Files
config_builder/Config_builder.py
2025-03-28 16:09:22 -04:00

92 lines
2.8 KiB
Python

from jinja2 import Environment, FileSystemLoader
import pprint
import os
import json
from yaml import safe_load
try:
from yaml import CLoader as Loader
except ImportError:
from yaml import Loader
def main(template_filepath,input_filepath,output_filepath):
with open(input_filepath, 'r') as file:
input_devices = file.read()
device_info = dict()
if os.path.splitext(input_filepath)[1] == ".json":
device_info = json.loads(input_devices)
# elif os.path.splitext(input_filepath) == ".yaml":
# devices = safe_load(input_devices)
else:
print(os.path.splitext(input_filepath))
print('{} is not a valid JSON format!\n'.format(input_filepath))
return 406
template_path = os.path.dirname(os.path.abspath(template_filepath))
template_filename = os.path.basename(template_filepath)
env = Environment(loader=FileSystemLoader(template_path))
template = env.get_template(template_filename)
#Path("./output").mkdir(parents=True, exist_ok=True)
### Specify output file - current write to script working directory
#filename = "./output/bdr_output.config"
### open output file mode="w" for create/truncate
#output = open(filename, mode="w", encoding="utf-8")
output = open(output_filepath, mode="w", encoding="utf-8")
content = template.render(device_info)
output.write('{}\n'.format(content))
# for host, keys in devices.items():
# device = "{"
# for key, value in keys.items():
# device += "'{}':'{}', ".format(key,value)
# device += "'Hostname':'{}' }}".format(host)
# #pprint.pprint(device)
# device_dict = eval(device)
# #pprint.pprint(device_dict)
# content = template.render( device_dict )
# print('{}\n'.format(content))
# output.write('{}\n'.format(content))
return 0
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description='Arguments for '
'Config_builder.py')
parser.add_argument('-template',
help='Template config with JINJA markup',
required=True
)
parser.add_argument('-input',
help='Input file with devices and config variables',
required=True
)
parser.add_argument('-output',
help='Output File',
required=True
)
custom_args = parser.parse_known_args()[0]
template = custom_args.template
input = custom_args.input
output = custom_args.output
main(template,input,output)