/
main.go
82 lines (68 loc) · 2.03 KB
/
main.go
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package main
import (
"context"
"flag"
"os"
"os/signal"
"strings"
"syscall"
"github.com/linkerd/linkerd2/controller/api/public"
"github.com/linkerd/linkerd2/controller/k8s"
"github.com/linkerd/linkerd2/controller/tap"
"github.com/linkerd/linkerd2/pkg/admin"
"github.com/linkerd/linkerd2/pkg/flags"
promApi "github.com/prometheus/client_golang/api"
log "github.com/sirupsen/logrus"
)
func main() {
addr := flag.String("addr", ":8085", "address to serve on")
kubeConfigPath := flag.String("kubeconfig", "", "path to kube config")
prometheusUrl := flag.String("prometheus-url", "http://127.0.0.1:9090", "prometheus url")
metricsAddr := flag.String("metrics-addr", ":9995", "address to serve scrapable metrics on")
tapAddr := flag.String("tap-addr", "127.0.0.1:8088", "address of tap service")
controllerNamespace := flag.String("controller-namespace", "linkerd", "namespace in which Linkerd is installed")
ignoredNamespaces := flag.String("ignore-namespaces", "kube-system", "comma separated list of namespaces to not list pods from")
flags.ConfigureAndParse()
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
tapClient, tapConn, err := tap.NewClient(*tapAddr)
if err != nil {
log.Fatal(err.Error())
}
defer tapConn.Close()
k8sClient, err := k8s.NewClientSet(*kubeConfigPath)
if err != nil {
log.Fatal(err.Error())
}
k8sAPI := k8s.NewAPI(
k8sClient,
k8s.Deploy,
k8s.NS,
k8s.Pod,
k8s.RC,
k8s.RS,
k8s.Svc,
)
prometheusClient, err := promApi.NewClient(promApi.Config{Address: *prometheusUrl})
if err != nil {
log.Fatal(err.Error())
}
server := public.NewServer(
*addr,
prometheusClient,
tapClient,
k8sAPI,
*controllerNamespace,
strings.Split(*ignoredNamespaces, ","),
)
ready := make(chan struct{})
go k8sAPI.Sync(ready)
go func() {
log.Infof("starting HTTP server on %+v", *addr)
server.ListenAndServe()
}()
go admin.StartServer(*metricsAddr, ready)
<-stop
log.Infof("shutting down HTTP server on %+v", *addr)
server.Shutdown(context.Background())
}