forked from harness/gitness
/
logs.go
135 lines (121 loc) · 2.75 KB
/
logs.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
// Copyright 2019 Drone IO, Inc.
//
// 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 logs
import (
"bytes"
"context"
"io"
"io/ioutil"
"github.com/drone/drone/core"
"github.com/drone/drone/store/shared/db"
)
// New returns a new LogStore.
func New(db *db.DB) core.LogStore {
return &logStore{db}
}
type logStore struct {
db *db.DB
}
func (s *logStore) Find(ctx context.Context, step int64) (io.ReadCloser, error) {
out := &logs{ID: step}
err := s.db.View(func(queryer db.Queryer, binder db.Binder) error {
query, args, err := binder.BindNamed(queryKey, out)
if err != nil {
return err
}
row := queryer.QueryRow(query, args...)
return scanRow(row, out)
})
return ioutil.NopCloser(
bytes.NewBuffer(out.Data),
), err
}
func (s *logStore) Create(ctx context.Context, step int64, r io.Reader) error {
data, err := ioutil.ReadAll(r)
if err != nil {
return err
}
return s.db.Lock(func(execer db.Execer, binder db.Binder) error {
params := &logs{
ID: step,
Data: data,
}
stmt, args, err := binder.BindNamed(stmtInsert, params)
if err != nil {
return err
}
_, err = execer.Exec(stmt, args...)
return err
})
}
func (s *logStore) Update(ctx context.Context, step int64, r io.Reader) error {
data, err := ioutil.ReadAll(r)
if err != nil {
return err
}
return s.db.Lock(func(execer db.Execer, binder db.Binder) error {
params := &logs{
ID: step,
Data: data,
}
stmt, args, err := binder.BindNamed(stmtUpdate, params)
if err != nil {
return err
}
_, err = execer.Exec(stmt, args...)
return err
})
}
func (s *logStore) Delete(ctx context.Context, step int64) error {
return s.db.Lock(func(execer db.Execer, binder db.Binder) error {
params := &logs{
ID: step,
}
stmt, args, err := binder.BindNamed(stmtDelete, params)
if err != nil {
return err
}
_, err = execer.Exec(stmt, args...)
return err
})
}
type logs struct {
ID int64 `db:"log_id"`
Data []byte `db:"log_data"`
}
const queryKey = `
SELECT
log_id
,log_data
FROM logs
WHERE log_id = :log_id
`
const stmtInsert = `
INSERT INTO logs (
log_id
,log_data
) VALUES (
:log_id
,:log_data
)
`
const stmtUpdate = `
UPDATE logs
SET log_data = :log_data
WHERE log_id = :log_id
`
const stmtDelete = `
DELETE FROM logs
WHERE log_id = :log_id
`