/
main.go
193 lines (177 loc) · 5.77 KB
/
main.go
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// Microgen appends missed functions.
package main
import (
"context"
"errors"
"fmt"
kitlog "github.com/go-kit/kit/log"
"github.com/nullc4t/auth-service/pkg/account"
"github.com/nullc4t/auth-service/pkg/logger"
"github.com/nullc4t/auth-service/pkg/mgmt"
"github.com/nullc4t/auth-service/pkg/mgmt/proto"
mgmtservice "github.com/nullc4t/auth-service/pkg/mgmt/service"
mgmttransport "github.com/nullc4t/auth-service/pkg/mgmt/transport"
mgmtgrpc "github.com/nullc4t/auth-service/pkg/mgmt/transport/grpc"
mgmthttp "github.com/nullc4t/auth-service/pkg/mgmt/transport/http"
"github.com/nullc4t/auth-service/pkg/permission"
svcsrv "github.com/nullc4t/auth-service/pkg/service"
"github.com/nullc4t/auth-service/pkg/types"
user2 "github.com/nullc4t/auth-service/pkg/user"
"golang.org/x/sync/errgroup"
stdgrpc "google.golang.org/grpc"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"io"
"net"
"net/http"
"os"
"os/signal"
"syscall"
)
func main() {
// create loggers
l := kitlog.With(InitLogger(os.Stdout), "level", "info")
errorLogger := kitlog.With(InitLogger(os.Stdout), "level", "error")
l.Log("message", "Hello, I am alive")
defer l.Log("message", "goodbye, good luck")
// create DB
db, err := gorm.Open(postgres.Open(fmt.Sprintf(
"host=%s user=%s password=%s dbname=%s port=%s sslmode=disable TimeZone=%s",
os.Getenv("POSTGRES_HOST"),
os.Getenv("POSTGRES_USER"),
os.Getenv("POSTGRES_PASSWORD"),
os.Getenv("POSTGRES_DB"),
os.Getenv("POSTGRES_PORT"),
"Europe/Kiev",
)))
if err != nil {
errorLogger.Log("db error:", err)
os.Exit(1)
}
// DB migrate
//tables, err := db.Migrator().GetTables()
//for _, table := range tables {
// err = db.Debug().Migrator().DropTable(table)
// if err != nil {
// errorLogger.Log("rop table error:", err)
// os.Exit(1)
// }
//}
err = db.Debug().AutoMigrate(&types.User{}, &types.Account{}, &types.Service{}, &types.Permission{})
if err != nil {
errorLogger.Log("migrate error:", err)
os.Exit(1)
}
// read keys
//privateKey := os.Getenv("PRIVATE_KEY")
//var pk *ecdsa.PrivateKey
//if privateKey == "" {
// pk, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
//} else {
// pk, err = ec.PEM2PrivateKey([]byte(privateKey))
//}
//if err != nil {
// errorLogger.Log("private key error:", err)
// os.Exit(1)
//}
// create services
//authorizer := authz.New("active", "read", "write", "admin")
//userSvc := user.NewLoggingMiddleware(logger.New("[ user ]\t"), user.New(db))
//authzSvc := authz.NewLoggingMiddleware(logger.New("[ authz ]\t"), authz.NewService(db))
permissionSvc := permission.New(db)
svcSvc := svcsrv.New(logger.New("[ service ]\t"), db)
accountSvc := account.NewLoggingMiddleware(logger.New("[ service ]\t"), account.New(db))
userSvc := user2.NewLoggingMiddleware(logger.New("[ user ]\t"), user2.New(db))
//jwtSvc := jwt.New(
// logger.New("[ jwt ]\t"),
// jwt2.SigningMethodES256,
// []string{jwt2.SigningMethodES256.Name},
// jwt.AccessClaimsFactory,
// pk,
//)
g, ctx := errgroup.WithContext(context.Background())
g.Go(func() error {
return InterruptHandler(ctx)
})
mgmtSvc := mgmt.New(logger.New("[ mgmt ]\t"), db, svcSvc, accountSvc, permissionSvc, userSvc)
mgmtSvc = mgmtservice.LoggingMiddleware(l)(mgmtSvc)
mgmtSvc = mgmtservice.ErrorLoggingMiddleware(l)(mgmtSvc)
mgmtSvc = mgmtservice.RecoveringMiddleware(l)(mgmtSvc)
mgmtEndpoints := mgmttransport.Endpoints(mgmtSvc)
grpcAddr := ":9091"
// Start authgrpc server.
g.Go(func() error {
return ServeGRPC(ctx, &mgmtEndpoints, grpcAddr, kitlog.With(l, "transport", "GRPC"))
})
httpAddr := ":8081"
// Start authhttp server.
g.Go(func() error {
return ServeHTTP(ctx, &mgmtEndpoints, httpAddr, kitlog.With(l, "transport", "HTTP"))
})
if err := g.Wait(); err != nil {
l.Log("error", err)
}
}
// InitLogger initialize go-kit JSON logger with timestamp and caller.
func InitLogger(writer io.Writer) kitlog.Logger {
l := kitlog.NewLogfmtLogger(writer)
l = kitlog.With(l, "@timestamp", kitlog.DefaultTimestampUTC)
l = kitlog.With(l, "caller", kitlog.DefaultCaller)
return l
}
// InterruptHandler handles first SIGINT and SIGTERM and returns it as error.
func InterruptHandler(ctx context.Context) error {
interruptHandler := make(chan os.Signal, 1)
signal.Notify(interruptHandler, syscall.SIGINT, syscall.SIGTERM)
select {
case sig := <-interruptHandler:
return fmt.Errorf("signal received: %v", sig.String())
case <-ctx.Done():
return errors.New("signal listener: context canceled")
}
}
// ServeGRPC starts new GRPC server on address and sends first error to channel.
func ServeGRPC(ctx context.Context, endpoints *mgmttransport.EndpointsSet, addr string, logger kitlog.Logger) error {
listener, err := net.Listen("tcp", addr)
if err != nil {
return err
}
// Here you can add middlewares for authgrpc server.
server := mgmtgrpc.NewGRPCServer(endpoints)
grpcServer := stdgrpc.NewServer()
proto.RegisterMgmtServer(grpcServer, server)
logger.Log("listen on", addr)
ch := make(chan error)
go func() {
ch <- grpcServer.Serve(listener)
}()
select {
case err := <-ch:
return fmt.Errorf("authgrpc server: serve: %v", err)
case <-ctx.Done():
grpcServer.GracefulStop()
return errors.New("authgrpc server: context canceled")
}
}
// ServeHTTP starts new HTTP server on address and sends first error to channel.
func ServeHTTP(ctx context.Context, endpoints *mgmttransport.EndpointsSet, addr string, logger kitlog.Logger) error {
handler := mgmthttp.NewHTTPHandler(endpoints)
httpServer := &http.Server{
Addr: addr,
Handler: handler,
}
logger.Log("listen on", addr)
ch := make(chan error)
go func() {
ch <- httpServer.ListenAndServe()
}()
select {
case err := <-ch:
if err == http.ErrServerClosed {
return nil
}
return fmt.Errorf("authhttp server: serve: %v", err)
case <-ctx.Done():
return httpServer.Shutdown(context.Background())
}
}