-
Notifications
You must be signed in to change notification settings - Fork 2
/
main.go
102 lines (87 loc) · 2.36 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
package main
import (
"flag"
"fmt"
"math/rand"
"os"
"reflect"
"runtime"
"syscall"
"time"
"github.com/jesseokeya/go-rest-api-template/config"
"github.com/jesseokeya/go-rest-api-template/cronjob"
"github.com/jesseokeya/go-rest-api-template/data"
"github.com/jesseokeya/go-rest-api-template/lib/connect"
"github.com/jesseokeya/go-rest-api-template/lib/session"
"github.com/jesseokeya/go-rest-api-template/server"
"github.com/robfig/cron/v3"
"github.com/rs/zerolog/log"
"github.com/zenazn/goji/graceful"
)
var (
flags = flag.NewFlagSet("template", flag.ExitOnError)
confFile = flags.String("config", "", "path to config file")
)
func main() {
if err := flags.Parse(os.Args[1:]); err != nil {
log.Fatal().Err(err).Msgf("invalid flags")
}
conf, err := config.NewFromFile(*confFile, os.Getenv("CONFIG"))
if err != nil {
log.Fatal().Err(err).Msgf("invalid config file")
}
// initialize seed
rand.Seed(time.Now().Unix())
// [db]
db, err := data.NewDB(conf.DB)
if err != nil {
log.Fatal().Msgf("database: connection failed: %v", err)
}
// [connect]
connect.Configure(conf.Connect)
// [jwt]
tokAuth := session.Setup(conf.JWT)
// [cronjob]
var c *cron.Cron
if conf.Environment != "development" {
c = cron.New()
c.AddFunc("@every 15m", cronjob.Run)
c.Start()
for _, v := range c.Entries() {
// for debugging purposes, print out the func name and next time
// it's scheduled to run
log.Info().Msgf("%v: next run @ %v", runtime.FuncForPC(reflect.ValueOf(v.Job).Pointer()).Name(), v.Next)
}
}
graceful.AddSignal(syscall.SIGINT, syscall.SIGTERM)
graceful.Timeout(10 * time.Second) // Wait timeout for handlers to finish.
graceful.PreHook(func() {
// prehook
if c != nil {
ctx := c.Stop()
log.Info().Msg("waiting for crons")
select {
case <-ctx.Done():
log.Info().Msg("done.")
}
}
})
graceful.PostHook(func() {
// finishing up
})
// new web hander
h, err := server.New(tokAuth, db, server.Debug(conf.Environment != "production"))
if err != nil {
log.Fatal().Err(err).Msg("cannot start web server")
}
// bind.
bind := conf.Bind
if bind == "" && conf.Port != "" {
bind = fmt.Sprintf(":%s", conf.Port)
}
log.Info().Msgf("[%s] API starting on %s", conf.Environment, bind)
if err := graceful.ListenAndServe(bind, h.Routes()); err != nil {
log.Fatal().Err(err).Msg("cannot bind to host")
}
graceful.Wait()
}