197 lines
8.2 KiB
Python
197 lines
8.2 KiB
Python
import hashlib
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import importlib.machinery
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import importlib.util
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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 tarfile
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import tempfile
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import unittest
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from unittest import mock
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SCRIPT_DIR = Path(__file__).resolve().parent
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RUNNER_PATH = SCRIPT_DIR / "nodedc-deploy"
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BUILDER_PATH = SCRIPT_DIR / "build-engine-provider-rotating-slot-artifact.mjs"
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ENGINE_ROOT = SCRIPT_DIR.parent.parent.parent / "NODEDC_ENGINE_INFRA"
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PATCH_ID = "engine-provider-rotating-slot-20991231-999"
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AUTHORITY_SUCCESSOR_SHA256 = "1a14299167ebe17efd677fa3c59b84c80e12d6846bac6f40f9bcae0729ab22c6"
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def load_runner():
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loader = importlib.machinery.SourceFileLoader(
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"nodedc_engine_provider_rotating_slot",
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str(RUNNER_PATH),
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)
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spec = importlib.util.spec_from_loader(loader.name, loader)
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module = importlib.util.module_from_spec(spec)
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loader.exec_module(module)
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return module
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RUNNER = load_runner()
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class EngineProviderRotatingSlotTest(unittest.TestCase):
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def source_has_advanced(self):
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current_sha256 = {
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relative_path: hashlib.sha256((ENGINE_ROOT / relative_path).read_bytes()).hexdigest()
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for relative_path in RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_ARTIFACT_ENTRIES
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}
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return current_sha256 != RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_TARGET_SHA256
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def build(self, artifact_dir):
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environment = os.environ.copy()
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environment["NODEDC_ENGINE_SOURCE_ROOT"] = str(ENGINE_ROOT)
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environment["NODEDC_DEPLOY_ARTIFACT_DIR"] = str(artifact_dir)
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completed = subprocess.run(
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["node", str(BUILDER_PATH), PATCH_ID],
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check=True,
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capture_output=True,
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text=True,
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env=environment,
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)
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return json.loads(completed.stdout)
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def test_builder_emits_exact_deterministic_two_file_slice(self):
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if self.source_has_advanced():
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self.skipTest("historical rotating-slot builder source has advanced to its exact successor")
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with tempfile.TemporaryDirectory(prefix="nodedc-provider-rotating-slot-") as directory:
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root = Path(directory)
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first = self.build(root / "first")
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second = self.build(root / "second")
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first_artifact = Path(first["artifact"])
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second_artifact = Path(second["artifact"])
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self.assertEqual(first_artifact.read_bytes(), second_artifact.read_bytes())
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self.assertEqual(
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first["sha256"],
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hashlib.sha256(first_artifact.read_bytes()).hexdigest(),
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)
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self.assertEqual(first["services"], ["nodedc-backend"])
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self.assertEqual(first["credentialSlot"], "ndcProviderRotatingAccessApi")
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self.assertEqual(
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tuple(first["entries"]),
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RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_ARTIFACT_ENTRIES,
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)
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extract = root / "extract"
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with tarfile.open(first_artifact, "r:gz") as archive:
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archive.extractall(extract, filter="data")
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entries = tuple(
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(extract / "files.txt").read_text(encoding="utf-8").splitlines()
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)
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payload = extract / "payload"
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self.assertTrue(RUNNER.is_engine_provider_rotating_slot_slice("engine", entries))
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self.assertEqual(RUNNER.component_services("engine", entries), ("nodedc-backend",))
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self.assertEqual(
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RUNNER.component_healthchecks("engine", entries, ("nodedc-backend",)),
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("http://127.0.0.1:3001/health",),
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)
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RUNNER.validate_engine_provider_rotating_slot_slice(payload, entries)
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def test_preflight_is_exact_and_rejects_any_drift(self):
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with tempfile.TemporaryDirectory(prefix="nodedc-provider-rotating-preflight-") as directory:
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root = Path(directory)
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for relative_path in RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_ARTIFACT_ENTRIES:
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path = root / relative_path
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text("predecessor\n", encoding="utf-8")
