组件分享之后端组件——基于Golang实现的用于收集、处理、聚合和编写指标的代理telegraf

//go:generate ../../../tools/readme_config_includer/generator
package simple

import (
    _ "embed"

    "github.com/influxdata/telegraf"
    "github.com/influxdata/telegraf/plugins/inputs"
)

// DO NOT REMOVE THE NEXT TWO LINES! This is required to embed the sampleConfig data.
//go:embed sample.conf
var sampleConfig string

type Simple struct {
    Ok  bool            `toml:"ok"`
    Log telegraf.Logger `toml:"-"`
}

func (*Simple) SampleConfig() string {
    return sampleConfig
}

// Init用于设置和验证配置。
func (s *Simple) Init() error {
    return nil
}

func (s *Simple) Gather(acc telegraf.Accumulator) error {
    if s.Ok {
        acc.AddFields("state", map[string]interface{}{"value": "pretty good"}, nil)
    } else {
        acc.AddFields("state", map[string]interface{}{"value": "not great"}, nil)
    }

    return nil
}

func init() {
    inputs.Add("simple", func() telegraf.Input { return &Simple{} })
}