refactor and update util to use new log formatter setting (#21)

Co-authored-by: brianchennn <ny40ny40ny.cs11@nycu.edu.tw>

cmd/main.go

@@ -1,85 +1,94 @@
 package main
 
 import (
-	"fmt"
 	"os"
 	"path/filepath"
 	"runtime/debug"
 
-	"github.com/asaskevich/govalidator"
 	"github.com/urfave/cli"
 
 	"github.com/free5gc/udm/internal/logger"
-	"github.com/free5gc/udm/internal/util"
+	"github.com/free5gc/udm/pkg/factory"
 	"github.com/free5gc/udm/pkg/service"
+	logger_util "github.com/free5gc/util/logger"
 	"github.com/free5gc/util/version"
 )
 
-var UDM = &service.UDM{}
+var UDM *service.UdmApp
 
 func main() {
 	defer func() {
 		if p := recover(); p != nil {
 			// Print stack for panic to log. Fatalf() will let program exit.
-			logger.AppLog.Fatalf("panic: %v\n%s", p, string(debug.Stack()))
+			logger.MainLog.Fatalf("panic: %v\n%s", p, string(debug.Stack()))
 		}
 	}()
 
 	app := cli.NewApp()
 	app.Name = "udm"
 	app.Usage = "5G Unified Data Management (UDM)"
 	app.Action = action
-	app.Flags = UDM.GetCliCmd()
+	app.Flags = []cli.Flag{
+		cli.StringFlag{
+			Name:  "config, c",
+			Usage: "Load configuration from `FILE`",
+		},
+		cli.StringSliceFlag{
+			Name:  "log, l",
+			Usage: "Output NF log to `FILE`",
+		},
+	}
+
 	if err := app.Run(os.Args); err != nil {
-		fmt.Printf("UDM Run error: %v\n", err)
+		logger.MainLog.Errorf("UDM Run error: %v\n", err)
 	}
 }
 
-func action(c *cli.Context) error {
-	if err := initLogFile(c.String("log"), c.String("log5gc")); err != nil {
-		logger.AppLog.Errorf("%+v", err)
+func action(cliCtx *cli.Context) error {
+	tlsKeyLogPath, err := initLogFile(cliCtx.StringSlice("log"))
+	if err != nil {
 		return err
 	}
 
-	if err := UDM.Initialize(c); err != nil {
-		switch errType := err.(type) {
-		case govalidator.Errors:
-			validErrs := err.(govalidator.Errors).Errors()
-			for _, validErr := range validErrs {
-				logger.CfgLog.Errorf("%+v", validErr)
-			}
-		default:
-			logger.CfgLog.Errorf("%+v", errType)
-		}
-		logger.CfgLog.Errorf("[-- PLEASE REFER TO SAMPLE CONFIG FILE COMMENTS --]")
-		return fmt.Errorf("Failed to initialize !!")
-	}
+	logger.MainLog.Infoln("UDM version: ", version.GetVersion())
 
-	logger.AppLog.Infoln(c.App.Name)
-	logger.AppLog.Infoln("UDM version: ", version.GetVersion())
+	cfg, err := factory.ReadConfig(cliCtx.String("config"))
+	if err != nil {
+		return err
+	}
+	factory.UdmConfig = cfg
+	udm, err := service.NewApp(cfg)
+	if err != nil {
+		return err
+	}
+	UDM = udm
 
-	UDM.Start()
+	udm.Start(tlsKeyLogPath)
 
 	return nil
 }
 
-func initLogFile(logNfPath, log5gcPath string) error {
-	UDM.KeyLogPath = util.UdmDefaultKeyLogPath
+func initLogFile(logNfPath []string) (string, error) {
+	logTlsKeyPath := ""
 
-	if err := logger.LogFileHook(logNfPath, log5gcPath); err != nil {
-		return err
-	}
+	for _, path := range logNfPath {
+		if err := logger_util.LogFileHook(logger.Log, path); err != nil {
+			return "", err
+		}
 
-	if logNfPath != "" {
-		nfDir, _ := filepath.Split(logNfPath)
+		if logTlsKeyPath != "" {
+			continue
+		}
+
+		nfDir, _ := filepath.Split(path)
 		tmpDir := filepath.Join(nfDir, "key")
 		if err := os.MkdirAll(tmpDir, 0o775); err != nil {
 			logger.InitLog.Errorf("Make directory %s failed: %+v", tmpDir, err)
-			return err
+			return "", err
 		}
-		_, name := filepath.Split(util.UdmDefaultKeyLogPath)
-		UDM.KeyLogPath = filepath.Join(tmpDir, name)
+		_, name := filepath.Split(factory.UdmDefaultTLSKeyLogPath)
+		logTlsKeyPath = filepath.Join(tmpDir, name)
 	}
 
-	return nil
+	return logTlsKeyPath, nil
 }

go.mod

@@ -1,17 +1,48 @@
 module github.com/free5gc/udm
 
-go 1.14
+go 1.17
 
 require (
 	github.com/antihax/optional v1.0.0
-	github.com/antonfisher/nested-logrus-formatter v1.3.1
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
-	github.com/free5gc/openapi v1.0.4
-	github.com/free5gc/util v1.0.3
+	github.com/free5gc/openapi v1.0.6
+	github.com/free5gc/util v1.0.5-0.20230306071612-a52909216bd2
 	github.com/gin-gonic/gin v1.7.7
 	github.com/google/uuid v1.3.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/urfave/cli v1.22.5
 	golang.org/x/crypto v0.1.0
 	gopkg.in/yaml.v2 v2.4.0
 )
+
+require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.13.0 // indirect
+	github.com/go-playground/universal-translator v0.17.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/golang-jwt/jwt v3.2.1+incompatible // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/kr/pretty v0.2.0 // indirect
+	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/stretchr/testify v1.8.0 // indirect
+	github.com/tim-ywliu/nested-logrus-formatter v1.3.2 // indirect
+	github.com/ugorji/go/codec v1.1.7 // indirect
+	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/h2non/gock.v1 v1.1.2 // indirect
+)