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Scrape thermal_zone temperatures (prometheus#1425)
* Scrape thermal_zone temperatures Signed-off-by: Richard Kojedzinszky <richard@kojedz.in>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // Copyright 2019 The Prometheus Authors | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // +build !nothermalzone | ||
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| package collector | ||
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| import ( | ||
| "fmt" | ||
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| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/procfs/sysfs" | ||
| ) | ||
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| type thermalZoneCollector struct { | ||
| fs sysfs.FS | ||
| zoneTemp *prometheus.Desc | ||
| } | ||
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| func init() { | ||
| registerCollector("thermal_zone", defaultEnabled, NewThermalZoneCollector) | ||
| } | ||
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| // NewThermalZoneCollector returns a new Collector exposing kernel/system statistics. | ||
| func NewThermalZoneCollector() (Collector, error) { | ||
| fs, err := sysfs.NewFS(*sysPath) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to open sysfs: %v", err) | ||
| } | ||
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| return &thermalZoneCollector{ | ||
| fs: fs, | ||
| zoneTemp: prometheus.NewDesc( | ||
| prometheus.BuildFQName(namespace, "thermal_zone", "temp"), | ||
| "Zone temperature in Celsius", | ||
| []string{"zone", "type"}, nil, | ||
| ), | ||
| }, nil | ||
| } | ||
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| func (c *thermalZoneCollector) Update(ch chan<- prometheus.Metric) error { | ||
| thermalZones, err := c.fs.ClassThermalZoneStats() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| for _, stats := range thermalZones { | ||
| ch <- prometheus.MustNewConstMetric( | ||
| c.zoneTemp, | ||
| prometheus.GaugeValue, | ||
| float64(stats.Temp)/1000.0, | ||
| stats.Name, | ||
| stats.Type, | ||
| ) | ||
| } | ||
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| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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@@ -33,6 +33,7 @@ enabled_collectors=$(cat << COLLECTORS | |
| schedstat | ||
| sockstat | ||
| stat | ||
| thermal_zone | ||
| textfile | ||
| bonding | ||
| vmstat | ||
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