mikrotik-exporter/collector/lte_collector.go
2021-03-25 20:13:19 +01:00

122 lines
3.1 KiB
Go

package collector
import (
"fmt"
"strconv"
"strings"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
"gopkg.in/routeros.v2/proto"
)
type lteCollector struct {
props []string
descriptions map[string]*prometheus.Desc
}
func newLteCollector() routerOSCollector {
c := &lteCollector{}
c.init()
return c
}
func (c *lteCollector) init() {
c.props = []string{"current-cellid", "primary-band" ,"ca-band", "rssi", "rsrp", "rsrq", "sinr"}
labelNames := []string{"name", "address", "interface", "cellid", "primaryband", "caband"}
c.descriptions = make(map[string]*prometheus.Desc)
for _, p := range c.props {
c.descriptions[p] = descriptionForPropertyName("lte_interface", p, labelNames)
}
}
func (c *lteCollector) describe(ch chan<- *prometheus.Desc) {
for _, d := range c.descriptions {
ch <- d
}
}
func (c *lteCollector) collect(ctx *collectorContext) error {
names, err := c.fetchInterfaceNames(ctx)
if err != nil {
return err
}
for _, n := range names {
err := c.collectForInterface(n, ctx)
if err != nil {
return err
}
}
return nil
}
func (c *lteCollector) fetchInterfaceNames(ctx *collectorContext) ([]string, error) {
reply, err := ctx.client.Run("/interface/lte/print", "?disabled=false", "=.proplist=name")
if err != nil {
log.WithFields(log.Fields{
"device": ctx.device.Name,
"error": err,
}).Error("error fetching lte interface names")
return nil, err
}
names := []string{}
for _, re := range reply.Re {
names = append(names, re.Map["name"])
}
return names, nil
}
func (c *lteCollector) collectForInterface(iface string, ctx *collectorContext) error {
reply, err := ctx.client.Run("/interface/lte/info", fmt.Sprintf("=number=%s", iface), "=once=", "=.proplist="+strings.Join(c.props, ","))
if err != nil {
log.WithFields(log.Fields{
"interface": iface,
"device": ctx.device.Name,
"error": err,
}).Error("error fetching interface statistics")
return err
}
for _, p := range c.props[3:] {
// there's always going to be only one sentence in reply, as we
// have to explicitly specify the interface
c.collectMetricForProperty(p, iface, reply.Re[0], ctx)
}
return nil
}
func (c *lteCollector) collectMetricForProperty(property, iface string, re *proto.Sentence, ctx *collectorContext) {
desc := c.descriptions[property]
current_cellid := re.Map["current-cellid"]
// get only band and its width, drop earfcn and phy-cellid info
primaryband := re.Map["primary-band"]
if primaryband != "" {
primaryband = strings.Fields(primaryband)[0]
}
caband := re.Map["ca-band"]
if caband != "" {
caband = strings.Fields(caband)[0]
}
if re.Map[property] == "" {
return
}
v, err := strconv.ParseFloat(re.Map[property], 64)
if err != nil {
log.WithFields(log.Fields{
"property": property,
"interface": iface,
"device": ctx.device.Name,
"error": err,
}).Error("error parsing interface metric value")
return
}
ctx.ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, v, ctx.device.Name, ctx.device.Address, iface, current_cellid, primaryband, caband)
}