mirror of
https://github.com/nshttpd/mikrotik-exporter.git
synced 2024-06-27 10:34:46 +02:00
102 lines
2.4 KiB
Go
102 lines
2.4 KiB
Go
package collector
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import (
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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"gopkg.in/routeros.v2/proto"
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"strconv"
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)
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type healthCollector 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 newhealthCollector() routerOSCollector {
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c := &healthCollector{}
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c.init()
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return c
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}
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func (c *healthCollector) init() {
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c.props = []string{"voltage", "temperature", "cpu-temperature"}
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labelNames := []string{"name", "address"}
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helpText := []string{"Input voltage to the RouterOS board, in volts", "Temperature of RouterOS board, in degrees Celsius", "Temperature of RouterOS CPU, in degrees Celsius"}
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c.descriptions = make(map[string]*prometheus.Desc)
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for i, p := range c.props {
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c.descriptions[p] = descriptionForPropertyNameHelpText("health", p, labelNames, helpText[i])
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}
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}
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func (c *healthCollector) 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 *healthCollector) collect(ctx *collectorContext) error {
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stats, err := c.fetch(ctx)
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if err != nil {
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return err
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}
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for _, re := range stats {
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if metric, ok := re.Map["name"]; ok {
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c.collectMetricForProperty(metric, re, ctx)
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} else {
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c.collectForStat(re, ctx)
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}
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}
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return nil
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}
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func (c *healthCollector) fetch(ctx *collectorContext) ([]*proto.Sentence, error) {
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reply, err := ctx.client.Run("/system/health/print")
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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 system health metrics")
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return nil, err
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}
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return reply.Re, nil
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}
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func (c *healthCollector) collectForStat(re *proto.Sentence, ctx *collectorContext) {
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for _, p := range c.props[:3] {
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c.collectMetricForProperty(p, re, ctx)
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}
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}
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func (c *healthCollector) collectMetricForProperty(property string, re *proto.Sentence, ctx *collectorContext) {
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var v float64
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var err error
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name := property
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value := re.Map[property]
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if value == "" {
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var ok bool
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if value, ok = re.Map["value"]; !ok {
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return
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}
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}
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v, err = strconv.ParseFloat(value, 64)
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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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"property": name,
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"value": value,
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"error": err,
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}).Error("error parsing system health metric value")
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return
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}
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desc := c.descriptions[name]
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ctx.ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, v, ctx.device.Name, ctx.device.Address)
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}
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