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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
package main
import (
"fmt"
"log"
"os"
"strings"
"github.com/uptrace/bun/migrate"
"sh.org.ru/cmd/bun/migrations"
"sh.org.ru/pkg/config"
"sh.org.ru/pkg/db"
"github.com/urfave/cli/v2"
)
func main() {
app := &cli.App{
Name: "bun",
Commands: []*cli.Command{
newDBCommand(migrations.Migrations),
},
}
if err := app.Run(os.Args); err != nil {
log.Fatal(err)
}
}
func newDBCommand(migrations *migrate.Migrations) *cli.Command {
return &cli.Command{
Name: "db",
Usage: "manage database migrations",
Subcommands: []*cli.Command{
{
Name: "init",
Usage: "create migration tables",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
log.Println("init")
return migrator.Init(c.Context)
},
},
{
Name: "migrate",
Usage: "migrate database",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
group, err := migrator.Migrate(c.Context)
if err != nil {
return err
}
if group.ID == 0 {
fmt.Printf("there are no new migrations to run\n")
return nil
}
fmt.Printf("migrated to %s\n", group)
return nil
},
},
{
Name: "rollback",
Usage: "rollback the last migration group",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
group, err := migrator.Rollback(c.Context)
if err != nil {
return err
}
if group.ID == 0 {
fmt.Printf("there are no groups to roll back\n")
return nil
}
fmt.Printf("rolled back %s\n", group)
return nil
},
},
{
Name: "lock",
Usage: "lock migrations",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
return migrator.Lock(c.Context)
},
},
{
Name: "unlock",
Usage: "unlock migrations",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
return migrator.Unlock(c.Context)
},
},
{
Name: "create",
Usage: "create migration",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "config",
Value: "./config/dev.yaml",
Usage: "config",
},
},
Action: func(c *cli.Context) error {
migrator, err := newMigrator(c, migrations)
if err != nil {
return err
}
name := strings.Join(c.Args().Slice(), "_")
mf, err := migrator.CreateGoMigration(c.Context, name)
if err != nil {
return err
}
fmt.Printf("created migration %s (%s)\n", mf.Name, mf.Path)
return nil
},
},
},
}
}
func newMigrator(c *cli.Context, migrations *migrate.Migrations) (*migrate.Migrator, error) {
configFile := c.String("config")
cfg, err := config.New(configFile)
if err != nil {
return nil, err
}
db := db.New(cfg.DB)
migrator := migrate.NewMigrator(db, migrations)
return migrator, nil
}
|
