Feature 10509 manual scaling for native k8s charm

[osm/N2VC.git] / n2vc / k8s_conn.py

diff --git a/n2vc/k8s_conn.py b/n2vc/k8s_conn.py
index 058f5ba..f82e032 100644 (file)
--- a/n2vc/k8s_conn.py
+++ b/n2vc/k8s_conn.py
@@ -207,6 +207,44 @@ class K8sConnector(abc.ABC, Loggable):
         :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