f2866a3a2f
* added config file implementation, refactoring * add gitignore * improved test * preperations for more metrics * added resource metrics * added first bgp metrics * added asn as label for bgp metrics * added prefix and message counts to bgp metrics * simplified * Update README.md * added yaml dependency * fixed go routine call * added timeout * clean up * added TLS support * set default api port for TLS * added routes metric * added missing log information
113 lines
2.8 KiB
Go
113 lines
2.8 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/nshttpd/mikrotik-exporter/config"
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"github.com/prometheus/client_golang/prometheus"
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log "github.com/sirupsen/logrus"
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routeros "gopkg.in/routeros.v2"
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"gopkg.in/routeros.v2/proto"
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)
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var (
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bgpabelNames = []string{"name", "address", "session", "asn"}
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bgpProps = []string{"name", "remote-as", "state", "prefix-count", "updates-sent", "updates-received", "withdrawn-sent", "withdrawn-received"}
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bgpDescriptions map[string]*prometheus.Desc
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)
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func init() {
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bgpDescriptions = make(map[string]*prometheus.Desc)
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bgpDescriptions["state"] = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, "bgp", "up"),
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"BGP session is established (up = 1)",
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bgpabelNames,
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nil,
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)
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for _, p := range bgpProps[3:] {
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bgpDescriptions[p] = descriptionForPropertyName("bgp", p, bgpabelNames)
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}
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}
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type bgpCollector struct {
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}
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func (c *bgpCollector) describe(ch chan<- *prometheus.Desc) {
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for _, d := range bgpDescriptions {
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ch <- d
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}
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}
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func (c *bgpCollector) collect(ch chan<- prometheus.Metric, device *config.Device, client *routeros.Client) error {
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stats, err := c.fetch(client, device)
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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, device, ch)
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}
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return nil
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}
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func (c *bgpCollector) fetch(client *routeros.Client, device *config.Device) ([]*proto.Sentence, error) {
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reply, err := client.Run("/routing/bgp/peer/print", "=.proplist="+strings.Join(bgpProps, ","))
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if err != nil {
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log.WithFields(log.Fields{
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"device": device.Name,
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"error": err,
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}).Error("error fetching bgp 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 *bgpCollector) collectForStat(re *proto.Sentence, device *config.Device, ch chan<- prometheus.Metric) {
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var session, asn string
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for _, p := range bgpProps {
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if p == "name" {
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session = re.Map[p]
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} else if p == "remote-as" {
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asn = re.Map[p]
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} else {
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c.collectMetricForProperty(p, session, asn, device, re, ch)
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}
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}
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}
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func (c *bgpCollector) collectMetricForProperty(property, session, asn string, device *config.Device, re *proto.Sentence, ch chan<- prometheus.Metric) {
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desc := bgpDescriptions[property]
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v, err := c.parseValueForProperty(property, re.Map[property])
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if err != nil {
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log.WithFields(log.Fields{
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"device": device.Name,
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"session": session,
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"property": property,
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"value": re.Map[property],
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"error": err,
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}).Error("error parsing bgp metric value")
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return
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}
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ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, v, device.Name, device.Address, session, asn)
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}
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func (c *bgpCollector) parseValueForProperty(property, value string) (float64, error) {
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if property == "state" {
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if value == "established" {
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return 1, nil
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}
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return 0, nil
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}
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if value == "" {
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return 0, nil
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}
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return strconv.ParseFloat(value, 64)
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}
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