mirror of
https://github.com/kairos-io/immucore.git
synced 2025-07-12 05:58:15 +00:00
62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
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package utils
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/gofrs/uuid"
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"github.com/jaypipes/ghw"
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"github.com/kairos-io/kairos-sdk/utils"
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)
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// UpgradeKcryptPartitions will try check for the uuid of the persistent partition and upgrade its uuid.
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func UpgradeKcryptPartitions() error {
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// Generate the predictable UUID
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persistentUUID := uuid.NewV5(uuid.NamespaceURL, "COS_PERSISTENT")
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// Check if there are any LUKS partitions, otherwise ignore
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blk, err := ghw.Block()
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if err != nil {
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return err
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}
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for _, disk := range blk.Disks {
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for _, p := range disk.Partitions {
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if p.Type == "crypto_LUKS" {
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// Check against known partition label on persistent
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Log.Debug().Str("label", p.Label).Str("dev", p.Name).Msg("found luks partition")
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if p.Label == "persistent" {
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// Get current UUID
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volumeUUID, err := utils.SH(fmt.Sprintf("cryptsetup luksUUID %s", filepath.Join("/dev", p.Name)))
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if err != nil {
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Log.Err(err).Send()
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return err
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}
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volumeUUID = strings.TrimSpace(volumeUUID)
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volumeUUIDParsed, err := uuid.FromString(volumeUUID)
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Log.Debug().Interface("volumeUUID", volumeUUIDParsed).Send()
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Log.Debug().Interface("persistentUUID", persistentUUID).Send()
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if err != nil {
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Log.Err(err).Send()
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return err
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}
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// Check to see if it's the same already to not do anything
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if volumeUUIDParsed.String() != persistentUUID.String() {
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Log.Debug().Str("old", volumeUUIDParsed.String()).Str("new", persistentUUID.String()).Msg("Uuid is different, updating")
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out, err := utils.SH(fmt.Sprintf("cryptsetup luksUUID -q --uuid %s %s", persistentUUID, filepath.Join("/dev", p.Name)))
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if err != nil {
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Log.Err(err).Str("out", out).Msg("Updating uuid failed")
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return err
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}
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} else {
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Log.Debug().Msg("UUIDs are the same, not updating")
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}
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}
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}
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}
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}
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return nil
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}
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