1392913e98
Make some space for the rust implementation. Change-Id: I924dc1657be10abe5a11951c3b9de50bae06db19 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11662 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: yuka <yuka@yuka.dev>
93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
package main
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import (
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"context"
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"os"
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"os/signal"
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"runtime/debug"
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"time"
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"github.com/alecthomas/kong"
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"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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castorev1pb "code.tvl.fyi/tvix/castore-go"
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narBridgeHttp "code.tvl.fyi/tvix/nar-bridge-go/pkg/http"
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storev1pb "code.tvl.fyi/tvix/store-go"
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log "github.com/sirupsen/logrus"
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)
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// `help:"Expose a tvix-store gRPC Interface as HTTP NAR/NARinfo"`
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var cli struct {
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LogLevel string `enum:"trace,debug,info,warn,error,fatal,panic" help:"The log level to log with" default:"info"`
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ListenAddr string `name:"listen-addr" help:"The address this service listens on" type:"string" default:"[::]:9000"` //nolint:lll
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EnableAccessLog bool `name:"access-log" help:"Enable access logging" type:"bool" default:"true" negatable:""` //nolint:lll
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StoreAddr string `name:"store-addr" help:"The address to the tvix-store RPC interface this will connect to" default:"localhost:8000"` //nolint:lll
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EnableOtlp bool `name:"otlp" help:"Enable OpenTelemetry for logs, spans, and metrics" default:"true"` //nolint:lll
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}
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func main() {
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_ = kong.Parse(&cli)
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logLevel, err := log.ParseLevel(cli.LogLevel)
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if err != nil {
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log.Panic("invalid log level")
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return
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}
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log.SetLevel(logLevel)
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
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defer stop()
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if cli.EnableOtlp {
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buildInfo, ok := debug.ReadBuildInfo()
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if !ok {
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log.Fatal("failed to read build info")
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}
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shutdown, err := setupOpenTelemetry(ctx, "nar-bridge-http", buildInfo.Main.Version)
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if err != nil {
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log.WithError(err).Fatal("failed to setup OpenTelemetry")
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}
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defer shutdown(context.Background())
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}
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// connect to tvix-store
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log.Debugf("Dialing to %v", cli.StoreAddr)
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conn, err := grpc.DialContext(ctx, cli.StoreAddr,
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grpc.WithTransportCredentials(insecure.NewCredentials()),
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grpc.WithStatsHandler(otelgrpc.NewClientHandler()),
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)
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if err != nil {
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log.Fatalf("did not connect: %v", err)
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}
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defer conn.Close()
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s := narBridgeHttp.New(
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castorev1pb.NewDirectoryServiceClient(conn),
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castorev1pb.NewBlobServiceClient(conn),
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storev1pb.NewPathInfoServiceClient(conn),
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cli.EnableAccessLog,
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30,
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)
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log.Printf("Starting nar-bridge-http at %v", cli.ListenAddr)
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go s.ListenAndServe(cli.ListenAddr)
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// listen for the interrupt signal.
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<-ctx.Done()
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// Restore default behaviour on the interrupt signal
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stop()
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log.Info("Received Signal, shutting down, press Ctl+C again to force.")
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timeoutCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := s.Shutdown(timeoutCtx); err != nil {
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log.WithError(err).Warn("failed to shutdown")
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os.Exit(1)
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}
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}
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