/
dockerfile.go
56 lines (49 loc) · 1.22 KB
/
dockerfile.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
package common
import (
"fmt"
"github.com/magefile/mage/target"
"os"
"path/filepath"
"text/template"
)
const dir = "."
type DockerfileParams struct {
Filename string
Goarch string
Prebuilt bool
}
var dockerfileTemplate = "template.dockerfile"
var DockerfileSettings []*DockerfileParams
func generateDockerfile(data *DockerfileParams) error {
tmpl, err := template.ParseFiles(filepath.Join(dir, dockerfileTemplate))
if err != nil {
return err
}
file, err := os.Create(filepath.Join(dir, data.Filename)) // Create or truncate a file
if err != nil {
return err
}
defer func() { _ = file.Close() }()
_, _ = file.WriteString(
fmt.Sprintf("# THIS FILE IS GENERATED FROM `%s`. DO NOT EDIT DIRECTLY.\n", dockerfileTemplate),
)
err = tmpl.Execute(file, data)
if err != nil {
return err
}
return nil
}
// Dockerfiles generates dockerfiles from the template.
//
//goland:noinspection GoUnusedExportedFunction, GoUnnecessarilyExportedIdentifiers
func Dockerfiles() error {
for _, dockerfileParams := range DockerfileSettings {
if updated, _ := target.Path(dockerfileParams.Filename, dockerfileTemplate); updated {
err := generateDockerfile(dockerfileParams)
if err != nil {
return err
}
}
}
return nil
}