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(cli): Add dash command

This commit is contained in:
Ken Hibino 2022-06-02 19:23:06 -07:00 committed by GitHub
parent e0e5d1ac24
commit 86fe31990b
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 2013 additions and 7 deletions

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@ -28,9 +28,6 @@ jobs:
- name: Build x module
run: cd x && go build -v ./... && cd ..
- name: Build tools module
run: cd tools && go build -v ./... && cd ..
- name: Test core module
run: go test -race -v -coverprofile=coverage.txt -covermode=atomic ./...
@ -42,3 +39,29 @@ jobs:
- name: Upload coverage to Codecov
uses: codecov/codecov-action@v1
build-tool:
strategy:
matrix:
os: [ubuntu-latest]
go-version: [1.18.x]
runs-on: ${{ matrix.os }}
services:
redis:
image: redis
ports:
- 6379:6379
steps:
- uses: actions/checkout@v2
- name: Set up Go
uses: actions/setup-go@v2
with:
go-version: ${{ matrix.go-version }}
- name: Build tools module
run: cd tools && go build -v ./... && cd ..
- name: Test tools module
run: cd tools && go test -race -v ./... && cd ..

44
tools/asynq/cmd/dash.go Normal file
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@ -0,0 +1,44 @@
// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package cmd
import (
"fmt"
"os"
"time"
"github.com/MakeNowJust/heredoc/v2"
"github.com/hibiken/asynq/tools/asynq/cmd/dash"
"github.com/spf13/cobra"
)
var (
flagPollInterval = 8 * time.Second
)
func init() {
rootCmd.AddCommand(dashCmd)
dashCmd.Flags().DurationVar(&flagPollInterval, "refresh", 8*time.Second, "Interval between data refresh (default: 8s, min allowed: 1s)")
}
var dashCmd = &cobra.Command{
Use: "dash",
Short: "View dashboard",
Long: heredoc.Doc(`
Display interactive dashboard.`),
Args: cobra.NoArgs,
Example: heredoc.Doc(`
$ asynq dash
$ asynq dash --refresh=3s`),
Run: func(cmd *cobra.Command, args []string) {
if flagPollInterval < 1*time.Second {
fmt.Println("error: --refresh cannot be less than 1s")
os.Exit(1)
}
dash.Run(dash.Options{
PollInterval: flagPollInterval,
})
},
}

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@ -0,0 +1,219 @@
// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"errors"
"fmt"
"os"
"strings"
"time"
"github.com/gdamore/tcell/v2"
"github.com/hibiken/asynq"
)
// viewType is an enum for dashboard views.
type viewType int
const (
viewTypeQueues viewType = iota
viewTypeQueueDetails
viewTypeHelp
)
// State holds dashboard state.
type State struct {
queues []*asynq.QueueInfo
tasks []*asynq.TaskInfo
groups []*asynq.GroupInfo
err error
// Note: index zero corresponds to the table header; index=1 correctponds to the first element
queueTableRowIdx int // highlighted row in queue table
taskTableRowIdx int // highlighted row in task table
groupTableRowIdx int // highlighted row in group table
taskState asynq.TaskState // highlighted task state in queue details view
taskID string // selected task ID
selectedQueue *asynq.QueueInfo // queue shown on queue details view
selectedGroup *asynq.GroupInfo
selectedTask *asynq.TaskInfo
pageNum int // pagination page number
view viewType // current view type
prevView viewType // to support "go back"
}
func (s *State) DebugString() string {
var b strings.Builder
b.WriteString(fmt.Sprintf("len(queues)=%d ", len(s.queues)))
b.WriteString(fmt.Sprintf("len(tasks)=%d ", len(s.tasks)))
b.WriteString(fmt.Sprintf("len(groups)=%d ", len(s.groups)))
b.WriteString(fmt.Sprintf("err=%v ", s.err))
if s.taskState != 0 {
b.WriteString(fmt.Sprintf("taskState=%s ", s.taskState.String()))
} else {
b.WriteString(fmt.Sprintf("taskState=0"))
}
b.WriteString(fmt.Sprintf("taskID=%s ", s.taskID))
b.WriteString(fmt.Sprintf("queueTableRowIdx=%d ", s.queueTableRowIdx))
b.WriteString(fmt.Sprintf("taskTableRowIdx=%d ", s.taskTableRowIdx))
b.WriteString(fmt.Sprintf("groupTableRowIdx=%d ", s.groupTableRowIdx))
if s.selectedQueue != nil {
b.WriteString(fmt.Sprintf("selectedQueue={Queue:%s} ", s.selectedQueue.Queue))
} else {
b.WriteString("selectedQueue=nil ")
}
if s.selectedGroup != nil {
b.WriteString(fmt.Sprintf("selectedGroup={Group:%s} ", s.selectedGroup.Group))
} else {
b.WriteString("selectedGroup=nil ")
}
if s.selectedTask != nil {
b.WriteString(fmt.Sprintf("selectedTask={ID:%s} ", s.selectedTask.ID))
} else {
b.WriteString("selectedTask=nil ")
}
b.WriteString(fmt.Sprintf("pageNum=%d", s.pageNum))
return b.String()
}
type Options struct {
DebugMode bool
PollInterval time.Duration
}
func Run(opts Options) {
s, err := tcell.NewScreen()
if err != nil {
fmt.Printf("failed to create a screen: %v\n", err)
os.Exit(1)
}
if err := s.Init(); err != nil {
fmt.Printf("failed to initialize screen: %v\n", err)
os.Exit(1)
}
s.SetStyle(baseStyle) // set default text style
var (
state = State{} // confined in this goroutine only; DO NOT SHARE
inspector = asynq.NewInspector(asynq.RedisClientOpt{Addr: ":6379"})
ticker = time.NewTicker(opts.PollInterval)
eventCh = make(chan tcell.Event)
done = make(chan struct{})
// channels to send/receive data fetched asynchronously
errorCh = make(chan error)
queueCh = make(chan *asynq.QueueInfo)
taskCh = make(chan *asynq.TaskInfo)
queuesCh = make(chan []*asynq.QueueInfo)
groupsCh = make(chan []*asynq.GroupInfo)
tasksCh = make(chan []*asynq.TaskInfo)
)
defer ticker.Stop()
f := dataFetcher{
inspector,
opts,
s,
errorCh,
queueCh,
taskCh,
queuesCh,
groupsCh,
tasksCh,
}
d := dashDrawer{
s,
opts,
}
h := keyEventHandler{
s: s,
fetcher: &f,
drawer: &d,
state: &state,
done: done,
ticker: ticker,
pollInterval: opts.PollInterval,
}
go fetchQueues(inspector, queuesCh, errorCh, opts)
go s.ChannelEvents(eventCh, done) // TODO: Double check that we are not leaking goroutine with this one.
d.Draw(&state) // draw initial screen
for {
// Update screen
s.Show()
select {
case ev := <-eventCh:
// Process event
switch ev := ev.(type) {
case *tcell.EventResize:
s.Sync()
case *tcell.EventKey:
h.HandleKeyEvent(ev)
}
case <-ticker.C:
f.Fetch(&state)
case queues := <-queuesCh:
state.queues = queues
state.err = nil
if len(queues) < state.queueTableRowIdx {
state.queueTableRowIdx = len(queues)
}
d.Draw(&state)
case q := <-queueCh:
state.selectedQueue = q
state.err = nil
d.Draw(&state)
case groups := <-groupsCh:
state.groups = groups
state.err = nil
if len(groups) < state.groupTableRowIdx {
state.groupTableRowIdx = len(groups)
}
d.Draw(&state)
case tasks := <-tasksCh:
state.tasks = tasks
state.err = nil
if len(tasks) < state.taskTableRowIdx {
state.taskTableRowIdx = len(tasks)
}
d.Draw(&state)
case t := <-taskCh:
state.selectedTask = t
state.err = nil
d.Draw(&state)
case err := <-errorCh:
if errors.Is(err, asynq.ErrTaskNotFound) {
state.selectedTask = nil
} else {
state.err = err
}
d.Draw(&state)
}
}
}

