'Return a list of all running services. Filter by host & service
name'

@extensions.expected_errors(())
def index(self, req):

    if api_version_request.is_supported(req, min_version='2.11'):
        _services = self._get_services_list(req, ['forced_down'])
    else:
        _services = self._get_services_list(req)
    return {'services': _services}
