mirror of https://github.com/linkerd/linkerd2.git
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"net"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
|
|
"github.com/linkerd/linkerd2/controller/api/destination"
|
|
"github.com/linkerd/linkerd2/controller/k8s"
|
|
"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")
|
|
kubeConfigPath := flag.String("kubeconfig", "", "path to kube config")
|
|
k8sDNSZone := flag.String("kubernetes-dns-zone", "", "The DNS suffix for the local Kubernetes zone.")
|
|
enableH2Upgrade := flag.Bool("enable-h2-upgrade", true, "Enable transparently upgraded HTTP2 connections among pods in the service mesh")
|
|
enableTLS := flag.Bool("enable-tls", false, "Enable TLS connections among pods in the service mesh")
|
|
controllerNamespace := flag.String("controller-namespace", "linkerd", "namespace in which Linkerd is installed")
|
|
flags.ConfigureAndParse()
|
|
|
|
stop := make(chan os.Signal, 1)
|
|
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
|
|
|
|
k8sAPI, err := k8s.InitializeAPI(
|
|
*kubeConfigPath,
|
|
k8s.Endpoint, k8s.Pod, k8s.RS, k8s.Svc, k8s.SP,
|
|
)
|
|
if err != nil {
|
|
log.Fatalf("Failed to initialize K8s API: %s", err)
|
|
}
|
|
|
|
done := make(chan struct{})
|
|
|
|
lis, err := net.Listen("tcp", *addr)
|
|
if err != nil {
|
|
log.Fatalf("Failed to listen on %s: %s", *addr, err)
|
|
}
|
|
|
|
server, err := destination.NewServer(*addr, *k8sDNSZone, *controllerNamespace, *enableTLS, *enableH2Upgrade, k8sAPI, done)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
k8sAPI.Sync() // blocks until caches are synced
|
|
|
|
go func() {
|
|
log.Infof("starting gRPC server on %s", *addr)
|
|
server.Serve(lis)
|
|
}()
|
|
|
|
go admin.StartServer(*metricsAddr)
|
|
|
|
<-stop
|
|
|
|
log.Infof("shutting down gRPC server on %s", *addr)
|
|
close(done)
|
|
server.GracefulStop()
|
|
}
|