Create a script to generate a Topology

- add tapi common context generation

IssueID: OAM-249
Change-Id: I3653d04a74b4b29ab30de53ff8386fc0862980ef
Signed-off-by: demx8as6 <martin.skorupski@highstreet-technologies.com>

diff --git a/code/network-topology-instance-generator/model/python/tapi_common_context.py b/code/network-topology-instance-generator/model/python/tapi_common_context.py
new file mode 100644 (file)
index 0000000..7c96391
--- /dev/null
+++ b/code/network-topology-instance-generator/model/python/tapi_common_context.py
@@ -0,0 +1,127 @@
+#!/usr/bin/python
+
+# 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 for a class representing a TAPI Common Context
+"""
+from typing import Dict, Union
+import uuid
+from xml.dom.minidom import Element
+from lxml import etree
+from model.python.tapi_topology_context import TapiTopologyContext
+from model.python.top import Top
+
+
+class TapiCommonContext(Top):
+    """
+    Class representing a TAPI Common Context object.
+    """
+
+    __configuration: dict = {}
+    __context: TapiTopologyContext = None
+    __data: dict = {
+        "tapi-common:context": {
+            "uuid": str(uuid.uuid4()),
+            "name": [{"value-name": "context-name",
+                      "value": "Generated Topology"}]}}
+
+    # constructor
+    def __init__(self, configuration: Dict[str, Union[str, Dict[str, int]]]):
+        super().__init__(configuration)
+        self.__configuration = configuration
+        self.__context = TapiTopologyContext(configuration)
+
+    # getter
+    def configuration(self) -> Dict[str, Dict]:
+        """
+        Getter for a json object representing the TAPI Common Context.
+        :return TAPI Common Context as json object.
+        """
+        return self.__configuration
+
+    def data(self) -> Dict:
+        """
+        Getter for a json object representing the TAPI Common Context.
+        :return TAPI Common Context as json object.
+        """
+        return self.__data
+
+    def json(self) -> Dict:
+        """
+        Getter for a json object representing the TAPI Topology Context.
+        :return TAPI Common Context as json object.
+        """
+        result = self.data().copy()
+        if self.__context is not None:
+            result["tapi-common:context"].update(self.__context.json())
+        return result
+
+    def identifier(self) -> str:
+        """
+        Getter returning the TAPI common context identifier.
+        :return Object identifier as string
+        """
+        return self.__data["tapi-common:context"]["uuid"]
+
+    def name(self) -> str:
+        """
+        Getter for object name.
+        :return Human readable string as name.
+        """
+        return self.data()["tapi-common:context"]["name"][0]["value"]
+
+    def __svg_width(self) -> int:
+        p = self.configuration()['network']['pattern']
+        return (p['smo'] * p['near-rt-ric'] * p['o-cu'] * p['o-du'] * p['fronthaul-gateway'] * p['o-ru'] * p['user-equipment'] + 1) * 2*2*self.FONTSIZE
+
+    def __svg_height(self) -> int:
+        return (8 * 11 + 6) * self.FONTSIZE
+
+    def svg(self, x, y) -> etree.Element:
+        """
+        Getter for a xml/svg Element object representing the TAPI Topology Context.
+        :return TAPI Common Context as SVG object.
+        """
+        root: Element = etree.Element(
+            "svg",
+            width=str(self.__svg_width()),
+            height=str(self.__svg_height()),
+            viewBox=" ".join([
+                str(-3*self.FONTSIZE),
+                str(-3*self.FONTSIZE),
+                str(self.__svg_width()),
+                str(self.__svg_height())]
+            ),
+            xmlns="http://www.w3.org/2000/svg"
+        )
+        desc=etree.Element("desc")
+        desc.text="\n context: " + self.identifier() + "\n name: " + self.name()
+        root.append(desc)
+
+        title=etree.Element("title")
+        title.text=self.configuration()["network"]["name"]
+        root.append(title)
+
+        root.append(self.__context.svg(x, y))
+        return root
+
+    def topology_context(self) -> TapiTopologyContext:
+        """
+        Getter for next level object (TapiTopologyContext).
+        :return TAPI Topology Context
+        """
+        return self.__context