Agent: components 261-280

sandbox_status.go

@@ -0,0 +1,107 @@
+package mujica
+
+import (
+	"fmt"
+	"math"
+	"time"
+
+	"github.com/egoist/mygo/ui"
+
+	"mujicaui/icons"
+	"mujicaui/theme"
+)
+
+// SandboxState is a sandbox's lifecycle. The zero value is SandboxStarting.
+type SandboxState int
+
+const (
+	SandboxStarting SandboxState = iota
+	SandboxRunning
+	SandboxStopped
+	SandboxFailed
+)
+
+// SandboxResource is one metered resource, as CPU or memory.
+type SandboxResource struct {
+	Name        string
+	Used, Limit float64
+	// Unit follows the numbers, as "GB" or "cores".
+	Unit string
+}
+
+// SandboxInfo is the sandbox the caller reports.
+type SandboxInfo struct {
+	Name      string
+	State     SandboxState
+	Resources []SandboxResource
+	// Expires is the shutdown time; zero means none.
+	Expires time.Time
+}
+
+// SandboxStatusOptions configure a SandboxStatus.
+type SandboxStatusOptions struct {
+	Still bool
+}
+
+// SandboxStatus shows sandbox state, resources and time left.
+func SandboxStatus(c *ui.Context, info SandboxInfo, opts SandboxStatusOptions) *ui.Element {
+	agent := map[SandboxState]AgentState{SandboxStarting: AgentPlanning, SandboxRunning: AgentRunning, SandboxStopped: AgentSkipped, SandboxFailed: AgentFailed}
+	state, ok := agent[info.State]
+	if !ok {
+		panic(fmt.Sprintf("mujica: unknown SandboxState %d", int(info.State)))
+	}
+	for _, r := range info.Resources {
+		if r.Name == "" || !(r.Limit > 0) || r.Used < 0 || math.IsNaN(r.Used) || r.Used > r.Limit {
+			panic(fmt.Sprintf("mujica: SandboxStatus resource %q needs a name and 0 <= Used <= Limit", r.Name))
+		}
+	}
+	k := Tokens(c)
+	u := Density(c).Unit()
+	word := msg(c, "sandbox_status."+[...]string{"starting", "running", "stopped", "failed"}[info.State])
+	card := agentCard(c).Label(info.Name + ", " + word)
+	card.Children(func() {
+		ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Children(func() {
+			ui.Text(c, info.Name).FontWeight(600).SingleLine().Grow(1).Shrink(1)
+			AgentStatus(c, state, AgentStatusOptions{Label: word, Still: opts.Still})
+		})
+		for _, r := range info.Resources {
+			frac := r.Used / r.Limit
+			ui.Column(c).Gap(u).Children(func() {
+				ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Children(func() {
+					agentCaption(c, r.Name).Grow(1)
+					if frac >= 0.9 {
+						ui.Icon(c, icons.Must("triangle-alert")).Size(12, 12).TextColor(k.Warning).Label(msg(c, "sandbox_status.high"))
+					}
+					ui.Text(c, fmt.Sprintf("%s / %s %s", sandboxNum(r.Used), sandboxNum(r.Limit), r.Unit)).
+						FontSize(FontSize(c, theme.CaptionSize)).FontFeatures("tnum").TextColor(k.Text)
+				})
+				agentBar(c, frac, fmt.Sprintf("%s %.0f%%", r.Name, frac*100))
+			})
+		}
+		if !info.Expires.IsZero() && info.State != SandboxStopped && info.State != SandboxFailed {
+			left := info.Expires.Sub(c.Now())
+			text := msg(c, "sandbox_status.expired")
+			if left > 0 {
+				text = fmt.Sprintf(msg(c, "sandbox_status.left"), agentDuration(left.Truncate(time.Second)))
+				wait := left % time.Second
+				if wait == 0 {
+					wait = time.Second
+				}
+				c.After(wait)
+			}
+			ui.Row(c).Gap(u * 1.5).AlignItems(ui.Center).Role(ui.RoleStatus).Label(text).Children(func() {
+				ui.Icon(c, icons.Must("clock")).Size(14, 14).TextColor(k.TextMuted)
+				agentCaption(c, text)
+			})
+		}
+	})
+	return card
+}
+
+// sandboxNum prints a resource amount with at most one decimal.
+func sandboxNum(v float64) string {
+	if v == math.Trunc(v) {
+		return fmt.Sprintf("%.0f", v)
+	}
+	return fmt.Sprintf("%.1f", v)
+}