LAPP标准接口程序
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package main
import (
"LAPP_ETL/common"
dal "LAPP_ETL/dao/etl"
"LAPP_ETL/global"
"LAPP_ETL/grmi"
"LAPP_ETL/infra/config"
"LAPP_ETL/infra/db"
"LAPP_ETL/infra/driver"
"LAPP_ETL/infra/logger"
meta "LAPP_ETL/meta/etl"
"LAPP_ETL/scheduler"
"LAPP_ETL/utils"
"LAPP_ETL/web/routes"
"fmt"
"github.com/kardianos/service"
"github.com/kataras/iris/v12"
"log"
_ "net/http/pprof"
"os"
"path"
"time"
)
//基于windows系统服务器,安装成服务
type program struct{}
func (p *program) Start(s service.Service) error {
// Start should not block. Do the actual work async.
go p.run()
return nil
}
func (p *program) run() {
appMain()
}
func (p *program) Stop(s service.Service) error {
return nil
}
func main() {
svcConfig := &service.Config{
Name: "ETL",
DisplayName: "ETL",
Description: "this is ETL",
}
prg := &program{}
s, err := service.New(prg, svcConfig)
if err != nil {
log.Fatal(err)
}
if len(os.Args) > 1 {
verb := os.Args[1]
switch verb {
case "install":
s.Install()
log.Println("服务安装成功")
return
case "remove":
s.Uninstall()
log.Println("服务卸载成功")
return
case "start":
s.Start()
log.Println("服务启动")
return
case "stop":
s.Stop()
log.Println("服务暂停")
return
}
}
err = s.Run()
if err != nil {
log.Println(err)
}
}
func appMain() {
//监控
//go func() {
// http.ListenAndServe("0.0.0.0:8899", nil)
//}()
// init app global config
err := config.InitConfig()
if err != nil {
log.Fatal("init app config failed, error:", err)
}
// create need directory
processDir, err := utils.GetCurrentPath("")
if err != nil {
log.Fatal("get process dir failed, error:" , err)
}
global.ShellPath = path.Join(processDir, "shell")
err = InitMustDirectory(processDir)
if err != nil {
log.Fatal("create need directory failed, error:", err)
}
//init logger config
if err = logger.InitConfig(); err != nil {
log.Fatal("init logger config failed, error:", err.Error())
}
// init global location time zone
global.TimezoneLocation, err = time.LoadLocation("Asia/Shanghai")
if err != nil {
log.Fatal("init global time zone location failed, error:", err)
}
// init app db engine
if err = db.InitDB(); err != nil {
log.Fatal("init app db failed, error:", err)
}
// init app mongo engine
if err = db.InitMongo(); err != nil {
log.Fatal("init app mongo failed, error:", err)
}
// init etcd client
if err = db.InitEtcdClient(); err != nil {
log.Fatal("init etcd client failed, error:", err)
}
// init db engine
err = InitDBEngine()
if err != nil {
log.Fatal("init db engine failed, error:", err)
}
// start scheduler
err = scheduler.Start()
if err != nil {
log.Fatal("start scheduler failed error:", err)
}
// register app service to etcd
if config.AppConfig.UseETCD {
common.CheckServiceDao = dal.NewETCDServiceDAO(db.AppEtcdClient, config.AppConfig.App.LocalAddr)
defer common.CheckServiceDao.RevokeLease()
err = RegisterAppService()
if err != nil {
log.Fatal("register service to etcd failed, error:", err)
}
}
// new iris application
app := iris.New()
routes.Hub(app)
app.HandleDir("/public", "./web/public")
//middleware.PreSettring(app)
// init iris config
irisConfig := iris.DefaultConfiguration()
irisConfig.DisableBodyConsumptionOnUnmarshal = false
irisConfig.DisablePathCorrection = false
irisConfig.EnablePathEscape = false
irisConfig.FireMethodNotAllowed = false
irisConfig.TimeFormat = "2006-01-02 15:04:05"
irisConfig.Charset = "UTF-8"
// run iris server
err = app.Run(iris.Addr(fmt.Sprintf(":%d", config.AppConfig.App.Port)), iris.WithConfiguration(irisConfig))
if err != nil {
log.Fatal("run iris server failed, error:", err)
}
select {
}
}
func InitDBEngine() error {
session := db.AppEngine.NewSession()
defer session.Close()
dao := dal.NewDBDAO(session)
dbLi, err := dao.Select(nil, []grmi.Field{meta.DB_ID})
if err != nil {
return err
}
for _, dbConfig := range dbLi {
err = driver.InitDriver(dbConfig)
if err != nil {
return err
}
}
return nil
}
func InitMustDirectory(processDir string) error {
var err error
shellDir := path.Join(processDir,"shell")
if !utils.IsExist(shellDir) {
err = os.MkdirAll(shellDir, os.ModePerm)
if err != nil {
return err
}
}
uploadDir := path.Join(processDir, "file/uploadExcel")
if !utils.IsExist(uploadDir) {
err = os.MkdirAll(uploadDir, os.ModePerm)
if err != nil {
return err
}
}
return nil
}
func RegisterAppService() error {
dao := dal.NewETCDServiceDAO(db.AppEtcdClient, config.AppConfig.App.LocalAddr)
err := dao.RegisterService(config.AppConfig.App.Name)
return err
}