// 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
}
}
// 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
}
}
// 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
}
}
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
}
}
// 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)
}