adapters.py 文件源码

def service_ports(self):
        """Dict of service names and the ports they listen on

        @return {'svc1': ['portA', 'portB'], 'svc2': ['portC', 'portD'], ...}
        """
        # Note(AJK) - ensure that service ports is always in the same order
        service_ports = collections.OrderedDict()
        if self.port_map:
            for service in sorted(self.port_map.keys()):
                port_types = sorted(list(self.port_map[service].keys()))
                for port_type in port_types:
                    listen_port = self.port_map[service][port_type]
                    key = '{}_{}'.format(service, port_type)
                    used_ports = [v[0] for v in service_ports.values()]
                    if listen_port in used_ports:
                        hookenv.log("Not adding haproxy listen stanza for {} "
                                    "port is already in use".format(key),
                                    level=hookenv.WARNING)
                        continue
                    service_ports[key] = [
                        self.port_map[service][port_type],
                        ch_cluster.determine_apache_port(
                            self.port_map[service][port_type],
                            singlenode_mode=True)]

        return service_ports