109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package collector
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import (
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"strconv"
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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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"gopkg.in/routeros.v2/proto"
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)
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type interfaceCollector 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 newInterfaceCollector() routerOSCollector {
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c := &interfaceCollector{}
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c.init()
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return c
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}
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func (c *interfaceCollector) init() {
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c.props = []string{"name", "type", "disabled", "comment", "slave", "actual-mtu", "running", "rx-byte", "tx-byte", "rx-packet", "tx-packet", "rx-error", "tx-error", "rx-drop", "tx-drop", "link-downs"}
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labelNames := []string{"name", "address", "interface", "type", "disabled", "comment", "running", "slave"}
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c.descriptions = make(map[string]*prometheus.Desc)
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for _, p := range c.props[5:] {
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c.descriptions[p] = descriptionForPropertyName("interface", p, labelNames)
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}
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}
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func (c *interfaceCollector) 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 *interfaceCollector) 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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c.collectForStat(re, ctx)
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}
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return nil
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}
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func (c *interfaceCollector) fetch(ctx *collectorContext) ([]*proto.Sentence, error) {
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reply, err := ctx.client.Run("/interface/print", "=.proplist="+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 interface 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 *interfaceCollector) collectForStat(re *proto.Sentence, ctx *collectorContext) {
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for _, p := range c.props[5:] {
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c.collectMetricForProperty(p, re, ctx)
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}
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}
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func (c *interfaceCollector) collectMetricForProperty(property string, re *proto.Sentence, ctx *collectorContext) {
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desc := c.descriptions[property]
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if value := re.Map[property]; value != "" {
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var (
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v float64
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vtype prometheus.ValueType
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err error
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)
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vtype = prometheus.CounterValue
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switch property {
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case "running":
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vtype = prometheus.GaugeValue
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if value == "true" {
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v = 1
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} else {
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v = 0
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}
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case "actual-mtu":
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vtype = prometheus.GaugeValue
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fallthrough
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default:
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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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"interface": re.Map["name"],
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"property": property,
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"value": value,
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"error": err,
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}).Error("error parsing interface metric value")
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return
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}
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}
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ctx.ch <- prometheus.MustNewConstMetric(desc, vtype, v, ctx.device.Name, ctx.device.Address,
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re.Map["name"], re.Map["type"], re.Map["disabled"], re.Map["comment"], re.Map["running"], re.Map["slave"])
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}
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}
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