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@ -0,0 +1,724 @@
// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"fmt"
"math"
"strconv"
"strings"
"time"
"unicode"
"unicode/utf8"
"github.com/gdamore/tcell/v2"
"github.com/hibiken/asynq"
"github.com/mattn/go-runewidth"
)
var (
baseStyle = tcell.StyleDefault.Background(tcell.ColorReset).Foreground(tcell.ColorReset)
labelStyle = baseStyle.Foreground(tcell.ColorLightGray)
// styles for bar graph
activeStyle = baseStyle.Foreground(tcell.ColorBlue)
pendingStyle = baseStyle.Foreground(tcell.ColorGreen)
aggregatingStyle = baseStyle.Foreground(tcell.ColorLightGreen)
scheduledStyle = baseStyle.Foreground(tcell.ColorYellow)
retryStyle = baseStyle.Foreground(tcell.ColorPink)
archivedStyle = baseStyle.Foreground(tcell.ColorPurple)
completedStyle = baseStyle.Foreground(tcell.ColorDarkGreen)
)
// drawer draws UI with the given state.
type drawer interface {
Draw(state *State)
}
type dashDrawer struct {
s tcell.Screen
opts Options
}
func (dd *dashDrawer) Draw(state *State) {
s, opts := dd.s, dd.opts
s.Clear()
// Simulate data update on every render
d := NewScreenDrawer(s)
switch state.view {
case viewTypeQueues:
d.Println("=== Queues ===", baseStyle.Bold(true))
d.NL()
drawQueueSizeGraphs(d, state)
d.NL()
drawQueueTable(d, baseStyle, state)
case viewTypeQueueDetails:
d.Println("=== Queue Summary ===", baseStyle.Bold(true))
d.NL()
drawQueueSummary(d, state)
d.NL()
d.NL()
d.Println("=== Tasks ===", baseStyle.Bold(true))
d.NL()
drawTaskStateBreakdown(d, baseStyle, state)
d.NL()
drawTaskTable(d, state)
drawTaskModal(d, state)
case viewTypeHelp:
drawHelp(d)
}
d.GoToBottom()
if opts.DebugMode {
drawDebugInfo(d, state)
} else {
drawFooter(d, state)
}
}
func drawQueueSizeGraphs(d *ScreenDrawer, state *State) {
var qnames []string
var qsizes []string // queue size in strings
maxSize := 1 // not zero to avoid division by zero
for _, q := range state.queues {
qnames = append(qnames, q.Queue)
qsizes = append(qsizes, strconv.Itoa(q.Size))
if q.Size > maxSize {
maxSize = q.Size
}
}
qnameWidth := maxwidth(qnames)
qsizeWidth := maxwidth(qsizes)
// Calculate the multipler to scale the graph
screenWidth, _ := d.Screen().Size()
graphMaxWidth := screenWidth - (qnameWidth + qsizeWidth + 3) // <qname> |<graph> <size>
multipiler := 1.0
if graphMaxWidth < maxSize {
multipiler = float64(graphMaxWidth) / float64(maxSize)
}
const tick = '▇'
for _, q := range state.queues {
d.Print(q.Queue, baseStyle)
d.Print(strings.Repeat(" ", qnameWidth-runewidth.StringWidth(q.Queue)+1), baseStyle) // padding between qname and graph
d.Print("|", baseStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Active)*multipiler))), activeStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Pending)*multipiler))), pendingStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Aggregating)*multipiler))), aggregatingStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Scheduled)*multipiler))), scheduledStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Retry)*multipiler))), retryStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Archived)*multipiler))), archivedStyle)
d.Print(strings.Repeat(string(tick), int(math.Floor(float64(q.Completed)*multipiler))), completedStyle)
d.Print(fmt.Sprintf(" %d", q.Size), baseStyle)
d.NL()
}
d.NL()
d.Print("active=", baseStyle)
d.Print(string(tick), activeStyle)
d.Print(" pending=", baseStyle)
d.Print(string(tick), pendingStyle)
d.Print(" aggregating=", baseStyle)
d.Print(string(tick), aggregatingStyle)
d.Print(" scheduled=", baseStyle)
d.Print(string(tick), scheduledStyle)
d.Print(" retry=", baseStyle)
d.Print(string(tick), retryStyle)
d.Print(" archived=", baseStyle)
d.Print(string(tick), archivedStyle)
d.Print(" completed=", baseStyle)
d.Print(string(tick), completedStyle)
d.NL()
}
func drawFooter(d *ScreenDrawer, state *State) {
if state.err != nil {
style := baseStyle.Background(tcell.ColorDarkRed)
d.Print(state.err.Error(), style)
d.FillLine(' ', style)
return
}
style := baseStyle.Background(tcell.ColorDarkSlateGray).Foreground(tcell.ColorWhite)
switch state.view {
case viewTypeHelp:
d.Print("<Esc>: GoBack", style)
default:
d.Print("<?>: Help <Ctrl+C>: Exit ", style)
}
d.FillLine(' ', style)
}
// returns the maximum width from the given list of names
func maxwidth(names []string) int {
max := 0
for _, s := range names {
if w := runewidth.StringWidth(s); w > max {
max = w
}
}
return max
}
// rpad adds padding to the right of a string.
func rpad(s string, padding int) string {
tmpl := fmt.Sprintf("%%-%ds ", padding)
return fmt.Sprintf(tmpl, s)
}
// lpad adds padding to the left of a string.
func lpad(s string, padding int) string {
tmpl := fmt.Sprintf("%%%ds ", padding)
return fmt.Sprintf(tmpl, s)
}
// byteCount converts the given bytes into human readable string
func byteCount(b int64) string {
const unit = 1000
if b < unit {
return fmt.Sprintf("%d B", b)
}
div, exp := int64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMGTPE"[exp])
}
var queueColumnConfigs = []*columnConfig[*asynq.QueueInfo]{
{"Queue", alignLeft, func(q *asynq.QueueInfo) string { return q.Queue }},
{"State", alignLeft, func(q *asynq.QueueInfo) string { return formatQueueState(q) }},
{"Size", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Size) }},
{"Latency", alignRight, func(q *asynq.QueueInfo) string { return q.Latency.Round(time.Second).String() }},
{"MemoryUsage", alignRight, func(q *asynq.QueueInfo) string { return byteCount(q.MemoryUsage) }},
{"Processed", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Processed) }},
{"Failed", alignRight, func(q *asynq.QueueInfo) string { return strconv.Itoa(q.Failed) }},
{"ErrorRate", alignRight, func(q *asynq.QueueInfo) string { return formatErrorRate(q.Processed, q.Failed) }},
}
func formatQueueState(q *asynq.QueueInfo) string {
if q.Paused {
return "PAUSED"
}
return "RUN"
}
func formatErrorRate(processed, failed int) string {
if processed == 0 {
return "-"
}
return fmt.Sprintf("%.2f", float64(failed)/float64(processed))
}
func formatNextProcessTime(t time.Time) string {
now := time.Now()
if t.Before(now) {
return "now"
}
return fmt.Sprintf("in %v", (t.Sub(now).Round(time.Second)))
}
func formatPastTime(t time.Time) string {
now := time.Now()
if t.After(now) || t.Equal(now) {
return "just now"
}
return fmt.Sprintf("%v ago", time.Since(t).Round(time.Second))
}
func drawQueueTable(d *ScreenDrawer, style tcell.Style, state *State) {
drawTable(d, style, queueColumnConfigs, state.queues, state.queueTableRowIdx-1)
}
func drawQueueSummary(d *ScreenDrawer, state *State) {
q := state.selectedQueue
if q == nil {
d.Println("ERROR: Press q to go back", baseStyle)
return
}
d.Print("Name ", labelStyle)
d.Println(q.Queue, baseStyle)
