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main.go
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main.go
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package main
import (
"flag"
"os"
"os/signal"
"syscall"
"github.com/linkerd/linkerd2/controller/api/proxy"
"github.com/linkerd/linkerd2/controller/destination"
"github.com/linkerd/linkerd2/pkg/admin"
"github.com/linkerd/linkerd2/pkg/flags"
log "github.com/sirupsen/logrus"
)
func main() {
addr := flag.String("addr", ":8086", "address to serve on")
metricsAddr := flag.String("metrics-addr", ":9996", "address to serve scrapable metrics on")
destinationAddr := flag.String("destination-addr", "127.0.0.1:8089", "address of destination service")
flags.ConfigureAndParse()
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
destinationClient, conn, err := destination.NewClient(*destinationAddr)
if err != nil {
log.Fatal(err)
}
defer conn.Close()
server, lis, err := proxy.NewServer(*addr, destinationClient)
if err != nil {
log.Fatal(err)
}
go func() {
log.Infof("starting gRPC server on %s", *addr)
server.Serve(lis)
}()
go admin.StartServer(*metricsAddr, nil)
<-stop
log.Infof("shutting down gRPC server on %s", *addr)
server.GracefulStop()
}