/
publisher.go
115 lines (99 loc) · 2.33 KB
/
publisher.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
package logs
import (
"context"
"encoding/json"
"log"
"time"
amqp "github.com/rabbitmq/amqp091-go"
)
func (l *LogPublisher) SetLogLevel(level uint) {
switch level {
case 0:
l.logInfoLevelEnabled = false
l.logWarningLevelEnabled = false
l.logErrorLevelEnabled = true
case 1:
l.logInfoLevelEnabled = false
l.logWarningLevelEnabled = true
l.logErrorLevelEnabled = true
case 2:
l.logInfoLevelEnabled = true
l.logWarningLevelEnabled = true
l.logErrorLevelEnabled = true
default:
l.logInfoLevelEnabled = false
l.logWarningLevelEnabled = false
l.logErrorLevelEnabled = true
}
}
func (l *LogPublisher) SetAMQPConnection(connection *amqp.Connection) {
l.connection = connection
}
func (l *LogPublisher) LogINFO(serviceName,data string) {
if l.logInfoLevelEnabled {
err := l.pushToQueue(serviceName, data, "log.INFO")
if err != nil {
log.Printf("LogINFO %s Error: %s\n", serviceName, err)
return
}
}
}
func (l *LogPublisher) LogWARNING(serviceName,data string) {
if l.logWarningLevelEnabled {
err := l.pushToQueue(serviceName, data, "log.WARNING")
if err != nil {
log.Printf("LogWARNING %s Error: %s\n", serviceName, err)
return
}
}
}
func (l *LogPublisher) LogERROR(serviceName,data string) {
if l.logWarningLevelEnabled {
err := l.pushToQueue(serviceName, data, "log.ERROR")
if err != nil {
log.Printf("LogERROR %s Error: %s\n", serviceName, err)
return
}
}
}
func (l *LogPublisher) pushToQueue(serviceName, msg, severity string) error {
err := setup(l.connection)
if err != nil {
return err
}
payload := LogPayload{
Service:serviceName,
Data: msg,
LogLevel: severity,
}
j, _ := json.Marshal(&payload)
err = l.push(string(j), severity)
if err != nil {
return err
}
return nil
}
func (l *LogPublisher) push(event string, severity string) error {
channel, err := l.connection.Channel()
if err != nil {
return err
}
defer channel.Close()
log.Println("Pushing to channel")
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
err = channel.PublishWithContext(ctx,
"logs_topic", // exchange
severity, // routing key
false, // mandatory
false, // immediate
amqp.Publishing{
ContentType: "application/json",
Body: []byte(event),
},
)
if err != nil {
return err
}
return nil
}