Merge pull request #1041 from aluzzardi/tty-logs

logger: TTY logs support (live update)
This commit is contained in:
Andrea Luzzardi 2021-10-05 16:54:19 -07:00 committed by GitHub
commit 6b74006ddd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 479 additions and 77 deletions

View File

@ -24,7 +24,7 @@ var rootCmd = &cobra.Command{
}
func init() {
rootCmd.PersistentFlags().String("log-format", "", "Log format (json, pretty). Defaults to json if the terminal is not a tty")
rootCmd.PersistentFlags().String("log-format", "auto", "Log format (auto, plain, tty, json)")
rootCmd.PersistentFlags().StringP("log-level", "l", "info", "Log level")
rootCmd.PersistentFlags().Bool("no-cache", false, "Disable caching")

View File

@ -31,7 +31,23 @@ var upCmd = &cobra.Command{
}
},
Run: func(cmd *cobra.Command, args []string) {
lg := logger.New()
var (
lg = logger.New()
tty *logger.TTYOutput
err error
)
if f := viper.GetString("log-format"); f == "tty" || f == "auto" && term.IsTerminal(int(os.Stdout.Fd())) {
tty, err = logger.NewTTYOutput(os.Stderr)
if err != nil {
lg.Fatal().Err(err).Msg("failed to initialize TTY logger")
}
tty.Start()
defer tty.Stop()
lg = lg.Output(tty)
}
ctx := lg.WithContext(cmd.Context())
project := common.CurrentProject(ctx)
@ -45,7 +61,7 @@ var upCmd = &cobra.Command{
cl := common.NewClient(ctx)
err := cl.Do(ctx, st, func(ctx context.Context, env *environment.Environment, s solver.Solver) error {
err = cl.Do(ctx, st, func(ctx context.Context, env *environment.Environment, s solver.Solver) error {
// check that all inputs are set
if err := checkInputs(ctx, env); err != nil {
return err
@ -60,6 +76,11 @@ var upCmd = &cobra.Command{
return err
}
// FIXME: `ListOutput` is printing to Stdout directly which messes
// up the TTY logger.
if tty != nil {
tty.Stop()
}
return output.ListOutputs(ctx, env, term.IsTerminal(int(os.Stdout.Fd())))
})

View File

@ -21,8 +21,8 @@ func New() zerolog.Logger {
Timestamp().
Logger()
if prettyLogs() {
logger = logger.Output(&Console{Out: os.Stderr})
if !jsonLogs() {
logger = logger.Output(&PlainOutput{Out: os.Stderr})
} else {
logger = logger.With().Timestamp().Caller().Logger()
}
@ -35,14 +35,16 @@ func New() zerolog.Logger {
return logger.Level(lvl)
}
func prettyLogs() bool {
func jsonLogs() bool {
switch f := viper.GetString("log-format"); f {
case "json":
return false
case "pretty":
return true
case "":
return term.IsTerminal(int(os.Stdout.Fd()))
case "plain":
return false
case "tty":
return false
case "auto":
return !term.IsTerminal(int(os.Stdout.Fd()))
default:
fmt.Fprintf(os.Stderr, "invalid --log-format %q\n", f)
os.Exit(1)

