mirror of https://github.com/linkerd/linkerd2.git
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package main
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import (
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"flag"
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"fmt"
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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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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/runconduit/conduit/controller/tap"
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"github.com/runconduit/conduit/pkg/version"
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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", ":8088", "address to serve 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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tapPort := flag.Uint("tap-port", 4190, "proxy tap port to connect to")
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logLevel := flag.String("log-level", log.InfoLevel.String(), "log level, must be one of: panic, fatal, error, warn, info, debug")
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printVersion := version.VersionFlag()
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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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version.MaybePrintVersionAndExit(*printVersion)
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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, lis, err := tap.NewServer(*addr, *tapPort, *kubeConfigPath)
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if err != nil {
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log.Fatal(err.Error())
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}
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go func() {
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log.Println("starting gRPC server on", *addr)
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server.Serve(lis)
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}()
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go func() {
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fmt.Println("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.Println("shutting down gRPC server on", *addr)
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server.GracefulStop()
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}
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