91 lines
2.4 KiB
Python
Executable File
91 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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'''Validate a YAML file against the standard blueprint metadata schema[1]
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[1] https://github.com/GoogleCloudPlatform/cloud-foundation-toolkit/blob/master/cli/bpmetadata/schema/bpmetadataschema.json
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'''
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import enum
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import json
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import sys
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from dataclasses import dataclass
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from pathlib import Path
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import click
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import jsonschema
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import yaml
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SCHEMA_PATH = Path(__file__).parent / 'bpmetadataschema.json'
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class State(enum.Enum):
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INVALID: int = 0
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OK: int = 1
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@dataclass
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class ValidationResult:
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state: State
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errors: dict[str, str]
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def _validate(path: Path, validator) -> ValidationResult:
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with open(path) as f:
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metadata = yaml.safe_load(f)
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errors = {
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error.json_path: error.message
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for error in validator.iter_errors(metadata)
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}
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state = State.OK if not errors else State.INVALID
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return ValidationResult(state=state, errors=errors)
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@click.command()
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@click.argument('dirs', type=click.Path(exists=True, file_okay=False), nargs=-1)
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@click.option('-v', '--verbose', is_flag=True, default=False,
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help='Print additional validation details.')
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def main(dirs: list[str], verbose: bool) -> int:
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instances = set()
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for dir_name in dirs:
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instances |= set(Path(dir_name).glob("**/metadata.yaml"))
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with open(SCHEMA_PATH) as f:
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schema = json.load(f)
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validator = jsonschema.validators.Draft202012Validator(schema)
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failed_files = {}
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for instance in instances:
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result = _validate(instance, validator)
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if result.state == State.OK:
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print(f'[✓] {instance}')
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else:
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print(f'[✗] {instance}')
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failed_files[instance] = result.errors
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if verbose:
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for file_path, errors in failed_files.items():
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print(f"\n====== {file_path!s} ======")
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for path, message in errors.items():
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print(f"{path}: {message}")
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return 0 if not failed_files else 1
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if __name__ == '__main__':
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sys.exit(main())
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