/
database.go
91 lines (73 loc) · 1.87 KB
/
database.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
// Copyright 2023 Igor Zibarev
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bunx
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/uptrace/bun"
"github.com/uptrace/bun/extra/bunotel"
"github.com/uptrace/bun/schema"
"go.uber.org/zap"
"github.com/auditumio/auditum/pkg/fragma/zapx/zapxbun"
)
func NewDatabase(
ctx context.Context,
sqldb *sql.DB,
dialect schema.Dialect,
log *zap.Logger,
logQueries LogQueriesFlag,
) (*bun.DB, error) {
db := bun.NewDB(
sqldb,
dialect,
bun.WithDiscardUnknownColumns(),
)
db.AddQueryHook(bunotel.NewQueryHook())
if logQueries == LogQueriesEnabled {
db.AddQueryHook(zapxbun.NewLogQueryHook(log))
}
bun.SetLogger(zapxbun.NewLogger(log))
if err := ping(ctx, db); err != nil {
return nil, fmt.Errorf("ping: %v", err)
}
return db, nil
}
type LogQueriesFlag int
const (
LogQueriesDisabled LogQueriesFlag = iota
LogQueriesEnabled
)
func LogQueriesFlagFromBool(enabled bool) LogQueriesFlag {
if enabled {
return LogQueriesEnabled
}
return LogQueriesDisabled
}
func ping(ctx context.Context, db *bun.DB) error {
const timeout = 5 * time.Second
ctx, cancel := context.WithTimeout(ctx, timeout)
defer cancel()
const maxAttempts = 100
var err error
for i := 0; i < maxAttempts; i++ {
err = db.PingContext(ctx)
if err == nil {
return nil
}
time.Sleep(timeout / maxAttempts)
}
return err
}