kubernetes/kops · error

AsString called on nil Secret

Error message

AsString called on nil Secret

What it means

Error "AsString called on nil Secret" thrown in kubernetes/kops.

Source

Thrown at upup/pkg/fi/secrets.go:58

	// GetOrCreateSecret creates a secret
	GetOrCreateSecret(ctx context.Context, id string, secret *Secret) (current *Secret, created bool, err error)
	// ReplaceSecret will forcefully update an existing secret if it exists
	ReplaceSecret(id string, secret *Secret) (current *Secret, err error)
	// ListSecrets lists the ids of all known secrets
	ListSecrets() ([]string, error)

	// MirrorTo will copy secrets to a vfs.Path, which is often easier for a machine to read
	MirrorTo(ctx context.Context, basedir vfs.Path) error
}

type Secret struct {
	Data []byte
}

func (s *Secret) AsString() (string, error) {
	// Nicer behaviour because this is called from templates
	if s == nil {
		return "", fmt.Errorf("AsString called on nil Secret")
	}

	return string(s.Data), nil
}

func CreateSecret() (*Secret, error) {
	data := make([]byte, 128)
	_, err := crypto_rand.Read(data)
	if err != nil {
		return nil, fmt.Errorf("error reading crypto_rand: %v", err)
	}

	s := base64.StdEncoding.EncodeToString(data)
	r := strings.NewReplacer("+", "", "=", "", "/", "")
	s = r.Replace(s)
	s = s[:32]

	return &Secret{

View on GitHub (pinned to 4c8573c808)

When it happens

Trigger: Thrown at upup/pkg/fi/secrets.go:58 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of kubernetes/kops@4c8573c808 (2026-09-05). Data as JSON: /api/errors/49e968ddf78142de. Report an issue: GitHub.