func (this *Redis) drawDashboard() {
termui.UseTheme("helloworld")
ops := termui.NewSparkline()
ops.Title = "ops over the last 2h"
ops.Height = 6
ops.LineColor = termui.ColorGreen
opsDatas := []int{}
res, err := this.queryInfluxDB(`SELECT sum("value") FROM "redis.ops.gauge" WHERE time > now() - 2h GROUP BY time(1m) fill(0)`)
swallow(err)
for _, cols := range res[0].Series[0].Values {
f, _ := cols[1].(json.Number).Float64()
opsDatas = append(opsDatas, int(f))
}
ops.Data = opsDatas
rx := termui.NewSparkline()
rx.Title = "rx over the last 2h"
rx.Height = 6
rx.LineColor = termui.ColorCyan
rxDatas := []int{}
res, err = this.queryInfluxDB(`SELECT sum("value") FROM "redis.rx.kbps.gauge" WHERE time > now() - 2h GROUP BY time(1m) fill(0)`)
swallow(err)
for _, cols := range res[0].Series[0].Values {
f, _ := cols[1].(json.Number).Float64()
rxDatas = append(rxDatas, int(f))
}
rx.Data = rxDatas
tx := termui.NewSparkline()
tx.Title = "tx over the last 2h"
tx.Height = 6
tx.LineColor = termui.ColorYellow
txDatas := []int{}
res, err = this.queryInfluxDB(`SELECT sum("value") FROM "redis.tx.kbps.gauge" WHERE time > now() - 2h GROUP BY time(1m) fill(0)`)
swallow(err)
for _, cols := range res[0].Series[0].Values {
f, _ := cols[1].(json.Number).Float64()
txDatas = append(txDatas, int(f))
}
tx.Data = txDatas
spls := termui.NewSparklines(ops, rx, tx)
spls.Width = this.w
spls.Height = this.h
spls.HasBorder = false
termui.Render(spls)
}
func drawDashboardByHour() {
lock.Lock()
commitByHours := make(map[int]int)
for _, evt := range events {
if hook, ok := evt.(*Webhook); ok {
for _, cmt := range hook.Commits {
t, _ := time.Parse(time.RFC3339, cmt.Timestamp)
if _, present := commitByHours[t.Hour()]; present {
commitByHours[t.Hour()]++
} else {
commitByHours[t.Hour()] = 1
}
}
}
}
lock.Unlock()
sortedHours := make([]int, 0, len(commitByHours))
for hour, _ := range commitByHours {
sortedHours = append(sortedHours, hour)
}
sort.Ints(sortedHours)
termbox.Clear(coldef, coldef)
termui.UseTheme("helloworld")
bc := termui.NewBarChart()
data := []int{}
bclabels := []string{}
for _, hour := range sortedHours {
data = append(data, commitByHours[hour])
bclabels = append(bclabels, fmt.Sprintf("%02d", hour))
}
bc.Border.Label = "Commit by hour"
bc.Data = data
bc.Width = w
bc.Height = h
bc.DataLabels = bclabels
bc.TextColor = termui.ColorGreen
bc.BarColor = termui.ColorRed
bc.NumColor = termui.ColorYellow
termui.Render(bc)
}
func (this *Histogram) drawAll(offsetTs []time.Time, offsets []int64,
netTs []time.Time, rx []int64, tx []int64) {
err := termui.Init()
swallow(err)
defer termui.Close()
termui.UseTheme("helloworld")
w, h := termbox.Size()
bc1 := termui.NewBarChart()
bc1.Border.Label = "Messages Produced/in million"
data := make([]int, 0)
for _, off := range offsets {
data = append(data, int(off/1000000)) // in million
}
bclabels := make([]string, 0)
for _, t := range offsetTs {
bclabels = append(bclabels, fmt.Sprintf("%02d", t.Hour()))
}
bc1.Data = data
bc1.Width = w
bc1.SetY(0)
bc1.Height = h / 3
bc1.DataLabels = bclabels
bc1.TextColor = termui.ColorWhite
bc1.BarColor = termui.ColorRed
bc1.NumColor = termui.ColorYellow
bclabels = make([]string, 0) // shared between bc2 and bc3
for _, t := range netTs {
bclabels = append(bclabels, fmt.Sprintf("%02d", t.Hour()))
}
bc2 := termui.NewBarChart()
bc2.Border.Label = "Network RX/in 10GB"
data = make([]int, 0)
for _, r := range rx {
data = append(data, int(r>>30)/10)
}
bc2.Data = data
bc2.Width = w
bc2.SetY(h / 3)
bc2.Height = h / 3
bc2.DataLabels = bclabels
bc2.TextColor = termui.ColorGreen
bc2.BarColor = termui.ColorRed
bc2.NumColor = termui.ColorYellow
bc3 := termui.NewBarChart()
bc3.Border.Label = "Network TX/in 10GB"
data = make([]int, 0)
for _, t := range tx {
data = append(data, int(t>>30)/10)
}
bc3.Data = data
bc3.Width = w
bc3.SetY(h * 2 / 3)
bc3.Height = h / 3
bc3.DataLabels = bclabels
bc3.TextColor = termui.ColorGreen
bc3.BarColor = termui.ColorRed
