/
main.go
234 lines (199 loc) · 5.31 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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
package main
import (
"bufio"
"errors"
"flag"
"fmt"
"os"
"os/signal"
"strings"
"syscall"
"time"
"github.com/zerozwt/octant/server/async_task"
"github.com/zerozwt/octant/server/bridge"
"github.com/zerozwt/octant/server/collector"
"github.com/zerozwt/octant/server/db"
"github.com/zerozwt/octant/server/handler"
"github.com/zerozwt/swe"
clientv3 "go.etcd.io/etcd/client/v3"
)
func main() {
logger := swe.CtxLogger(nil)
// load config
confFile := ""
flag.StringVar(&confFile, "conf", "", "config file")
flag.Parse()
if len(confFile) > 0 {
if err := LoadConfig(confFile); err != nil {
logger.Error("load config file %s failed: %v", confFile, err)
return
}
} else {
logger.Info("starting with default config ...")
}
// init log level & writer
swe.SetDefaultLogLevel(gConfig.LogLevel())
if len(gConfig.Log.File) != 0 {
swe.SetDefaultLogWriter(&FileLogWriter{filename: gConfig.Log.File})
}
logger = swe.CtxLogger(nil)
logger.Info("config %s loaded", confFile)
// init db
logger.Info("init db ...")
if err := InitDB(); err != nil {
logger.Error("init db failed: %v", err)
return
}
// setting admin password
if err := TrySetAdminPassword(); err != nil {
logger.Error("init admin password failed: %v", err)
return
}
// init collector bridge
logger.Info("init collector bridge ...")
collectorBridge, client, err := InitCollectorBridge()
if err != nil {
logger.Error("init collector bridge failed: %v", err)
return
}
defer func() {
collectorBridge.Stop()
if client != nil {
client.Close()
}
}()
// init collector if needed
if gConfig.Service.Collector {
collectorBridge.SetReceiver(collector.GetCollector())
logger.Info("data collector started")
}
defer collector.GetCollector().Stop()
// init api engine if needed
engine := InitEngine()
if engine != nil {
logger.Info("init async task system ...")
if err := async_task.Init(); err != nil {
logger.Error("init async task system failed: %v", err)
return
}
go engine.Serve(gConfig.WebAddr())
logger.Info("web app service started on %s", gConfig.WebAddr())
}
// load streamers from db
if err := LoadStreamers(); err != nil {
logger.Error("load streamers from db failed: %v", err)
return
}
chStop := make(chan bool, 1)
go func() {
defer close(chStop)
tmp := make(chan os.Signal, 1)
signal.Notify(tmp, syscall.SIGINT, syscall.SIGTERM)
<-tmp
logger.Info("octant shutting down ...")
if engine != nil {
engine.Close()
}
}()
<-chStop
logger.Info("octant shutdown")
}
func InitDB() error {
logger := swe.CtxLogger(nil)
if gConfig.IsMySQL() {
if err := db.InitMySQL(gConfig.MySQL); err != nil {
logger.Error("init mysql [%s] failed: %v", gConfig.MySQL, err)
return err
}
} else if gConfig.IsSQLite() {
if err := db.InitSQLite(gConfig.SQLite); err != nil {
logger.Error("init sqlite [%s] failed: %v", gConfig.SQLite, err)
return err
}
} else {
logger.Error("init db failed: db type not specified")
return errors.New("init db failed: db type not specified")
}
return nil
}
func InitCollectorBridge() (bridge.Bridge, *clientv3.Client, error) {
var collectorBridge bridge.Bridge
var client *clientv3.Client
if gConfig.Service.Core && gConfig.Service.Collector {
collectorBridge = bridge.CreateLocalBridge()
} else {
if len(gConfig.Etcd) == 0 {
return nil, nil, errors.New("no etcd endpoints specified")
}
cli, err := clientv3.New(clientv3.Config{
Endpoints: gConfig.Etcd,
DialTimeout: time.Second * 5,
DialKeepAliveTime: time.Second * 2,
DialKeepAliveTimeout: time.Second * 5,
})
if err != nil {
return nil, nil, err
}
client = cli
collectorBridge = bridge.CreateEtcdBridge(client)
}
if err := collectorBridge.Start(); err != nil {
return nil, nil, err
}
bridge.SetBridge(collectorBridge)
return collectorBridge, client, nil
}
func TrySetAdminPassword() error {
pass, err := db.GetSysConfigDAL().GetConfig(nil, db.DB_SYSCONF_ADMIN_PASS)
if err != nil {
return err
}
if len(pass) > 0 {
return nil
}
swe.CtxLogger(nil).Info("admin password need to be set ...")
fmt.Print("Enter admin password: ")
reader := bufio.NewReader(os.Stdin)
line, err := reader.ReadString('\n')
if err != nil {
return err
}
line = strings.TrimSuffix(line, "\n")
fmt.Print("Enter admin password again: ")
line2, err := reader.ReadString('\n')
if err != nil {
return err
}
line2 = strings.TrimSuffix(line2, "\n")
if line != line2 {
return errors.New("admin password not same")
}
line = db.GetSysConfigDAL().EncodeAdminPassword(line)
return db.GetSysConfigDAL().SetConfig(nil, db.DB_SYSCONF_ADMIN_PASS, line)
}
func InitEngine() *swe.Engine {
if !gConfig.Service.Core {
return nil
}
api := swe.NewAPIServer()
handler.InitAPIServer(api)
file := swe.NewFileServer(gConfig.WebDir, "/", true)
swe.CtxLogger(nil).Info("initializing web app service, root=%s", gConfig.WebDir)
return swe.NewEngine(handler.API_PREFIX, api, file)
}
func LoadStreamers() error {
streamers, err := db.GetStreamerDAL().All(nil)
if err != nil {
return err
}
br := bridge.GetBridge()
logger := swe.CtxLogger(nil)
for _, item := range streamers {
logger.Info("start tracking live room %d", item.RoomID)
if err := br.AddRoom(item.RoomID); err != nil {
logger.Error("track live room %d failed: %v", item.RoomID, err)
return err
}
}
return nil
}