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def exact_sha(path):
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relative_path = Path(path).relative_to(root).as_posix()
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return RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_PREDECESSOR_SHA256[relative_path]
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with (
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mock.patch.object(RUNNER, "component_root", return_value=root),
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mock.patch.object(RUNNER, "sha256_file", side_effect=exact_sha),
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mock.patch.object(
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RUNNER,
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"preflight_engine_credential_backend_runtime",
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return_value={"mode": "verified-derived-retry"},
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),
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):
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result = RUNNER.preflight_engine_provider_rotating_slot_predecessor()
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self.assertEqual(result["mode"], "exact-gelios-v4-credential-slot-alignment")
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self.assertEqual(
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result["predecessor_sha256"],
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RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_PREDECESSOR_SHA256,
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)
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drift_path = root / RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_ARTIFACT_ENTRIES[0]
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def drift_sha(path):
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if Path(path) == drift_path:
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return "0" * 64
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return exact_sha(path)
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with (
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mock.patch.object(RUNNER, "component_root", return_value=root),
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mock.patch.object(RUNNER, "sha256_file", side_effect=drift_sha),
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):
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with self.assertRaises(RUNNER.DeployError):
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RUNNER.preflight_engine_provider_rotating_slot_predecessor()
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def test_healthchecks_dispatch_exact_rotating_slot_acceptance(self):
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entries = RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_ARTIFACT_ENTRIES
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root = Path("/engine")
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def installed_sha(path):
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relative_path = Path(path).relative_to(root).as_posix()
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return RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_TARGET_SHA256[relative_path]
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with (
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mock.patch.object(RUNNER, "component_root", return_value=root),
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mock.patch.object(RUNNER, "sha256_file", side_effect=installed_sha),
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mock.patch.object(RUNNER, "healthcheck_compose_service"),
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mock.patch.object(RUNNER, "component_healthchecks", return_value=()),
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mock.patch.object(
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RUNNER,
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"preflight_engine_credential_backend_runtime",
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return_value={"mode": "verified-derived-retry"},
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),
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mock.patch.object(
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RUNNER,
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"accept_engine_provider_rotating_slot_runtime",
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return_value={"live": "accepted"},
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) as rotating_acceptance,
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mock.patch.object(RUNNER, "accept_engine_composite_provider_runtime") as composite_acceptance,
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mock.patch.object(RUNNER, "healthcheck_container"),
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):
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RUNNER.run_healthchecks("engine", entries, ("nodedc-backend",))
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rotating_acceptance.assert_called_once_with()
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composite_acceptance.assert_not_called()
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def test_live_acceptance_uses_the_rotating_slot_target_contract(self):
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if self.source_has_advanced():
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self.skipTest("historical rotating-slot live fixture source has advanced to its exact successor")
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expected_live = (
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"engine-provider-rotating-slot:gelios.provider.v4:"
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"ndcProviderRotatingAccessApi:fleet.positions.current.v3:monitoring,units"
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)
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with (
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mock.patch.object(RUNNER, "component_root", return_value=ENGINE_ROOT),
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mock.patch.object(RUNNER, "engine_backend_container_id", return_value="backend"),
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mock.patch.object(
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RUNNER,
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"run_engine_backend_probe",
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return_value=expected_live,
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) as backend_probe,
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):
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result = RUNNER.accept_engine_provider_rotating_slot_runtime()
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self.assertEqual(result["live"], expected_live)
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self.assertEqual(
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result["target_sha256"],
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RUNNER.ENGINE_PROVIDER_ROTATING_SLOT_TARGET_SHA256,
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)
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self.assertEqual(
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backend_probe.call_args.args[1],
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"Engine provider rotating slot authority",
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)
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if __name__ == "__main__":
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unittest.main(verbosity=2)
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