Esempio n. 1
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// InterpretDeleteError converts a generic etcd error on a delete
// operation into the appropriate API error.
func InterpretDeleteError(err error, kind, name string) error {
	switch {
	case etcdutil.IsEtcdNotFound(err):
		return errors.NewNotFound(kind, name)
	case etcdutil.IsEtcdUnreachable(err):
		return errors.NewServerTimeout(kind, "delete", 2) // TODO: make configurable or handled at a higher level
	default:
		return err
	}
}
Esempio n. 2
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// InterpretCreateError converts a generic etcd error on a create
// operation into the appropriate API error.
func InterpretCreateError(err error, kind, name string) error {
	switch {
	case etcdutil.IsEtcdNodeExist(err):
		return errors.NewAlreadyExists(kind, name)
	case etcdutil.IsEtcdUnreachable(err):
		return errors.NewServerTimeout(kind, "create", 2) // TODO: make configurable or handled at a higher level
	default:
		return err
	}
}
Esempio n. 3
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// InterpretUpdateError converts a generic etcd error on a update
// operation into the appropriate API error.
func InterpretUpdateError(err error, kind, name string) error {
	switch {
	case etcdutil.IsEtcdTestFailed(err), etcdutil.IsEtcdNodeExist(err):
		return errors.NewConflict(kind, name, err)
	case etcdutil.IsEtcdUnreachable(err):
		return errors.NewServerTimeout(kind, "update", 2) // TODO: make configurable or handled at a higher level
	default:
		return err
	}
}
Esempio n. 4
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func toStorageErr(err error, key string, rv int64) error {
	if err == nil {
		return nil
	}
	switch {
	case etcdutil.IsEtcdNotFound(err):
		return storage.NewKeyNotFoundError(key, rv)
	case etcdutil.IsEtcdNodeExist(err):
		return storage.NewKeyExistsError(key, rv)
	case etcdutil.IsEtcdTestFailed(err):
		return storage.NewResourceVersionConflictsError(key, rv)
	case etcdutil.IsEtcdUnreachable(err):
		return storage.NewUnreachableError(key, rv)
	default:
		return err
	}
}
Esempio n. 5
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// IsUnreachable returns true if and only if err indicates the server could not be reached.
func IsUnreachable(err error) bool {
	// TODO: add alternate storage error here
	return etcdutil.IsEtcdUnreachable(err)
}