agentconfig

func Exists ¶

func Exists() bool

Exists reports whether the persistent agent token file is already on disk.

Used by “register“ to refuse re-runs (with a clear error) and by idempotent install scripts to decide between “register“ and a plain “scan --yes“. Permission errors fall through as "does not exist" so callers see a single source of truth: the file is treated as already-configured when it is readable; anything else means register should attempt to write it.

func Load ¶

func Load() (string, error)

Load reads the persistent agent token.

Returns ErrNotConfigured if the file does not exist. Refuses to read if the file mode is looser than 0600 (the caller should then re-register rather than continue with an exposed credential).

func Path ¶

func Path() string

Path returns the resolved configuration file path.

func Save ¶

func Save(token string) error

Save writes the persistent agent token with mode 0600.

The parent directory is created if missing. The file is written via a temp file + rename so a concurrent reader never sees a half-written credential.