mirror of https://github.com/linkerd/linkerd2.git
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package main
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import (
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"context"
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"crypto/tls"
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"flag"
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"os"
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"os/signal"
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"syscall"
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"github.com/linkerd/linkerd2/controller/k8s"
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"github.com/linkerd/linkerd2/controller/tap"
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"github.com/linkerd/linkerd2/pkg/admin"
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"github.com/linkerd/linkerd2/pkg/flags"
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pkgK8s "github.com/linkerd/linkerd2/pkg/k8s"
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log "github.com/sirupsen/logrus"
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)
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func main() {
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apiServerAddr := flag.String("apiserver-addr", ":8089", "address to serve the apiserver on")
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metricsAddr := flag.String("metrics-addr", ":9998", "address to serve scrapable metrics on")
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kubeConfigPath := flag.String("kubeconfig", "", "path to kube config")
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controllerNamespace := flag.String("controller-namespace", "linkerd", "namespace in which Linkerd is installed")
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tapPort := flag.Uint("tap-port", 4190, "proxy tap port to connect to")
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tlsCertPath := flag.String("tls-cert", pkgK8s.MountPathTLSCrtPEM, "path to TLS Cert PEM")
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tlsKeyPath := flag.String("tls-key", pkgK8s.MountPathTLSKeyPEM, "path to TLS Key PEM")
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disableCommonNames := flag.Bool("disable-common-names", false, "disable checks for Common Names (for development)")
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flags.ConfigureAndParse()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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k8sAPI, err := k8s.InitializeAPI(
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*kubeConfigPath,
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k8s.DS,
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k8s.SS,
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k8s.Deploy,
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k8s.Job,
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k8s.NS,
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k8s.Pod,
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k8s.RC,
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k8s.Svc,
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k8s.RS,
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)
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if err != nil {
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log.Fatalf("Failed to initialize K8s API: %s", err)
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}
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grpcTapServer := tap.NewGrpcTapServer(*tapPort, *controllerNamespace, k8sAPI)
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// TODO: make this configurable for local development
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cert, err := tls.LoadX509KeyPair(*tlsCertPath, *tlsKeyPath)
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if err != nil {
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log.Fatal(err.Error())
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}
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apiServer, apiLis, err := tap.NewAPIServer(*apiServerAddr, cert, k8sAPI, grpcTapServer, *disableCommonNames)
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if err != nil {
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log.Fatal(err.Error())
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}
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k8sAPI.Sync() // blocks until caches are synced
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go func() {
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log.Infof("starting APIServer on %s", *apiServerAddr)
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apiServer.ServeTLS(apiLis, "", "")
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}()
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go admin.StartServer(*metricsAddr)
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<-stop
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log.Infof("shutting down APIServer on %s", *apiServerAddr)
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apiServer.Shutdown(context.Background())
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}
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