mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-30 07:59:53 -08:00
47 lines
1 KiB
Go
47 lines
1 KiB
Go
// +build !noattributes
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package collector
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import (
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"github.com/golang/glog"
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"github.com/prometheus/client_golang/prometheus"
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)
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type attributesCollector struct {
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config Config
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metric *prometheus.GaugeVec
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}
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func init() {
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Factories["attributes"] = NewAttributesCollector
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}
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// Takes a config struct and prometheus registry and returns a new Collector exposing
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// labels from the config.
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func NewAttributesCollector(config Config) (Collector, error) {
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labelNames := []string{}
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for l := range config.Attributes {
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labelNames = append(labelNames, l)
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}
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return &attributesCollector{
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config: config,
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metric: prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Namespace: Namespace,
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Name: "attributes",
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Help: "The node_exporter attributes.",
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},
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labelNames,
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),
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}, nil
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}
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func (c *attributesCollector) Update(ch chan<- prometheus.Metric) (err error) {
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glog.V(1).Info("Set node_attributes{%v}: 1", c.config.Attributes)
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c.metric.Reset()
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c.metric.With(c.config.Attributes).Set(1)
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c.metric.Collect(ch)
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return err
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}
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