mirror of https://github.com/linkerd/linkerd2.git
70 lines
2.2 KiB
Go
70 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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"net/http"
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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/prometheus/client_golang/prometheus/promhttp"
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"github.com/runconduit/conduit/controller/api/public"
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"github.com/runconduit/conduit/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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kubernetesApiHost := flag.String("api-addr", ":8085", "host address of kubernetes public api")
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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", "", "unqiue Conduit install id")
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reload := flag.Bool("reload", true, "reloading set to true or false")
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logLevel := flag.String("log-level", "info", "log level, must be one of: panic, fatal, error, warn, info, debug")
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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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flag.Parse()
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// set global log level
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level, err := log.ParseLevel(*logLevel)
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if err != nil {
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log.Fatalf("invalid log-level: %s", *logLevel)
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}
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log.SetLevel(level)
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_, _, err = net.SplitHostPort(*kubernetesApiHost) // Verify kubernetesApiHost 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", kubernetesApiHost)
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}
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client, err := public.NewInternalClient(*kubernetesApiHost)
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if err != nil {
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log.Fatalf("failed to construct client for API server URL %s", kubernetesApiHost)
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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, *templateDir, *staticDir, *uuid, *webpackDevServer, *reload, client)
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go func() {
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log.Info("starting HTTP server on", *addr)
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server.ListenAndServe()
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}()
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go func() {
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log.Info("serving scrapable metrics on", *metricsAddr)
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http.Handle("/metrics", promhttp.Handler())
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http.ListenAndServe(*metricsAddr, nil)
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}()
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<-stop
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log.Info("shutting down HTTP server on", *addr)
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ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
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server.Shutdown(ctx)
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}
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