86 lines
2.6 KiB
Python
Executable File
86 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2022 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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""" Entry-point to validate autoinstall-user-data against schema.
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By default, we are expecting the autoinstall user-data to be wrapped in a cloud
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config format:
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#cloud-config
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autoinstall:
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<user data comes here>
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To validate the user-data directly, you can pass the --no-expect-cloudconfig
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switch.
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"""
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import argparse
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import io
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import json
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import jsonschema
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import yaml
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def main() -> None:
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""" Entry point. """
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parser = argparse.ArgumentParser()
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parser.add_argument("--json-schema",
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help="Path to the JSON schema",
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type=argparse.FileType("r"),
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default="autoinstall-schema.json")
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parser.add_argument("input", nargs="?",
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help="Path to the user data instead of stdin",
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type=argparse.FileType("r"),
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default="-")
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parser.add_argument("--no-expect-cloudconfig", dest="expect-cloudconfig",
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action="store_false",
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help="Assume the data is not wrapped in cloud-config.",
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default=True)
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args = vars(parser.parse_args())
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user_data: io.TextIOWrapper = args["input"]
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if args["expect-cloudconfig"]:
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assert user_data.readline() == "#cloud-config\n"
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def get_autoinstall_data(data): return data["autoinstall"]
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else:
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def get_autoinstall_data(data): return data
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# Verify autoinstall doc link is in the file
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stream_pos: int = user_data.tell()
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data: str = user_data.read()
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link: str = "https://canonical-subiquity.readthedocs-hosted.com/en/latest/reference/autoinstall-reference.html" # noqa: E501
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assert link in data
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# Verify autoinstall schema
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user_data.seek(stream_pos)
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data = yaml.safe_load(user_data)
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jsonschema.validate(get_autoinstall_data(data),
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json.load(args["json_schema"]))
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if __name__ == "__main__":
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main()
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