Create a script to generate a Topology

- add tapi node generation for Fronthaul Gateway

Issue-ID: OAM-249
Change-Id: Ic3f3b5997bd0871b945446e6ec5c7cea075e37af
Signed-off-by: demx8as6 <martin.skorupski@highstreet-technologies.com>

diff --git a/code/network-topology-instance-generator/model/python/tapi_node_fronthaul_gateway.py b/code/network-topology-instance-generator/model/python/tapi_node_fronthaul_gateway.py
new file mode 100644 (file)
index 0000000..ca2e4a6
--- /dev/null
+++ b/code/network-topology-instance-generator/model/python/tapi_node_fronthaul_gateway.py
@@ -0,0 +1,63 @@
+# Copyright 2022 highstreet technologies GmbH
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#!/usr/bin/python
+"""
+Module containing a class representing an O-RAN Radio Unit as TAPI Node.
+"""
+from model.python.tapi_node import TapiNode
+from model.python.tapi_node_edge_point import TapiNodeEdgePoint
+
+
+class TapiNodeFronthaulGateway(TapiNode):
+    """
+    Class representing a O-RAN Fronthaul Gateway as TAPI Node.
+    """
+
+    # constructor
+    def __init__(self, parent, configuration):
+        super().__init__(parent, configuration)
+
+        count = max(2, configuration["node"]["southbound-nep-count"])
+        super().width((count + 1) * (2*self.FONTSIZE))
+
+        # add Ethernet Northbound provider
+        nep_configuration = {
+            "parent": self.identifier(),
+            "nodeEdgePoint": {
+                "interface": "eth", "cep": [{"protocol": "ofh", "role": "provider"}]
+            }
+        }
+        self.add(TapiNodeEdgePoint(nep_configuration))
+
+        # add OAM provider
+        nep_configuration = {
+            "parent": self.identifier(),
+            "nodeEdgePoint": {
+                "interface": "oam", "cep": [{"protocol": "netconf", "role": "provider"}]
+            }
+        }
+        self.add(TapiNodeEdgePoint(nep_configuration))
+
+        # add Ethernet Southbound consumer
+        for nep_index in range(configuration["node"]["southbound-nep-count"]):
+            nep_configuration = {
+                "parent": self.identifier(),
+                "nodeEdgePoint": {
+                    "local-id": nep_index,
+                    "interface": "eth",
+                    "cep": [{"protocol": "ofh", "role": "consumer"}]
+                }
+            }
+            self.add(TapiNodeEdgePoint(nep_configuration))