3286e42783
Tracker /v1/network/assign now accepts an optional `hf_repo` query param to restrict assignment to a specific model, and returns `gap_found: bool` so callers know whether they received a real gap vs a redundancy slot. Node startup with --model-id (no explicit shard args) now queries the tracker first for an uncovered gap for that model before defaulting to full coverage (0..n-1). This means a second node with --model-id will serve only the missing layers, not the whole model again. Auto-join fallback (no --model-id) now prints why it fell through instead of silently switching to stub-model. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
607 lines
20 KiB
Python
607 lines
20 KiB
Python
"""US-004 integration tests: node self-configuring startup sequence."""
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import json
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import io
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import sys
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import types
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import urllib.request
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from pathlib import Path
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import pytest
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from meshnet_node.downloader import download_shard, write_shard_archive
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from meshnet_node.hardware import detect_hardware
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from meshnet_node.startup import _probationary_status_line, run_startup
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from meshnet_node.wallet import _b58encode, load_or_create_wallet
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from meshnet_contracts import LocalSolanaContracts
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from meshnet_tracker.server import TrackerServer
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# ---------------------------------------------------------------------------
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# Unit tests — hardware, wallet, downloader
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# ---------------------------------------------------------------------------
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def test_detect_hardware_returns_valid_profile():
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"""Hardware detection always returns a dict with required keys."""
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hw = detect_hardware()
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assert hw["device"] in {"cuda", "cpu"}
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assert isinstance(hw.get("vram_mb"), int)
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if hw["device"] == "cpu":
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assert hw["gpu_name"] is None
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assert hw["vram_mb"] == 0
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else:
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assert isinstance(hw["gpu_name"], str) and hw["gpu_name"]
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assert hw["vram_mb"] > 0
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def test_wallet_generates_new_keypair(tmp_path):
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"""A new wallet is created when none exists, saved to disk."""
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wallet_file = tmp_path / "wallet.json"
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assert not wallet_file.exists()
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secret, public, address = load_or_create_wallet(path=wallet_file)
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assert wallet_file.exists()
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assert wallet_file.stat().st_mode & 0o777 == 0o600
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assert len(secret) == 32
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assert len(public) == 32
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assert len(address) > 20 # base58-encoded 32 bytes is 43-44 chars typically
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# Solana addresses are base58 — no '0', 'O', 'I', 'l'
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for ch in "0OIl":
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assert ch not in address, f"Invalid base58 char {ch!r} in address {address!r}"
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def test_wallet_loads_existing_keypair(tmp_path):
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"""Loading the same wallet file twice returns identical keys and address."""
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wallet_file = tmp_path / "wallet.json"
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secret1, public1, address1 = load_or_create_wallet(path=wallet_file)
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secret2, public2, address2 = load_or_create_wallet(path=wallet_file)
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assert secret1 == secret2
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assert public1 == public2
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assert address1 == address2
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def test_wallet_load_repairs_insecure_permissions(tmp_path):
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"""Existing private key files are tightened to owner-only permissions."""
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wallet_file = tmp_path / "wallet.json"
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load_or_create_wallet(path=wallet_file)
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wallet_file.chmod(0o644)
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load_or_create_wallet(path=wallet_file)
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assert wallet_file.stat().st_mode & 0o777 == 0o600
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def test_base58_counts_only_leading_zero_bytes():
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"""Zero bytes inside the public key do not become extra base58 leading ones."""
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assert _b58encode(bytes([0, 1, 0])) == "15R"
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def test_download_shard_stub_creates_cache(tmp_path):
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"""Stub-model shard creates a local cache file without network access."""
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shard_dir = download_shard("stub-model", 0, 31, cache_dir=tmp_path)
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assert shard_dir.exists()
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weights = shard_dir / "weights.json"
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assert weights.exists()
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data = json.loads(weights.read_text())
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assert data["stub"] is True
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assert data["shard_start"] == 0
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assert data["shard_end"] == 31
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def test_download_shard_uses_huggingface_when_repo_is_assigned(tmp_path, monkeypatch):
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"""Non-stub shards use the HuggingFace snapshot_download path."""
