Revert "Pxe uki (#791)" (#795)

pkg/utils/common.go

@@ -21,8 +21,6 @@ import (
 	"crypto/sha256"
 	"errors"
 	"fmt"
-	"github.com/foxboron/go-uefi/efi/attr"
-	"github.com/kairos-io/kairos-agent/v2/pkg/utils/loop"
 	"io"
 	"io/fs"
 	random "math/rand"
@@ -35,18 +33,19 @@ import (
 	"strings"
 	"time"
 
-	"github.com/distribution/reference"
-	"github.com/foxboron/go-uefi/efi/attributes"
-	"github.com/foxboron/go-uefi/efivarfs"
-	"github.com/joho/godotenv"
-	agentConfig "github.com/kairos-io/kairos-agent/v2/pkg/config"
-	cnst "github.com/kairos-io/kairos-agent/v2/pkg/constants"
-	v1 "github.com/kairos-io/kairos-agent/v2/pkg/types/v1"
-	fsutils "github.com/kairos-io/kairos-agent/v2/pkg/utils/fs"
-	"github.com/kairos-io/kairos-agent/v2/pkg/utils/partitions"
+	sdkTypes "github.com/kairos-io/kairos-sdk/types"
+
 	"github.com/kairos-io/kairos-sdk/state"
 	"github.com/kairos-io/kairos-sdk/types"
-	sdkTypes "github.com/kairos-io/kairos-sdk/types"
+
+	agentConfig "github.com/kairos-io/kairos-agent/v2/pkg/config"
+	fsutils "github.com/kairos-io/kairos-agent/v2/pkg/utils/fs"
+	"github.com/kairos-io/kairos-agent/v2/pkg/utils/partitions"
+
+	"github.com/distribution/reference"
+	"github.com/joho/godotenv"
+	cnst "github.com/kairos-io/kairos-agent/v2/pkg/constants"
+	v1 "github.com/kairos-io/kairos-agent/v2/pkg/types/v1"
 	"github.com/twpayne/go-vfs/v5"
 )
 
@@ -708,106 +707,3 @@ func ReadAssessmentFromEntry(fs v1.FS, entry string, logger sdkTypes.KairosLogge
 	}
 	return re.FindStringSubmatch(currentfile[0])[1], nil
 }
-
-// ReadEfivar reads the content of an efivar file, skipping the first 4 bytes (attributes).
-func ReadEfivar(path string) ([]byte, error) {
-	f, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	// Skip the first 4 bytes (attributes)
-	attr := make([]byte, 4)
-	_, err = io.ReadFull(f, attr)
-	if err != nil {
-		return nil, err
-	}
-
-	content, err := io.ReadAll(f)
-	if err != nil {
-		return nil, err
-	}
-	return content, nil
-}
-
-func RemoveBootEntry(entryName string, l types.KairosLogger) error {
-	// Remove any boot entries that match kairos
-	efifs := efivarfs.NewFS().CheckImmutable().UnsetImmutable().Open()
-	for _, entry := range efifs.GetBootOrder() {
-		e, err := efifs.GetBootEntry(entry)
-		if err != nil {
-			return err
-		}
-		// TODO: maybe contains? so we match any variations that migth appear in the future?
-		if strings.ToLower(e.Description) == strings.ToLower(entryName) {
-			fileName := fmt.Sprintf("/sys/firmware/efi/efivars/%s-%s", entry, attributes.EFI_GLOBAL_VARIABLE.Format())
-			l.Logger.Debug().Str("entry", e.Description).Str("filename", fileName).Msg("Removing boot entry")
-			err = os.Remove(fileName)
-			if err != nil {
-				l.Logger.Err(err).Str("entry", e.Description).Str("filename", fileName).Msg("Error removing boot entry")
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-func RemoveEfivarPXE(l types.KairosLogger) error {
-	// Disable immutability
-	err := attr.UnsetImmutable(cnst.PXEVarFile)
-	if err != nil {
-		l.Logger.Err(err).Str("file", cnst.PXEVarFile).Msg("Error unsetting immutable attribute")
-		return err
-	}
-	return os.Remove(cnst.PXEVarFile)
-}
-
-func SetPXEEnv(c *agentConfig.Config) error {
-	efivar, err := ReadEfivar(cnst.PXEVarFile)
-	// We dont care if we fail to read it, that means its not there
-	if err == nil {
-		c.Logger.Logger.Info().Str("iso", string(efivar)).Msg("PXE boot detected, downloading and mounting the iso locally")
-		err = c.Client.GetURL(c.Logger, string(efivar), cnst.PXEIsoFile)
-		if err != nil {
-			return err
-		}
-
-		isoLoop, err := loop.LoopRO(&v1.Image{File: cnst.PXEIsoFile}, c)
-		if err != nil {
-			c.Logger.Logger.Error().Err(err).Msg("Error creating loop device for iso image")
-			return err
-		}
-		defer loop.Unloop(isoLoop, c)
-		c.Logger.Logger.Debug().Str("iso", isoLoop).Msg("Mounted iso loop device")
-
-		// Mount the iso under /run/initramfs/live
-		err = c.Mounter.Mount(isoLoop, cnst.UkiCdromSource, cnst.IsoFS, nil)
-		if err != nil {
-			c.Logger.Errorf("Error mounting iso: %s", err.Error())
-			return err
-		}
-		c.Logger.Infof("Mounted iso under %s", cnst.UkiCdromSource)
-		defer c.Mounter.Unmount(cnst.UkiCdromSource)
-
-		// Now mount the efi image inside the iso
-		efiLoop, err := loop.LoopRO(&v1.Image{File: filepath.Join(cnst.UkiCdromSource, cnst.PXEEfiBootFile)}, c)
-		if err != nil {
-			c.Logger.Logger.Error().Err(err).Msg("Error creating loop device for efi image")
-			return err
-		}
-		defer loop.Unloop(efiLoop, c)
-		c.Logger.Logger.Debug().Str("efi", efiLoop).Msg("Mounted efi loop device")
-
-		// Mount the efi image under /run/rootfsbase which is the same as to other boot paths mount it at
-		err = c.Mounter.Mount(efiLoop, cnst.IsoBaseTree, cnst.EfiFs, nil)
-		if err != nil {
-			c.Logger.Errorf("Error mounting iso: %s", err.Error())
-			return err
-		}
-		c.Logger.Infof("Mounted Efi source under %s", cnst.IsoBaseTree)
-		defer c.Mounter.Unmount(cnst.IsoBaseTree)
-		// Now the system should have the same paths and sources as the normal install from usb/cdrom
-	}
-	return nil
-}