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
|
package generators
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/flosch/pongo2"
"github.com/lxc/incus/v6/shared/api"
"github.com/lxc/distrobuilder/image"
"github.com/lxc/distrobuilder/shared"
)
type template struct {
common
}
// RunLXC dumps content to a file.
func (g *template) RunLXC(img *image.LXCImage, target shared.DefinitionTargetLXC) error {
// no template support for LXC, ignoring generator
return nil
}
// RunIncus dumps content to a file.
func (g *template) RunIncus(img *image.IncusImage, target shared.DefinitionTargetIncus) error {
templateDir := filepath.Join(g.cacheDir, "templates")
err := os.MkdirAll(templateDir, 0o755)
if err != nil {
return fmt.Errorf("Failed to create directory %q: %w", templateDir, err)
}
template := fmt.Sprintf("%s.tpl", g.defFile.Name)
file, err := os.Create(filepath.Join(templateDir, template))
if err != nil {
return fmt.Errorf("Failed to create file %q: %w", filepath.Join(templateDir, template), err)
}
defer file.Close()
content := g.defFile.Content
// Append final new line if missing
if !strings.HasSuffix(content, "\n") {
content += "\n"
}
if g.defFile.Pongo {
tpl, err := pongo2.FromString(content)
if err != nil {
return fmt.Errorf("Failed to parse template: %w", err)
}
content, err = tpl.Execute(pongo2.Context{"incus": target})
if err != nil {
return fmt.Errorf("Failed to execute template: %w", err)
}
}
_, err = file.WriteString(content)
if err != nil {
return fmt.Errorf("Failed to write to content to %s template: %w", g.defFile.Name, err)
}
// Add to Incus templates
img.Metadata.Templates[g.defFile.Path] = &api.ImageMetadataTemplate{
Template: template,
Properties: g.defFile.Template.Properties,
When: g.defFile.Template.When,
}
if len(g.defFile.Template.When) == 0 {
img.Metadata.Templates[g.defFile.Path].When = []string{
"create",
"copy",
}
}
return nil
}
// Run does nothing.
func (g *template) Run() error {
return nil
}
|
