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Use reproducible UUIDs for partition identification

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Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>
This commit is contained in:
Itxaka
2023-05-03 15:18:56 +02:00
parent 6d6dfd00a1
commit 36f861fd0c
6 changed files with 159 additions and 19 deletions
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18
main.go
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@@ -8,6 +8,7 @@ import (
"strings"
"time"
"github.com/gofrs/uuid"
"github.com/jaypipes/ghw"
"github.com/jaypipes/ghw/pkg/block"
configpkg "github.com/kairos-io/kcrypt/pkg/config"
@@ -43,8 +44,8 @@ func createLuks(dev, password, version string, cryptsetupArgs ...string) error {
cmd.Stdin = strings.NewReader(password)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
err := cmd.Run()
if err != nil {
return err
}
@@ -74,8 +75,9 @@ func luksify(label string) (string, error) {
persistent = fmt.Sprintf("/dev/%s", persistent)
devMapper := fmt.Sprintf("/dev/mapper/%s", b.Name)
partUUID := uuid.NewV5(uuid.NamespaceURL, label)
if err := createLuks(persistent, pass, "luks1"); err != nil {
if err := createLuks(persistent, pass, "luks1", []string{"--uuid", partUUID.String()}...); err != nil {
return "", err
}
@@ -87,8 +89,8 @@ func luksify(label string) (string, error) {
return "", err
}
out, err := sh(fmt.Sprintf("mkfs.ext4 -L %s %s", label, devMapper))
cmd := fmt.Sprintf("mkfs.ext4 -L %s %s", label, devMapper)
out, err := sh(cmd)
if err != nil {
return "", fmt.Errorf("err: %w, out: %s", err, out)
}
@@ -102,11 +104,11 @@ func luksify(label string) (string, error) {
}
func findPartition(label string) (string, *block.Partition, error) {
block, err := ghw.Block()
b, err := ghw.Block()
if err == nil {
for _, disk := range block.Disks {
for _, disk := range b.Disks {
for _, p := range disk.Partitions {
if p.Label == label {
if p.FilesystemLabel == label {
return p.Name, p, nil
}