d.Print("Size ", labelStyle)
d.Println(strconv.Itoa(q.Size), baseStyle)
d.Print("Latency ", labelStyle)
d.Println(q.Latency.Round(time.Second).String(), baseStyle)
d.Print("MemUsage ", labelStyle)
d.Println(byteCount(q.MemoryUsage), baseStyle)
}
// Returns the max number of groups that can be displayed.
func groupPageSize(s tcell.Screen) int {
_, h := s.Size()
return h - 16 // height - (# of rows used)
}
// Returns the number of tasks to fetch.
func taskPageSize(s tcell.Screen) int {
_, h := s.Size()
return h - 15 // height - (# of rows used)
}
func shouldShowGroupTable(state *State) bool {
return state.taskState == asynq.TaskStateAggregating && state.selectedGroup == nil
}
func getTaskTableColumnConfig(taskState asynq.TaskState) []*columnConfig[*asynq.TaskInfo] {
switch taskState {
case asynq.TaskStateActive:
return activeTaskTableColumns
case asynq.TaskStatePending:
return pendingTaskTableColumns
case asynq.TaskStateAggregating:
return aggregatingTaskTableColumns
case asynq.TaskStateScheduled:
return scheduledTaskTableColumns
case asynq.TaskStateRetry:
return retryTaskTableColumns
case asynq.TaskStateArchived:
return archivedTaskTableColumns
case asynq.TaskStateCompleted:
return completedTaskTableColumns
}
panic("unknown task state")
}
var activeTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Retried", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.Retried) }},
{"Max Retry", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.MaxRetry) }},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
}
var pendingTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Retried", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.Retried) }},
{"Max Retry", alignRight, func(t *asynq.TaskInfo) string { return strconv.Itoa(t.MaxRetry) }},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
}
var aggregatingTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
{"Group", alignLeft, func(t *asynq.TaskInfo) string { return t.Group }},
}
var scheduledTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Next Process Time", alignLeft, func(t *asynq.TaskInfo) string {
return formatNextProcessTime(t.NextProcessAt)
}},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
}
var retryTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Retry", alignRight, func(t *asynq.TaskInfo) string { return fmt.Sprintf("%d/%d", t.Retried, t.MaxRetry) }},
{"Last Failure", alignLeft, func(t *asynq.TaskInfo) string { return t.LastErr }},
{"Last Failure Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.LastFailedAt) }},
{"Next Process Time", alignLeft, func(t *asynq.TaskInfo) string {
return formatNextProcessTime(t.NextProcessAt)
}},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
}
var archivedTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Retry", alignRight, func(t *asynq.TaskInfo) string { return fmt.Sprintf("%d/%d", t.Retried, t.MaxRetry) }},
{"Last Failure", alignLeft, func(t *asynq.TaskInfo) string { return t.LastErr }},
{"Last Failure Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.LastFailedAt) }},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
}
var completedTaskTableColumns = []*columnConfig[*asynq.TaskInfo]{
{"ID", alignLeft, func(t *asynq.TaskInfo) string { return t.ID }},
{"Type", alignLeft, func(t *asynq.TaskInfo) string { return t.Type }},
{"Completion Time", alignLeft, func(t *asynq.TaskInfo) string { return formatPastTime(t.CompletedAt) }},
{"Payload", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Payload) }},
{"Result", alignLeft, func(t *asynq.TaskInfo) string { return formatByteSlice(t.Result) }},
}
func drawTaskTable(d *ScreenDrawer, state *State) {
if shouldShowGroupTable(state) {
drawGroupTable(d, state)
return
}
if len(state.tasks) == 0 {
return // print nothing
}
drawTable(d, baseStyle, getTaskTableColumnConfig(state.taskState), state.tasks, state.taskTableRowIdx-1)
// Pagination
pageSize := taskPageSize(d.Screen())
totalCount := getTaskCount(state.selectedQueue, state.taskState)
if state.taskState == asynq.TaskStateAggregating {
// aggregating tasks are scoped to each group when shown in the table.
totalCount = state.selectedGroup.Size
}
if pageSize < totalCount {
start := (state.pageNum-1)*pageSize + 1
end := start + len(state.tasks) - 1
paginationStyle := baseStyle.Foreground(tcell.ColorLightGray)
d.Print(fmt.Sprintf("Showing %d-%d out of %d", start, end, totalCount), paginationStyle)
if isNextTaskPageAvailable(d.Screen(), state) {
d.Print(" n=NextPage", paginationStyle)
}
if state.pageNum > 1 {
d.Print(" p=PrevPage", paginationStyle)
}
d.FillLine(' ', paginationStyle)
}
}
func isNextTaskPageAvailable(s tcell.Screen, state *State) bool {
totalCount := getTaskCount(state.selectedQueue, state.taskState)
end := (state.pageNum-1)*taskPageSize(s) + len(state.tasks)
return end < totalCount
}
func drawGroupTable(d *ScreenDrawer, state *State) {
if len(state.groups) == 0 {
return // print nothing
}
d.Println("<<< Select group >>>", baseStyle)
colConfigs := []*columnConfig[*asynq.GroupInfo]{
{"Name", alignLeft, func(g *asynq.GroupInfo) string { return g.Group }},
{"Size", alignRight, func(g *asynq.GroupInfo) string { return strconv.Itoa(g.Size) }},
}
// pagination
pageSize := groupPageSize(d.Screen())
total := len(state.groups)
start := (state.pageNum - 1) * pageSize
end := min(start+pageSize, total)
drawTable(d, baseStyle, colConfigs, state.groups[start:end], state.groupTableRowIdx-1)
if pageSize < total {
d.Print(fmt.Sprintf("Showing %d-%d out of %d", start+1, end, total), labelStyle)
if end < total {
d.Print(" n=NextPage", labelStyle)
}
if start > 0 {
d.Print(" p=PrevPage", labelStyle)
}
}
d.FillLine(' ', labelStyle)
}
type number interface {
int | int64 | float64
}
// min returns the smaller of x and y. if x==y, returns x
func min[V number](x, y V) V {
if x > y {
return y
}
return x
}
// Define the order of states to show
var taskStates = []asynq.TaskState{
asynq.TaskStateActive,
asynq.TaskStatePending,
asynq.TaskStateAggregating,
asynq.TaskStateScheduled,
asynq.TaskStateRetry,
asynq.TaskStateArchived,
asynq.TaskStateCompleted,
}
func nextTaskState(current asynq.TaskState) asynq.TaskState {
for i, ts := range taskStates {
if current == ts {
if i == len(taskStates)-1 {
return taskStates[0]
} else {
return taskStates[i+1]
}
}
}
panic("unkown task state")
}
func prevTaskState(current asynq.TaskState) asynq.TaskState {
for i, ts := range taskStates {
if current == ts {
if i == 0 {
return taskStates[len(taskStates)-1]
} else {
return taskStates[i-1]
}
}
}
panic("unkown task state")
}
func getTaskCount(queue *asynq.QueueInfo, taskState asynq.TaskState) int {
switch taskState {
case asynq.TaskStateActive:
return queue.Active
case asynq.TaskStatePending:
