82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package collector
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import (
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"strings"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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)
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type internetCollector struct {
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props []string
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descriptions map[string]*prometheus.Desc
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}
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func newInternetCollector() routerOSCollector {
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c := &internetCollector{}
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c.init()
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return c
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}
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func (c *internetCollector) init() {
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// Properties other than 'name' that will be used in .proplist
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c.props = []string{"state"}
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// Description for the returned values in the metric
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labelNames := []string{"devicename", "interface"}
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c.descriptions = make(map[string]*prometheus.Desc)
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for _, p := range c.props {
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c.descriptions[p] = descriptionForPropertyName("internet", p, labelNames)
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}
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}
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func (c *internetCollector) describe(ch chan<- *prometheus.Desc) {
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for _, d := range c.descriptions {
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ch <- d
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}
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}
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func (c *internetCollector) collect(ctx *collectorContext) error {
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reply, err := ctx.client.Run("/interface/detect-internet/state/print", "=.proplist=name,"+strings.Join(c.props, ","))
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if err != nil {
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log.WithFields(log.Fields{
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"device": ctx.device.Name,
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"error": err,
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}).Error("error fetching detect-internet state")
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return err
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}
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for _, e := range reply.Re {
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for _, prop := range c.props {
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v, ok := e.Map[prop]
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if !ok {
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continue
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}
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value := float64(c.valueForProp(prop, v))
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ctx.ch <- prometheus.MustNewConstMetric(c.descriptions[prop], prometheus.GaugeValue, value, ctx.device.Name, e.Map["name"])
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}
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}
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return nil
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}
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// Here are the corresponding values for detect-internet's output:
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// - internet: 2
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// - wan: 1
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// - lan: 0
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func (c *internetCollector) valueForProp(name, value string) int {
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switch {
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case name == "state":
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return func(v string) int {
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if v == "internet" {
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return 2
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}
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if v == "wan" {
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return 1
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}
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return 0
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}(value)
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default:
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return 0
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}
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}
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