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This repository has been archived by the owner on Dec 5, 2023. It is now read-only.

Add local IP address to Zipkin tracing #53

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14 changes: 13 additions & 1 deletion main.go
Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,11 @@ package main
import (
"flag"
"fmt"
"net"
"net/http"
"os"
"os/signal"
"strings"
"syscall"

corelog "log"
Expand Down Expand Up @@ -59,6 +61,16 @@ func main() {
logger = log.With(logger, "caller", log.DefaultCaller)
}

// Find service local IP.
conn, err := net.Dial("udp", "8.8.8.8:80")
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
localAddr := conn.LocalAddr().(*net.UDPAddr)
host := strings.Split(localAddr.String(), ":")[0]
defer conn.Close()

var tracer stdopentracing.Tracer
{
if zip == "" {
Expand All @@ -75,7 +87,7 @@ func main() {
os.Exit(1)
}
tracer, err = zipkin.NewTracer(
zipkin.NewRecorder(collector, false, fmt.Sprintf("localhost:%v", port), ServiceName),
zipkin.NewRecorder(collector, false, fmt.Sprintf("%v:%v", host, port), ServiceName),
)
if err != nil {
logger.Log("err", err)
Expand Down