mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-24 12:27:18 +00:00
280dc4ecf0
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
// Package main allows for creation of an HTTP-JSON to gRPC
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// gateway as a binary go process.
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package main
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import (
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"context"
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"flag"
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"fmt"
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"net/http"
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"strings"
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"github.com/gorilla/mux"
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joonix "github.com/joonix/log"
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"github.com/prysmaticlabs/prysm/api/gateway"
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beaconGateway "github.com/prysmaticlabs/prysm/beacon-chain/gateway"
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"github.com/prysmaticlabs/prysm/beacon-chain/rpc/apimiddleware"
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"github.com/prysmaticlabs/prysm/cmd/beacon-chain/flags"
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_ "github.com/prysmaticlabs/prysm/runtime/maxprocs"
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"github.com/sirupsen/logrus"
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)
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var (
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beaconRPC = flag.String("beacon-rpc", "localhost:4000", "Beacon chain gRPC endpoint")
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port = flag.Int("port", 8000, "Port to serve on")
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host = flag.String("host", "127.0.0.1", "Host to serve on")
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debug = flag.Bool("debug", false, "Enable debug logging")
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allowedOrigins = flag.String("corsdomain", "localhost:4242", "A comma separated list of CORS domains to allow")
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enableDebugRPCEndpoints = flag.Bool("enable-debug-rpc-endpoints", false, "Enable debug rpc endpoints such as /eth/v1alpha1/beacon/state")
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grpcMaxMsgSize = flag.Int("grpc-max-msg-size", 1<<22, "Integer to define max recieve message call size")
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httpModules = flag.String(
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"http-modules",
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strings.Join([]string{flags.PrysmAPIModule, flags.EthAPIModule}, ","),
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"Comma-separated list of API module names. Possible values: `"+flags.PrysmAPIModule+`,`+flags.EthAPIModule+"`.",
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)
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)
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func init() {
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logrus.SetFormatter(joonix.NewFormatter())
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}
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func main() {
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flag.Parse()
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if *debug {
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log.SetLevel(logrus.DebugLevel)
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}
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gatewayConfig := beaconGateway.DefaultConfig(*enableDebugRPCEndpoints, *httpModules)
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muxs := make([]*gateway.PbMux, 0)
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if gatewayConfig.V1AlphaPbMux != nil {
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muxs = append(muxs, gatewayConfig.V1AlphaPbMux)
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}
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if gatewayConfig.EthPbMux != nil {
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muxs = append(muxs, gatewayConfig.EthPbMux)
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}
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gw := gateway.New(
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context.Background(),
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muxs,
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gatewayConfig.Handler,
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*beaconRPC,
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fmt.Sprintf("%s:%d", *host, *port),
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).WithAllowedOrigins(strings.Split(*allowedOrigins, ",")).
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WithMaxCallRecvMsgSize(uint64(*grpcMaxMsgSize))
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if flags.EnableHTTPEthAPI(*httpModules) {
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gw.WithApiMiddleware(&apimiddleware.BeaconEndpointFactory{})
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}
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r := mux.NewRouter()
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r.HandleFunc("/swagger/", gateway.SwaggerServer())
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r.HandleFunc("/healthz", healthzServer(gw))
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gw = gw.WithRouter(r)
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gw.Start()
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select {}
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}
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// healthzServer returns a simple health handler which returns ok.
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func healthzServer(gw *gateway.Gateway) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/plain")
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if err := gw.Status(); err != nil {
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http.Error(w, err.Error(), http.StatusBadGateway)
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return
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}
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if _, err := fmt.Fprintln(w, "ok"); err != nil {
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log.WithError(err).Error("failed to respond to healthz")
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}
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}
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}
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