credentials

type Config struct {
	// LocalKeyStoreDir is the local Gravity key store directory (defaults to ~/.gravity).
	LocalKeyStoreDir string
	// TeleportKeyStoreDir is the local Teleport key store directory (defaults to ~/.tsh).
	TeleportKeyStoreDir string
	// Backend is the optional backend for login entries stored in database.
	Backend storage.Backend
	// Credentials is the preconfigured credentials entry.
	Credentials *Credentials
}

type Credentials struct {
	// URL is the URL of the cluster the credentials are for.
	URL string
	// User is the credentials username.
	User string
	// Entry defines the login entry for username/password authentication.
	Entry users.LoginEntry
	// TLS defines the client configuration for mTLS authentication.
	TLS *tls.Config
}

type Service interface {
	// Current returns the currently active user credentials.
	Current() (*Credentials, error)
	// For returns user credentials for the specified cluster.
	For(clusterURL string) (*Credentials, error)
	// UpsertLoginEntry upserts login entry in the local key store.
	//
	// DEPRECATED: This method can removed when authentication via local
	//             Gravity key store is no longer supported.
	UpsertLoginEntry(clusterURL, username, password string) error
}