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Pxe uki (#791)

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This commit is contained in:
Itxaka
2025-05-23 11:48:26 +02:00
committed by GitHub
parent 530e2df7cf
commit 7842ad8059
4 changed files with 159 additions and 17 deletions
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11
pkg/utils/loop/loopback.go
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@@ -23,6 +23,15 @@ func errnoIsErr(err error) error {
// Loop will setup a /dev/loopX device linked to the image file by using syscalls directly to set it
func Loop(img *v1.Image, cfg *config.Config) (loopDevice string, err error) {
return loop(img, cfg, os.O_RDWR)
}
// LoopRO will setup a /dev/loopX device linked to the image file by using syscalls directly to set it. Will open it RO
func LoopRO(img *v1.Image, cfg *config.Config) (loopDevice string, err error) {
return loop(img, cfg, os.O_RDONLY)
}
func loop(img *v1.Image, cfg *config.Config, openPerm int) (loopDevice string, err error) {
log := cfg.Logger
log.Debugf("Opening loop control device")
fd, err := cfg.Fs.OpenFile("/dev/loop-control", os.O_RDONLY, 0o644)
@@ -47,7 +56,7 @@ func Loop(img *v1.Image, cfg *config.Config) (loopDevice string, err error) {
return loopDevice, err
}
log.Logger.Debug().Str("image", img.File).Msg("Opening img file")
imageFile, err := cfg.Fs.OpenFile(img.File, os.O_RDWR, os.ModePerm)
imageFile, err := cfg.Fs.OpenFile(img.File, openPerm, os.ModePerm)
if err != nil {
log.Error("failed to open image file")
return loopDevice, err