This repository has been archived by the owner on Jul 12, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 83
/
database.go
79 lines (66 loc) · 2.2 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
// Copyright 2020 Google LLC
//
// 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 database manages database connections and ORM integration.
package database
import (
"context"
"fmt"
"github.com/google/exposure-notifications-server/pkg/cache"
"github.com/google/exposure-notifications-server/pkg/secrets"
"github.com/jinzhu/gorm"
// ensure the postgres dialiect is compiled in.
_ "github.com/jinzhu/gorm/dialects/postgres"
)
// Database is a handle to the database layer for the Exposure Notifications
// Verification Server.
type Database struct {
db *gorm.DB
config *Config
// cacher is an internal write-through cache for frequent lookups.
cacher *cache.Cache
// secretManager is used to resolve secrets.
secretManager secrets.SecretManager
}
// Open created a DB connection through gorm.
func (c *Config) Open(ctx context.Context) (*Database, error) {
// Create the cacher.
cacher, err := cache.New(c.CacheTTL)
if err != nil {
return nil, fmt.Errorf("failed to create cache: %w", err)
}
// Create the secret manager.
secretManager, err := secrets.SecretManagerFor(ctx, c.Secrets.SecretManagerType)
if err != nil {
return nil, fmt.Errorf("failed to create secret manager: %w", err)
}
// Connect to the database.
db, err := gorm.Open("postgres", c.ConnectionString())
if err != nil {
return nil, fmt.Errorf("database gorm.Open: %w", err)
}
// Log SQL statements in debug mode.
if c.Debug {
db.LogMode(true)
}
return &Database{
db: db,
config: c,
cacher: cacher,
secretManager: secretManager,
}, nil
}
// Close will close the database connection. Should be deferred right after Open.
func (db *Database) Close() error {
return db.db.Close()
}