package main import ( "context" "os" "os/signal" "time" "github.com/alecthomas/kong" "google.golang.org/grpc" "google.golang.org/grpc/credentials/insecure" castorev1pb "code.tvl.fyi/tvix/castore/protos" narBridgeHttp "code.tvl.fyi/tvix/nar-bridge/pkg/http" storev1pb "code.tvl.fyi/tvix/store/protos" "github.com/sirupsen/logrus" log "github.com/sirupsen/logrus" ) // `help:"Expose a tvix-store gRPC Interface as HTTP NAR/NARinfo"` var cli struct { LogLevel string `enum:"trace,debug,info,warn,error,fatal,panic" help:"The log level to log with" default:"info"` ListenAddr string `name:"listen-addr" help:"The address this service listens on" type:"string" default:"[::]:9000"` //nolint:lll EnableAccessLog bool `name:"access-log" help:"Enable access logging" type:"bool" default:"true" negatable:""` //nolint:lll StoreAddr string `name:"store-addr" help:"The address to the tvix-store RPC interface this will connect to" default:"localhost:8000"` //nolint:lll } func main() { _ = kong.Parse(&cli) logLevel, err := logrus.ParseLevel(cli.LogLevel) if err != nil { log.Panic("invalid log level") return } logrus.SetLevel(logLevel) ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt) defer stop() // connect to tvix-store log.Debugf("Dialing to %v", cli.StoreAddr) conn, err := grpc.DialContext(ctx, cli.StoreAddr, grpc.WithTransportCredentials(insecure.NewCredentials())) if err != nil { log.Fatalf("did not connect: %v", err) } defer conn.Close() s := narBridgeHttp.New( castorev1pb.NewDirectoryServiceClient(conn), castorev1pb.NewBlobServiceClient(conn), storev1pb.NewPathInfoServiceClient(conn), cli.EnableAccessLog, 30, ) log.Printf("Starting nar-bridge-http at %v", cli.ListenAddr) go s.ListenAndServe(cli.ListenAddr) // listen for the interrupt signal. <-ctx.Done() // Restore default behaviour on the interrupt signal stop() log.Info("Received Signal, shutting down, press Ctl+C again to force.") timeoutCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second) defer cancel() if err := s.Shutdown(timeoutCtx); err != nil { log.WithError(err).Warn("failed to shutdown") os.Exit(1) } }