Bug 1965 fixed
[osm/N2VC.git] / n2vc / k8s_conn.py
index 058f5ba..55b340a 100644 (file)
@@ -33,6 +33,7 @@ class K8sConnector(abc.ABC, Loggable):
     ################################### P U B L I C ####################################
     ####################################################################################
     """
+
     @staticmethod
     def generate_kdu_instance_name(**kwargs):
         raise NotImplementedError("Method not implemented")
@@ -207,6 +208,63 @@ 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,
+        cluster_uuid: str = None,
+        kdu_model: str = None,
+        atomic: bool = True,
+        db_dict: dict = None,
+        **kwargs,
+    ) -> bool:
+        """Scale a resource in a KDU instance.
+
+        Args:
+            kdu_instance: KDU instance name
+            scale: Scale to which to set the resource
+            resource_name: Resource name
+            total_timeout: The time, in seconds, to wait for the install
+                to finish
+            cluster_uuid: The UUID of the cluster
+            kdu_model: The chart/bundle reference
+            atomic: if set, upgrade process rolls back changes made in case of failed upgrade.
+                The --wait flag will be set automatically if --atomic is used
+            db_dict: Dictionary for any additional data
+            kwargs: Additional parameters
+                vca_id (str): VCA ID
+
+        Returns:
+            True if successful, False otherwise
+        """
+
+    @abc.abstractmethod
+    async def get_scale_count(
+        self,
+        resource_name: str,
+        kdu_instance: str,
+        cluster_uuid: str,
+        kdu_model: str,
+        timeout: float = 300,
+        **kwargs,
+    ) -> int:
+        """Get a resource scale count in a KDU instance.
+
+        Args:
+            resource_name: Resource name
+            kdu_instance: KDU instance name
+            cluster_uuid: The UUID of the cluster
+            kdu_model:    chart/bundle reference
+            timeout:  The time, in seconds, to wait
+            kwargs: Additional parameters
+
+        Returns:
+            Resource instance count
+        """
+
     @abc.abstractmethod
     async def rollback(
         self, cluster_uuid: str, kdu_instance: str, revision=0, db_dict: dict = None
@@ -318,10 +376,9 @@ class K8sConnector(abc.ABC, Loggable):
         """
 
     @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.
 
@@ -339,10 +396,9 @@ class K8sConnector(abc.ABC, Loggable):
         """
 
     @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.