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@ -6,8 +6,8 @@ import (
"fmt"
"hash/adler32"
"io"
"sort"
"strings"
"sync"
"time"
"github.com/mitchellh/colorstring"
@ -19,38 +19,29 @@ var colorize = colorstring.Colorize{
Reset: true,
}
type Console struct {
Out io.Writer
maxLength int
l sync.Mutex
type PlainOutput struct {
Out io.Writer
}
func (c *Console) Write(p []byte) (n int, err error) {
func (c *PlainOutput) Write(p []byte) (int, error) {
event := map[string]interface{}{}
d := json.NewDecoder(bytes.NewReader(p))
if err := d.Decode(&event); err != nil {
return n, fmt.Errorf("cannot decode event: %s", err)
return 0, fmt.Errorf("cannot decode event: %s", err)
}
source := c.parseSource(event)
source := parseSource(event)
c.l.Lock()
if len(source) > c.maxLength {
c.maxLength = len(source)
}
c.l.Unlock()
return fmt.Fprintln(c.Out,
colorize.Color(fmt.Sprintf("%s %s %s%s%s",
c.formatTimestamp(event),
c.formatLevel(event),
c.formatSource(source),
c.formatMessage(event),
c.formatFields(event),
)))
return fmt.Fprintln(c.Out, colorize.Color(fmt.Sprintf("%s %s %s%s%s",
formatTimestamp(event),
formatLevel(event),
formatSource(source),
formatMessage(event),
formatFields(event),
)))
}
func (c *Console) formatLevel(event map[string]interface{}) string {
func formatLevel(event map[string]interface{}) string {
level := zerolog.DebugLevel
if l, ok := event[zerolog.LevelFieldName].(string); ok {
level, _ = zerolog.ParseLevel(l)
@ -76,7 +67,7 @@ func (c *Console) formatLevel(event map[string]interface{}) string {
}
}
func (c *Console) formatTimestamp(event map[string]interface{}) string {
func formatTimestamp(event map[string]interface{}) string {
ts, ok := event[zerolog.TimestampFieldName].(string)
if !ok {
return "???"
@ -89,7 +80,7 @@ func (c *Console) formatTimestamp(event map[string]interface{}) string {
return fmt.Sprintf("[dark_gray]%s[reset]", t.Format(time.Kitchen))
}
func (c *Console) formatMessage(event map[string]interface{}) string {
func formatMessage(event map[string]interface{}) string {
message, ok := event[zerolog.MessageFieldName].(string)
if !ok {
return ""
@ -125,7 +116,7 @@ func (c *Console) formatMessage(event map[string]interface{}) string {
}
}
func (c *Console) parseSource(event map[string]interface{}) string {
func parseSource(event map[string]interface{}) string {
source := "system"
if task, ok := event["component"].(string); ok && task != "" {
source = task
@ -133,14 +124,14 @@ func (c *Console) parseSource(event map[string]interface{}) string {
return source
}
func (c *Console) formatSource(source string) string {
func formatSource(source string) string {
return fmt.Sprintf("[%s]%s | [reset]",
hashColor(source),
source,
)
}
func (c *Console) formatFields(entry map[string]interface{}) string {
func formatFields(entry map[string]interface{}) string {
// these are the fields we don't want to expose, either because they're
// already part of the Log structure or because they're internal
fieldSkipList := map[string]struct{}{
@ -149,7 +140,9 @@ func (c *Console) formatFields(entry map[string]interface{}) string {
zerolog.TimestampFieldName: {},
zerolog.ErrorFieldName: {},
zerolog.CallerFieldName: {},
"environment": {},
"component": {},
"state": {},
}
fields := []string{}
@ -180,7 +173,10 @@ func (c *Console) formatFields(entry map[string]interface{}) string {
if len(fields) == 0 {
return ""
}
return fmt.Sprintf(" [dim]%s[reset]", strings.Join(fields, " "))
sort.SliceStable(fields, func(i, j int) bool {
return fields[i] < fields[j]
})
return fmt.Sprintf(" [bold]%s[reset]", strings.Join(fields, " "))
}
// hashColor returns a consistent color for a given string
@ -195,8 +191,6 @@ func hashColor(text string) string {
"light_yellow",
"cyan",
"light_cyan",
"red",
"light_red",
}
h := adler32.Checksum([]byte(text))
return colors[int(h)%len(colors)]

