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main.go
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main.go
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package main
import (
"context"
"database/sql"
"net"
"net/http"
"os"
"github.com/golang-migrate/migrate/v4"
_ "github.com/golang-migrate/migrate/v4/database/postgres"
_ "github.com/golang-migrate/migrate/v4/source/file" //github меняем на file
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
"github.com/hibiken/asynq"
_ "github.com/lib/pq"
"github.com/rakyll/statik/fs"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/scipiia/snippetbox/api"
db "github.com/scipiia/snippetbox/db/sqlc"
_ "github.com/scipiia/snippetbox/doc/statik"
"github.com/scipiia/snippetbox/gapi"
"github.com/scipiia/snippetbox/pb"
"github.com/scipiia/snippetbox/util"
"github.com/scipiia/snippetbox/worker"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
"google.golang.org/protobuf/encoding/protojson"
)
// const (
// dbDriver = "postgres"
// dbSource = "postgresql://root:secret@localhost:5432/snippetbox?sslmode=disable"
// serverAdress = "0.0.0.0:8080"
// )
func main() {
config, err := util.LiadConfig(".")
if err != nil {
log.Fatal().Err(err).Msg("cannot load config:")
}
if config.Environment == "development" {
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
}
conn, err := sql.Open(config.DBDriver, config.DBSource)
if err != nil {
log.Fatal().Err(err).Msg("cannot connect to db: ")
}
//run db migraton
runDBMigration(config.MigrationURL, config.DBSource)
//conn to db
//store := db.New(conn)
store := db.NewStore(conn)
//redis
redisOpt := asynq.RedisClientOpt{
Addr: config.RedisAddress,
}
taskDistributer := worker.NewRedisTaskDistributor(redisOpt)
go runTaskProcessor(redisOpt, store)
go runGrpcServer(config, store, taskDistributer)
runGatewayServer(config, store, taskDistributer)
//runGinServer(config, query)
}
// migration
func runDBMigration(migrationURL string, dbSource string) {
migration, err := migrate.New(migrationURL, dbSource)
if err != nil {
log.Fatal().Err(err).Msg("cannot create a new migrate instance")
}
if err := migration.Up(); err != nil && err != migrate.ErrNoChange {
log.Fatal().Err(err).Msg("failed to run migrate up")
}
log.Info().Msg("db migrate successfully")
}
// run processor redis
func runTaskProcessor(redisOpt asynq.RedisClientOpt, store db.Store) {
taskProcessor := worker.NewRedisTaskProcessor(redisOpt, store)
log.Info().Msg("start task processor")
err := taskProcessor.Start()
if err != nil {
log.Fatal().Err(err).Msg("failed to start task processor")
}
}
// gRPC server
func runGrpcServer(config util.Config, store db.Store, taskDistributer worker.TaskDistributor) {
server, err := gapi.NewServer(config, store, taskDistributer)
if err != nil {
log.Fatal().Err(err).Msg("cannot create server")
}
//logger
grpcLogger := grpc.UnaryInterceptor(gapi.GrpcLogger)
grpcServer := grpc.NewServer(grpcLogger)
pb.RegisterSnippetboxServer(grpcServer, server)
reflection.Register(grpcServer)
listener, err := net.Listen("tcp", config.GRPCServerAddress)
if err != nil {
log.Fatal().Err(err).Msg("cannot create listener")
}
log.Info().Msgf("start gRPC server at %s", listener.Addr().String())
err = grpcServer.Serve(listener)
if err != nil {
log.Fatal().Err(err).Msg("cannot start gRPC server")
}
}
// Gateway HTTP server
func runGatewayServer(config util.Config, store db.Store, taskDistributer worker.TaskDistributor) {
server, err := gapi.NewServer(config, store, taskDistributer)
if err != nil {
log.Fatal().Err(err).Msg("cannot create server")
}
jsonOption := runtime.WithMarshalerOption(runtime.MIMEWildcard, &runtime.JSONPb{
MarshalOptions: protojson.MarshalOptions{
UseProtoNames: true,
},
UnmarshalOptions: protojson.UnmarshalOptions{
DiscardUnknown: true,
},
})
grpcMux := runtime.NewServeMux(jsonOption)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err = pb.RegisterSnippetboxHandlerServer(ctx, grpcMux, server)
if err != nil {
log.Fatal().Err(err).Msg("cannot register handler server")
}
mux := http.NewServeMux()
mux.Handle("/", grpcMux)
//static swagger files
//fs := http.FileServer(http.Dir("./doc/swagger"))
statikFs, err := fs.New()
if err != nil {
log.Fatal().Err(err).Msg("cannot create statik fs:")
}
swaggerHandler := http.StripPrefix("/swagger/", http.FileServer(statikFs))
mux.Handle("/swagger/", swaggerHandler)
listener, err := net.Listen("tcp", config.HTTPServerAddress)
if err != nil {
log.Fatal().Err(err).Msg("cannot create HTTP gateway listener")
}
log.Info().Msgf("start HTTP gateway server at %s", listener.Addr().String())
//logger
handler := gapi.HttpLogger(mux)
err = http.Serve(listener, handler)
if err != nil {
log.Fatal().Err(err).Msg("cannot start HTTP gateway server")
}
}
// GIN server
func runGinServer(config util.Config, store db.Store) {
server, err := api.NewServer(config, store)
if err != nil {
log.Fatal().Err(err).Msg("cannot create server")
}
err = server.Start(config.HTTPServerAddress)
if err != nil {
log.Fatal().Err(err).Msg("cannot start server:")
}
}