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package progress
import (
"time"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/identity"
"github.com/opencontainers/go-digest"
)
type Writer interface {
Write(*client.SolveStatus)
WriteBuildRef(string, string)
ValidateLogSource(digest.Digest, interface{}) bool
ClearLogSource(interface{})
}
func Write(w Writer, name string, f func() error) error {
dgst := digest.FromBytes([]byte(identity.NewID()))
tm := time.Now()
vtx := client.Vertex{
Digest: dgst,
Name: name,
Started: &tm,
}
w.Write(&client.SolveStatus{
Vertexes: []*client.Vertex{&vtx},
})
err := f()
tm2 := time.Now()
vtx2 := vtx
vtx2.Completed = &tm2
if err != nil {
vtx2.Error = err.Error()
}
w.Write(&client.SolveStatus{
Vertexes: []*client.Vertex{&vtx2},
})
return err
}
func WriteBuildRef(w Writer, target string, ref string) {
w.WriteBuildRef(target, ref)
}
func NewChannel(w Writer) (chan *client.SolveStatus, chan struct{}) {
ch := make(chan *client.SolveStatus)
done := make(chan struct{})
go func() {
for {
v, ok := <-ch
if !ok {
close(done)
w.ClearLogSource(done)
return
}
if len(v.Logs) > 0 {
logs := make([]*client.VertexLog, 0, len(v.Logs))
for _, l := range v.Logs {
if w.ValidateLogSource(l.Vertex, done) {
logs = append(logs, l)
}
}
v.Logs = logs
}
w.Write(v)
}
}()
return ch, done
}
type tee struct {
Writer
ch chan *client.SolveStatus
}
func (t *tee) Write(v *client.SolveStatus) {
v2 := *v
t.ch <- &v2
t.Writer.Write(v)
}
func Tee(w Writer, ch chan *client.SolveStatus) Writer {
if ch == nil {
return w
}
return &tee{
Writer: w,
ch: ch,
}
}
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