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// SPDX-License-Identifier: GPL-3.0-or-later
package example
import (
"errors"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
)
func (e *Example) validateConfig() error {
if e.Config.Charts.Num <= 0 && e.Config.HiddenCharts.Num <= 0 {
return errors.New("'charts->num' or `hidden_charts->num` must be > 0")
}
if e.Config.Charts.Num > 0 && e.Config.Charts.Dims <= 0 {
return errors.New("'charts->dimensions' must be > 0")
}
if e.Config.HiddenCharts.Num > 0 && e.Config.HiddenCharts.Dims <= 0 {
return errors.New("'hidden_charts->dimensions' must be > 0")
}
return nil
}
func (e *Example) initCharts() (*module.Charts, error) {
charts := &module.Charts{}
var ctx int
v := calcContextEvery(e.Config.Charts.Num, e.Config.Charts.Contexts)
for i := 0; i < e.Config.Charts.Num; i++ {
if i != 0 && v != 0 && ctx < (e.Config.Charts.Contexts-1) && i%v == 0 {
ctx++
}
chart := newChart(i, ctx, e.Config.Charts.Labels, module.ChartType(e.Config.Charts.Type))
if err := charts.Add(chart); err != nil {
return nil, err
}
}
ctx = 0
v = calcContextEvery(e.Config.HiddenCharts.Num, e.Config.HiddenCharts.Contexts)
for i := 0; i < e.Config.HiddenCharts.Num; i++ {
if i != 0 && v != 0 && ctx < (e.Config.HiddenCharts.Contexts-1) && i%v == 0 {
ctx++
}
chart := newHiddenChart(i, ctx, e.Config.HiddenCharts.Labels, module.ChartType(e.Config.HiddenCharts.Type))
if err := charts.Add(chart); err != nil {
return nil, err
}
}
return charts, nil
}
func calcContextEvery(charts, contexts int) int {
if contexts <= 1 {
return 0
}
if contexts > charts {
return 1
}
return charts / contexts
}
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