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from __future__ import annotations
import argparse
import hashlib
import json
import os
import platform
import pwd
import subprocess
import sys
import time
from datetime import UTC, datetime
from pathlib import Path
from typing import Any
ROOT = Path(__file__).resolve().parents[1]
CLI = Path("/usr/local/bin/eggcracker")
POLICY = Path("/etc/lumi-eggcracker/policy.json")
def run(argv: list[str], *, timeout: int = 900) -> None:
result = subprocess.run(argv, capture_output=True, text=True, check=False, timeout=timeout)
if result.returncode:
raise RuntimeError(
result.stderr.strip() or result.stdout.strip() or "qualification command failed"
)
def digest(path: Path) -> str:
value = hashlib.sha256()
with path.open("rb") as handle:
for block in iter(lambda: handle.read(64 * 1024), b""):
value.update(block)
return value.hexdigest()
def new_directory(path: Path) -> Path:
if not path.is_absolute() or path.exists() or path.is_symlink() or not path.parent.is_dir():
raise RuntimeError(
"evidence directory must be a new absolute child of an existing directory"
)
path.mkdir(mode=0o700)
return path
def doctor(operator: str, *, timeout: float = 30) -> dict[str, Any]:
"""Wait through a bounded post-restart scan and require a real PASS."""
deadline = time.monotonic() + timeout
latest = "Eggcracker doctor did not pass"
while time.monotonic() < deadline:
result = subprocess.run(
["/usr/sbin/runuser", "-u", operator, "--", str(CLI), "doctor"],
capture_output=True,
text=True,
check=False,
timeout=3,
)
latest = result.stderr.strip() or result.stdout.strip() or latest
if result.returncode == 0:
try:
value = json.loads(result.stdout)
except json.JSONDecodeError:
value = None
if isinstance(value, dict) and value.get("result") == "PASS":
return value
time.sleep(0.05)
raise RuntimeError(latest)
def main() -> int:
parser = argparse.ArgumentParser(
description="Run Eggcracker's complete local qualification against an installed instance."
)
parser.add_argument("--operator", required=True)
parser.add_argument("--assets-manifest", required=True, type=Path)
parser.add_argument("--safetensors-assets-manifest", required=True, type=Path)
parser.add_argument("--evidence-dir", required=True, type=Path)
args = parser.parse_args()
if not hasattr(os, "geteuid") or os.geteuid() != 0:
raise SystemExit("self-validation must run as root")
evidence: Path | None = None
summary: dict[str, Any] = {
"result": "FAIL",
"schema_version": "lumi-eggcracker.self-validation.v1",
}
try:
evidence = new_directory(args.evidence_dir)
if not CLI.is_file() or not POLICY.is_file() or POLICY.is_symlink():
raise RuntimeError("Eggcracker is not installed")
policy = json.loads(POLICY.read_text(encoding="utf-8"))
if policy.get("operator_uid") is None or policy.get("source_commit") is None:
raise RuntimeError("installed policy is invalid")
workload = pwd.getpwuid(int(policy["workload_uid"])).pw_name
if workload == args.operator:
raise RuntimeError("installed workload identity must differ from operator")
checked = doctor(args.operator)
environment = {
"catalogue": checked["catalogue"],
"platform": platform.platform(),
"python": sys.version.split()[0],
"source_commit": policy["source_commit"],
"validated_utc": datetime.now(UTC).isoformat().replace("+00:00", "Z"),
"version": checked["version"],
}
(evidence / "environment.json").write_text(
json.dumps(environment, sort_keys=True) + "\n", encoding="utf-8"
)
(evidence / "doctor.json").write_text(
json.dumps(checked, sort_keys=True) + "\n", encoding="utf-8"
)
jobs = (
(
"real-ai-smoke.json",
[
"smoke_content_ai.py",
"--assets-manifest",
str(args.assets_manifest),
"--user",
workload,
"--repetitions",
"5",
],
),
(
"safetensors-ai-smoke.json",
[
"smoke_safetensors_ai.py",
"--assets-manifest",
str(args.safetensors_assets_manifest),
"--user",
workload,
"--repetitions",
"5",
],
),
(
"safetensors-aten-negative.json",
[
"smoke_safetensors_aten_negative.py",
"--assets-manifest",
str(args.safetensors_assets_manifest),
"--user",
workload,
"--repetitions",
"5",
],
),
(
"content-matrix.json",
[
"run_content_matrix.py",
"--assets-manifest",
str(args.assets_manifest),
"--user",
workload,
"--repetitions",
"100",
],
),
(
"benign-model-matrix.json",
[
"run_content_benign_matrix.py",
"--assets-manifest",
str(args.assets_manifest),
"--user",
workload,
"--repetitions",
"300",
],
),
(
"content-adversarial-matrix.json",
[
"run_content_adversarial_matrix.py",
"--assets-manifest",
str(args.assets_manifest),
"--user",
workload,
"--tree-repetitions",
"100",
"--startup-repetitions",
"20",
"--restart-repetitions",
"20",
],
),
(
"autonomous-regression.json",
[
"run_autonomous_matrix.py",
"--assets-manifest",
str(args.assets_manifest),
"--discoveries",
"100",
"--approved",
"50",
"--benign",
"200",
],
),
(
"selected-workload-regression.json",
[
"run_native_matrix.py",
"--fork-race-repetitions",
"100",
"--benign-repetitions",
"50",
"--restart-repetitions",
"20",
"--socket-attempts",
"100",
],
),
(
"overhead-benchmark.json",
[
"benchmark_overhead.py",
"--policy",
str(POLICY),
],
),
)
for filename, arguments in jobs:
doctor(args.operator)
run(
[
sys.executable,
str(ROOT / "scripts" / arguments[0]),
*arguments[1:],
"--output",
str(evidence / filename),
]
)
summary.update(
{
"result": "PASS",
"source_commit": policy["source_commit"],
"version": checked["version"],
}
)
(evidence / "validation.json").write_text(
json.dumps(summary, sort_keys=True) + "\n", encoding="utf-8"
)
report = "# Lumi Eggcracker local validation\n\nPASS: the packaged deterministic, recognition, containment, boundary, recovery and overhead qualification jobs completed on the installed instance.\n"
(evidence / "report.md").write_text(report, encoding="utf-8")
sums = "".join(
f"{digest(path)} {path.name}\n"
for path in sorted(evidence.iterdir())
if path.name != "SHA256SUMS"
)
(evidence / "SHA256SUMS").write_text(sums, encoding="utf-8")
print(json.dumps({"evidence_dir": str(evidence), **summary}, sort_keys=True))
return 0
except (
OSError,
RuntimeError,
TypeError,
ValueError,
json.JSONDecodeError,
subprocess.SubprocessError,
) as error:
summary["error"] = str(error)
if evidence is not None:
(evidence / "validation.json").write_text(
json.dumps(summary, sort_keys=True) + "\n", encoding="utf-8"
)
raise SystemExit(f"self-validation failed: {error}") from error
if __name__ == "__main__":
raise SystemExit(main())
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