Scrape thermal_zone temperatures (#1425)
* Scrape thermal_zone temperatures Signed-off-by: Richard Kojedzinszky <richard@kojedz.in>pull/1426/head
Richard Kojedzinszky
6 years ago
committed by
Ben Kochie
parent
10146109ec
commit
75462bf4fe
@ -0,0 +1,68 @@ |
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// Copyright 2019 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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// +build !nothermalzone
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package collector |
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import ( |
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"fmt" |
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"github.com/prometheus/client_golang/prometheus" |
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"github.com/prometheus/procfs/sysfs" |
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) |
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type thermalZoneCollector struct { |
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fs sysfs.FS |
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zoneTemp *prometheus.Desc |
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} |
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func init() { |
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registerCollector("thermal_zone", defaultEnabled, NewThermalZoneCollector) |
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} |
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// NewThermalZoneCollector returns a new Collector exposing kernel/system statistics.
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func NewThermalZoneCollector() (Collector, error) { |
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fs, err := sysfs.NewFS(*sysPath) |
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if err != nil { |
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return nil, fmt.Errorf("failed to open sysfs: %v", err) |
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} |
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return &thermalZoneCollector{ |
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fs: fs, |
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zoneTemp: prometheus.NewDesc( |
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prometheus.BuildFQName(namespace, "thermal_zone", "temp"), |
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"Zone temperature in Celsius", |
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[]string{"zone", "type"}, nil, |
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), |
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}, nil |
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} |
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func (c *thermalZoneCollector) Update(ch chan<- prometheus.Metric) error { |
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thermalZones, err := c.fs.ClassThermalZoneStats() |
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if err != nil { |
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return err |
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} |
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for _, stats := range thermalZones { |
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ch <- prometheus.MustNewConstMetric( |
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c.zoneTemp, |
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prometheus.GaugeValue, |
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float64(stats.Temp)/1000.0, |
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stats.Name, |
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stats.Type, |
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) |
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} |
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return nil |
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} |
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