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# ============LICENSE_START=======================================================
# Copyright (C) 2021 Orange
# ================================================================================
# 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.
#
# ============LICENSE_END=========================================================
from typing import Dict, Union, List
import oyaml as yaml
import os
from jinja2 import Template
class VariablesDict:
env_variable = dict(os.environ)
class Config:
def __init__(self, filename: str = "service_config.yaml", env_dict=None, print_final_file=False):
if env_dict is None:
env_dict = {}
self.filepath = os.path.join(os.path.dirname(os.path.dirname(
os.path.realpath(__file__))), filename)
self.content_env: Dict = env_dict
self.service_instance: Union[None, Dict] = None
self.service_model: Union[None, Dict] = None
self.user_params: Union[None, Dict] = None
self.cloud_regions: Union[None, List] = None
self.so_input: Union[None, Dict] = None
self.render(print_final_file)
self.so_input = self.create_so_input()
def _load_file(self) -> dict:
with open(self.filepath) as file:
file_content = yaml.safe_load(file)
return file_content
@staticmethod
def templating(rend_dict: dict, render_keys: dict):
for k, v in rend_dict.items():
if isinstance(v, str):
t = Template(v)
rend_dict[k] = t.render(**render_keys).strip()
elif isinstance(v, dict):
Config.templating(rend_dict=v, render_keys=render_keys)
elif isinstance(v, list):
for i in v:
Config.templating(rend_dict=i, render_keys=render_keys)
else:
pass
return rend_dict
def render(self, print_final_file=False):
raw_file = self._load_file()
config_dict = self._render(templated_file=raw_file)
while not self._completed(templated_file=config_dict):
config_dict = self._render(templated_file=config_dict)
self.__dict__.update(**config_dict)
if print_final_file:
print(yaml.dump(config_dict, sort_keys=False))
def _render(self, templated_file: dict) -> dict:
config_dict = self.templating(
rend_dict=templated_file,
render_keys={**self.content_env, **templated_file})
return config_dict
def _completed(self, templated_file: dict) -> bool:
for v in templated_file.values():
if isinstance(v, str):
if "{{" in v and "}}" in v:
return False
elif isinstance(v, dict):
return self._completed(templated_file=v)
elif isinstance(v, list):
for i in v:
return self._completed(templated_file=i)
else:
pass
return True
def create_so_input(self, other_cluster=False) -> dict:
so_input_dict = dict()
so_input_dict["subscription_service_type"] = self.service_instance.get("model_name")
_vnfs = self.service_instance.get("vnfs")
vnfs = list()
for vnf in _vnfs:
_vnf_raw = dict()
# filter vnfs with cloud_region, code block not required with ONAP Jakrta+
if vnf.get("cloud_region") and vnf.get("tenant_name"):
if not other_cluster:
continue
_vnf_raw["cloud_region"] = vnf.get("cloud_region")
_vnf_raw["tenant_name"] = vnf.get("tenant_name")
else:
if other_cluster:
continue
# end of filter, end of code block
_vnf_raw["model_name"] = vnf.get("model_name")
if vnf.get("vnf_name_suffix"):
_vnf_raw["instance_name"] = "Instance_" + vnf.get("model_name") + "_" + vnf.get("vnf_name_suffix")
else:
_vnf_raw["instance_name"] = "Instance_" + vnf.get("model_name") + "_" + str(_vnfs.index(vnf))
if vnf.get("processing_priority"):
_vnf_raw["processing_priority"] = vnf.get("processing_priority")
_vnf_raw["parameters"] = vnf.get("parameters")
_vnf_raw["vf_modules"] = list()
_vf_modules = vnf.get("vf_modules")
for vf_module in _vf_modules:
_vf_module_raw = dict()
_vf_module_raw["model_name"] = vf_module.get("model_name")
if vf_module.get("vf_module_name_suffix"):
_vf_module_raw["instance_name"] = \
"Instance_" + vf_module.get("model_name") + "_" + vf_module.get("vf_module_name_suffix")
else:
_vf_module_raw["instance_name"] = \
"Instance_" + vf_module.get("model_name") + "_" + str(_vnfs.index(vnf)) + \
"_" + str(_vf_modules.index(vf_module))
if vf_module.get("processing_priority"):
_vf_module_raw["processing_priority"] = vf_module["processing_priority"]
_vf_module_raw["parameters"] = vf_module.get("parameters")
_vnf_raw["vf_modules"].append(_vf_module_raw)
vnfs.append(_vnf_raw)
so_input_dict["vnfs"] = vnfs
return so_input_dict
if __name__ == "__main__":
config = Config(env_dict=VariablesDict.env_variable, print_final_file=True)
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