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|
// SPDX-License-Identifier: GPL-3.0-or-later
//go:build linux || freebsd || openbsd || netbsd || dragonfly
package smartctl
import (
_ "embed"
"errors"
"fmt"
"time"
"github.com/netdata/netdata/go/plugins/pkg/matcher"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/confopt"
"github.com/tidwall/gjson"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("smartctl", module.Creator{
JobConfigSchema: configSchema,
Defaults: module.Defaults{
UpdateEvery: 10,
},
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Smartctl {
return &Smartctl{
Config: Config{
Timeout: confopt.Duration(time.Second * 5),
ScanEvery: confopt.Duration(time.Minute * 15),
PollDevicesEvery: confopt.Duration(time.Minute * 5),
NoCheckPowerMode: "standby",
DeviceSelector: "*",
},
charts: &module.Charts{},
forceScan: true,
deviceSr: matcher.TRUE(),
seenDevices: make(map[string]bool),
}
}
type (
Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
Timeout confopt.Duration `yaml:"timeout,omitempty" json:"timeout"`
ScanEvery confopt.Duration `yaml:"scan_every,omitempty" json:"scan_every"`
PollDevicesEvery confopt.Duration `yaml:"poll_devices_every,omitempty" json:"poll_devices_every"`
NoCheckPowerMode string `yaml:"no_check_power_mode,omitempty" json:"no_check_power_mode"`
DeviceSelector string `yaml:"device_selector,omitempty" json:"device_selector"`
ExtraDevices []ConfigExtraDevice `yaml:"extra_devices,omitempty" json:"extra_devices"`
}
ConfigExtraDevice struct {
Name string `yaml:"name" json:"name"`
Type string `yaml:"type" json:"type"`
}
)
type (
Smartctl struct {
module.Base
Config `yaml:",inline" data:""`
charts *module.Charts
exec smartctlCli
deviceSr matcher.Matcher
lastScanTime time.Time
forceScan bool
scannedDevices map[string]*scanDevice
lastDevicePollTime time.Time
forceDevicePoll bool
seenDevices map[string]bool
mx map[string]int64
}
smartctlCli interface {
scan(open bool) (*gjson.Result, error)
deviceInfo(deviceName, deviceType, powerMode string) (*gjson.Result, error)
}
)
func (s *Smartctl) Configuration() any {
return s.Config
}
func (s *Smartctl) Init() error {
if err := s.validateConfig(); err != nil {
return fmt.Errorf("config validation: %s", err)
}
sr, err := s.initDeviceSelector()
if err != nil {
return fmt.Errorf("device selector initialization: %v", err)
}
s.deviceSr = sr
smartctlExec, err := s.initSmartctlCli()
if err != nil {
return fmt.Errorf("smartctl exec initialization: %v", err)
}
s.exec = smartctlExec
return nil
}
func (s *Smartctl) Check() error {
mx, err := s.collect()
if err != nil {
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (s *Smartctl) Charts() *module.Charts {
return s.charts
}
func (s *Smartctl) Collect() map[string]int64 {
mx, err := s.collect()
if err != nil {
s.Error(err)
}
if len(mx) == 0 {
return nil
}
return mx
}
func (s *Smartctl) Cleanup() {}
|
