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
|
package main
import (
"log"
"net"
"os"
"github.com/joho/godotenv"
"penguins.lan/api"
"penguins.lan/args"
"penguins.lan/database"
"penguins.lan/dnsd"
"penguins.lan/scheduled"
)
func main() {
log.SetFlags(log.LstdFlags | log.Lshortfile)
if err := godotenv.Load(); err != nil {
log.Println("no .env file loaded:", err)
}
argv, err := args.GetArgs()
if err != nil {
log.Fatal(err)
}
dbConn := database.MakeConn(&argv.DatabasePath)
defer dbConn.Close()
if argv.Migrate {
if _, err := database.Migrate(dbConn); err != nil {
log.Fatal(err)
}
log.Println("database migrated successfully")
}
if argv.Scheduler {
scheduled.StartScheduler(argv, dbConn)
log.Println("scheduler started")
}
if argv.Server {
server := api.MakeServer(argv, dbConn)
if argv.Socket != "" {
listener := unixListener(argv.Socket)
log.Printf("listening on unix socket %s", argv.Socket)
go func() {
if err := server.Serve(listener); err != nil {
log.Fatal(err)
}
}()
} else {
log.Printf("listening on :%d", argv.Port)
go func() {
if err := server.ListenAndServe(); err != nil {
log.Fatal(err)
}
}()
}
}
if argv.Dns {
dnsServer := dnsd.MakeServer(argv, dbConn)
log.Printf("dns listening on :%d for zone %s", argv.DnsPort, argv.DnsZone)
go func() {
if err := dnsServer.ListenAndServe(); err != nil {
log.Fatal(err)
}
}()
}
if argv.Scheduler || argv.Server || argv.Dns {
select {}
}
}
// unixListener binds an HTTP unix socket, clearing any stale socket left by a
// previous run and relaxing perms to 0660 so a same-group reverse proxy can
// reach it.
func unixListener(path string) net.Listener {
if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
log.Fatalf("could not clear stale socket %s: %v", path, err)
}
listener, err := net.Listen("unix", path)
if err != nil {
log.Fatal(err)
}
if err := os.Chmod(path, 0o660); err != nil {
log.Fatalf("could not chmod socket %s: %v", path, err)
}
return listener
}
|
