firehol/netdata

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

package phpfpm

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"
    "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web"
)

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

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

func New() *Phpfpm {
    return &Phpfpm{
        Config: Config{
            HTTPConfig: web.HTTPConfig{
                RequestConfig: web.RequestConfig{
                    URL: "http://127.0.0.1/status?full&json",
                },
                ClientConfig: web.ClientConfig{
                    Timeout: confopt.Duration(time.Second),
                },
            },
            FcgiPath: "/status",
        },
    }
}

type Config struct {
    UpdateEvery    int `yaml:"update_every,omitempty" json:"update_every"`
    web.HTTPConfig `yaml:",inline" json:""`
    Socket         string `yaml:"socket,omitempty" json:"socket"`
    Address        string `yaml:"address,omitempty" json:"address"`
    FcgiPath       string `yaml:"fcgi_path,omitempty" json:"fcgi_path"`
}

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

    client client
}

func (p *Phpfpm) Configuration() any {
    return p.Config
}

func (p *Phpfpm) Init() error {
    c, err := p.initClient()
    if err != nil {
        p.Errorf("init client: %v", err)
        return err
    }
    p.client = c

    return nil
}

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

func (p *Phpfpm) Charts() *Charts {
    return charts.Copy()
}

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

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

func (p *Phpfpm) Cleanup() {}