firehol/netdata

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

package litespeed

import (
    _ "embed"
    "errors"

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

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

func init() {
    module.Register("litespeed", module.Creator{
        JobConfigSchema: configSchema,
        Defaults: module.Defaults{
            UpdateEvery: 10, // The .rtreport files are generated per worker, and updated every 10 seconds.
        },
        Create: func() module.Module { return New() },
        Config: func() any { return &Config{} },
    })
}

func New() *Litespeed {
    return &Litespeed{
        Config: Config{
            //ReportsDir: "/tmp/lshttpd/",
            ReportsDir: "/opt/litespeed",
        },
        checkDir: true,
        charts:   charts.Copy(),
    }
}

type Config struct {
    UpdateEvery int    `yaml:"update_every,omitempty" json:"update_every"`
    ReportsDir  string `yaml:"reports_dir" json:"reports_dir"`
}

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

    checkDir bool

    charts *module.Charts
}

func (l *Litespeed) Configuration() any {
    return l.Config
}

func (l *Litespeed) Init() error {
    if l.ReportsDir == "" {
        return errors.New("reports_dir is required")
    }
    return nil
}

func (l *Litespeed) Check() error {
    mx, err := l.collect()
    if err != nil {
        l.Error(err)
        return err
    }

    if len(mx) == 0 {
        return errors.New("no metrics collected")
    }

    return nil
}

func (l *Litespeed) Charts() *module.Charts {
    return l.charts
}

func (l *Litespeed) Collect() map[string]int64 {
    mx, err := l.collect()

    if err != nil {
        l.Error(err)
        return nil
    }

    return mx
}

func (l *Litespeed) Cleanup() {}