clustvirt/lib/host/charts.go

26 lines
673 B
Go

package host
import (
"strings"
"github.com/wcharczuk/go-chart/v2"
)
// This file contains utilities to create charts based on the different data
// When a chart is rendered, it can return either an SVG or PNG. SVG is preferrable.
func (h *Host) ChartMemory() string {
c := chart.PieChart{
Width: 256,
Height: 256,
Values: []chart.Value{
{Value: float64(h.NodeMemory.Free / h.NodeMemory.Total), Label: "Free"},
{Value: float64(h.NodeMemory.Cached / h.NodeMemory.Total), Label: "Cached"},
{Value: float64(h.NodeMemory.Buffers / h.NodeMemory.Total), Label: "Buffers"},
},
}
sb := new(strings.Builder)
c.Render(chart.SVG, sb)
return sb.String()
}