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package generators
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/lxc/distrobuilder/image"
"github.com/lxc/distrobuilder/shared"
)
type fstab struct {
common
}
// RunLXC doesn't support the fstab generator.
func (g *fstab) RunLXC(img *image.LXCImage, target shared.DefinitionTargetLXC) error {
return errors.New("fstab generator not supported for LXC")
}
// RunIncus writes to /etc/fstab.
func (g *fstab) RunIncus(img *image.IncusImage, target shared.DefinitionTargetIncus) error {
f, err := os.Create(filepath.Join(g.sourceDir, "etc/fstab"))
if err != nil {
return fmt.Errorf("Failed to create file %q: %w", filepath.Join(g.sourceDir, "etc/fstab"), err)
}
defer f.Close()
content := `LABEL=rootfs / %s %s 0 0
LABEL=UEFI /boot/efi vfat defaults 0 0
`
fs := target.VM.Filesystem
if fs == "" {
fs = "ext4"
}
options := "defaults"
if fs == "btrfs" {
options = fmt.Sprintf("%s,subvol=@", options)
}
_, err = fmt.Fprintf(f, content, fs, options)
if err != nil {
return fmt.Errorf("Failed to write string to file %q: %w", filepath.Join(g.sourceDir, "etc/fstab"), err)
}
return nil
}
// Run does nothing.
func (g *fstab) Run() error {
return nil
}
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