import abc
import asyncio
+from typing import Union
import time
from n2vc.loggable import Loggable
################################### P U B L I C ####################################
####################################################################################
"""
+
@staticmethod
def generate_kdu_instance_name(**kwargs):
raise NotImplementedError("Method not implemented")
:return: reference to the new revision number of the KDU instance
"""
+ @abc.abstractmethod
+ async def scale(
+ self,
+ kdu_instance: str,
+ scale: int,
+ resource_name: str,
+ total_timeout: float = 1800,
+ **kwargs,
+ ) -> bool:
+ """
+ Scales an application in KDU instance.
+
+ :param: kdu_instance str: KDU instance name
+ :param: scale int: Scale to which to set this application
+ :param: resource_name str: Resource name (Application name)
+ :param: timeout float: The time, in seconds, to wait for the install
+ to finish
+ :param kwargs: Additional parameters
+
+ :return: If successful, returns True
+ """
+
+ @abc.abstractmethod
+ async def get_scale_count(
+ self,
+ resource_name: str,
+ kdu_instance: str,
+ **kwargs,
+ ) -> int:
+ """
+ Get an application scale count.
+
+ :param: resource_name str: Resource name (Application name)
+ :param: kdu_instance str: KDU instance name
+ :param kwargs: Additional parameters
+
+ :return: Return application instance count
+ """
+
@abc.abstractmethod
async def rollback(
self, cluster_uuid: str, kdu_instance: str, revision=0, db_dict: dict = None
"""
@abc.abstractmethod
- async def status_kdu(self, cluster_uuid: str, kdu_instance: str) -> str:
+ async def status_kdu(
+ self, cluster_uuid: str, kdu_instance: str, yaml_format: str
+ ) -> Union[str, dict]:
"""
This call would retrieve tha current state of a given KDU instance. It would be
would allow to retrieve the _composition_ (i.e. K8s objects) and _specific
:param cluster_uuid: UUID of a K8s cluster known by OSM
:param kdu_instance: unique name for the KDU instance
+ :param yaml_format: if the return shall be returned as an YAML string or as a
+ dictionary
:return: If successful, it will return the following vector of arguments:
- K8s `namespace` in the cluster where the KDU lives
- `state` of the KDU instance. It can be:
"""
@abc.abstractmethod
- async def get_services(self,
- cluster_uuid: str,
- kdu_instance: str,
- namespace: str) -> list:
+ async def get_services(
+ self, cluster_uuid: str, kdu_instance: str, namespace: str
+ ) -> list:
"""
Returns a list of services defined for the specified kdu instance.
"""
@abc.abstractmethod
- async def get_service(self,
- cluster_uuid: str,
- service_name: str,
- namespace: str = None) -> object:
+ async def get_service(
+ self, cluster_uuid: str, service_name: str, namespace: str = None
+ ) -> object:
"""
Obtains the data of the specified service in the k8cluster.