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calls = []
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def fake_snapshot_download(repo_id, cache_dir, local_dir):
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calls.append({"repo_id": repo_id, "cache_dir": cache_dir, "local_dir": local_dir})
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Path(local_dir).mkdir(parents=True, exist_ok=True)
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return local_dir
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monkeypatch.setitem(
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sys.modules,
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"huggingface_hub",
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types.SimpleNamespace(snapshot_download=fake_snapshot_download),
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)
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shard_dir = download_shard(
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"tiny-llama",
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0,
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3,
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cache_dir=tmp_path,
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hf_repo="org/tiny-llama-shards",
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progress=False,
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)
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assert shard_dir == tmp_path / "tiny-llama" / "layers_0-3"
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assert calls == [{
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"repo_id": "org/tiny-llama-shards",
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"cache_dir": str(tmp_path),
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"local_dir": str(shard_dir),
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}]
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def test_download_shard_logs_huggingface_source(tmp_path, monkeypatch, capsys):
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"""Shard download status tells the node operator when HuggingFace was used."""
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def fake_snapshot_download(repo_id, cache_dir, local_dir):
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Path(local_dir).mkdir(parents=True, exist_ok=True)
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(Path(local_dir) / "weights.json").write_text(json.dumps({"repo_id": repo_id}))
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return local_dir
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monkeypatch.setitem(
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sys.modules,
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"huggingface_hub",
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types.SimpleNamespace(snapshot_download=fake_snapshot_download),
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)
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download_shard(
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"tiny-llama",
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0,
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3,
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cache_dir=tmp_path,
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hf_repo="org/tiny-llama-shards",
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)
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assert "download source: HuggingFace" in capsys.readouterr().out
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def test_download_shard_rejects_peer_checksum_mismatch_before_fallback(
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tmp_path,
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monkeypatch,
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):
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"""Corrupt peer chunks are not marked complete; HuggingFace remains the fallback."""
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corrupt_dir = tmp_path / "corrupt"
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corrupt_dir.mkdir()
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(corrupt_dir / "weights.json").write_text(json.dumps({"payload": "corrupt"}))
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archive = io.BytesIO()
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write_shard_archive(corrupt_dir, archive)
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class FakePeerResponse:
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def __init__(self, payload: bytes):
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self._payload = io.BytesIO(payload)
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc, tb):
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return False
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def read(self, size: int = -1) -> bytes:
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return self._payload.read(size)
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monkeypatch.setattr(
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urllib.request,
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"urlopen",
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lambda *args, **kwargs: FakePeerResponse(archive.getvalue()),
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)
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hf_calls = []
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def fake_snapshot_download(repo_id, cache_dir, local_dir):
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hf_calls.append(repo_id)
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shard_dir = Path(local_dir)
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shard_dir.mkdir(parents=True, exist_ok=True)
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(shard_dir / "weights.json").write_text(json.dumps({"payload": "hf"}))
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return local_dir
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monkeypatch.setitem(
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sys.modules,
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"huggingface_hub",
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types.SimpleNamespace(snapshot_download=fake_snapshot_download),
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)
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shard_dir = download_shard(
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"tiny-llama",
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0,
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3,
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cache_dir=tmp_path / "cache",
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hf_repo="org/tiny-llama-shards",
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peers=[{"endpoint": "http://peer", "checksum": "not-the-corrupt-checksum"}],
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progress=False,
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)
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assert hf_calls == ["org/tiny-llama-shards"]
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assert json.loads((shard_dir / "weights.json").read_text()) == {"payload": "hf"}
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def test_download_shard_stub_idempotent(tmp_path):
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"""Calling download_shard twice does not error — file already exists."""
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download_shard("stub-model", 0, 31, cache_dir=tmp_path, progress=False)
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shard_dir = download_shard("stub-model", 0, 31, cache_dir=tmp_path, progress=False)
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assert shard_dir.exists()
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def test_startup_formats_probationary_jobs_remaining():
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"""Startup status tells a node how many free jobs remain before earning."""