356
cmd/dagger/logger/tty.go Normal file
View File

@ -0,0 +1,356 @@
package logger
import (
"bytes"
"encoding/json"
"fmt"
"os"
"strings"
"sync"
"time"
"unicode/utf8"
"github.com/containerd/console"
"github.com/morikuni/aec"
"go.dagger.io/dagger/environment"
)
type Event map[string]interface{}
type Group struct {
Name string
State environment.State
Events []Event
Started *time.Time
Completed *time.Time
}
type Message struct {
Event Event
Group *Group
}
type Logs struct {
Messages []Message
groups map[string]*Group
l sync.Mutex
}
func (l *Logs) Add(event Event) error {
l.l.Lock()
defer l.l.Unlock()
component, ok := event["component"].(string)
if !ok {
l.Messages = append(l.Messages, Message{
Event: event,
})
return nil
}
groupKey := strings.Split(component, ".#up")[0]
group := l.groups[groupKey]
// If the group doesn't exist, create it
if group == nil {
now := time.Now()
group = &Group{
Name: groupKey,
Started: &now,
}
l.groups[groupKey] = group
l.Messages = append(l.Messages, Message{
Group: group,
})
}
// Handle state events
// For state events, we just want to update the group status -- no need to
// dispanything
if st, ok := event["state"].(string); ok {
// Ignore state updates for "sub" components
if component != groupKey {
return nil
}
group.State = environment.State(st)
if group.State != environment.StateComputing {
now := time.Now()
group.Completed = &now
}
return nil
}
group.Events = append(group.Events, event)
return nil
}
type TTYOutput struct {
cons console.Console
logs *Logs
lineCount int
l sync.RWMutex
stopCh chan struct{}
doneCh chan struct{}
printCh chan struct{}
}
func NewTTYOutput(w *os.File) (*TTYOutput, error) {
cons, err := console.ConsoleFromFile(w)
if err != nil {
return nil, err
}
c := &TTYOutput{
logs: &Logs{
groups: make(map[string]*Group),
},
cons: cons,
stopCh: make(chan struct{}),
doneCh: make(chan struct{}),
printCh: make(chan struct{}, 128),
}
return c, nil
}
func (c *TTYOutput) Start() {
defer close(c.doneCh)
go func() {
for {
select {
case <-c.stopCh:
return
case <-c.printCh:
c.print()
case <-time.After(100 * time.Millisecond):
c.print()
}
}
}()
}
func (c *TTYOutput) Stop() {
c.l.Lock()
defer c.l.Unlock()
if c.doneCh == nil {
return
}
close(c.stopCh)
<-c.doneCh
c.doneCh = nil
}
func (c *TTYOutput) Write(p []byte) (n int, err error) {
event := Event{}
d := json.NewDecoder(bytes.NewReader(p))
if err := d.Decode(&event); err != nil {
return n, fmt.Errorf("cannot decode event: %s", err)
}
if err := c.logs.Add(event); err != nil {
return 0, err
}
c.print()
return len(p), nil
}
func (c *TTYOutput) print() {
c.l.Lock()
defer c.l.Unlock()
// make sure the printer is not stopped
select {
case <-c.stopCh:
return
default:
}
width, height := c.getSize()
// hide during re-rendering to avoid flickering
fmt.Fprint(c.cons, aec.Hide)
defer fmt.Fprint(c.cons, aec.Show)
// rewind to the top
b := aec.EmptyBuilder
for i := 0; i < c.lineCount; i++ {
b = b.Up(1)
}
fmt.Fprint(c.cons, b.ANSI)
runningGroups := 0
for _, message := range c.logs.Messages {
group := message.Group
if group == nil || group.State != environment.StateComputing {
continue
}
runningGroups++
}
linesPerGroup := 5
if freeLines := (height - len(c.logs.Messages)); freeLines > 0 && runningGroups > 0 {
linesPerGroup = (freeLines - 2) / runningGroups
}
lineCount := 0
for _, message := range c.logs.Messages {
if group := message.Group; group != nil {
lineCount += c.printGroup(group, width, linesPerGroup)
} else {
lineCount += c.printLine(message.Event, width)
}
}
if diff := c.lineCount - lineCount; diff > 0 {
for i := 0; i < diff; i++ {
fmt.Fprintln(c.cons, strings.Repeat(" ", width))
}
fmt.Fprint(c.cons, aec.EmptyBuilder.Up(uint(diff)).Column(0).ANSI)
}
c.lineCount = lineCount
}
func (c *TTYOutput) printLine(event Event, width int) int {
message := colorize.Color(fmt.Sprintf("%s %s %s%s",
formatTimestamp(event),
formatLevel(event),
formatMessage(event),
formatFields(event),
))
// trim
for utf8.RuneCountInString(message) > width {
message = message[0:len(message)-4] + "…"
}
// pad
if delta := width - utf8.RuneCountInString(message); delta > 0 {
message += strings.Repeat(" ", delta)
}
message += "\n"
// print
fmt.Fprint(c.cons, message)
return 1
}
func (c *TTYOutput) printGroup(group *Group, width, maxLines int) int {
lineCount := 0
prefix := ""
switch group.State {
case environment.StateComputing:
prefix = "[+]"
case environment.StateCanceled:
prefix = "[✗]"
case environment.StateFailed:
prefix = "[✗]"
case environment.StateCompleted:
prefix = "[✔]"
}
out := prefix + " " + group.Name
endTime := time.Now()
if group.Completed != nil {
endTime = *group.Completed
}
dt := endTime.Sub(*group.Started).Seconds()
if dt < 0.05 {
dt = 0
}
timer := fmt.Sprintf("%3.1fs", dt)
// align
out += strings.Repeat(" ", width-utf8.RuneCountInString(out)-len(timer))
out += timer
out += "\n"
// color
switch group.State {
case environment.StateComputing:
out = aec.Apply(out, aec.LightBlueF)
case environment.StateCanceled:
out = aec.Apply(out, aec.LightYellowF)
case environment.StateFailed:
out = aec.Apply(out, aec.LightRedF)
case environment.StateCompleted:
out = aec.Apply(out, aec.LightGreenF)
}
// Print
fmt.Fprint(c.cons, out)
lineCount++
if group.State == environment.StateCompleted {
// for completed tasks, don't show any logs
return lineCount
}
events := group.Events
if group.State == environment.StateComputing {
// for computing tasks, show only last N
if len(events) > maxLines {
events = events[len(events)-maxLines:]
}
}
// for everything else (error, canceled), show all logs
for _, event := range events {
lineCount += c.printGroupLine(event, width)
}
return lineCount
}
func (c *TTYOutput) printGroupLine(event Event, width int) int {
message := colorize.Color(fmt.Sprintf("%s%s",
formatMessage(event),
formatFields(event),
))
// trim
for utf8.RuneCountInString(message) > width {
message = message[0:len(message)-4] + "…"
}
// pad
if delta := width - utf8.RuneCountInString(message); delta > 0 {
message += strings.Repeat(" ", delta)
}
message += "\n"
// color
message = aec.Apply(message, aec.Faint)
// Print
fmt.Fprint(c.cons, message)
return 1
}
func (c *TTYOutput) getSize() (int, int) {
width := 80
height := 10
size, err := c.cons.Size()
if err == nil && size.Width > 0 && size.Height > 0 {
width = int(size.Width)
height = int(size.Height)
}
return width, height
}

