Use common version for prometheus build_info

server/server.go

@@ -10,6 +10,7 @@ import (
  "github.com/abh/geodns/v3/monitor"
  "github.com/abh/geodns/v3/querylog"
  "github.com/abh/geodns/v3/zones"
+ "go.ntppool.org/common/version"
  "golang.org/x/sync/errgroup"
 
  "github.com/miekg/dns"
@@ -45,20 +46,21 @@ func NewServer(si *monitor.ServerInfo) *Server {
  )
  prometheus.MustRegister(queries)
 
- buildInfo := prometheus.NewGaugeVec(
+ version.RegisterMetric("geodns", prometheus.DefaultRegisterer)
+
+ instanceInfo := prometheus.NewGaugeVec(
  prometheus.GaugeOpts{
- Name: "geodns_build_info",
- Help: "GeoDNS build information (in labels)",
+ Name: "geodns_instance_info",
+ Help: "GeoDNS instance information",
  },
- []string{"Version", "ID", "IP", "Group"},
+ []string{"ID", "IP", "Group"},
  )
- prometheus.MustRegister(buildInfo)
-
+ prometheus.MustRegister(instanceInfo)
  group := ""
  if len(si.Groups) > 0 {
  group = si.Groups[0]
  }
- buildInfo.WithLabelValues(si.Version, si.ID, si.IP, group).Set(1)
+ instanceInfo.WithLabelValues(si.ID, si.IP, group).Set(1)
 
  startTime := prometheus.NewGauge(
  prometheus.GaugeOpts{