mirror of
https://github.com/prometheus-community/windows_exporter
synced 2025-02-03 21:34:18 +00:00
139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
//go:build windows
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package thermalzone
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import (
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"errors"
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"github.com/alecthomas/kingpin/v2"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus-community/windows_exporter/pkg/types"
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"github.com/prometheus-community/windows_exporter/pkg/wmi"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "thermalzone"
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type Config struct{}
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var ConfigDefaults = Config{}
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// A collector is a Prometheus collector for WMI Win32_PerfRawData_Counters_ThermalZoneInformation metrics
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type collector struct {
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logger log.Logger
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PercentPassiveLimit *prometheus.Desc
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Temperature *prometheus.Desc
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ThrottleReasons *prometheus.Desc
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}
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func New(logger log.Logger, _ *Config) types.Collector {
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c := &collector{}
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c.SetLogger(logger)
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return c
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}
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func NewWithFlags(_ *kingpin.Application) types.Collector {
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return &collector{}
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}
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func (c *collector) GetName() string {
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return Name
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}
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func (c *collector) SetLogger(logger log.Logger) {
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c.logger = log.With(logger, "collector", Name)
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}
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func (c *collector) GetPerfCounter() ([]string, error) {
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return []string{}, nil
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}
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func (c *collector) Build() error {
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c.Temperature = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "temperature_celsius"),
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"(Temperature)",
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[]string{
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"name",
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},
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nil,
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)
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c.PercentPassiveLimit = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "percent_passive_limit"),
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"(PercentPassiveLimit)",
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[]string{
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"name",
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},
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nil,
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)
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c.ThrottleReasons = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "throttle_reasons"),
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"(ThrottleReasons)",
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[]string{
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"name",
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},
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nil,
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)
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return nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *collector) Collect(_ *types.ScrapeContext, ch chan<- prometheus.Metric) error {
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if err := c.collect(ch); err != nil {
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_ = level.Error(c.logger).Log("msg", "failed collecting thermalzone metrics", "err", err)
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return err
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}
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return nil
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}
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// Win32_PerfRawData_Counters_ThermalZoneInformation docs:
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// https://wutils.com/wmi/root/cimv2/win32_perfrawdata_counters_thermalzoneinformation/
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type Win32_PerfRawData_Counters_ThermalZoneInformation struct {
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Name string
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HighPrecisionTemperature uint32
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PercentPassiveLimit uint32
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ThrottleReasons uint32
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}
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func (c *collector) collect(ch chan<- prometheus.Metric) error {
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var dst []Win32_PerfRawData_Counters_ThermalZoneInformation
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q := wmi.QueryAll(&dst, c.logger)
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if err := wmi.Query(q, &dst); err != nil {
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return err
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}
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// ThermalZone collector has been known to 'successfully' return an empty result.
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if len(dst) == 0 {
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return errors.New("Empty results set for collector")
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}
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for _, info := range dst {
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// Divide by 10 and subtract 273.15 to convert decikelvin to celsius
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ch <- prometheus.MustNewConstMetric(
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c.Temperature,
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prometheus.GaugeValue,
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(float64(info.HighPrecisionTemperature)/10.0)-273.15,
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info.Name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PercentPassiveLimit,
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prometheus.GaugeValue,
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float64(info.PercentPassiveLimit),
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info.Name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ThrottleReasons,
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prometheus.GaugeValue,
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float64(info.ThrottleReasons),
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info.Name,
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)
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}
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return nil
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}
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