View File

@ -15,8 +15,8 @@ common_setup() {
DAGGER_PROJECT="$UNIVERSE"
export DAGGER_PROJECT
# Force pretty printing for error reporting
DAGGER_LOG_FORMAT="pretty"
# Force plain printing for error reporting
DAGGER_LOG_FORMAT="plain"
export DAGGER_LOG_FORMAT
# Sandbox project.

View File

@ -3,8 +3,6 @@ package environment
import (
"context"
"fmt"
"strings"
"time"
"cuelang.org/go/cue"
cueflow "cuelang.org/go/tools/flow"
@ -184,10 +182,6 @@ func newPipelineRunner(computed *compiler.Value, s solver.Solver) cueflow.Runner
ctx, span := tr.Start(ctx, fmt.Sprintf("compute: %s", t.Path().String()))
defer span.End()
start := time.Now()
lg.
Info().
Msg("computing")
for _, dep := range t.Dependencies() {
lg.
Debug().
@ -203,19 +197,6 @@ func newPipelineRunner(computed *compiler.Value, s solver.Solver) cueflow.Runner
attribute.String("error", err.Error()),
))
// FIXME: this should use errdefs.IsCanceled(err)
if strings.Contains(err.Error(), "context canceled") {
lg.
Error().
Dur("duration", time.Since(start)).
Msg("canceled")
return err
}
lg.
Error().
Dur("duration", time.Since(start)).
Err(err).
Msg("failed")
return err
}
@ -241,10 +222,6 @@ func newPipelineRunner(computed *compiler.Value, s solver.Solver) cueflow.Runner
return err
}
lg.
Info().
Dur("duration", time.Since(start)).
Msg("completed")
return nil
})
}

