69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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"""
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Software Name : AWSTerraformStarterKit
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SPDX-FileCopyrightText: Copyright (c) 2023 Orange Business
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SPDX-License-Identifier: BSD-3-Clause
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This software is distributed under the BSD License;
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see the LICENSE file for more details.
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Author: AWS Practice Team <awspractice.core@orange.com>
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"""
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import os
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import sys
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import jinja2
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import yaml
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class Render:
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TEMPLATES_DIR = os.environ.get('TEMPLATES_DIR') if os.environ.get('TEMPLATES_DIR') is not None else "/templates"
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def __init__(self, template_name=None, variables_path=None):
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self.template_name = template_name
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self.variables_path = variables_path
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self.env = jinja2.Environment(
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loader=jinja2.FileSystemLoader(self.TEMPLATES_DIR),
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extensions=['jinja2.ext.loopcontrols'],
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autoescape=True,
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lstrip_blocks=True,
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newline_sequence="\n",
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trim_blocks=True,
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keep_trailing_newline=True
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)
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def yaml_filter(value):
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return yaml.dump(value, Dumper=yaml.RoundTripDumper, indent=4)
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def rend_template(self):
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with open(self.variables_path, closefd=True) as f:
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data = yaml.full_load(f)
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self.env.filters['yaml'] = self.yaml_filter
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self.env.globals["environ"] = lambda key: os.environ.get(key)
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try:
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rendered = self.env.get_template(self.template_name).render(data)
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except Exception as e:
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raise e
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return rendered
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def main():
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min_args = 3
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if len(sys.argv) < min_args:
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raise Exception(
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"Error: Expecting at least {} args. Got {}, args={}".format(min_args, len(sys.argv), sys.argv))
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sys.stdout.write(Render(sys.argv[1], sys.argv[2]).rend_template())
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if __name__ == '__main__':
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main()
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