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contracts = LocalSolanaContracts(probationary_job_count=50)
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for _ in range(12):
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contracts.registry.record_completed_job("node-wallet-a")
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line = _probationary_status_line(contracts, "node-wallet-a")
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assert line == "Probationary period: 38 jobs remaining before earning"
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# ---------------------------------------------------------------------------
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# Tracker assign endpoint
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# ---------------------------------------------------------------------------
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def _get_json(url: str) -> dict:
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with urllib.request.urlopen(url, timeout=5) as r:
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return json.loads(r.read())
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def test_tracker_assign_returns_shard_for_empty_registry():
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"""Tracker assigns the full layer range when no nodes are registered."""
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tracker = TrackerServer()
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port = tracker.start()
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try:
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resp = _get_json(
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f"http://127.0.0.1:{port}/v1/nodes/assign?model=stub-model&device=cpu&vram_mb=0"
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)
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assert resp["shard_start"] == 0
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assert resp["shard_end"] == 15
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assert resp["model"] == "stub-model"
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assert resp["model_layers_end"] == 31
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finally:
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tracker.stop()
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def test_tracker_assign_fills_gap():
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"""Tracker assigns the first uncovered layer range when a node is already registered."""
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import json as _json
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import urllib.request as _ur
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tracker = TrackerServer()
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port = tracker.start()
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try:
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# Register a node covering layers 0-15
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data = _json.dumps({
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"endpoint": "http://127.0.0.1:9100",
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"shard_start": 0,
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"shard_end": 15,
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"hardware_profile": {},
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"score": 1.0,
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}).encode()
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req = _ur.Request(
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f"http://127.0.0.1:{port}/v1/nodes/register",
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data=data,
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headers={"Content-Type": "application/json"},
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method="POST",
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)
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with _ur.urlopen(req) as r:
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r.read()
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# Assignment should fill the gap: layers 16-31
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resp = _get_json(
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f"http://127.0.0.1:{port}/v1/nodes/assign?model=stub-model&device=cpu&vram_mb=0"
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)
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assert resp["shard_start"] == 16
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assert resp["shard_end"] == 31
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finally:
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tracker.stop()
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def test_tracker_assign_returns_huggingface_repo_when_configured():
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"""Tracker includes the HuggingFace repo identifier in shard assignments."""
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tracker = TrackerServer(model_presets={
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"tiny-llama": {"layers_start": 0, "layers_end": 7, "hf_repo": "org/tiny-llama-shards"}
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})
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port = tracker.start()
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try:
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resp = _get_json(
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f"http://127.0.0.1:{port}/v1/nodes/assign?model=tiny-llama&device=cuda&vram_mb=24576"
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)
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assert resp["model"] == "tiny-llama"
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assert resp["hf_repo"] == "org/tiny-llama-shards"
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assert resp["shard_start"] == 0
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assert resp["shard_end"] == 7
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finally:
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tracker.stop()
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def test_tracker_assign_lists_peers_for_same_model_shard():
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"""A registered node with a completed shard is returned as a same-shard peer."""
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import json as _json
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import urllib.request as _ur
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tracker = TrackerServer(model_presets={
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"tiny-llama": {"layers_start": 0, "layers_end": 15, "hf_repo": "org/tiny-llama-shards"}
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})
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port = tracker.start()
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try:
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data = _json.dumps({
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"endpoint": "http://127.0.0.1:9100",
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"model": "tiny-llama",
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"shard_start": 0,
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"shard_end": 15,
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"shard_checksum": "abc123",
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"hardware_profile": {},
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"score": 1.0,
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}).encode()
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req = _ur.Request(
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f"http://127.0.0.1:{port}/v1/nodes/register",
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data=data,
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headers={"Content-Type": "application/json"},
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method="POST",
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)
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with _ur.urlopen(req) as r:
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r.read()
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resp = _get_json(
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f"http://127.0.0.1:{port}/v1/nodes/assign?model=tiny-llama&device=cpu&vram_mb=0"
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)
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assert resp["shard_start"] == 0
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assert resp["shard_end"] == 15
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assert resp["hf_repo"] == "org/tiny-llama-shards"
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assert resp["peers"] == [{
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"endpoint": "http://127.0.0.1:9100",
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"checksum": "abc123",
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}]
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finally:
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tracker.stop()
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def test_real_model_startup_summary_shows_total_layers(tmp_path, monkeypatch, capsys):
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"""Real-model startup summary prints the shard range plus total model layers."""
