/solver/pb"
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digest "github.com/opencontainers/go-digest"
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)
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// Definition is the LLB definition structure with per-vertex metadata entries
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// Corresponds to the Definition structure defined in solver/pb.Definition.
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type Definition struct {
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Def [][]byte
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Metadata map[digest.Digest]OpMetadata
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}
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func (def *Definition) ToPB() *pb.Definition {
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md := make(map[digest.Digest]OpMetadata)
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for k, v := range def.Metadata {
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md[k] = v
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}
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return &pb.Definition{
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Def: def.Def,
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Metadata: md,
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}
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}
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func (def *Definition) FromPB(x *pb.Definition) {
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def.Def = x.Def
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def.Metadata = make(map[digest.Digest]OpMetadata)
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for k, v := range x.Metadata {
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def.Metadata[k] = v
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}
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}
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type OpMetadata = pb.OpMetadata
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func WriteTo(def *Definition, w io.Writer) error {
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b, err := def.ToPB().Marshal()
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if err != nil {
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return err
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}
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_, err = w.Write(b)
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return err
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}
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func ReadFrom(r io.Reader) (*Definition, error) {
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b, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, err
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}
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var pbDef pb.Definition
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if err := pbDef.Unmarshal(b); err != nil {
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return nil, err
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}
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var def Definition
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def.FromPB(&pbDef)
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return &def, nil
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}
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