import abc
from typing import Any, Dict
class AutoAttachCloudInstance(metaclass=abc.ABCMeta):
@property
@abc.abstractmethod
def identity_doc(self) -> Dict[str, Any]:
"""Return the identity document representing this cloud instance"""
pass
@property
@abc.abstractmethod
def cloud_type(self) -> str:
"""Return a string of the cloud type on which this instance runs"""
pass
@property
@abc.abstractmethod
def is_viable(self) -> bool:
"""Return True if the machine is a viable AutoAttachCloudInstance."""
pass
@abc.abstractmethod
def should_poll_for_pro_license(self) -> bool:
"""
Cloud-specific checks for whether the daemon should continously poll
for Ubuntu Pro licenses.
"""
pass
@abc.abstractmethod
def is_pro_license_present(self, *, wait_for_change: bool) -> bool:
"""
Check for an Ubuntu Pro license
"""
pass