45 lines
2 KiB
Python
45 lines
2 KiB
Python
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#!/usr/bin/env python3
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"""Translate S3-owned state classifications without redefining their meaning."""
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import argparse
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import json
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import sys
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import uuid
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from pathlib import Path
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from receiver import read_json, instant, STATES
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def translate(report, contract):
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if (set(report) != {'schema', 'cluster_uid', 'evaluated_at', 'signals', 'transport',
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'guarantees', 'threshold_status', 'healthy'}
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or report['schema'] != 'railiance-platform.assurance-signal.v1'
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or report['cluster_uid'] != 'a553c742-0115-43d4-99a4-a5ca56fe0786'
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or report['transport'] != 'unmonitored'
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or report['guarantees'] != 'unsupported'
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or report['threshold_status'] != 'local-diagnostic-only'
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or set(report['signals']) != set(contract['signals'])):
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raise ValueError('unexpected platform report')
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instant(report['evaluated_at'])
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states = {}
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for name, value in report['signals'].items():
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if (set(value) != {'state', 'owner'} or value['state'] not in STATES
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or value['owner'] not in ('railiance-platform', 'rapp-postgres')):
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raise ValueError('unexpected signal')
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states[name] = value['state']
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if type(report['healthy']) is not bool or report['healthy'] != all(s == 'healthy' for s in states.values()):
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raise ValueError('inconsistent summary')
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return dict(schema='railiance-telemetry.signal.v1', id=str(uuid.uuid4()),
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stream=contract['stream'], producer=contract['producer'],
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observed_at=report['evaluated_at'], states=states)
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if __name__ == '__main__':
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p = argparse.ArgumentParser(description=__doc__)
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p.add_argument('--contract', required=True, type=Path)
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p.add_argument('report', type=Path)
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a = p.parse_args()
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try:
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print(json.dumps(translate(read_json(a.report), read_json(a.contract))))
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except (OSError, ValueError, KeyError, TypeError, AttributeError):
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print(json.dumps({'status': 'rejected', 'error': 'invalid-platform-report'}))
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sys.exit(2)
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