Implement get_service and get_services methods for K8sJujuConnector

[osm/N2VC.git] / n2vc / k8s_juju_conn.py

diff --git a/n2vc/k8s_juju_conn.py b/n2vc/k8s_juju_conn.py
index 12da700..313e878 100644 (file)
--- a/n2vc/k8s_juju_conn.py
+++ b/n2vc/k8s_juju_conn.py
@@ -23,7 +23,7 @@ from juju.controller import Controller
 from juju.model import Model
 from n2vc.exceptions import K8sException
 from n2vc.k8s_conn import K8sConnector
-
+from n2vc.kubectl import Kubectl
 from .exceptions import MethodNotImplemented
 
 
@@ -691,23 +691,30 @@ class K8sJujuConnector(K8sConnector):
 
         return status
 
-    async def get_services(self,
-                           cluster_uuid: str,
-                           kdu_instance: str,
-                           namespace: str = None) -> list:
-        """
-        Returns empty list as currently add_repo is not implemented
-        """
-        raise MethodNotImplemented
+    async def get_services(
+        self, cluster_uuid: str, kdu_instance: str, namespace: str
+    ) -> list:
+        """Return a list of services of a kdu_instance"""
 
-    async def get_service(self,
-                          cluster_uuid: str,
-                          service_name: str,
-                          namespace: str = None) -> object:
-        """
-        Returns empty list as currently add_repo is not implemented
-        """
-        raise MethodNotImplemented
+        config_file = self.get_config_file(cluster_uuid=cluster_uuid)
+        kubectl = Kubectl(config_file=config_file)
+        return kubectl.get_services(
+            field_selector="metadata.namespace={}".format(kdu_instance)
+        )
+
+    async def get_service(
+        self, cluster_uuid: str, service_name: str, namespace: str
+    ) -> object:
+        """Return data for a specific service inside a namespace"""
+
+        config_file = self.get_config_file(cluster_uuid=cluster_uuid)
+        kubectl = Kubectl(config_file=config_file)
+
+        return kubectl.get_services(
+            field_selector="metadata.name={},metadata.namespace={}".format(
+                service_name, namespace
+            )
+        )[0]
 
     # Private methods
     async def add_k8s(self, cloud_name: str, credentials: str,) -> bool:
@@ -856,6 +863,12 @@ class K8sJujuConnector(K8sConnector):
             if "already exists" not in stderr:
                 raise Exception(stderr)
 
+    def get_config_file(self, cluster_uuid: str) -> str:
+        """
+        Get Cluster Kubeconfig location
+        """
+        return "{}/{}/.kube/config".format(self.fs.path, cluster_uuid)
+
     def get_config(self, cluster_uuid: str,) -> dict:
         """Get the cluster configuration