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https://github.com/nshttpd/mikrotik-exporter.git
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f1f09b42bb
* DHCP Leases Collector Add Information about DHCP Leases: * Active MAC Address * Active Address * Hostname * Status * Expire time * Modified resource collector Add Boardname and RouterOS version metrics
70 lines
1.8 KiB
Go
70 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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"gopkg.in/routeros.v2/proto"
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)
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type dhcpLeaseCollector struct {
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props []string
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descriptions *prometheus.Desc
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}
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func (c *dhcpLeaseCollector) init() {
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c.props = []string{"active-mac-address", "status", "expires-after", "active-address", "host-name"}
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labelNames := []string{"name", "address", "activemacaddress", "status", "expiresafter", "activeaddress", "hostname"}
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c.descriptions = description("dhcp", "leases_metrics", "number of metrics", labelNames)
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}
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func newDHCPLCollector() routerOSCollector {
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c := &dhcpLeaseCollector{}
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c.init()
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return c
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}
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func (c *dhcpLeaseCollector) describe(ch chan<- *prometheus.Desc) {
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ch <- c.descriptions
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}
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func (c *dhcpLeaseCollector) 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.collectMetric(ctx, re)
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}
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return nil
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}
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func (c *dhcpLeaseCollector) fetch(ctx *collectorContext) ([]*proto.Sentence, error) {
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reply, err := ctx.client.Run("/ip/dhcp-server/lease/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 DHCP leases 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 *dhcpLeaseCollector) collectMetric(ctx *collectorContext, re *proto.Sentence) {
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v := 1.0
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activemacaddress := re.Map["active-mac-address"]
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status := re.Map["status"]
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expiresafter := re.Map["expires-after"]
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activeaddress := re.Map["active-address"]
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hostname := re.Map["host-name"]
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ctx.ch <- prometheus.MustNewConstMetric(c.descriptions, prometheus.CounterValue, v, ctx.device.Name, ctx.device.Address, activemacaddress, status, expiresafter, activeaddress, hostname)
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}
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