92 lines
3.1 KiB
Go
92 lines
3.1 KiB
Go
package devtools
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import (
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"fmt"
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"log/slog"
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"math"
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"github.com/egoist/mygo/ui"
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"github.com/ZacharyZhang-NY/MujicaUI/agent"
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"github.com/ZacharyZhang-NY/MujicaUI/chart"
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"github.com/ZacharyZhang-NY/MujicaUI/core"
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"github.com/ZacharyZhang-NY/MujicaUI/data"
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)
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// ResourceReading is one resource's current use.
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type ResourceReading struct {
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// Name is required, as "CPU".
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Name string
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Used, Total float64
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// Unit follows the amounts, as "GB"; empty shows percent only.
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Unit string
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}
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// ResourceGaugeOptions configure a ResourceGauge; thresholds are fractions of Total.
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type ResourceGaugeOptions struct {
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// Warn and Critical default to 0.7 and 0.9.
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Warn, Critical float64
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// Height of each dial; zero means 150.
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Height float32
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Status data.DataStatus
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Error string
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}
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// ResourceGauge shows resource usage with named threshold bands.
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func ResourceGauge(c *ui.Context, readings []ResourceReading, opts ResourceGaugeOptions) core.ChoiceResult {
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if opts.Status != data.DataReady && opts.Status != data.DataLoading && opts.Status != data.DataFailed {
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panic("mujica: ResourceGauge needs a known status")
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}
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warn, crit := opts.Warn, opts.Critical
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if warn == 0 {
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warn = 0.7
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}
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if crit == 0 {
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crit = 0.9
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}
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if !(0 < warn && warn < crit && crit < 1) || opts.Height < 0 {
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panic("mujica: ResourceGauge needs 0 < Warn < Critical < 1 and Height >= 0")
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}
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h := opts.Height
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if h == 0 {
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h = 150
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}
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u := core.Density(c).Unit()
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row := ui.Row(c).Wrap().Gap(u * 4).Shrink(0)
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result := core.ChoiceResult{Element: row}
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row.Children(func() {
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if len(readings) == 0 {
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ui.Column(c).Height(h).Children(func() {
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result = core.NewChoiceResult(result.Element, data.DataPlaceholder(c, opts.Status, opts.Error, core.Msg(c, "resource_gauge.empty"), ""))
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})
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return
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}
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for i, r := range readings {
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if r.Name == "" || !(r.Total > 0) || r.Used < 0 || r.Used > r.Total || math.IsNaN(r.Used) || math.IsInf(r.Used, 0) || math.IsInf(r.Total, 0) {
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panic(fmt.Sprintf("mujica: ResourceGauge reading %d needs a Name and 0 <= Used <= Total", i))
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}
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frac := r.Used / r.Total
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ui.Column(c).Key(r.Name).Width(200).Gap(u).AlignItems(ui.Center).Children(func() {
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ui.Text(c, r.Name).FontWeight(600)
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gauge := chart.Gauge(c, frac*100, chart.GaugeOptions{
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Frame: chart.ChartFrame{Label: r.Name, Height: h, Status: opts.Status, Error: opts.Error}, Min: 0, Max: 100, Unit: "%",
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Format: func(v float64) string { return fmt.Sprintf("%.0f", v) },
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Segments: []chart.GaugeSegment{
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{To: warn * 100, Label: core.Msg(c, "resource_gauge.normal"), Tone: chart.GaugeGood},
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{To: crit * 100, Label: core.Msg(c, "resource_gauge.high"), Tone: chart.GaugeWarning},
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{To: 100, Label: core.Msg(c, "resource_gauge.critical"), Tone: chart.GaugeDanger},
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},
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})
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result = core.NewChoiceResult(result.Element, result.Changed() || gauge.Retried())
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if r.Unit != "" {
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agent.AgentCaption(c, fmt.Sprintf("%s / %s %s", agent.SandboxNum(r.Used), agent.SandboxNum(r.Total), r.Unit))
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}
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})
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}
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})
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if result.Changed() {
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slog.Debug("mujica: resource_gauge retry")
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}
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return result
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}
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