Fixing charm application name creation if DU is Helm Chart/KDU

If deployment unit is a Helm chart/KDU,
vdu_profile_id and vdu_count will be empty string.

Change-Id: Ifb6aed0f08f2d7687d0cd6a31506268926ac7f63
Signed-off-by: aticig <gulsum.atici@canonical.com>

diff --git a/n2vc/n2vc_juju_conn.py b/n2vc/n2vc_juju_conn.py
index 5dc394c..f0569b1 100644 (file)
--- a/n2vc/n2vc_juju_conn.py
+++ b/n2vc/n2vc_juju_conn.py
@@ -1338,7 +1338,18 @@ class N2VCJujuConnector(N2VCConnector):
         elif charm_level == "vdu-level":
             if len(vca_records) < 1:
                 raise N2VCException(message="One or more VCA record is expected.")
-            vdu_profile_id = vnfrs["vdur"][int(vdu_count)]["vdu-id-ref"]
+
+            # Charms are also used for deployments with Helm charts.
+            # If deployment unit is a Helm chart/KDU,
+            # vdu_profile_id and vdu_count will be empty string.
+            vdu_profile_id = ""
+
+            if vdu_count is None:
+                vdu_count = ""
+
+            elif vdu_count:
+                vdu_profile_id = vnfrs["vdur"][int(vdu_count)]["vdu-id-ref"]
+
             # If vnf/vdu is scaled, more than one VCA record may be included in vca_records
             # but ee_descriptor_id is same.
             # Shorten the ee_descriptor_id, member-vnf-index-ref and vdu_profile_id

diff --git a/n2vc/tests/unit/test_n2vc_juju_conn.py b/n2vc/tests/unit/test_n2vc_juju_conn.py
index ebf36d5..8720d96 100644 (file)
--- a/n2vc/tests/unit/test_n2vc_juju_conn.py
+++ b/n2vc/tests/unit/test_n2vc_juju_conn.py
@@ -1058,6 +1058,54 @@ class GenerateApplicationNameTest(N2VCJujuConnTestCase):
             )
             self.db.get_one.assert_called_once()
 
+    def test_get_application_name_kdu_charm(self):
+        namespace = ".82b11965-e580-47c0-9ee0-329f318a305b.1b6a4eb3-4fbf-415e-985c-4aeb3161eec0-0.ldap"
+        self.db.get_one.return_value = {
+            "_admin": {
+                "deployed": {
+                    "VCA": [
+                        {
+                            "target_element": "vnf/openldap/kdu/ldap",
+                            "member-vnf-index": "openldap",
+                            "vdu_id": None,
+                            "kdu_name": "ldap",
+                            "vdu_count_index": 0,
+                            "operational-status": "init",
+                            "detailed-status": "",
+                            "step": "initial-deploy",
+                            "vnfd_id": "openldap_knf",
+                            "vdu_name": None,
+                            "type": "lxc_proxy_charm",
+                            "ee_descriptor_id": "openldap-ee",
+                            "charm_name": "",
+                            "ee_id": "",
+                            "application": "openldap-ee-z0-openldap-vdu",
+                            "model": "82b11965-e580-47c0-9ee0-329f318a305b",
+                            "config_sw_installed": True,
+                        },
+                    ]
+                }
+            }
+        }
+        mock_vnf_count_and_record = MagicMock()
+        db_vnfr = {
+            "member-vnf-index-ref": "openldap",
+            "vdur": {},
+        }
+        vnf_count = "0"
+        mock_vnf_count_and_record.return_value = (vnf_count, db_vnfr)
+        expected_result = "openldap-ee-z0-openldap-vdu"
+        with patch.object(self.n2vc, "db", self.db), patch.object(
+            self.n2vc, "_get_vnf_count_and_record", mock_vnf_count_and_record
+        ):
+            application_name = self.n2vc._get_application_name(namespace)
+            self.assertEqual(application_name, expected_result)
+            self.assertLess(len(application_name), 50)
+            mock_vnf_count_and_record.assert_called_once_with(
+                "vdu-level", "1b6a4eb3-4fbf-415e-985c-4aeb3161eec0-0"
+            )
+            self.db.get_one.assert_called_once()
+
     @patch(
         "n2vc.n2vc_juju_conn.generate_random_alfanum_string",
         **{"return_value": "random"}