return queue.Pending
case asynq.TaskStateAggregating:
return queue.Aggregating
case asynq.TaskStateScheduled:
return queue.Scheduled
case asynq.TaskStateRetry:
return queue.Retry
case asynq.TaskStateArchived:
return queue.Archived
case asynq.TaskStateCompleted:
return queue.Completed
}
panic("unkonwn task state")
}
func drawTaskStateBreakdown(d *ScreenDrawer, style tcell.Style, state *State) {
const pad = " " // padding between states
for _, ts := range taskStates {
s := style
if state.taskState == ts {
s = s.Bold(true).Underline(true)
}
d.Print(fmt.Sprintf("%s:%d", strings.Title(ts.String()), getTaskCount(state.selectedQueue, ts)), s)
d.Print(pad, style)
}
d.NL()
}
func drawTaskModal(d *ScreenDrawer, state *State) {
if state.taskID == "" {
return
}
task := state.selectedTask
if task == nil {
// task no longer found
fns := []func(d *modalRowDrawer){
func(d *modalRowDrawer) { d.Print("=== Task Info ===", baseStyle.Bold(true)) },
func(d *modalRowDrawer) { d.Print("", baseStyle) },
func(d *modalRowDrawer) {
d.Print(fmt.Sprintf("Task %q no longer exists", state.taskID), baseStyle)
},
}
withModal(d, fns)
return
}
fns := []func(d *modalRowDrawer){
func(d *modalRowDrawer) { d.Print("=== Task Info ===", baseStyle.Bold(true)) },
func(d *modalRowDrawer) { d.Print("", baseStyle) },
func(d *modalRowDrawer) {
d.Print("ID: ", labelStyle)
d.Print(task.ID, baseStyle)
},
func(d *modalRowDrawer) {
d.Print("Type: ", labelStyle)
d.Print(task.Type, baseStyle)
},
func(d *modalRowDrawer) {
d.Print("State: ", labelStyle)
d.Print(task.State.String(), baseStyle)
},
func(d *modalRowDrawer) {
d.Print("Queue: ", labelStyle)
d.Print(task.Queue, baseStyle)
},
func(d *modalRowDrawer) {
d.Print("Retry: ", labelStyle)
d.Print(fmt.Sprintf("%d/%d", task.Retried, task.MaxRetry), baseStyle)
},
}
if task.LastErr != "" {
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Last Failure: ", labelStyle)
d.Print(task.LastErr, baseStyle)
})
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Last Failure Time: ", labelStyle)
d.Print(fmt.Sprintf("%v (%s)", task.LastFailedAt, formatPastTime(task.LastFailedAt)), baseStyle)
})
}
if !task.NextProcessAt.IsZero() {
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Next Process Time: ", labelStyle)
d.Print(fmt.Sprintf("%v (%s)", task.NextProcessAt, formatNextProcessTime(task.NextProcessAt)), baseStyle)
})
}
if !task.CompletedAt.IsZero() {
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Completion Time: ", labelStyle)
d.Print(fmt.Sprintf("%v (%s)", task.CompletedAt, formatPastTime(task.CompletedAt)), baseStyle)
})
}
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Payload: ", labelStyle)
d.Print(formatByteSlice(task.Payload), baseStyle)
})
if task.Result != nil {
fns = append(fns, func(d *modalRowDrawer) {
d.Print("Result: ", labelStyle)
d.Print(formatByteSlice(task.Result), baseStyle)
})
}
withModal(d, fns)
}
// Reports whether the given byte slice is printable (i.e. human readable)
func isPrintable(data []byte) bool {
if !utf8.Valid(data) {
return false
}
isAllSpace := true
for _, r := range string(data) {
if !unicode.IsGraphic(r) {
return false
}
if !unicode.IsSpace(r) {
isAllSpace = false
}
}
return !isAllSpace
}
func formatByteSlice(data []byte) string {
if data == nil {
return "<nil>"
}
if !isPrintable(data) {
return "<non-printable>"
}
return strings.ReplaceAll(string(data), "\n", " ")
}
type modalRowDrawer struct {
d *ScreenDrawer
width int // current width occupied by content
maxWidth int
}
// Note: s should not include newline
func (d *modalRowDrawer) Print(s string, style tcell.Style) {
if d.width >= d.maxWidth {
return // no longer write to this row
}
if d.width+runewidth.StringWidth(s) > d.maxWidth {
s = truncate(s, d.maxWidth-d.width)
}
d.d.Print(s, style)
}
// withModal draws a modal with the given functions row by row.
func withModal(d *ScreenDrawer, rowPrintFns []func(d *modalRowDrawer)) {
w, h := d.Screen().Size()
var (
modalWidth = int(math.Floor(float64(w) * 0.6))
modalHeight = int(math.Floor(float64(h) * 0.6))
rowOffset = int(math.Floor(float64(h) * 0.2)) // 20% from the top
colOffset = int(math.Floor(float64(w) * 0.2)) // 20% from the left
)
if modalHeight < 3 {
return // no content can be shown
}
d.Goto(colOffset, rowOffset)
d.Print(string(tcell.RuneULCorner), baseStyle)
d.Print(strings.Repeat(string(tcell.RuneHLine), modalWidth-2), baseStyle)
d.Print(string(tcell.RuneURCorner), baseStyle)
d.NL()
rowDrawer := modalRowDrawer{
d: d,
width: 0,
maxWidth: modalWidth - 4, /* borders + paddings */
}
for i := 1; i < modalHeight-1; i++ {
d.Goto(colOffset, rowOffset+i)
d.Print(fmt.Sprintf("%c ", tcell.RuneVLine), baseStyle)
if i <= len(rowPrintFns) {
rowPrintFns[i-1](&rowDrawer)
}
d.FillUntil(' ', baseStyle, colOffset+modalWidth-2)
d.Print(fmt.Sprintf(" %c", tcell.RuneVLine), baseStyle)
d.NL()
}
d.Goto(colOffset, rowOffset+modalHeight-1)
d.Print(string(tcell.RuneLLCorner), baseStyle)
d.Print(strings.Repeat(string(tcell.RuneHLine), modalWidth-2), baseStyle)
d.Print(string(tcell.RuneLRCorner), baseStyle)
d.NL()
}
func adjustWidth(s string, width int) string {
sw := runewidth.StringWidth(s)
if sw > width {
return truncate(s, width)
}
var b strings.Builder
b.WriteString(s)
b.WriteString(strings.Repeat(" ", width-sw))
return b.String()
}
// truncates s if s exceeds max length.
func truncate(s string, max int) string {
if runewidth.StringWidth(s) <= max {
return s
}
return string([]rune(s)[:max-1]) + "…"
}
func drawDebugInfo(d *ScreenDrawer, state *State) {
d.Println(state.DebugString(), baseStyle)
}
func drawHelp(d *ScreenDrawer) {
keyStyle := labelStyle.Bold(true)
withModal(d, []func(*modalRowDrawer){
func(d *modalRowDrawer) { d.Print("=== Help ===", baseStyle.Bold(true)) },
func(d *modalRowDrawer) { d.Print("", baseStyle) },
func(d *modalRowDrawer) {
d.Print("<Enter>", keyStyle)
d.Print(" to select", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<Esc>", keyStyle)
d.Print(" or ", baseStyle)
d.Print("<q>", keyStyle)
d.Print(" to go back", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<UpArrow>", keyStyle)
d.Print(" or ", baseStyle)
d.Print("<k>", keyStyle)
d.Print(" to move up", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<DownArrow>", keyStyle)
d.Print(" or ", baseStyle)
d.Print("<j>", keyStyle)
d.Print(" to move down", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<LeftArrow>", keyStyle)
d.Print(" or ", baseStyle)
d.Print("<h>", keyStyle)
d.Print(" to move left", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<RightArrow>", keyStyle)
d.Print(" or ", baseStyle)
d.Print("<l>", keyStyle)
d.Print(" to move right", baseStyle)
},
func(d *modalRowDrawer) {
d.Print("<Ctrl+C>", keyStyle)
d.Print(" to quit", baseStyle)
},
})
}

