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main.go
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main.go
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package main
import (
"log"
"net/http"
"time"
"github.com/tianmai777/blog/pkg/logger"
"github.com/tianmai777/blog/pkg/tracer"
"gopkg.in/natefinch/lumberjack.v2"
"github.com/gin-gonic/gin"
"github.com/tianmai777/blog/global"
"github.com/tianmai777/blog/internal/model"
"github.com/tianmai777/blog/internal/routers"
"github.com/tianmai777/blog/pkg"
)
func init() {
err := setupSetting()
if err != nil {
log.Fatalf("setup setting failed: %v", err)
}
err = setupDBEngine()
if err != nil {
log.Fatalf("setup db engine failed: %v", err)
}
err = setupLogger()
if err != nil {
log.Fatalf("setup log failed: %v", err)
}
err = setupTracer()
if err != nil {
log.Fatalf("init setupTracer err: %v", err)
}
}
func main() {
gin.SetMode(global.ServerSetting.RunMode)
router := routers.NewRouter()
s := &http.Server{
Addr: ":" + global.ServerSetting.HttpPort,
Handler: router,
ReadTimeout: global.ServerSetting.ReadTimeout,
WriteTimeout: global.ServerSetting.WriteTimeout,
MaxHeaderBytes: 1 << 20,
}
s.ListenAndServe()
}
func setupSetting() error {
setting, err := pkg.NewSetting()
if err != nil {
return err
}
err = setting.ReadSection("Server", &global.ServerSetting)
if err != nil {
return err
}
err = setting.ReadSection("App", &global.AppSetting)
if err != nil {
return err
}
err = setting.ReadSection("Database", &global.DatabaseSetting)
if err != nil {
return err
}
err = setting.ReadSection("JWT", &global.JWTSetting)
if err != nil {
return err
}
err = setting.ReadSection("Email", &global.EmailSetting)
if err != nil {
return err
}
global.JWTSetting.Expire *= time.Second
global.ServerSetting.ReadTimeout *= time.Second
global.ServerSetting.WriteTimeout *= time.Second
return nil
}
func setupDBEngine() error {
var err error
global.DBEngine, err = model.NewDBEngine(global.DatabaseSetting)
if err != nil {
return err
}
return nil
}
func setupLogger() error {
date := time.Now().Format("20060102")
global.Log = logger.NewLogger(&lumberjack.Logger{
Filename: global.AppSetting.LogSavePath + "/" + global.AppSetting.LogFileName + date + global.AppSetting.LogFileExt,
MaxSize: 600,
MaxAge: 10,
LocalTime: true,
}, "", log.LstdFlags).WithCaller(2)
return nil
}
func setupTracer() error {
jaegerTracer, _, err := tracer.NewJaegerTracer("blog", "127.0.0.1:6831")
if err != nil {
return err
}
global.Tracer = jaegerTracer
return nil
}