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Port PR#133 to new metrics structure #160

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Merged
randomthingsandstuff merged 2 commits into from
Feb 9, 2026
Merged

Port PR#133 to new metrics structure #160

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c471914
Port PR#133 to new metrics structure
Jan 14, 2026
2ecc141
whoops.. forgot this.
Jan 14, 2026
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2 changes: 1 addition & 1 deletion cmd/stayrtr/stayrtr.go
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ var (
LogVerbose = flag.Bool("log.verbose", true, "Additional debug logs (disable with -log.verbose=false)")
Version = flag.Bool("version", false, "Print version")

server_metrics = metrics.NewServerMetrics()
server_metrics = metrics.NewServerMetrics(rtr.APP_VERSION)

protoverToLib = map[int]uint8{
0: rtr.PROTOCOL_VERSION_0,
Expand Down
39 changes: 37 additions & 2 deletions metrics/server.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
package metrics

import "github.com/prometheus/client_golang/prometheus"
import (
"fmt"
"os"
"strings"

"github.com/prometheus/client_golang/prometheus"
)

type ServerMetrics struct {
NumberOfVRPs *prometheus.GaugeVec
Expand All @@ -11,9 +17,10 @@ type ServerMetrics struct {
ClientsMetric *prometheus.GaugeVec
PDUsRecv *prometheus.CounterVec
CurrentSerial prometheus.Gauge
info prometheus.GaugeFunc
}

func NewServerMetrics() *ServerMetrics {
func NewServerMetrics(app_version string) *ServerMetrics {
metrics := &ServerMetrics{}
metrics.NumberOfVRPs = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Expand Down Expand Up @@ -70,6 +77,21 @@ func NewServerMetrics() *ServerMetrics {
Help: "Current serial.",
},
)

nodeName, domainName := getHostAndDomainName()
metrics.info = prometheus.NewGaugeFunc(
prometheus.GaugeOpts{
Name: "rtr_info",
Help: "stayrtr information",
ConstLabels: prometheus.Labels{
"domainname": domainName,
"nodename": nodeName,
"version": app_version,
},
},
func() float64 { return 1 },
)

metrics.initMetrics()
return metrics
}
Expand All @@ -84,3 +106,16 @@ func (m *ServerMetrics) initMetrics() {
prometheus.MustRegister(m.PDUsRecv)
prometheus.MustRegister(m.CurrentSerial)
}

func getHostAndDomainName() (string, string) {
hostname, err := os.Hostname()
if err != nil {
fmt.Printf("Error getting hostname: %v\n", err)
return "unknown", "unknown"
}
parts := strings.SplitN(hostname, ".", 2)
if len(parts) > 1 {
return parts[0], parts[1]
}
return parts[0], ""
}
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