74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""Check review cleanup scope without Docker or build output."""
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import json
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import os
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from pathlib import Path
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import subprocess
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import tempfile
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import unittest
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SCRIPT = Path(__file__).with_name('cleanup-review-images.sh')
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SHA = 'a' * 40
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FAKE_DOCKER = '''#!/usr/bin/env python3
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import json, os, sys
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args=sys.argv[1:]
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with open(os.environ['DOCKER_CALLS'], 'a') as output:
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output.write(json.dumps(args)+'\\n')
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if args[0]=='ps':
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if os.environ.get('FAIL_INVENTORY'): sys.exit(1)
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if os.environ.get('REFERENCED'): print('container-id')
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elif args[0]=='inspect':
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print('sha256:review-image')
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elif args[:2]==['image','inspect']:
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if os.environ.get('MISSING_IMAGE'): sys.exit(1)
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print('sha256:review-image')
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'''
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class ReviewCleanupTests(unittest.TestCase):
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def run_cleanup(self, sha=SHA, **extra):
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with tempfile.TemporaryDirectory() as directory:
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root = Path(directory)
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docker = root / 'docker'
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docker.write_text(FAKE_DOCKER)
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docker.chmod(0o700)
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calls = root / 'calls'
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result = subprocess.run(['bash', str(SCRIPT)], capture_output=True, env={
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**os.environ, 'PATH': directory + os.pathsep + os.environ['PATH'],
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'DOCKER_CALLS': str(calls), 'REVIEW_SHA': sha, **extra})
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return result.returncode, [json.loads(line) for line in calls.read_text().splitlines()] if calls.exists() else []
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def test_removes_only_exact_review_tags_without_force(self):
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code, calls = self.run_cleanup()
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self.assertEqual(code, 0)
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self.assertEqual([args for args in calls if args[:2] == ['image', 'rm']], [
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['image', 'rm', name + ':' + SHA] for name in
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['creative-studio-review', 'creative-wiki-tests', 'creative-wiki-review']])
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self.assertFalse(any('-f' in args or 'prune' in args or 'volume' in args for args in calls))
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def test_invalid_sha_never_contacts_docker(self):
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for value in ['', 'main', 'a' * 39, 'a' * 41, 'A' * 40, '*' * 40]:
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with self.subTest(value=value):
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code, calls = self.run_cleanup(value)
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self.assertNotEqual(code, 0)
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self.assertEqual(calls, [])
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def test_container_referenced_images_are_kept(self):
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code, calls = self.run_cleanup(REFERENCED='1')
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self.assertEqual(code, 0)
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self.assertFalse(any(args[:2] == ['image', 'rm'] for args in calls))
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def test_missing_tags_are_a_successful_noop(self):
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code, calls = self.run_cleanup(MISSING_IMAGE='1')
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self.assertEqual(code, 0)
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self.assertFalse(any(args[:2] == ['image', 'rm'] for args in calls))
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def test_inventory_failure_prevents_removal(self):
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code, calls = self.run_cleanup(FAIL_INVENTORY='1')
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self.assertNotEqual(code, 0)
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self.assertEqual(len(calls), 1)
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if __name__ == '__main__':
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unittest.main()
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