firehol/netdata

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

package apcupsd

import (
    _ "embed"
    "errors"
    "time"

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

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

func init() {
    module.Register("apcupsd", module.Creator{
        JobConfigSchema: configSchema,
        Create:          func() module.Module { return New() },
        Config:          func() any { return &Config{} },
    })
}

func New() *Apcupsd {
    return &Apcupsd{
        Config: Config{
            Address: "127.0.0.1:3551",
            Timeout: confopt.Duration(time.Second * 3),
        },
        newConn: newUpsdConn,
        charts:  charts.Copy(),
    }
}

type Config struct {
    UpdateEvery int              `yaml:"update_every,omitempty" json:"update_every"`
    Address     string           `yaml:"address" json:"address"`
    Timeout     confopt.Duration `yaml:"timeout,omitempty" json:"timeout"`
}

type Apcupsd struct {
    module.Base
    Config `yaml:",inline" json:""`

    charts *module.Charts

    conn    apcupsdConn
    newConn func(Config) apcupsdConn
}

func (a *Apcupsd) Configuration() any {
    return a.Config
}

func (a *Apcupsd) Init() error {
    if a.Address == "" {
        a.Error("config: 'address' not set")
        return errors.New("address not set")
    }

    return nil
}

func (a *Apcupsd) Check() error {
    mx, err := a.collect()
    if err != nil {
        a.Error(err)
        return err
    }
    if len(mx) == 0 {
        return errors.New("no metrics collected")
    }
    return nil
}

func (a *Apcupsd) Charts() *module.Charts {
    return a.charts
}

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

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

func (a *Apcupsd) Cleanup() {
    if a.conn != nil {
        if err := a.conn.disconnect(); err != nil {
            a.Warningf("error on disconnect: %v", err)
        }
        a.conn = nil
    }
}