73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
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"""Full virtualized end-to-end test: build -> boot in QEMU -> unlock over Tor.
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Models the whole process the way lim runs it, on a QEMU-bootable virtio
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machine (the Raspberry Pi's USB-gadget net can't be emulated, so we model
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the software stack, not the board):
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1. build a LUKS image carrying the REAL lim initcpio tor artifacts,
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2. boot it in QEMU (rootless, user-mode net),
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3. its initramfs runs the real netconf/tor/dropbear/encryptssh chain and
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publishes the onion service,
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4. deliver the LUKS passphrase by SSHing to that onion through Tor,
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5. assert the boot-ok marker appears on the serial console — i.e. the real
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root actually unlocked and booted.
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Heavy and privileged (QEMU + a tor network; the build needs root, ideally in
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a throwaway VM). Opt-in and skipped unless LIM_E2E_QEMU=1:
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LIM_E2E_QEMU=1 pytest tests/e2e/test_qemu_unlock_e2e.py -v -s
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Environment knobs: LIM_E2E_ARCH (x86_64|aarch64), CHUTNEY_PATH (use a private
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chutney network instead of the public one). See tests/e2e/qemu/README.md.
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"""
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import os
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import shutil
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from pathlib import Path
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import pytest
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from tests.e2e.qemu import config as qemu_config
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from tests.e2e.qemu.harness import HarnessConfig, run
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REPO_ROOT = Path(__file__).resolve().parents[2]
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# The QEMU binary is arch-specific, so derive it from LIM_E2E_ARCH instead of
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# hardcoding x86_64 — otherwise the documented aarch64 run is never reachable.
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_ARCH = os.environ.get("LIM_E2E_ARCH", "x86_64")
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_REQUIRED = (
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qemu_config.qemu_binary(_ARCH),
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"cryptsetup", "pacstrap", "tor", "ssh", "ncat",
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)
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def _missing_tools() -> list[str]:
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return [tool for tool in _REQUIRED if shutil.which(tool) is None]
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pytestmark = pytest.mark.skipif(
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os.environ.get("LIM_E2E_QEMU") != "1" or bool(_missing_tools()),
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reason=(
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"needs LIM_E2E_QEMU=1 and "
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+ ", ".join(_REQUIRED)
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+ " (build stage needs root; slow)."
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),
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)
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def test_full_build_boot_and_tor_unlock(tmp_path):
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chutney_path = os.environ.get("CHUTNEY_PATH")
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cfg = HarnessConfig(
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repo_root=REPO_ROOT,
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work_dir=tmp_path / "qemu-e2e",
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arch=_ARCH,
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chutney_path=Path(chutney_path) if chutney_path else None,
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)
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spec = run(cfg)
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# run() only returns after the marker was observed; re-assert for clarity.
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assert spec.onion_address.endswith(".onion")
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serial = spec.serial_log.read_text(errors="replace")
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assert qemu_config.BOOT_OK_MARKER in serial
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