mirror of https://github.com/linkerd/linkerd2.git
61 lines
2.2 KiB
Go
61 lines
2.2 KiB
Go
package main
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import (
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"context"
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"flag"
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"net"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/linkerd/linkerd2/controller/api/public"
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"github.com/linkerd/linkerd2/pkg/admin"
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"github.com/linkerd/linkerd2/pkg/flags"
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"github.com/linkerd/linkerd2/web/srv"
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log "github.com/sirupsen/logrus"
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)
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func main() {
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addr := flag.String("addr", ":8084", "address to serve on")
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metricsAddr := flag.String("metrics-addr", ":9994", "address to serve scrapable metrics on")
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apiAddr := flag.String("api-addr", "127.0.0.1:8085", "address of the linkerd-controller-api service")
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grafanaAddr := flag.String("grafana-addr", "127.0.0.1:3000", "address of the linkerd-grafana service")
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templateDir := flag.String("template-dir", "templates", "directory to search for template files")
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staticDir := flag.String("static-dir", "app/dist", "directory to search for static files")
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uuid := flag.String("uuid", "", "unique linkerd install id")
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reload := flag.Bool("reload", true, "reloading set to true or false")
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webpackDevServer := flag.String("webpack-dev-server", "", "use webpack to serve static assets; frontend will use this instead of static-dir")
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controllerNamespace := flag.String("controller-namespace", "linkerd", "namespace in which Linkerd is installed")
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singleNamespace := flag.Bool("single-namespace", false, "only operate in the controller namespace")
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flags.ConfigureAndParse()
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_, _, err := net.SplitHostPort(*apiAddr) // Verify apiAddr is of the form host:port.
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if err != nil {
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log.Fatalf("failed to parse API server address: %s", *apiAddr)
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}
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client, err := public.NewInternalClient(*controllerNamespace, *apiAddr)
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if err != nil {
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log.Fatalf("failed to construct client for API server URL %s", *apiAddr)
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}
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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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server := srv.NewServer(*addr, *grafanaAddr, *templateDir, *staticDir, *uuid, *controllerNamespace, *singleNamespace, *webpackDevServer, *reload, client)
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go func() {
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log.Infof("starting HTTP server on %+v", *addr)
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server.ListenAndServe()
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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 HTTP server on %+v", *addr)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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server.Shutdown(ctx)
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}
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