def openstack_connection_kwargs(self):
        rv = {}
        if self._ex_force_base_url:
            rv['ex_force_base_url'] = self._ex_force_base_url
        if self._ex_force_auth_token:
            rv['ex_force_auth_token'] = self._ex_force_auth_token
        if self._ex_force_auth_url:
            rv['ex_force_auth_url'] = self._ex_force_auth_url
        if self._ex_force_auth_version:
            rv['ex_force_auth_version'] = self._ex_force_auth_version
        if self._ex_token_scope:
            rv['ex_token_scope'] = self._ex_token_scope
        if self._ex_domain_name:
            rv['ex_domain_name'] = self._ex_domain_name
        if self._ex_tenant_name:
            rv['ex_tenant_name'] = self._ex_tenant_name
        if self._ex_force_service_type:
            rv['ex_force_service_type'] = self._ex_force_service_type
        if self._ex_force_service_name:
            rv['ex_force_service_name'] = self._ex_force_service_name
        if self._ex_force_service_region:
            rv['ex_force_service_region'] = self._ex_force_service_region
        return rv
:rtype: ``dict``
dataset/ETHPy150Open apache/libcloud/libcloud/common/openstack.py/OpenStackDriverMixin.openstack_connection_kwargs