View File

@ -9,6 +9,7 @@ import (
"net"
"net/url"
"strings"
"time"
"cuelang.org/go/cue"
"github.com/docker/distribution/reference"
@ -27,6 +28,15 @@ import (
"go.dagger.io/dagger/solver"
)
type State string
const (
StateComputing = State("computing")
StateCanceled = State("canceled")
StateFailed = State("failed")
StateCompleted = State("completed")
)
// An execution pipeline
type Pipeline struct {
code *compiler.Value
@ -146,6 +156,49 @@ func analyzeOp(fn func(*compiler.Value) error, op *compiler.Value) error {
}
func (p *Pipeline) Run(ctx context.Context) error {
lg := log.
Ctx(ctx).
With().
Str("component", p.name).
Logger()
start := time.Now()
lg.
Info().
Str("state", string(StateComputing)).
Msg(string(StateComputing))
err := p.run(ctx)
if err != nil {
// FIXME: this should use errdefs.IsCanceled(err)
if strings.Contains(err.Error(), "context canceled") {
lg.
Error().
Dur("duration", time.Since(start)).
Str("state", string(StateCanceled)).
Msg(string(StateCanceled))
} else {
lg.
Error().
Dur("duration", time.Since(start)).
Err(err).
Str("state", string(StateFailed)).
Msg(string(StateFailed))
}
return err
}
lg.
Info().
Dur("duration", time.Since(start)).
Str("state", string(StateCompleted)).
Msg(string(StateCompleted))
return nil
}
func (p *Pipeline) run(ctx context.Context) error {
ops, err := ops(p.code)
if err != nil {
return err

3
go.mod
View File

@ -14,7 +14,6 @@ require (
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
github.com/google/uuid v1.3.0
github.com/hashicorp/go-version v1.3.0
github.com/jaguilar/vt100 v0.0.0-20150826170717-2703a27b14ea
github.com/mattn/go-colorable v0.1.8 // indirect
github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db
github.com/mitchellh/go-homedir v1.1.0
@ -27,6 +26,7 @@ require (
github.com/stretchr/testify v1.7.0
github.com/tonistiigi/fsutil v0.0.0-20210609172227-d72af97c0eaf
github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea
github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f
go.mozilla.org/sops/v3 v3.7.1
go.opentelemetry.io/otel v1.0.1
go.opentelemetry.io/otel/exporters/jaeger v1.0.1
@ -45,7 +45,6 @@ require (
replace (
github.com/hashicorp/go-immutable-radix => github.com/tonistiigi/go-immutable-radix v0.0.0-20170803185627-826af9ccf0fe
github.com/jaguilar/vt100 => github.com/tonistiigi/vt100 v0.0.0-20190402012908-ad4c4a574305
// genproto: corresponds to containerd
google.golang.org/genproto => google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63
)

