linkerd2/controller/cmd/destination/main.go

51 lines
1.1 KiB
Go

package main
import (
"flag"
"fmt"
"net/http"
"os"
"os/signal"
"syscall"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/runconduit/conduit/controller/destination"
log "github.com/sirupsen/logrus"
)
func main() {
addr := flag.String("addr", ":8089", "address to serve on")
metricsAddr := flag.String("metrics-addr", ":9999", "address to serve scrapable metrics on")
kubeConfigPath := flag.String("kubeconfig", "", "path to kube config")
flag.Parse()
log.SetLevel(log.DebugLevel) // TODO: make configurable
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
done := make(chan struct{})
server, lis, err := destination.NewServer(*addr, *kubeConfigPath, done)
if err != nil {
log.Fatal(err)
}
go func() {
log.Infof("starting gRPC server on %s", *addr)
server.Serve(lis)
}()
go func() {
fmt.Println("serving scrapable metrics on", *metricsAddr)
http.Handle("/metrics", promhttp.Handler())
http.ListenAndServe(*metricsAddr, nil)
}()
<-stop
log.Infof("shutting down gRPC server on %s\n", *addr)
done <- struct{}{}
server.GracefulStop()
}