Files
stocklet/internal/pkg/serve/grpc.go
2024-04-16 22:27:52 +01:00

63 lines
1.7 KiB
Go

// Copyright (C) 2024 Declan Teevan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package serve
import (
"net"
"github.com/rs/zerolog/log"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"google.golang.org/grpc"
"google.golang.org/grpc/health"
"google.golang.org/grpc/health/grpc_health_v1"
"google.golang.org/grpc/reflection"
"github.com/hexolan/stocklet/internal/pkg/config"
)
func NewGrpcServeBase(cfg *config.SharedConfig) *grpc.Server {
// Attach OTEL metrics middleware
svr := grpc.NewServer(
grpc.StatsHandler(
otelgrpc.NewServerHandler(),
),
)
// Attach the health service
svc := health.NewServer()
grpc_health_v1.RegisterHealthServer(svr, svc)
// Enable reflection in dev mode
// Eases usage of tools like grpcurl and grpcui
if cfg.DevMode {
reflection.Register(svr)
}
return svr
}
func Grpc(svr *grpc.Server) {
lis, err := net.Listen("tcp", GetAddrToGrpc("0.0.0.0"))
if err != nil {
log.Panic().Err(err).Str("port", grpcPort).Msg("failed to listen on gRPC port")
}
err = svr.Serve(lis)
if err != nil {
log.Panic().Err(err).Msg("failed to serve gRPC server")
}
}