mirror of
https://github.com/prometheus-community/windows_exporter
synced 2025-02-03 13:24:25 +00:00
145 lines
3.4 KiB
Go
145 lines
3.4 KiB
Go
// Copyright 2024 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build windows
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package thermalzone
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import (
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"fmt"
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"log/slog"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/perfdata"
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"github.com/prometheus-community/windows_exporter/internal/types"
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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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//nolint:gochecknoglobals
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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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config Config
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perfDataCollector *perfdata.Collector
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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(config *Config) *Collector {
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if config == nil {
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config = &ConfigDefaults
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}
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c := &Collector{
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config: *config,
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}
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return c
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}
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func NewWithFlags(_ *kingpin.Application) *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) Close() error {
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return nil
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}
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func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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var err error
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c.perfDataCollector, err = perfdata.NewCollector("Thermal Zone Information", perfdata.InstancesAll, []string{
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highPrecisionTemperature,
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percentPassiveLimit,
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throttleReasons,
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})
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if err != nil {
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return fmt.Errorf("failed to create Thermal Zone Information collector: %w", err)
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}
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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(ch chan<- prometheus.Metric) error {
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perfData, err := c.perfDataCollector.Collect()
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if err != nil {
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return fmt.Errorf("failed to collect Thermal Zone Information metrics: %w", err)
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}
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for sensorName, data := range perfData {
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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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(data[highPrecisionTemperature].FirstValue/10.0)-273.15,
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sensorName,
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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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data[percentPassiveLimit].FirstValue,
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sensorName,
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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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data[throttleReasons].FirstValue,
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sensorName,
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)
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}
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return nil
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}
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