Added optical diagnostic metrics (#10)

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:3.6
 
-EXPOSE 9090
+EXPOSE 9436
 
 COPY scripts/start.sh /app/
 COPY mikrotik-exporter /app/

README.md

@@ -59,6 +59,7 @@ features:
   dhcpv6: true
   routes: true
   pools: true
+  optics: true
 ```
 
 ###### example output

collector/collector.go

@@ -78,6 +78,13 @@ func WithPools() Option {
 	}
 }
 
+// WithOptics enables optical diagnstocs
+func WithOptics() Option {
+	return func(c *collector) {
+		c.collectors = append(c.collectors, newOpticsCollector())
+	}
+}
+
 // WithTimeout sets timeout for connecting to router
 func WithTimeout(d time.Duration) Option {
 	return func(c *collector) {

collector/interface_collector.go

@@ -21,9 +21,9 @@ func newInterfaceCollector() routerOSCollector {
 }
 
 func (c *interfaceCollector) init() {
-	c.props = []string{"name", "rx-byte", "tx-byte", "rx-packet", "tx-packet", "rx-error", "tx-error", "rx-drop", "tx-drop"}
+	c.props = []string{"name", "comment", "rx-byte", "tx-byte", "rx-packet", "tx-packet", "rx-error", "tx-error", "rx-drop", "tx-drop"}
 
-	labelNames := []string{"name", "address", "interface"}
+	labelNames := []string{"name", "address", "interface", "comment"}
 	c.descriptions = make(map[string]*prometheus.Desc)
 	for _, p := range c.props[1:] {
 		c.descriptions[p] = descriptionForPropertyName("interface", p, labelNames)
@@ -63,17 +63,15 @@ func (c *interfaceCollector) fetch(ctx *collectorContext) ([]*proto.Sentence, er
 }
 
 func (c *interfaceCollector) collectForStat(re *proto.Sentence, ctx *collectorContext) {
-	var iface string
-	for _, p := range c.props {
-		if p == "name" {
-			iface = re.Map[p]
-		} else {
-			c.collectMetricForProperty(p, iface, re, ctx)
-		}
+	name := re.Map["name"]
+	comment := re.Map["comment"]
+
+	for _, p := range c.props[2:] {
+		c.collectMetricForProperty(p, name, comment, re, ctx)
 	}
 }
 
-func (c *interfaceCollector) collectMetricForProperty(property, iface string, re *proto.Sentence, ctx *collectorContext) {
+func (c *interfaceCollector) collectMetricForProperty(property, iface, comment string, re *proto.Sentence, ctx *collectorContext) {
 	desc := c.descriptions[property]
 	v, err := strconv.ParseFloat(re.Map[property], 64)
 	if err != nil {
@@ -87,5 +85,5 @@ func (c *interfaceCollector) collectMetricForProperty(property, iface string, re
 		return
 	}
 
-	ctx.ch <- prometheus.MustNewConstMetric(desc, prometheus.CounterValue, v, ctx.device.Name, ctx.device.Address, iface)
+	ctx.ch <- prometheus.MustNewConstMetric(desc, prometheus.CounterValue, v, ctx.device.Name, ctx.device.Address, iface, comment)
 }

collector/optics_collector.go

@@ -0,0 +1,153 @@
+package collector
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/prometheus/client_golang/prometheus"
+	log "github.com/sirupsen/logrus"
+	"gopkg.in/routeros.v2/proto"
+)
+
+type opticsCollector struct {
+	rxStatusDesc    *prometheus.Desc
+	txStatusDesc    *prometheus.Desc
+	rxPowerDesc     *prometheus.Desc
+	txPowerDesc     *prometheus.Desc
+	temperatureDesc *prometheus.Desc
+	txBiasDesc      *prometheus.Desc
+	voltageDesc     *prometheus.Desc
+	props           []string
+}
+
+func newOpticsCollector() routerOSCollector {
+	const prefix = "optics"
+
+	labelNames := []string{"name", "address", "interface"}
+	return &opticsCollector{
+		rxStatusDesc:    description(prefix, "rx_status", "RX status (1 = no loss)", labelNames),
+		txStatusDesc:    description(prefix, "tx_status", "TX status (1 = no faults)", labelNames),
+		rxPowerDesc:     description(prefix, "rx_power_dbm", "RX power in dBM", labelNames),
+		txPowerDesc:     description(prefix, "tx_power_dbm", "TX power in dBM", labelNames),
+		temperatureDesc: description(prefix, "temperature_celsius", "temperature in degree celsius", labelNames),
+		txBiasDesc:      description(prefix, "tx_bias_ma", "bias is milliamps", labelNames),
+		voltageDesc:     description(prefix, "voltage_volt", "volage in volt", labelNames),
+		props:           []string{"sfp-rx-loss", "sfp-tx-fault", "sfp-temperature", "sfp-supply-voltage", "sfp-tx-bias-current", "sfp-tx-power", "sfp-rx-power"},
+	}
+}
+
+func (c *opticsCollector) describe(ch chan<- *prometheus.Desc) {
+	ch <- c.rxStatusDesc
+	ch <- c.txStatusDesc
+	ch <- c.rxPowerDesc
+	ch <- c.txPowerDesc
+	ch <- c.temperatureDesc
+	ch <- c.txBiasDesc
+	ch <- c.voltageDesc
+}
+
+func (c *opticsCollector) collect(ctx *collectorContext) error {
+	reply, err := ctx.client.Run("/interface/ethernet/print", "=.proplist=name")
+	if err != nil {
+		log.WithFields(log.Fields{
+			"device": ctx.device.Name,
+			"error":  err,
+		}).Error("error fetching interface metrics")
