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
|
// Copyright (C) MongoDB, Inc. 2023-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package options_test
import (
"bytes"
"context"
"fmt"
"io"
"log"
"sync"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
type CustomLogger struct {
io.Writer
mu sync.Mutex
}
func (logger *CustomLogger) Info(level int, msg string, _ ...interface{}) {
logger.mu.Lock()
defer logger.mu.Unlock()
fmt.Fprintf(logger, "level=%d msg=%s\n", level, msg)
}
func (logger *CustomLogger) Error(err error, msg string, _ ...interface{}) {
logger.mu.Lock()
defer logger.mu.Unlock()
fmt.Fprintf(logger, "err=%v msg=%s\n", err, msg)
}
func ExampleClientOptions_SetLoggerOptions_customLogger() {
buf := bytes.NewBuffer(nil)
sink := &CustomLogger{Writer: buf}
// Create a client with our logger options.
loggerOptions := options.
Logger().
SetSink(sink).
SetMaxDocumentLength(25).
SetComponentLevel(options.LogComponentCommand, options.LogLevelDebug)
clientOptions := options.
Client().
ApplyURI("mongodb://localhost:27017").
SetLoggerOptions(loggerOptions)
client, err := mongo.Connect(context.TODO(), clientOptions)
if err != nil {
log.Panicf("error connecting to MongoDB: %v", err)
}
defer func() { _ = client.Disconnect(context.TODO()) }()
// Make a database request to test our logging solution.
coll := client.Database("test").Collection("test")
_, err = coll.InsertOne(context.TODO(), map[string]string{"foo": "bar"})
if err != nil {
log.Panicf("InsertOne failed: %v", err)
}
// Print the logs.
fmt.Println(buf.String())
}
|
