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main.go
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main.go
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package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/lvdbing/bgo/global"
"github.com/lvdbing/bgo/internal/helper/setting"
"github.com/lvdbing/bgo/internal/helper/tracer"
"github.com/lvdbing/bgo/internal/model"
"github.com/lvdbing/bgo/internal/router"
lumberjack "gopkg.in/natefinch/lumberjack.v2"
)
// @title bgo后台管理系统
// @version 1.0
// @description 使用Go和Angular创建的后台管理系统
// @termsOfService http://beanlv.top/
// @contact.name Bean
// @contact.url http://beanlv.top/
// @host localhost:8000
// @BasePath /api/v1
// @securityDefinitions.basic BasicAuth
func main() {
r := router.NewRouter()
s := &http.Server{
Addr: ":" + global.ServerSetting.HttpPort,
Handler: r,
ReadTimeout: global.ServerSetting.ReadTimeout,
WriteTimeout: global.ServerSetting.WriteTimeout,
MaxHeaderBytes: 1 << 20,
}
go func() {
err := s.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
global.Logger.Logger.Fatalf("ListenAndServe err: %v", err)
}
}()
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
global.Logger.Logger.Info("Shuting down server...")
log.Println("Shuting down server...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := s.Shutdown(ctx); err != nil {
global.Logger.Logger.Fatal("Shutdown err: %v", err)
}
global.Logger.Logger.Info("Server exiting...")
}
func init() {
err := setupSetting()
if err != nil {
log.Fatalf("init.setupSetting err: %v", err)
}
err = setupLogger()
if err != nil {
log.Fatalf("init.setupLogger err: %v", err)
}
err = setupTracer()
if err != nil {
log.Fatalf("init.setupTracer err: %v", err)
}
err = setupDBEngine()
if err != nil {
log.Fatalf("init.setupDBEngine err: %v", err)
}
}
func setupSetting() error {
configFiles := []setting.ConfigFile{
{Name: "password", Path: "config/", Type: "yaml"},
{Name: "config", Path: "config/", Type: "yaml"},
}
s, err := setting.NewSetting(configFiles...)
if err != nil {
return err
}
err = s.ReadSection("Server", &global.ServerSetting)
if err != nil {
return err
}
global.ServerSetting.ReadTimeout *= time.Second
global.ServerSetting.WriteTimeout *= time.Second
err = s.ReadSection("App", &global.AppSetting)
if err != nil {
return err
}
global.AppSetting.ContextTimeout *= time.Second
err = s.ReadSection("Database", &global.DatabaseSetting)
if err != nil {
return err
}
err = s.ReadSection("JWT", &global.JWTSetting)
if err != nil {
return err
}
global.JWTSetting.Expire *= time.Second
err = s.ReadSection("Email", &global.EmailSetting)
if err != nil {
return err
}
err = s.ReadSection("RateLimiter", &global.LimiterSetting)
if err != nil {
return err
}
global.LimiterSetting.FillInterval *= time.Second
return nil
}
func setupLogger() error {
filename := global.AppSetting.LogPath + "/" + global.AppSetting.LogFilename + global.AppSetting.LogFileExt
global.Logger = global.NewLogger(&lumberjack.Logger{
Filename: filename,
MaxSize: 500, // megabytes
MaxBackups: 3,
MaxAge: 31, //days
Compress: true, // disabled by default
LocalTime: true,
}, "", log.LstdFlags).WithCaller(2)
return nil
}
func setupDBEngine() error {
var err error
global.UserDB, err = model.NewDBEngine(global.DatabaseSetting, "user")
return err
}
func setupTracer() error {
jaegerTracer, _, err := tracer.NewJaegerTracer(
"bgo-admin",
"127.0.0.1:6831",
)
if err != nil {
return err
}
global.Tracer = jaegerTracer
return nil
}