Bolierplate to render an output file from a YAML (Vars) + Jinja (Template)
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#!/usr/bin/env python3 | |
import yaml | |
from jinja2 import Environment, FileSystemLoader, PackageLoader, StrictUndefined | |
# Docs: https://jinja.palletsprojects.com/en/2.11.x/api/#basics | |
# Functions | |
def render_yaml_template(yaml_file, jinja_template, output="files/sshd_config"): | |
""" | |
This takes a yam file with all yor vars, a Jinja template and renders an output file | |
Args: | |
yaml_file (str): YAML containing the variables neccessary to render the output | |
jinja_template (str): Jinja template used to render the output | |
output (str): | |
Returns: | |
None | |
""" | |
with open(yaml_file, "r") as file: | |
try: | |
data = yaml.safe_load(file) | |
except yaml.YAMLError as err: | |
print(err) | |
# print(data) | |
env = Environment( | |
loader=FileSystemLoader(searchpath="./templates"), | |
trim_blocks=True, | |
lstrip_blocks=True, | |
undefined=StrictUndefined, | |
) | |
try: | |
template = env.get_template(name=jinja_template) | |
out_data = template.render(data) | |
# print(out_data) | |
with open(output, "w") as file: | |
file.write(out_data) | |
except Exception as err: | |
print(err) | |
def main(): | |
render_yaml_template(yaml_file="config.yaml", jinja_template="sshd_config.j2") | |
if __name__ == "__main__": | |
main() |
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