classes.py 文件源码

def _add_dnsha_config(self, hacluster):
        """Add a DNSHA object to self.resources

        @param hacluster instance of interface class HAClusterRequires
        """
        if not self.config.get(DNSHA_KEY):
            return
        settings = ['os-admin-hostname', 'os-internal-hostname',
                    'os-public-hostname', 'os-access-hostname']

        for setting in settings:
            hostname = self.config.get(setting)
            if hostname is None:
                hookenv.log(
                    'DNS HA: Hostname setting {} is None. Ignoring.'.format(
                        setting),
                    hookenv.DEBUG)
                continue
            m = re.search('os-(.+?)-hostname', setting)
            if m:
                endpoint_type = m.group(1)
                # resolve_address's ADDRESS_MAP uses 'int' not 'internal'
                if endpoint_type == 'internal':
                    endpoint_type = 'int'
            else:
                msg = (
                    'Unexpected DNS hostname setting: {}. Cannot determine '
                    'endpoint_type name'.format(setting))
                hookenv.status_set('blocked', msg)
                raise os_ha.DNSHAException(msg)
            ip = os_ip.resolve_address(
                endpoint_type=endpoint_type,
                override=False)
            hacluster.add_dnsha(self.name, ip, hostname, endpoint_type)