DockerCLI/vendor/github.com/moby/buildkit/util/progress/progressui/display.go

426 lines
8.9 KiB
Go

package progressui
import (
"bytes"
"context"
"fmt"
"io"
"strings"
"time"
"github.com/containerd/console"
"github.com/moby/buildkit/client"
"github.com/morikuni/aec"
digest "github.com/opencontainers/go-digest"
"github.com/tonistiigi/units"
"golang.org/x/time/rate"
)
func DisplaySolveStatus(ctx context.Context, c console.Console, w io.Writer, ch chan *client.SolveStatus) error {
modeConsole := c != nil
disp := &display{c: c}
printer := &textMux{w: w}
t := newTrace(w)
var done bool
ticker := time.NewTicker(100 * time.Millisecond)
defer ticker.Stop()
displayLimiter := rate.NewLimiter(rate.Every(70*time.Millisecond), 1)
for {
select {
case <-ctx.Done():
return ctx.Err()
case <-ticker.C:
case ss, ok := <-ch:
if ok {
t.update(ss)
} else {
done = true
}
}
if modeConsole {
if done {
disp.print(t.displayInfo(), true)
t.printErrorLogs(c)
return nil
} else if displayLimiter.Allow() {
disp.print(t.displayInfo(), false)
}
} else {
if done || displayLimiter.Allow() {
printer.print(t)
if done {
return nil
}
}
}
}
}
type displayInfo struct {
startTime time.Time
jobs []job
countTotal int
countCompleted int
}
type job struct {
startTime *time.Time
completedTime *time.Time
name string
status string
hasError bool
isCanceled bool
}
type trace struct {
w io.Writer
localTimeDiff time.Duration
vertexes []*vertex
byDigest map[digest.Digest]*vertex
nextIndex int
updates map[digest.Digest]struct{}
}
type vertex struct {
*client.Vertex
statuses []*status
byID map[string]*status
indent string
index int
logs [][]byte
logsPartial bool
logsOffset int
prev *client.Vertex
events []string
lastBlockTime *time.Time
count int
statusUpdates map[string]struct{}
}
func (v *vertex) update(c int) {
if v.count == 0 {
now := time.Now()
v.lastBlockTime = &now
}
v.count += c
}
type status struct {
*client.VertexStatus
}
func newTrace(w io.Writer) *trace {
return &trace{
byDigest: make(map[digest.Digest]*vertex),
updates: make(map[digest.Digest]struct{}),
w: w,
}
}
func (t *trace) triggerVertexEvent(v *client.Vertex) {
if v.Started == nil {
return
}
var old client.Vertex
vtx := t.byDigest[v.Digest]
if v := vtx.prev; v != nil {
old = *v
}
var ev []string
if v.Digest != old.Digest {
ev = append(ev, fmt.Sprintf("%13s %s", "digest:", v.Digest))
}
if v.Name != old.Name {
ev = append(ev, fmt.Sprintf("%13s %q", "name:", v.Name))
}
if v.Started != old.Started {
if v.Started != nil && old.Started == nil || !v.Started.Equal(*old.Started) {
ev = append(ev, fmt.Sprintf("%13s %v", "started:", v.Started))
}
}
if v.Completed != old.Completed && v.Completed != nil {
ev = append(ev, fmt.Sprintf("%13s %v", "completed:", v.Completed))
if v.Started != nil {
ev = append(ev, fmt.Sprintf("%13s %v", "duration:", v.Completed.Sub(*v.Started)))
}
}
if v.Cached != old.Cached {
ev = append(ev, fmt.Sprintf("%13s %v", "cached:", v.Cached))
}
if v.Error != old.Error {
ev = append(ev, fmt.Sprintf("%13s %q", "error:", v.Error))
}
if len(ev) > 0 {
vtx.events = append(vtx.events, ev...)
vtx.update(len(ev))
t.updates[v.Digest] = struct{}{}
}
t.byDigest[v.Digest].prev = v
}
func (t *trace) update(s *client.SolveStatus) {
for _, v := range s.Vertexes {
prev, ok := t.byDigest[v.Digest]
if !ok {
t.nextIndex++
t.byDigest[v.Digest] = &vertex{
byID: make(map[string]*status),
statusUpdates: make(map[string]struct{}),
index: t.nextIndex,
}
}
t.triggerVertexEvent(v)
if v.Started != nil && (prev == nil || prev.Started == nil) {
if t.localTimeDiff == 0 {
t.localTimeDiff = time.Since(*v.Started)
}
t.vertexes = append(t.vertexes, t.byDigest[v.Digest])
}
t.byDigest[v.Digest].Vertex = v
}
for _, s := range s.Statuses {
v, ok := t.byDigest[s.Vertex]
if !ok {
continue // shouldn't happen
}
prev, ok := v.byID[s.ID]
if !ok {
v.byID[s.ID] = &status{VertexStatus: s}
}
if s.Started != nil && (prev == nil || prev.Started == nil) {
v.statuses = append(v.statuses, v.byID[s.ID])
}
v.byID[s.ID].VertexStatus = s
v.statusUpdates[s.ID] = struct{}{}
t.updates[v.Digest] = struct{}{}
v.update(1)
}
for _, l := range s.Logs {
v, ok := t.byDigest[l.Vertex]
if !ok {
continue // shouldn't happen
}
complete := split(l.Data, byte('\n'), func(dt []byte) {
if v.logsPartial && len(v.logs) != 0 {
v.logs[len(v.logs)-1] = append(v.logs[len(v.logs)-1], dt...)
