firehol/netdata

// SPDX-License-Identifier: GPL-3.0-or-later

package testrandom

import (
    _ "embed"
    "math/rand"

    "github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
)

//go:embed "config_schema.json"
var configSchema string

func init() {
    module.Register("testrandom", module.Creator{
        JobConfigSchema: configSchema,
        Defaults: module.Defaults{
            UpdateEvery: module.UpdateEvery,
            Priority:    module.Priority,
            Disabled:    true,
        },
        Create: func() module.Module { return New() },
        Config: func() any { return &Config{} },
    })
}

func New() *TestRandom {
    return &TestRandom{
        Config: Config{
            Charts: ConfigCharts{
                Num:  1,
                Dims: 4,
            },
            HiddenCharts: ConfigCharts{
                Num:  0,
                Dims: 4,
            },
        },

        randInt:       func() int64 { return rand.Int63n(100) },
        collectedDims: make(map[string]bool),
    }
}

type (
    Config struct {
        UpdateEvery  int          `yaml:"update_every,omitempty" json:"update_every"`
        Charts       ConfigCharts `yaml:"charts" json:"charts"`
        HiddenCharts ConfigCharts `yaml:"hidden_charts" json:"hidden_charts"`
    }
    ConfigCharts struct {
        Type     string `yaml:"type,omitempty" json:"type"`
        Num      int    `yaml:"num" json:"num"`
        Contexts int    `yaml:"contexts" json:"contexts"`
        Dims     int    `yaml:"dimensions" json:"dimensions"`
        Labels   int    `yaml:"labels" json:"labels"`
    }
)

type TestRandom struct {
    module.Base // should be embedded by every module
    Config      `yaml:",inline"`

    randInt       func() int64
    charts        *module.Charts
    collectedDims map[string]bool
}

func (tr *TestRandom) Configuration() any {
    return tr.Config
}

func (tr *TestRandom) Init() error {
    err := tr.validateConfig()
    if err != nil {
        tr.Errorf("config validation: %v", err)
        return err
    }

    charts, err := tr.initCharts()
    if err != nil {
        tr.Errorf("charts init: %v", err)
        return err
    }
    tr.charts = charts
    return nil
}

func (tr *TestRandom) Check() error {
    return nil
}

func (tr *TestRandom) Charts() *module.Charts {
    return tr.charts
}

func (tr *TestRandom) Collect() map[string]int64 {
    mx, err := tr.collect()
    if err != nil {
        tr.Error(err)
    }

    if len(mx) == 0 {
        return nil
    }
    return mx
}

func (tr *TestRandom) Cleanup() {}