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62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package metrics
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import (
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"git.buddy.wtf/buddy/open-hardware-monitor-client/lib/client"
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"github.com/gosimple/slug"
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"github.com/prometheus/client_golang/prometheus"
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)
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// Collector type
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type Collector struct {
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vals []client.Value
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descs []*prometheus.Desc
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}
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// FromVals gets a collector
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func FromVals(vals []client.Value) *Collector {
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descs := make([]*prometheus.Desc, len(vals))
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for i, val := range vals {
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params := []string{}
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for _, hw := range val.Hardware {
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hwt := hw.Type
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typeslug := slug.Make(hwt.String())
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params = append(params, typeslug)
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}
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params = append(params, "unit")
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name, labels := val.MetricName()
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descs[i] = prometheus.NewDesc(
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name,
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name,
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params,
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labels,
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)
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}
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c := &Collector{
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vals: vals,
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descs: descs,
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}
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return c
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}
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// Describe method for interface
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func (c *Collector) Describe(ch chan<- *prometheus.Desc) {
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for _, d := range c.descs {
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ch <- d
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}
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}
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// Collect method for interface
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func (c *Collector) Collect(ch chan<- prometheus.Metric) {
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for i, val := range c.vals {
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desc := c.descs[i]
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labelVals := []string{}
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for _, hw := range val.Hardware {
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labelVals = append(labelVals, hw.Value)
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}
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labelVals = append(labelVals, slug.Make(val.Unit.String()))
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ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, val.Float64(), labelVals...)
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}
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}
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