Пример #1
0
// EnsureNotBootstrapped returns nil if the environment is not
// bootstrapped, and an error if it is or if the function was not able
// to tell.
func EnsureNotBootstrapped(env environs.Environ) error {
	_, err := env.StateServerInstances()
	// If there is no error determining state server instaces,
	// then we are bootstrapped.
	if err == nil {
		return environs.ErrAlreadyBootstrapped
	}
	if err == environs.ErrNotBootstrapped {
		return nil
	}
	return err
}
Пример #2
0
// EnsureNotBootstrapped returns nil if the environment is not
// bootstrapped, and an error if it is or if the function was not able
// to tell.
func EnsureNotBootstrapped(env environs.Environ) error {
	_, err := env.StateServerInstances()
	// If there is no error determining state server instaces,
	// then we are bootstrapped.
	switch errors.Cause(err) {
	case nil:
		return environs.ErrAlreadyBootstrapped
	case environs.ErrNoInstances:
		// TODO(axw) 2015-02-03 #1417526
		// We should not be relying on this result,
		// as it is possible for there to be no
		// state servers despite the environment
		// being bootstrapped.
		fallthrough
	case environs.ErrNotBootstrapped:
		return nil
	}
	return err
}