-
Notifications
You must be signed in to change notification settings - Fork 1
/
main.go
105 lines (96 loc) · 2.42 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
package main
import (
"app/libs/elasticsearchlib"
"app/libs/mysqllib"
"app/libs/redislib"
"app/routers"
"app/tasks"
"app/utils"
"context"
"flag"
"fmt"
"github.com/gin-gonic/gin"
"github.com/spf13/viper"
"log"
"net/http"
"os"
"os/signal"
"time"
)
func main() {
//加载配置
loadConfig()
//初始化存储服务
mysqllib.InitMysqlClient()
redislib.InitRedisClient()
//初始化http路由
r := gin.Default()
//设置生产环境运行
//gin.SetMode(gin.ReleaseMode)
routers.InitRouter(r)
elasticsearchlib.InitESClient()
//启动消费者监听协程
tasks.Run()
//启动服务
httpPort := viper.GetString("app.httpPort")
//1,启动Server
//_ = r.Run(":" + httpPort)
//2,使用http.Server内置的Shutdown()方法优雅地启动与关机
gracefulRun(r, httpPort)
}
// 加载配置文件信息到viper
func loadConfig() {
envList := []string{"dev", "test", "prod"}
env := flag.String("env", "dev", "input run env[dev|test|prod]:")
flag.Parse()
if f := utils.InSlice(envList, *env); false == f {
panic(utils.StringToInterface("env input error"))
}
configName := "app.dev"
switch *env {
case "dev":
configName = "app.dev"
case "test":
configName = "app.test"
case "prod":
configName = "app"
}
viper.SetConfigName(configName)
viper.SetConfigType("yaml")
viper.AddConfigPath("config")
if err := viper.ReadInConfig(); err != nil {
panic(utils.StringToInterface(err.Error()))
}
fmt.Println("系统配置如下:")
fmt.Println("env:", *env)
fmt.Println("app:", viper.Get("app"))
fmt.Println("mysql:", viper.Get("mysql"))
fmt.Println("redis:", viper.Get("redis"))
fmt.Println("mongo:", viper.Get("mongo"))
fmt.Println("rabbitmq:", viper.Get("rabbitmq"))
fmt.Println("elasticsearch:", viper.Get("elasticsearch"))
}
// 优雅启动与关机
func gracefulRun(r *gin.Engine, httpPort string) {
srv := &http.Server{
Addr: ":" + httpPort,
Handler: r,
}
go func() {
// 服务连接
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("listen: %s\n", err)
}
}()
// 等待中断信号以优雅地关闭服务器(设置 5 秒的超时时间)
quit := make(chan os.Signal)
signal.Notify(quit, os.Interrupt)
<-quit
log.Println("Shutdown Server ...")
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
log.Fatal("Server Shutdown:", err)
}
log.Println("Server exiting")
}