firehol/netdata

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

package hpssa

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("hpssa", module.Creator{
        JobConfigSchema: configSchema,
        Defaults: module.Defaults{
            UpdateEvery: 10,
        },
        Create: func() module.Module { return New() },
        Config: func() any { return &Config{} },
    })
}

func New() *Hpssa {
    return &Hpssa{
        Config: Config{
            Timeout: confopt.Duration(time.Second * 2),
        },
        charts:          &module.Charts{},
        seenControllers: make(map[string]*hpssaController),
        seenArrays:      make(map[string]*hpssaArray),
        seenLDrives:     make(map[string]*hpssaLogicalDrive),
        seenPDrives:     make(map[string]*hpssaPhysicalDrive),
    }
}

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

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

        charts *module.Charts

        exec ssacli

        seenControllers map[string]*hpssaController
        seenArrays      map[string]*hpssaArray
        seenLDrives     map[string]*hpssaLogicalDrive
        seenPDrives     map[string]*hpssaPhysicalDrive
    }
    ssacli interface {
        controllersInfo() ([]byte, error)
    }
)

func (h *Hpssa) Configuration() any {
    return h.Config
}

func (h *Hpssa) Init() error {
    ssacliExec, err := h.initSsacliExec()
    if err != nil {
        h.Errorf("ssacli exec initialization: %v", err)
        return err
    }
    h.exec = ssacliExec

    return nil
}

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

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

    return nil
}

func (h *Hpssa) Charts() *module.Charts {
    return h.charts
}

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

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

    return mx
}

func (h *Hpssa) Cleanup() {}