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|
package solver
import (
"context"
"io"
"sort"
"time"
"github.com/moby/buildkit/util/bklog"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/util/progress"
digest "github.com/opencontainers/go-digest"
)
func (j *Job) Status(ctx context.Context, ch chan *client.SolveStatus) error {
vs := &vertexStream{cache: map[digest.Digest]*client.Vertex{}, wasCached: make(map[digest.Digest]struct{})}
pr := j.pr.Reader(ctx)
defer func() {
if enc := vs.encore(); len(enc) > 0 {
ch <- &client.SolveStatus{Vertexes: enc}
}
close(ch)
}()
for {
p, err := pr.Read(ctx)
if err != nil {
if err == io.EOF {
return nil
}
return err
}
ss := &client.SolveStatus{}
for _, p := range p {
switch v := p.Sys.(type) {
case client.Vertex:
ss.Vertexes = append(ss.Vertexes, vs.append(v)...)
case progress.Status:
vtx, ok := p.Meta("vertex")
if !ok {
bklog.G(ctx).Warnf("progress %s status without vertex info", p.ID)
continue
}
vs := &client.VertexStatus{
ID: p.ID,
Vertex: vtx.(digest.Digest),
Name: v.Action,
Total: int64(v.Total),
Current: int64(v.Current),
Timestamp: p.Timestamp,
Started: v.Started,
Completed: v.Completed,
}
ss.Statuses = append(ss.Statuses, vs)
case client.VertexLog:
vtx, ok := p.Meta("vertex")
if !ok {
bklog.G(ctx).Warnf("progress %s log without vertex info", p.ID)
continue
}
v.Vertex = vtx.(digest.Digest)
v.Timestamp = p.Timestamp
ss.Logs = append(ss.Logs, &v)
case client.VertexWarning:
vtx, ok := p.Meta("vertex")
if !ok {
bklog.G(ctx).Warnf("progress %s warning without vertex info", p.ID)
continue
}
v.Vertex = vtx.(digest.Digest)
ss.Warnings = append(ss.Warnings, &v)
}
}
sort.Slice(ss.Vertexes, func(i, j int) bool {
if ss.Vertexes[i].Started == nil {
return true
}
if ss.Vertexes[j].Started == nil {
return false
}
return ss.Vertexes[i].Started.Before(*ss.Vertexes[j].Started)
})
sort.Slice(ss.Statuses, func(i, j int) bool {
return ss.Statuses[i].Timestamp.Before(ss.Statuses[j].Timestamp)
})
sort.Slice(ss.Logs, func(i, j int) bool {
return ss.Logs[i].Timestamp.Before(ss.Logs[j].Timestamp)
})
select {
case <-ctx.Done():
return context.Cause(ctx)
case ch <- ss:
}
}
}
type vertexStream struct {
cache map[digest.Digest]*client.Vertex
wasCached map[digest.Digest]struct{}
}
func (vs *vertexStream) append(v client.Vertex) []*client.Vertex {
var out []*client.Vertex
vs.cache[v.Digest] = &v
if v.Started != nil {
for _, inp := range v.Inputs {
if inpv, ok := vs.cache[inp]; ok {
if !inpv.Cached && inpv.Completed == nil {
inpv.Cached = true
inpv.Started = v.Started
inpv.Completed = v.Started
out = append(out, vs.append(*inpv)...)
delete(vs.cache, inp)
}
}
}
}
if v.Cached {
vs.markCached(v.Digest)
}
vcopy := v
return append(out, &vcopy)
}
func (vs *vertexStream) markCached(dgst digest.Digest) {
if v, ok := vs.cache[dgst]; ok {
if _, ok := vs.wasCached[dgst]; !ok {
for _, inp := range v.Inputs {
vs.markCached(inp)
}
}
vs.wasCached[dgst] = struct{}{}
}
}
func (vs *vertexStream) encore() []*client.Vertex {
var out []*client.Vertex
for _, v := range vs.cache {
if v.Started != nil && v.Completed == nil {
now := time.Now()
v.Completed = &now
if _, ok := vs.wasCached[v.Digest]; !ok && v.Error == "" {
v.Error = context.Canceled.Error()
}
out = append(out, v)
}
}
return out
}
|
