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M2: improve error messages with actionable suggestions

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udisks2 connection and device listing errors now suggest checking the
service. Device-not-found errors suggest 'arca status' or 'arca init'.
Failed cryptsetup token unlock hints at missing FIDO2/TPM2 key.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kyle Isom
2026-03-24 07:59:26 -07:00
parent ea7e09bdfb
commit 26aa202b05
2 changed files with 6 additions and 6 deletions
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4
internal/unlock/unlock.go
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@@ -43,7 +43,7 @@ func (u *Unlocker) Unlock(dev *udisks.BlockDevice, methods []string) (*Result, e
}
errs = append(errs, fmt.Errorf("%s: %w", method, err))
}
return nil, fmt.Errorf("all unlock methods failed:\n%w", errors.Join(errs...))
return nil, fmt.Errorf("all unlock methods failed for %s:\n%w", dev.DevicePath, errors.Join(errs...))
}
func (u *Unlocker) tryMethod(dev *udisks.BlockDevice, method string) (*Result, error) {
@@ -96,7 +96,7 @@ func (u *Unlocker) unlockKeyfile(dev *udisks.BlockDevice) (*udisks.BlockDevice,
func (u *Unlocker) unlockCryptsetup(dev *udisks.BlockDevice) (*udisks.BlockDevice, error) {
name := cryptsetup.MapperName(dev.DevicePath)
if err := cryptsetup.Open(dev.DevicePath, name); err != nil {
return nil, err
return nil, fmt.Errorf("%w (is the FIDO2/TPM2 key plugged in?)", err)
}
// Wait for udisks2 to pick up the new dm device.