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// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import "testing"
func TestTruncate(t *testing.T) {
tests := []struct {
s string
max int
want string
}{
{
s: "hello world!",
max: 15,
want: "hello world!",
},
{
s: "hello world!",
max: 6,
want: "hello…",
},
}
for _, tc := range tests {
got := truncate(tc.s, tc.max)
if tc.want != got {
t.Errorf("truncate(%q, %d) = %q, want %q", tc.s, tc.max, got, tc.want)
}
}
}

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// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"sort"
"github.com/gdamore/tcell/v2"
"github.com/hibiken/asynq"
)
type fetcher interface {
// Fetch retries data required by the given state of the dashboard.
Fetch(state *State)
}
type dataFetcher struct {
inspector *asynq.Inspector
opts Options
s tcell.Screen
errorCh chan<- error
queueCh chan<- *asynq.QueueInfo
taskCh chan<- *asynq.TaskInfo
queuesCh chan<- []*asynq.QueueInfo
groupsCh chan<- []*asynq.GroupInfo
tasksCh chan<- []*asynq.TaskInfo
}
func (f *dataFetcher) Fetch(state *State) {
switch state.view {
case viewTypeQueues:
f.fetchQueues()
case viewTypeQueueDetails:
if shouldShowGroupTable(state) {
f.fetchGroups(state.selectedQueue.Queue)
} else if state.taskState == asynq.TaskStateAggregating {
f.fetchAggregatingTasks(state.selectedQueue.Queue, state.selectedGroup.Group, taskPageSize(f.s), state.pageNum)
} else {
f.fetchTasks(state.selectedQueue.Queue, state.taskState, taskPageSize(f.s), state.pageNum)
}
// if the task modal is open, additionally fetch the selected task's info
if state.taskID != "" {
f.fetchTaskInfo(state.selectedQueue.Queue, state.taskID)
}
}
}
func (f *dataFetcher) fetchQueues() {
var (
inspector = f.inspector
queuesCh = f.queuesCh
errorCh = f.errorCh
opts = f.opts
)
go fetchQueues(inspector, queuesCh, errorCh, opts)
}
func fetchQueues(i *asynq.Inspector, queuesCh chan<- []*asynq.QueueInfo, errorCh chan<- error, opts Options) {
queues, err := i.Queues()
if err != nil {
errorCh <- err
return
}
sort.Strings(queues)
var res []*asynq.QueueInfo
for _, q := range queues {
info, err := i.GetQueueInfo(q)
if err != nil {
errorCh <- err
return
}
res = append(res, info)
}
queuesCh <- res
}
func fetchQueueInfo(i *asynq.Inspector, qname string, queueCh chan<- *asynq.QueueInfo, errorCh chan<- error) {
q, err := i.GetQueueInfo(qname)
if err != nil {
errorCh <- err
return
}
queueCh <- q
}
func (f *dataFetcher) fetchGroups(qname string) {
var (
i = f.inspector
groupsCh = f.groupsCh
errorCh = f.errorCh
queueCh = f.queueCh
)
go fetchGroups(i, qname, groupsCh, errorCh)
go fetchQueueInfo(i, qname, queueCh, errorCh)
}
func fetchGroups(i *asynq.Inspector, qname string, groupsCh chan<- []*asynq.GroupInfo, errorCh chan<- error) {
groups, err := i.Groups(qname)
if err != nil {
errorCh <- err
return
}
groupsCh <- groups
}
func (f *dataFetcher) fetchAggregatingTasks(qname, group string, pageSize, pageNum int) {
var (
i = f.inspector
tasksCh = f.tasksCh
errorCh = f.errorCh
queueCh = f.queueCh
)
go fetchAggregatingTasks(i, qname, group, pageSize, pageNum, tasksCh, errorCh)
go fetchQueueInfo(i, qname, queueCh, errorCh)
}
func fetchAggregatingTasks(i *asynq.Inspector, qname, group string, pageSize, pageNum int,
tasksCh chan<- []*asynq.TaskInfo, errorCh chan<- error) {
tasks, err := i.ListAggregatingTasks(qname, group, asynq.PageSize(pageSize), asynq.Page(pageNum))
if err != nil {
errorCh <- err
return
}
tasksCh <- tasks
}
func (f *dataFetcher) fetchTasks(qname string, taskState asynq.TaskState, pageSize, pageNum int) {
var (
i = f.inspector
tasksCh = f.tasksCh
errorCh = f.errorCh
queueCh = f.queueCh
)
go fetchTasks(i, qname, taskState, pageSize, pageNum, tasksCh, errorCh)
go fetchQueueInfo(i, qname, queueCh, errorCh)
}
func fetchTasks(i *asynq.Inspector, qname string, taskState asynq.TaskState, pageSize, pageNum int,
tasksCh chan<- []*asynq.TaskInfo, errorCh chan<- error) {
var (
tasks []*asynq.TaskInfo
err error
)
opts := []asynq.ListOption{asynq.PageSize(pageSize), asynq.Page(pageNum)}
switch taskState {
case asynq.TaskStateActive:
tasks, err = i.ListActiveTasks(qname, opts...)
case asynq.TaskStatePending:
tasks, err = i.ListPendingTasks(qname, opts...)
case asynq.TaskStateScheduled:
tasks, err = i.ListScheduledTasks(qname, opts...)
case asynq.TaskStateRetry:
tasks, err = i.ListRetryTasks(qname, opts...)
case asynq.TaskStateArchived:
tasks, err = i.ListArchivedTasks(qname, opts...)
case asynq.TaskStateCompleted:
tasks, err = i.ListCompletedTasks(qname, opts...)
}
if err != nil {
errorCh <- err
return
}
tasksCh <- tasks
}
func (f *dataFetcher) fetchTaskInfo(qname, taskID string) {
var (
i = f.inspector
taskCh = f.taskCh
errorCh = f.errorCh
)
go fetchTaskInfo(i, qname, taskID, taskCh, errorCh)
}
func fetchTaskInfo(i *asynq.Inspector, qname, taskID string, taskCh chan<- *asynq.TaskInfo, errorCh chan<- error) {
info, err := i.GetTaskInfo(qname, taskID)
if err != nil {
errorCh <- err
return
}
taskCh <- info
}