bc3.NumColor = termui.ColorYellow
termui.Render(bc1, bc2, bc3)
termbox.PollEvent()
}
func drawDashboard() {
hosts = HostsOfGroup(group)
data = make([][]float64, len(hosts))
// title
titlePanel := ui.NewPar(fmt.Sprintf("%s: %s / %v", group, itemName, tick*dataSize))
titlePanel.Height = titleHeight
titlePanel.PaddingLeft = 1
titlePanel.HasBorder = false
titlePanel.TextFgColor = ui.ColorCyan
// charts
charts := make([]*ui.LineChart, 0)
for i := 0; i < len(data); i++ {
chart := ui.NewLineChart()
chart.Border.Label = hosts[i].Name
chart.Data = fetchData(i, dataSize)
chart.Height = panelHeight
chart.PaddingTop = chartPaddingTop
chart.AxesColor = axesColor
chart.LineColor = lineColor
charts = append(charts, chart)
}
draw := func(size int) {
if size > 0 {
for i := 0; i < len(data); i++ {
charts[i].Data = fetchData(i, size)
}
}
ui.Render(ui.Body)
}
err := ui.Init()
must(err)
defer ui.Close()
ui.UseTheme(uiTheme)
// auto layout
rows := make([]*ui.Row, 1)
rows[0] = ui.NewRow(ui.NewCol(panelSpan*panelsPerRow, panelOffset, titlePanel))
for i := 0; i < len(hosts); i += panelsPerRow {
if i+1 == len(hosts) {
// the last single panel
rows = append(rows,
ui.NewRow(ui.NewCol(panelSpan, panelOffset, charts[i])))
} else {
rows = append(rows,
ui.NewRow(ui.NewCol(panelSpan, panelOffset, charts[i]),
ui.NewCol(panelSpan, panelOffset, charts[i+1])))
}
}
ui.Body.AddRows(rows...)
ui.Body.Align()
// draw the history data
draw(0)
evt := make(chan tm.Event)
go func() {
for {
evt <- tm.PollEvent()
}
}()
for {
select {
case e := <-evt:
if e.Type == tm.EventKey && e.Ch == 'q' {
return
}
if e.Type == tm.EventResize {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
}
case <-time.After(tick):
draw(1)
}
}
}
func (this *Top) drawDashboard() {
err := termui.Init()
swallow(err)
defer termui.Close()
termui.UseTheme("helloworld")
maxRound := termui.TermWidth() / 2
refreshProducerData := func(round int) []float64 {
this.showAndResetCounters()
if round%maxRound == (maxRound - 5) {
this.mu.Lock()
tailLen := len(this.totalMps) - 2
tail := this.totalMps[tailLen:]
this.totalMps = make([]float64, 2, 1000)
copy(this.totalMps, tail)
this.mu.Unlock()
}
return this.totalMps
}
refreshConsumerData := func(round int) []float64 {
if round%maxRound == (maxRound - 5) {
this.mu.Lock()
tailLen := len(this.totalConsumerMps) - 2
tail := this.totalConsumerMps[tailLen:]
this.totalConsumerMps = make([]float64, 2, 1000)
copy(this.totalConsumerMps, tail)
this.mu.Unlock()
}
return this.totalConsumerMps
}
producerChart := termui.NewLineChart()
producerChart.Mode = "dot"
producerChart.Border.Label = fmt.Sprintf("producer mps totals: %s %s %s",
this.zone, this.clusterPattern, this.topicPattern)
producerChart.Data = refreshProducerData(0)
producerChart.Width = termui.TermWidth() / 2
producerChart.Height = termui.TermHeight()
producerChart.X = 0
producerChart.Y = 0
producerChart.AxesColor = termui.ColorWhite
producerChart.LineColor = termui.ColorGreen | termui.AttrBold
consumerChart := termui.NewLineChart()
consumerChart.Mode = "dot"
consumerChart.Border.Label = fmt.Sprintf("consumer mps totals: %s %s %s",
this.zone, this.clusterPattern, this.topicPattern)
consumerChart.Data = refreshConsumerData(0)
consumerChart.Width = termui.TermWidth() / 2
consumerChart.Height = termui.TermHeight()
consumerChart.X = termui.TermWidth() / 2
consumerChart.Y = 0
consumerChart.AxesColor = termui.ColorWhite
consumerChart.LineColor = termui.ColorRed | termui.AttrBold
evt := make(chan termbox.Event)
go func() {
for {
evt <- termbox.PollEvent()
}
}()
termui.Render(producerChart, consumerChart)
tick := time.NewTicker(this.topInterval)
defer tick.Stop()
rounds := 0
for {
select {
case e := <-evt:
if e.Type == termbox.EventKey && e.Ch == 'q' {
return
}
case <-tick.C:
// refresh data, and skip the first 2 rounds
rounds++
if rounds > 1 {
producerChart.Data = refreshProducerData(rounds)
consumerChart.Data = refreshConsumerData(rounds)
termui.Render(producerChart, consumerChart)
}
}
}
}