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package generators
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/lxc/distrobuilder/image"
"github.com/lxc/distrobuilder/shared"
)
type dump struct {
common
}
// RunLXC dumps content to a file.
func (g *dump) RunLXC(img *image.LXCImage, target shared.DefinitionTargetLXC) error {
content := g.defFile.Content
err := g.run(content)
if err != nil {
return fmt.Errorf("Failed to dump content: %w", err)
}
if g.defFile.Templated {
err = img.AddTemplate(g.defFile.Path)
if err != nil {
return fmt.Errorf("Failed to add template: %w", err)
}
}
return nil
}
// RunIncus dumps content to a file.
func (g *dump) RunIncus(img *image.IncusImage, target shared.DefinitionTargetIncus) error {
content := g.defFile.Content
return g.run(content)
}
// Run dumps content to a file.
func (g *dump) Run() error {
return g.run(g.defFile.Content)
}
func (g *dump) run(content string) error {
path := filepath.Join(g.sourceDir, g.defFile.Path)
// Create any missing directory
err := os.MkdirAll(filepath.Dir(path), 0o755)
if err != nil {
return fmt.Errorf("Failed to create directory %q: %w", filepath.Dir(path), err)
}
// Open the target file (create if needed)
file, err := os.Create(path)
if err != nil {
return fmt.Errorf("Failed to create file %q: %w", path, err)
}
defer file.Close()
// Append final new line if missing
if !strings.HasSuffix(content, "\n") {
content += "\n"
}
// Write the content
_, err = file.WriteString(content)
if err != nil {
return fmt.Errorf("Failed to write string to file %q: %w", path, err)
}
err = updateFileAccess(file, g.defFile)
if err != nil {
return fmt.Errorf("Failed to update file access of %q: %w", path, err)
}
return nil
}
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