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// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"os"
"time"
"github.com/gdamore/tcell/v2"
"github.com/hibiken/asynq"
)
// keyEventHandler handles keyboard events and updates the state.
// It delegates data fetching to fetcher and UI rendering to drawer.
type keyEventHandler struct {
s tcell.Screen
state *State
done chan struct{}
fetcher fetcher
drawer drawer
ticker *time.Ticker
pollInterval time.Duration
}
func (h *keyEventHandler) quit() {
h.s.Fini()
close(h.done)
os.Exit(0)
}
func (h *keyEventHandler) HandleKeyEvent(ev *tcell.EventKey) {
if ev.Key() == tcell.KeyEscape || ev.Rune() == 'q' {
h.goBack() // Esc and 'q' key have "go back" semantics
} else if ev.Key() == tcell.KeyCtrlC {
h.quit()
} else if ev.Key() == tcell.KeyCtrlL {
h.s.Sync()
} else if ev.Key() == tcell.KeyDown || ev.Rune() == 'j' {
h.handleDownKey()
} else if ev.Key() == tcell.KeyUp || ev.Rune() == 'k' {
h.handleUpKey()
} else if ev.Key() == tcell.KeyRight || ev.Rune() == 'l' {
h.handleRightKey()
} else if ev.Key() == tcell.KeyLeft || ev.Rune() == 'h' {
h.handleLeftKey()
} else if ev.Key() == tcell.KeyEnter {
h.handleEnterKey()
} else if ev.Rune() == '?' {
h.showHelp()
} else if ev.Rune() == 'n' {
h.nextPage()
} else if ev.Rune() == 'p' {
h.prevPage()
}
}
func (h *keyEventHandler) goBack() {
var (
state = h.state
d = h.drawer
f = h.fetcher
)
if state.view == viewTypeHelp {
state.view = state.prevView // exit help
f.Fetch(state)
h.resetTicker()
d.Draw(state)
} else if state.view == viewTypeQueueDetails {
// if task modal is open close it; otherwise go back to the previous view
if state.taskID != "" {
state.taskID = ""
state.selectedTask = nil
d.Draw(state)
} else {
state.view = viewTypeQueues
f.Fetch(state)
h.resetTicker()
d.Draw(state)
}
} else {
h.quit()
}
}
func (h *keyEventHandler) handleDownKey() {
switch h.state.view {
case viewTypeQueues:
h.downKeyQueues()
case viewTypeQueueDetails:
h.downKeyQueueDetails()
}
}
func (h *keyEventHandler) downKeyQueues() {
if h.state.queueTableRowIdx < len(h.state.queues) {
h.state.queueTableRowIdx++
} else {
h.state.queueTableRowIdx = 0 // loop back
}
h.drawer.Draw(h.state)
}
func (h *keyEventHandler) downKeyQueueDetails() {
s, state := h.s, h.state
if shouldShowGroupTable(state) {
if state.groupTableRowIdx < groupPageSize(s) {
state.groupTableRowIdx++
} else {
state.groupTableRowIdx = 0 // loop back
}
} else if state.taskID == "" {
if state.taskTableRowIdx < len(state.tasks) {
state.taskTableRowIdx++
} else {
state.taskTableRowIdx = 0 // loop back
}
}
h.drawer.Draw(state)
}
func (h *keyEventHandler) handleUpKey() {
switch h.state.view {
case viewTypeQueues:
h.upKeyQueues()
case viewTypeQueueDetails:
h.upKeyQueueDetails()
}
}
func (h *keyEventHandler) upKeyQueues() {
state := h.state
if state.queueTableRowIdx == 0 {
state.queueTableRowIdx = len(state.queues)
} else {
state.queueTableRowIdx--
}
h.drawer.Draw(state)
}
func (h *keyEventHandler) upKeyQueueDetails() {
s, state := h.s, h.state
if shouldShowGroupTable(state) {
if state.groupTableRowIdx == 0 {
state.groupTableRowIdx = groupPageSize(s)
} else {
state.groupTableRowIdx--
}
} else if state.taskID == "" {
if state.taskTableRowIdx == 0 {
state.taskTableRowIdx = len(state.tasks)
} else {
state.taskTableRowIdx--
}
}
h.drawer.Draw(state)
}
func (h *keyEventHandler) handleEnterKey() {
switch h.state.view {
case viewTypeQueues:
h.enterKeyQueues()
case viewTypeQueueDetails:
h.enterKeyQueueDetails()
}
}
func (h *keyEventHandler) resetTicker() {
h.ticker.Reset(h.pollInterval)
}
func (h *keyEventHandler) enterKeyQueues() {
var (
state = h.state
f = h.fetcher
d = h.drawer
)
if state.queueTableRowIdx != 0 {
state.selectedQueue = state.queues[state.queueTableRowIdx-1]
state.view = viewTypeQueueDetails
state.taskState = asynq.TaskStateActive
state.tasks = nil
state.pageNum = 1
f.Fetch(state)
h.resetTicker()
d.Draw(state)
}
}
func (h *keyEventHandler) enterKeyQueueDetails() {
var (
state = h.state
f = h.fetcher
d = h.drawer
)
if shouldShowGroupTable(state) && state.groupTableRowIdx != 0 {
state.selectedGroup = state.groups[state.groupTableRowIdx-1]
state.tasks = nil
state.pageNum = 1
f.Fetch(state)
h.resetTicker()
d.Draw(state)
} else if !shouldShowGroupTable(state) && state.taskTableRowIdx != 0 {
task := state.tasks[state.taskTableRowIdx-1]
state.selectedTask = task
state.taskID = task.ID
f.Fetch(state)
h.resetTicker()
d.Draw(state)
}
}
func (h *keyEventHandler) handleLeftKey() {
var (
state = h.state
f = h.fetcher
d = h.drawer
)
if state.view == viewTypeQueueDetails && state.taskID == "" {
state.taskState = prevTaskState(state.taskState)
state.pageNum = 1
state.taskTableRowIdx = 0
state.tasks = nil
state.selectedGroup = nil
f.Fetch(state)
h.resetTicker()
d.Draw(state)
}
}
func (h *keyEventHandler) handleRightKey() {
var (
state = h.state
f = h.fetcher
d = h.drawer
)
if state.view == viewTypeQueueDetails && state.taskID == "" {
state.taskState = nextTaskState(state.taskState)
state.pageNum = 1
state.taskTableRowIdx = 0
state.tasks = nil
state.selectedGroup = nil
f.Fetch(state)
h.resetTicker()
d.Draw(state)
}
}
func (h *keyEventHandler) nextPage() {
var (
s = h.s
state = h.state
f = h.fetcher
d = h.drawer
)
if state.view == viewTypeQueueDetails {
if shouldShowGroupTable(state) {
pageSize := groupPageSize(s)
total := len(state.groups)
start := (state.pageNum - 1) * pageSize
end := start + pageSize
if end <= total {
state.pageNum++
d.Draw(state)
}
} else {
pageSize := taskPageSize(s)
totalCount := getTaskCount(state.selectedQueue, state.taskState)
if (state.pageNum-1)*pageSize+len(state.tasks) < totalCount {
state.pageNum++
f.Fetch(state)
h.resetTicker()
}
}
}
}
func (h *keyEventHandler) prevPage() {
var (
s = h.s
state = h.state
f = h.fetcher
d = h.drawer
)
if state.view == viewTypeQueueDetails {
if shouldShowGroupTable(state) {
pageSize := groupPageSize(s)
start := (state.pageNum - 1) * pageSize
if start > 0 {
state.pageNum--
d.Draw(state)
}
} else {
if state.pageNum > 1 {
state.pageNum--
f.Fetch(state)
h.resetTicker()
}
}
}
}
func (h *keyEventHandler) showHelp() {
var (
state = h.state
d = h.drawer
)
if state.view != viewTypeHelp {
state.prevView = state.view
state.view = viewTypeHelp
d.Draw(state)
}
}

