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from abc import abstractmethod from typing import Optional from cloudinit.subp import SubpResult class NetOps: @staticmethod @abstractmethod def link_up(interface: str) -> SubpResult: pass @staticmethod @abstractmethod def link_down(interface: str) -> SubpResult: pass @staticmethod @abstractmethod def link_rename(current_name: str, new_name: str): pass @staticmethod def add_route( interface: str, route: str, *, gateway: Optional[str] = None, source_address: Optional[str] = None ): pass @staticmethod def append_route(interface: str, address: str, gateway: str): pass @staticmethod def del_route( interface: str, address: str, *, gateway: Optional[str] = None, source_address: Optional[str] = None ): pass @staticmethod @abstractmethod def get_default_route() -> str: pass @staticmethod def add_addr( interface: str, address: str, broadcast: Optional[str] = None ): pass @staticmethod def del_addr(interface: str, address: str): pass @staticmethod def flush_addr(interface: str): pass