mirror of https://github.com/linkerd/linkerd2.git
62 lines
1.6 KiB
Go
62 lines
1.6 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"
|
|
"github.com/runconduit/conduit/pkg/version"
|
|
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")
|
|
k8sDNSZone := flag.String("kubernetes-dns-zone", "", "The DNS suffix for the local Kubernetes zone.")
|
|
logLevel := flag.String("log-level", log.InfoLevel.String(), "log level, must be one of: panic, fatal, error, warn, info, debug")
|
|
printVersion := version.VersionFlag()
|
|
flag.Parse()
|
|
|
|
// set global log level
|
|
level, err := log.ParseLevel(*logLevel)
|
|
if err != nil {
|
|
log.Fatalf("invalid log-level: %s", *logLevel)
|
|
}
|
|
log.SetLevel(level)
|
|
|
|
version.MaybePrintVersionAndExit(*printVersion)
|
|
|
|
stop := make(chan os.Signal, 1)
|
|
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
|
|
|
|
done := make(chan struct{})
|
|
|
|
server, lis, err := destination.NewServer(*addr, *kubeConfigPath, *k8sDNSZone, 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()
|
|
}
|