Add label to luks partition and dont gate on label (#471)

* Add label to luks partition and dont gate on label

Instead of gating on labels, lets just add the label to the luks
partition, the same way we do to the underlying unlocked partition, so
they share the fs label. That way, the locking and unlocking refer to
the same label always

---------

Signed-off-by: Itxaka <itxaka@kairos.io>
(cherry picked from commit b0b2518e6a)

pkg/config/config.go

@@ -7,7 +7,6 @@ import (
 	"os"
 	"strings"
 
-	"github.com/gofrs/uuid"
 	"github.com/jaypipes/ghw/pkg/block"
 	"github.com/kairos-io/kairos-sdk/collector"
 	"github.com/pkg/errors"
@@ -121,25 +120,3 @@ func (c Config) LookupLabelForUUID(uuid string) string {
 
 	return ""
 }
-
-// GetLabelForUUID returns the partition label for a known UUID
-// UUIDS are generated on luksify method
-// They are generated by setting the namespace to DNS and the name to the fs label, so they are always the same
-func (c Config) GetLabelForUUID(uuidCheck string) (string, error) {
-	persistent := uuid.NewV5(uuid.NamespaceURL, "COS_PERSISTENT")
-	oem := uuid.NewV5(uuid.NamespaceURL, "COS_OEM")
-	fmt.Printf("Checking uuid: %s\n", uuidCheck)
-	parsedUUID, err := uuid.FromString(uuidCheck)
-	if err != nil {
-		return "", err
-	}
-	switch parsedUUID {
-	case persistent:
-		return "COS_PERSISTENT", nil
-	case oem:
-		return "COS_OEM", nil
-	default:
-		return "", errors.New("no partition found with that uuid")
-
-	}
-}