} else {
ts := time.Duration(0)
if v.Started != nil {
ts = l.Timestamp.Sub(*v.Started)
}
v.logs = append(v.logs, []byte(fmt.Sprintf("#%d %s %s", v.index, fmt.Sprintf("%#.4g", ts.Seconds())[:5], dt)))
}
})
v.logsPartial = !complete
t.updates[v.Digest] = struct{}{}
v.update(1)
}
}
func (t *trace) printErrorLogs(f io.Writer) {
for _, v := range t.vertexes {
if v.Error != "" && !strings.HasSuffix(v.Error, context.Canceled.Error()) {
fmt.Fprintln(f, "------")
fmt.Fprintf(f, " > %s:\n", v.Name)
for _, l := range v.logs {
f.Write(l)
fmt.Fprintln(f)
}
fmt.Fprintln(f, "------")
}
}
}
func (t *trace) displayInfo() (d displayInfo) {
d.startTime = time.Now()
if t.localTimeDiff != 0 {
d.startTime = (*t.vertexes[0].Started).Add(t.localTimeDiff)
}
d.countTotal = len(t.byDigest)
for _, v := range t.byDigest {
if v.Completed != nil {
d.countCompleted++
}
}
for _, v := range t.vertexes {
j := job{
startTime: addTime(v.Started, t.localTimeDiff),
completedTime: addTime(v.Completed, t.localTimeDiff),
name: strings.Replace(v.Name, "\t", " ", -1),
}
if v.Error != "" {
if strings.HasSuffix(v.Error, context.Canceled.Error()) {
j.isCanceled = true
j.name = "CANCELED " + j.name
} else {
j.hasError = true
j.name = "ERROR " + j.name
}
}
if v.Cached {
j.name = "CACHED " + j.name
}
j.name = v.indent + j.name
d.jobs = append(d.jobs, j)
for _, s := range v.statuses {
j := job{
startTime: addTime(s.Started, t.localTimeDiff),
completedTime: addTime(s.Completed, t.localTimeDiff),
name: v.indent + "=> " + s.ID,
}
if s.Total != 0 {
j.status = fmt.Sprintf("%.2f / %.2f", units.Bytes(s.Current), units.Bytes(s.Total))
} else if s.Current != 0 {
j.status = fmt.Sprintf("%.2f", units.Bytes(s.Current))
}
d.jobs = append(d.jobs, j)
}
}
return d
}
func split(dt []byte, sep byte, fn func([]byte)) bool {
if len(dt) == 0 {
return false
}
for {
if len(dt) == 0 {
return true
}
idx := bytes.IndexByte(dt, sep)
if idx == -1 {
fn(dt)
return false
}
fn(dt[:idx])
dt = dt[idx+1:]
}
}
func addTime(tm *time.Time, d time.Duration) *time.Time {
if tm == nil {
return nil
}
t := (*tm).Add(d)
return &t
}
type display struct {
c console.Console
lineCount int
repeated bool
}
func (disp *display) print(d displayInfo, all bool) {
// this output is inspired by Buck
width := 80
height := 10
size, err := disp.c.Size()
if err == nil && size.Width > 0 && size.Height > 0 {
width = int(size.Width)
height = int(size.Height)
}
if !all {
d.jobs = wrapHeight(d.jobs, height-2)
}
b := aec.EmptyBuilder
for i := 0; i <= disp.lineCount; i++ {
b = b.Up(1)
}
if !disp.repeated {
b = b.Down(1)
}
disp.repeated = true
fmt.Fprint(disp.c, b.Column(0).ANSI)
statusStr := ""
if d.countCompleted > 0 && d.countCompleted == d.countTotal && all {
statusStr = "FINISHED"
}
fmt.Fprint(disp.c, aec.Hide)
defer fmt.Fprint(disp.c, aec.Show)
out := fmt.Sprintf("[+] Building %.1fs (%d/%d) %s", time.Since(d.startTime).Seconds(), d.countCompleted, d.countTotal, statusStr)
out = align(out, "", width)
fmt.Fprintln(disp.c, out)
lineCount := 0
for _, j := range d.jobs {
endTime := time.Now()
if j.completedTime != nil {
endTime = *j.completedTime
}
if j.startTime == nil {
continue
}
dt := endTime.Sub(*j.startTime).Seconds()
if dt < 0.05 {
dt = 0
}
pfx := " => "
timer := fmt.Sprintf(" %3.1fs\n", dt)
status := j.status
showStatus := false
left := width - len(pfx) - len(timer) - 1
if status != "" {
if left+len(status) > 20 {
showStatus = true
left -= len(status) + 1
}
}
if left < 12 { // too small screen to show progress
continue
}
if len(j.name) > left {
j.name = j.name[:left]
}
out := pfx + j.name
if showStatus {
out += " " + status
}
out = align(out, timer, width)
if j.completedTime != nil {
color := aec.BlueF
if j.isCanceled {
color = aec.YellowF
} else if j.hasError {
color = aec.RedF
}
out = aec.Apply(out, color)
}
fmt.Fprint(disp.c, out)
lineCount++
}
disp.lineCount = lineCount
}
func align(l, r string, w int) string {
return fmt.Sprintf("%-[2]*[1]s %[3]s", l, w-len(r)-1, r)
}
func wrapHeight(j []job, limit int) []job {
if len(j) > limit {
j = j[len(j)-limit:]
}
return j
}