In tempest, alias 'manager' has been moved to 'os_primary' in version Pike, and it will be removed in version Queens. This patch is to replace the usage of 'manager' with 'os_primary'. For other details, please check [1] and [2] [1] https://review.openstack.org/#/c/468036/ [2] https://review.openstack.org/#/c/463484/ Change-Id: I582758c42f61a85a2fd4aac5f7a97cd6021ecf68