| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package testrandom |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | |
| 8 | "github.com/netdata/netdata/go/plugins/plugin/framework/collectorapi" |
| 9 | ) |
| 10 | |
| 11 | func (c *Collector) validateConfig() error { |
| 12 | if c.Config.Charts.Num <= 0 && c.Config.HiddenCharts.Num <= 0 { |
| 13 | return errors.New("'charts->num' or `hidden_charts->num` must be > 0") |
| 14 | } |
| 15 | if c.Config.Charts.Num > 0 && c.Config.Charts.Dims <= 0 { |
| 16 | return errors.New("'charts->dimensions' must be > 0") |
| 17 | } |
| 18 | if c.Config.HiddenCharts.Num > 0 && c.Config.HiddenCharts.Dims <= 0 { |
| 19 | return errors.New("'hidden_charts->dimensions' must be > 0") |
| 20 | } |
| 21 | return nil |
| 22 | } |
| 23 | |
| 24 | func (c *Collector) initCharts() (*collectorapi.Charts, error) { |
| 25 | charts := &collectorapi.Charts{} |
| 26 | |
| 27 | var ctx int |
| 28 | v := calcContextEvery(c.Config.Charts.Num, c.Config.Charts.Contexts) |
| 29 | for i := 0; i < c.Config.Charts.Num; i++ { |
| 30 | if i != 0 && v != 0 && ctx < (c.Config.Charts.Contexts-1) && i%v == 0 { |
| 31 | ctx++ |
| 32 | } |
| 33 | chart := newChart(i, ctx, c.Config.Charts.Labels, collectorapi.ChartType(c.Config.Charts.Type)) |
| 34 | |
| 35 | if err := charts.Add(chart); err != nil { |
| 36 | return nil, err |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | ctx = 0 |
| 41 | v = calcContextEvery(c.Config.HiddenCharts.Num, c.Config.HiddenCharts.Contexts) |
| 42 | for i := 0; i < c.Config.HiddenCharts.Num; i++ { |
| 43 | if i != 0 && v != 0 && ctx < (c.Config.HiddenCharts.Contexts-1) && i%v == 0 { |
| 44 | ctx++ |
| 45 | } |
| 46 | chart := newHiddenChart(i, ctx, c.Config.HiddenCharts.Labels, collectorapi.ChartType(c.Config.HiddenCharts.Type)) |
| 47 | |
| 48 | if err := charts.Add(chart); err != nil { |
| 49 | return nil, err |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | return charts, nil |
| 54 | } |
| 55 | |
| 56 | func calcContextEvery(charts, contexts int) int { |
| 57 | if contexts <= 1 { |
| 58 | return 0 |
| 59 | } |
| 60 | if contexts > charts { |
| 61 | return 1 |
| 62 | } |
| 63 | return charts / contexts |
| 64 | } |