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// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"testing"
"time"
"github.com/gdamore/tcell/v2"
"github.com/google/go-cmp/cmp"
"github.com/hibiken/asynq"
)
func makeKeyEventHandler(t *testing.T, state *State) *keyEventHandler {
ticker := time.NewTicker(time.Second)
t.Cleanup(func() { ticker.Stop() })
return &keyEventHandler{
s: tcell.NewSimulationScreen("UTF-8"),
state: state,
done: make(chan struct{}),
fetcher: &fakeFetcher{},
drawer: &fakeDrawer{},
ticker: ticker,
pollInterval: time.Second,
}
}
type keyEventHandlerTest struct {
desc string // test description
state *State // initial state, to be mutated by the handler
events []*tcell.EventKey // keyboard events
wantState State // expected state after the events
}
func TestKeyEventHandler(t *testing.T) {
tests := []*keyEventHandlerTest{
{
desc: "navigates to help view",
state: &State{view: viewTypeQueues},
events: []*tcell.EventKey{tcell.NewEventKey(tcell.KeyRune, '?', tcell.ModNone)},
wantState: State{view: viewTypeHelp},
},
{
desc: "navigates to queue details view",
state: &State{
view: viewTypeQueues,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
},
queueTableRowIdx: 0,
},
events: []*tcell.EventKey{
tcell.NewEventKey(tcell.KeyRune, 'j', tcell.ModNone), // down
tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
},
wantState: State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
},
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 100, Active: 10, Pending: 40, Scheduled: 40, Completed: 10},
queueTableRowIdx: 1,
taskState: asynq.TaskStateActive,
pageNum: 1,
},
},
{
desc: "does nothing if no queues are present",
state: &State{
view: viewTypeQueues,
queues: []*asynq.QueueInfo{}, // empty
queueTableRowIdx: 0,
},
events: []*tcell.EventKey{
tcell.NewEventKey(tcell.KeyRune, 'j', tcell.ModNone), // down
tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
},
wantState: State{
view: viewTypeQueues,
queues: []*asynq.QueueInfo{},
queueTableRowIdx: 0,
},
},
{
desc: "opens task info modal",
state: &State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
},
events: []*tcell.EventKey{
tcell.NewEventKey(tcell.KeyEnter, '\n', tcell.ModNone), // Enter
},
wantState: State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
// new states
taskID: "yyyy",
selectedTask: &asynq.TaskInfo{ID: "yyyy", Type: "bar"},
},
},
{
desc: "Esc closes task info modal",
state: &State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
taskID: "yyyy", // presence of this field opens the modal
},
events: []*tcell.EventKey{
tcell.NewEventKey(tcell.KeyEscape, ' ', tcell.ModNone), // Esc
},
wantState: State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
taskID: "", // this field should be unset
},
},
{
desc: "Arrow keys are disabled while task info modal is open",
state: &State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
taskID: "yyyy", // presence of this field opens the modal
},
events: []*tcell.EventKey{
tcell.NewEventKey(tcell.KeyLeft, ' ', tcell.ModNone),
},
// no change
wantState: State{
view: viewTypeQueueDetails,
queues: []*asynq.QueueInfo{
{Queue: "default", Size: 500, Active: 10, Pending: 40},
},
queueTableRowIdx: 1,
selectedQueue: &asynq.QueueInfo{Queue: "default", Size: 50, Active: 10, Pending: 40},
taskState: asynq.TaskStatePending,
pageNum: 1,
tasks: []*asynq.TaskInfo{
{ID: "xxxx", Type: "foo"},
{ID: "yyyy", Type: "bar"},
{ID: "zzzz", Type: "baz"},
},
taskTableRowIdx: 2,
taskID: "yyyy", // presence of this field opens the modal
},
},
// TODO: Add more tests
}
for _, tc := range tests {
t.Run(tc.desc, func(t *testing.T) {
h := makeKeyEventHandler(t, tc.state)
for _, e := range tc.events {
h.HandleKeyEvent(e)
}
if diff := cmp.Diff(tc.wantState, *tc.state, cmp.AllowUnexported(State{})); diff != "" {
t.Errorf("after state was %+v, want %+v: (-want,+got)\n%s", *tc.state, tc.wantState, diff)
}
})
}
}
/*** fake implementation for tests ***/
type fakeFetcher struct{}
func (f *fakeFetcher) Fetch(s *State) {}
type fakeDrawer struct{}
func (d *fakeDrawer) Draw(s *State) {}

