32 lines
968 B
Python
Executable File
32 lines
968 B
Python
Executable File
#!/usr/bin/env python3
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import os
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import argparse
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import json
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import yaml
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import jinja2
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# Load settings file
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with open("DockerSettings.yaml", 'r') as yaml_file:
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yaml_data = yaml.safe_load(yaml_file)
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settings_env = jinja2.Environment(
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loader=jinja2.FileSystemLoader(os.getcwd()),
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)
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settings_yaml = yaml.safe_load(settings_env.get_template("DockerSettings.yaml").render(yaml_data))
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args_parser = argparse.ArgumentParser()
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args_parser.add_argument('template_file', help='Jinja2 template file to render.')
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args_parser.add_argument('render_vars', help='JSON-encoded data to pass to the templating engine.')
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cli_args = args_parser.parse_args()
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# Merge the default config yaml with the json arguments given.
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render_vars = json.loads(cli_args.render_vars)
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settings_yaml.update(render_vars)
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environment = jinja2.Environment(
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loader=jinja2.FileSystemLoader(os.getcwd()),
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trim_blocks=True,
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)
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print(environment.get_template(cli_args.template_file).render(settings_yaml))
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