mirror of
https://github.com/hexolan/panels.git
synced 2026-03-26 12:40:21 +00:00
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
// Copyright 2023 Declan Teevan
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rpc
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import (
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"context"
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"net"
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"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/logging"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"google.golang.org/grpc"
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"google.golang.org/grpc/health"
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"google.golang.org/grpc/health/grpc_health_v1"
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"github.com/hexolan/panels/panel-service/internal"
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"github.com/hexolan/panels/panel-service/internal/rpc/panelv1"
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)
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type RPCServer struct {
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grpcSvr *grpc.Server
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}
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func NewRPCServer(panelService internal.PanelService) *RPCServer {
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logger := log.Logger.With().Timestamp().Str("src", "rpc").Logger()
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svr := grpc.NewServer(
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grpc.ChainUnaryInterceptor(
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logging.UnaryServerInterceptor(loggingInterceptor(logger)),
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),
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grpc.ChainStreamInterceptor(
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logging.StreamServerInterceptor(loggingInterceptor(logger)),
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),
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)
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// Panels Service Server
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panelSvr := NewPanelServer(panelService)
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panelv1.RegisterPanelServiceServer(svr, &panelSvr)
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// Health Check Server
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healthSvr := health.NewServer()
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grpc_health_v1.RegisterHealthServer(svr, healthSvr)
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return &RPCServer{grpcSvr: svr}
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}
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func loggingInterceptor(logger zerolog.Logger) logging.Logger {
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return logging.LoggerFunc(func(ctx context.Context, lvl logging.Level, msg string, fields ...any) {
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logger := logger.With().Fields(fields).Logger()
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switch lvl {
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case logging.LevelError:
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logger.Error().Msg(msg)
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case logging.LevelWarn:
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logger.Warn().Msg(msg)
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case logging.LevelInfo:
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logger.Info().Msg(msg)
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case logging.LevelDebug:
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logger.Debug().Msg(msg)
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default:
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logger.Debug().Interface("unknown-log-level", lvl).Msg(msg)
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}
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})
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}
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func (r *RPCServer) Serve() {
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// Prepare the listening port.
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lis, err := net.Listen("tcp", "0.0.0.0:9090")
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if err != nil {
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log.Panic().Err(err).Caller().Msg("failed to listen on RPC port (:9090)")
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}
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// Begin serving gRPC.
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log.Info().Str("address", lis.Addr().String()).Msg("attempting to serve RPC...")
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err = r.grpcSvr.Serve(lis)
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if err != nil {
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log.Panic().Err(err).Caller().Msg("failed to serve RPC")
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}
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}
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