View File

@ -0,0 +1,100 @@
// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"strings"
"github.com/gdamore/tcell/v2"
"github.com/mattn/go-runewidth"
)
/*** Screen Drawer ***/
// ScreenDrawer is used to draw contents on screen.
//
// Usage example:
// d := NewScreenDrawer(s)
// d.Println("Hello world", mystyle)
// d.NL() // adds newline
// d.Print("foo", mystyle.Bold(true))
// d.Print("bar", mystyle.Italic(true))
type ScreenDrawer struct {
l *LineDrawer
}
func NewScreenDrawer(s tcell.Screen) *ScreenDrawer {
return &ScreenDrawer{l: NewLineDrawer(0, s)}
}
func (d *ScreenDrawer) Print(s string, style tcell.Style) {
d.l.Draw(s, style)
}
func (d *ScreenDrawer) Println(s string, style tcell.Style) {
d.Print(s, style)
d.NL()
}
// FillLine prints the given rune until the end of the current line
// and adds a newline.
func (d *ScreenDrawer) FillLine(r rune, style tcell.Style) {
w, _ := d.Screen().Size()
if w-d.l.col < 0 {
d.NL()
return
}
s := strings.Repeat(string(r), w-d.l.col)
d.Print(s, style)
d.NL()
}
func (d *ScreenDrawer) FillUntil(r rune, style tcell.Style, limit int) {
if d.l.col > limit {
return // already passed the limit
}
s := strings.Repeat(string(r), limit-d.l.col)
d.Print(s, style)
}
// NL adds a newline (i.e., moves to the next line).
func (d *ScreenDrawer) NL() {
d.l.row++
d.l.col = 0
}
func (d *ScreenDrawer) Screen() tcell.Screen {
return d.l.s
}
// Goto moves the screendrawer to the specified cell.
func (d *ScreenDrawer) Goto(x, y int) {
d.l.row = y
d.l.col = x
}
// Go to the bottom of the screen.
func (d *ScreenDrawer) GoToBottom() {
_, h := d.Screen().Size()
d.l.row = h - 1
d.l.col = 0
}
type LineDrawer struct {
s tcell.Screen
row int
col int
}
func NewLineDrawer(row int, s tcell.Screen) *LineDrawer {
return &LineDrawer{row: row, col: 0, s: s}
}
func (d *LineDrawer) Draw(s string, style tcell.Style) {
for _, r := range s {
d.s.SetContent(d.col, d.row, r, nil, style)
d.col += runewidth.RuneWidth(r)
}
}

View File

@ -0,0 +1,70 @@
// Copyright 2022 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package dash
import (
"github.com/gdamore/tcell/v2"
"github.com/mattn/go-runewidth"
)
type columnAlignment int
const (
alignRight columnAlignment = iota
alignLeft
)
type columnConfig[V any] struct {
name string
alignment columnAlignment
displayFn func(v V) string
}
type column[V any] struct {
*columnConfig[V]
width int
}
// Helper to draw a table.
func drawTable[V any](d *ScreenDrawer, style tcell.Style, configs []*columnConfig[V], data []V, highlightRowIdx int) {
const colBuffer = " " // extra buffer between columns
cols := make([]*column[V], len(configs))
for i, cfg := range configs {
cols[i] = &column[V]{cfg, runewidth.StringWidth(cfg.name)}
}
// adjust the column width to accommodate the widest value.
for _, v := range data {
for _, col := range cols {
if w := runewidth.StringWidth(col.displayFn(v)); col.width < w {
col.width = w
}
}
}
// print header
headerStyle := style.Background(tcell.ColorDimGray).Foreground(tcell.ColorWhite)
for _, col := range cols {
if col.alignment == alignLeft {
d.Print(rpad(col.name, col.width)+colBuffer, headerStyle)
} else {
d.Print(lpad(col.name, col.width)+colBuffer, headerStyle)
}
}
d.FillLine(' ', headerStyle)
// print body
for i, v := range data {
rowStyle := style
if highlightRowIdx == i {
rowStyle = style.Background(tcell.ColorDarkOliveGreen)
}
for _, col := range cols {
if col.alignment == alignLeft {
d.Print(rpad(col.displayFn(v), col.width)+colBuffer, rowStyle)
} else {
d.Print(lpad(col.displayFn(v), col.width)+colBuffer, rowStyle)
}
}
d.FillLine(' ', rowStyle)
}
}

View File

@ -259,6 +259,12 @@ func rpad(s string, padding int) string {
}
// lpad adds padding to the left of a string.
func lpad(s string, padding int) string {
tmpl := fmt.Sprintf("%%%ds ", padding)
return fmt.Sprintf(tmpl, s)
}
// indent indents the given text by given spaces.
func indent(text string, space int) string {
if len(text) == 0 {

View File

@ -1,13 +1,16 @@
module github.com/hibiken/asynq/tools
go 1.13
go 1.18
require (
github.com/MakeNowJust/heredoc/v2 v2.0.1
github.com/fatih/color v1.9.0
github.com/gdamore/tcell/v2 v2.5.1
github.com/go-redis/redis/v8 v8.11.4
github.com/google/go-cmp v0.5.6
github.com/hibiken/asynq v0.23.0
github.com/hibiken/asynq/x v0.0.0-20220131170841-349f4c50fb1d
github.com/mattn/go-runewidth v0.0.13
github.com/mitchellh/go-homedir v1.1.0
github.com/prometheus/client_golang v1.11.0
github.com/spf13/cobra v1.1.1
@ -15,3 +18,38 @@ require (
github.com/spf13/viper v1.7.0
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/fsnotify/fsnotify v1.4.9 // indirect
github.com/gdamore/encoding v1.0.0 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
github.com/inconshreveable/mousetrap v1.0.0 // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/magiconair/properties v1.8.1 // indirect
github.com/mattn/go-colorable v0.1.4 // indirect
github.com/mattn/go-isatty v0.0.11 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/mitchellh/mapstructure v1.1.2 // indirect
github.com/pelletier/go-toml v1.2.0 // indirect
github.com/prometheus/client_model v0.2.0 // indirect
github.com/prometheus/common v0.26.0 // indirect
github.com/prometheus/procfs v0.6.0 // indirect
github.com/rivo/uniseg v0.2.0 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect
github.com/spf13/afero v1.1.2 // indirect
github.com/spf13/cast v1.3.1 // indirect
github.com/spf13/jwalterweatherman v1.0.0 // indirect
github.com/subosito/gotenv v1.2.0 // indirect
golang.org/x/sys v0.0.0-20220318055525-2edf467146b5 // indirect
golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
golang.org/x/text v0.3.7 // indirect
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
google.golang.org/protobuf v1.26.0 // indirect
gopkg.in/ini.v1 v1.51.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)

View File

@ -32,7 +32,6 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
@ -59,6 +58,10 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/gdamore/tcell/v2 v2.5.1 h1:zc3LPdpK184lBW7syF2a5C6MV827KmErk9jGVnmsl/I=
github.com/gdamore/tcell/v2 v2.5.1/go.mod h1:wSkrPaXoiIWZqW/g7Px4xc79di6FTcpB8tvaKJ6uGBo=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@ -169,6 +172,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
@ -178,6 +183,8 @@ github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNx
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM=
github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
@ -244,6 +251,8 @@ github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4O
github.com/prometheus/procfs v0.6.0 h1:mxy4L2jP6qMonqmq+aTtOx1ifVWUgG/TAmntgbh3xv4=
github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
@ -385,15 +394,19 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 h1:JWgyZ1qgdTaF3N3oxC+MdTV7qvEEgHo3otj+HB5CM7Q=
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220318055525-2edf467146b5 h1:saXMvIOKvRFwbOMicHXr0B1uwoxq9dGmLe5ExMES6c4=
golang.org/x/sys v0.0.0-20220318055525-2edf467146b5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=
golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=