4
go.sum
View File

@ -848,6 +848,7 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
github.com/ishidawataru/sctp v0.0.0-20191218070446-00ab2ac2db07/go.mod h1:co9pwDoBCm1kGxawmb4sPq0cSIOOWNPT4KnHotMP1Zg=
github.com/ishidawataru/sctp v0.0.0-20210226210310-f2269e66cdee/go.mod h1:co9pwDoBCm1kGxawmb4sPq0cSIOOWNPT4KnHotMP1Zg=
github.com/j-keck/arping v0.0.0-20160618110441-2cf9dc699c56/go.mod h1:ymszkNOg6tORTn+6F6j+Jc8TOr5osrynvN6ivFWZ2GA=
github.com/jaguilar/vt100 v0.0.0-20150826170717-2703a27b14ea/go.mod h1:QMdK4dGB3YhEW2BmA1wgGpPYI3HZy/5gD705PXKUVSg=
github.com/jarcoal/httpmock v1.0.5/go.mod h1:ATjnClrvW/3tijVmpL/va5Z3aAyGvqU3gCT8nX0Txik=
github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A=
github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo=
@ -1296,8 +1297,7 @@ github.com/tonistiigi/go-actions-cache v0.0.0-20211002214948-4d48f2ff622a/go.mod
github.com/tonistiigi/go-immutable-radix v0.0.0-20170803185627-826af9ccf0fe/go.mod h1:/+MCh11CJf2oz0BXmlmqyopK/ad1rKkcOXPoYuPCJYU=
github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea h1:SXhTLE6pb6eld/v/cCndK0AMpt1wiVFb/YYmqB3/QG0=
github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea/go.mod h1:WPnis/6cRcDZSUvVmezrxJPkiO87ThFYsoUiMwWNDJk=
github.com/tonistiigi/vt100 v0.0.0-20190402012908-ad4c4a574305 h1:y/1cL5AL2oRcfzz8CAHHhR6kDDfIOT0WEyH5k40sccM=
github.com/tonistiigi/vt100 v0.0.0-20190402012908-ad4c4a574305/go.mod h1:gXOLibKqQTRAVuVZ9gX7G9Ykky8ll8yb4slxsEMoY0c=
github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f h1:DLpt6B5oaaS8jyXHa9VA4rrZloBVPVXeCtrOsrFauxc=
github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f/go.mod h1:ulncasL3N9uLrVann0m+CDlJKWsIAP34MPcOJF6VRvc=
github.com/uber/jaeger-client-go v2.25.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
github.com/uber/jaeger-lib v2.2.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=

View File

@ -12,8 +12,8 @@ common_setup() {
DAGGER_PROJECT="$UNIVERSE"
export DAGGER_PROJECT
# Force pretty printing for error reporting
DAGGER_LOG_FORMAT="pretty"
# Force plain printing for error reporting
DAGGER_LOG_FORMAT="plain"
export DAGGER_LOG_FORMAT
# Sandbox project.
@ -97,11 +97,11 @@ setup_localstack() {
if [ "$(curl -s http://localhost:4566)" = '{"status": "running"}' ] && \
[ "$GITHUB_ACTIONS" != "true" ]; then
echo "Cleanup local LOCALSTACK"
# S3 buckets cleanup
aws --endpoint-url=http://localhost:4566 s3 rm s3://dagger-ci || true
aws --endpoint-url=http://localhost:4566 s3 mb s3://dagger-ci || true
# ECR repositories cleanup
aws --endpoint-url=http://localhost:4566 ecr delete-repository --repository-name dagger-ci || true
aws --endpoint-url=http://localhost:4566 ecr create-repository --repository-name dagger-ci || true

View File

@ -7,7 +7,7 @@ common_setup() {
DAGGER="${DAGGER_BINARY:-$TESTDIR/../cmd/dagger/dagger}"
export DAGGER
DAGGER_LOG_FORMAT="pretty"
DAGGER_LOG_FORMAT="plain"
export DAGGER_LOG_FORMAT
DAGGER_PROJECT="$(mktemp -d -t dagger-project-XXXXXX)"
@ -28,7 +28,7 @@ dagger_new_with_plan() {
dagger_new_with_env() {
local sourcePlan="$1"
"$DAGGER" init --project "$DAGGER_PROJECT"
rsync -av "$sourcePlan"/ "$DAGGER_PROJECT"
}

View File

@ -12,11 +12,11 @@ import (
"time"
"github.com/containerd/console"
"github.com/jaguilar/vt100"
"github.com/moby/buildkit/client"
"github.com/morikuni/aec"
digest "github.com/opencontainers/go-digest"
"github.com/tonistiigi/units"
"github.com/tonistiigi/vt100"
"golang.org/x/time/rate"
)