+		return err
+	}
+
+	ifaces := make([]string, 0)
+	for _, iface := range reply.Re {
+		n := iface.Map["name"]
+		if strings.HasPrefix(n, "sfp") {
+			ifaces = append(ifaces, n)
+		}
+	}
+
+	if len(ifaces) == 0 {
+		return nil
+	}
+
+	return c.collectOpticalMetricsForInterfaces(ifaces, ctx)
+}
+
+func (c *opticsCollector) collectOpticalMetricsForInterfaces(ifaces []string, ctx *collectorContext) error {
+	reply, err := ctx.client.Run("/interface/ethernet/monitor",
+		"=numbers="+strings.Join(ifaces, ","),
+		"=once=",
+		"=.proplist=name,"+strings.Join(c.props, ","))
+	if err != nil {
+		log.WithFields(log.Fields{
+			"device": ctx.device.Name,
+			"error":  err,
+		}).Error("error fetching interface monitor metrics")
+		return err
+	}
+
+	for _, se := range reply.Re {
+		name, ok := se.Map["name"]
+		if !ok {
+			continue
+		}
+
+		c.collectMetricsForInterface(name, se, ctx)
+	}
+
+	return nil
+}
+
+func (c *opticsCollector) collectMetricsForInterface(name string, se *proto.Sentence, ctx *collectorContext) {
+	for _, prop := range c.props {
+		v, ok := se.Map[prop]
+		if !ok {
+			continue
+		}
+
+		value, err := c.valueForKey(prop, v)
+		if err != nil {
+			log.WithFields(log.Fields{
+				"device":    ctx.device.Name,
+				"interface": name,
+				"property":  prop,
+				"error":     err,
+			}).Error("error parsing interface monitor metric")
+			return
+		}
+
+		ctx.ch <- prometheus.MustNewConstMetric(c.descForKey(prop), prometheus.GaugeValue, value, ctx.device.Name, ctx.device.Address, name)
+	}
+}
+
+func (c *opticsCollector) valueForKey(name, value string) (float64, error) {
+	if name == "sfp-rx-loss" || name == "sfp-tx-fault" {
+		status := float64(1)
+		if value == "true" {
+			status = float64(0)
+		}
+
+		return status, nil
+	}
+
+	return strconv.ParseFloat(value, 64)
+}
+
+func (c *opticsCollector) descForKey(name string) *prometheus.Desc {
+	switch name {
+	case "sfp-rx-loss":
+		return c.rxStatusDesc
+	case "sfp-tx-fault":
+		return c.txStatusDesc
+	case "sfp-temperature":
+		return c.temperatureDesc
+	case "sfp-supply-voltage":
+		return c.voltageDesc
+	case "sfp-tx-bias-current":
+		return c.txBiasDesc
+	case "sfp-tx-power":
+		return c.txPowerDesc
+	case "sfp-rx-power":
+		return c.rxPowerDesc
+	}
+
+	return nil
+}

config/config.go

@@ -16,6 +16,7 @@ type Config struct {
 		DHCPv6 bool `yaml:"dhcpv6,omitempty"`
 		Routes bool `yaml:"routes,omitempty"`
 		Pools  bool `yaml:"pools,omitempty"`
+		Optics bool `yaml:"optics,omitempty"`
 	} `yaml:"features,omitempty"`
 }
 

config/config_test.go

@@ -24,6 +24,7 @@ func TestShouldParse(t *testing.T) {
 	assertFeature("DHCPv6", c.Features.DHCPv6, t)
 	assertFeature("Pools", c.Features.Pools, t)
 	assertFeature("Routes", c.Features.Routes, t)
+	assertFeature("Optics", c.Features.Optics, t)
 }
 
 func loadTestFile(t *testing.T) []byte {

config/test/config.test.yml

@@ -15,4 +15,5 @@ features:
   dhcp: true
   dhcpv6: true
   routes: true
-  pools: true
+  pools: true
+  optics: true

main.go

@@ -26,7 +26,7 @@ var (
 	password    = flag.String("password", "", "password for authentication for single device")
 	logLevel    = flag.String("log-level", "info", "log level")
 	logFormat   = flag.String("log-format", "json", "logformat text or json (default json)")
-	port        = flag.String("port", ":9090", "port number to listen on")
+	port        = flag.String("port", ":9436", "port number to listen on")
 	metricsPath = flag.String("path", "/metrics", "path to answer requests on")
 	configFile  = flag.String("config-file", "", "config file to load")
 	withBgp     = flag.Bool("with-bgp", false, "retrieves BGP routing infrormation")
@@ -34,6 +34,7 @@ var (
 	withDHCP    = flag.Bool("with-dhcp", false, "retrieves DHCP server metrics")
 	withDHCPv6  = flag.Bool("with-dhcpv6", false, "retrieves DHCPv6 server metrics")
 	withPools   = flag.Bool("with-pools", false, "retrieves IP(v6) pool metrics")
+	withOptics  = flag.Bool("with-optics", false, "retrieves optical diagnostic metrics")
 	timeout     = flag.Duration("timeout", collector.DefaultTimeout*time.Second, "timeout when connecting to routers")
 	tls         = flag.Bool("tls", false, "use tls to connect to routers")
 	insecure    = flag.Bool("insecure", false, "skips verification of server certificate when using TLS (not recommended)")
@@ -170,6 +171,10 @@ func collectorOptions() []collector.Option {
 		opts = append(opts, collector.WithPools())
 	}
 
+	if *withOptics || cfg.Features.Optics {
+		opts = append(opts, collector.WithOptics())
+	}
+
 	if *timeout != collector.DefaultTimeout {
 		opts = append(opts, collector.WithTimeout(*timeout))
 	}