mirror of
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39 lines
816 B
Go
39 lines
816 B
Go
// +build !notime
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package collector
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import (
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/log"
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)
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type timeCollector struct {
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metric prometheus.Counter
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}
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func init() {
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Factories["time"] = NewTimeCollector
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}
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// Takes a prometheus registry and returns a new Collector exposing
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// the current system time in seconds since epoch.
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func NewTimeCollector() (Collector, error) {
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return &timeCollector{
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metric: prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: Namespace,
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Name: "time",
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Help: "System time in seconds since epoch (1970).",
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}),
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}, nil
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}
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func (c *timeCollector) Update(ch chan<- prometheus.Metric) (err error) {
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now := float64(time.Now().Unix())
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log.Debugf("Set time: %f", now)
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c.metric.Set(now)
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c.metric.Collect(ch)
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return err
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}
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