core.py 文件源码

def openstack_upgrade_available(self, package=None, snap=None):
        """Check if an OpenStack upgrade is available

        :param package: str Package name to use to check upgrade availability
        :returns: bool
        """
        if not package:
            package = self.release_pkg
        if not snap:
            snap = self.release_snap

        src = self.config['openstack-origin']
        cur_vers = self.get_os_version_package(package)
        avail_vers = os_utils.get_os_version_install_source(src)
        if os_utils.snap_install_requested():
            cur_vers = self.get_os_version_snap(snap)
        else:
            cur_vers = self.get_os_version_package(package)
        apt.init()
        return apt.version_compare(avail_vers, cur_vers) == 1