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import meshnet_node.startup as startup_mod
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class FakeBackend:
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total_layers = 24
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class FakeTorchNodeServer:
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def __init__(self, **kwargs):
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self.kwargs = kwargs
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self.backend = FakeBackend()
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self.port = None
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def start(self):
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self.port = 8001
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return self.port
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monkeypatch.setattr(
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startup_mod,
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"detect_hardware",
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lambda: {"device": "cpu", "gpu_name": None, "vram_mb": 0},
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)
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monkeypatch.setattr(startup_mod, "TorchNodeServer", FakeTorchNodeServer)
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node = run_startup(
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tracker_url="http://127.0.0.1:8080",
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model_id="Qwen/Qwen2.5-0.5B-Instruct",
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shard_start=0,
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shard_end=23,
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wallet_path=tmp_path / "wallet.json",
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)
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assert node.backend.total_layers == 24
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output = capsys.readouterr().out
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assert "Shard: layers 0–23; 24 of 24" in output
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# ---------------------------------------------------------------------------
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# Full startup integration test
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# ---------------------------------------------------------------------------
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def test_full_startup_sequence(tmp_path):
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"""Full startup: hardware → wallet → assign → download → start → register."""
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tracker = TrackerServer(model_presets={"stub-model": {"layers_start": 0, "layers_end": 15}})
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tracker_port = tracker.start()
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tracker_url = f"http://127.0.0.1:{tracker_port}"
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wallet_path = tmp_path / "wallet.json"
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cache_dir = tmp_path / "shards"
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try:
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node = run_startup(
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tracker_url=tracker_url,
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model="stub-model",
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wallet_path=wallet_path,
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cache_dir=cache_dir,
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)
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try:
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# Wallet was created on disk
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assert wallet_path.exists()
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wallet_data = json.loads(wallet_path.read_text())
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assert len(wallet_data) == 64
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# Shard was cached
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assert any(cache_dir.rglob("weights.json"))
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# Node appears in tracker registry (route resolves successfully)
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route_resp = _get_json(f"{tracker_url}/v1/route?model=stub-model")
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assert len(route_resp["route"]) >= 1
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assert node.port is not None
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assert any(str(node.port) in ep for ep in route_resp["route"])
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# Node accepts an inference request
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payload = json.dumps({
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"messages": [{"role": "user", "content": "hello"}],
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}).encode()
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req = urllib.request.Request(
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f"http://127.0.0.1:{node.port}/v1/infer",
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data=payload,
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headers={"Content-Type": "application/json"},
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method="POST",
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)
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with urllib.request.urlopen(req, timeout=5) as resp:
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assert resp.status == 200
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body = json.loads(resp.read())
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# Last-shard node returns text; first-shard returns activations
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assert "text" in body or "activations" in body
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finally:
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node.stop()
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finally:
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tracker.stop()
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def test_second_node_downloads_same_shard_from_peer_without_huggingface(
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tmp_path,
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monkeypatch,
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capsys,
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):
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"""Node A downloads from HF stub; node B downloads same assignment from node A."""
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import meshnet_node.startup as startup_mod
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monkeypatch.setattr(
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startup_mod,
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"detect_hardware",
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lambda: {"device": "cpu", "gpu_name": None, "vram_mb": 0},
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)
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hf_calls = []
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def fake_snapshot_download(repo_id, cache_dir, local_dir):
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hf_calls.append({"repo_id": repo_id, "local_dir": local_dir})
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shard_dir = Path(local_dir)
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shard_dir.mkdir(parents=True, exist_ok=True)
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(shard_dir / "weights.json").write_text(json.dumps({
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"repo_id": repo_id,
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"payload": "node-a-hf-stub",
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}))
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return local_dir
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monkeypatch.setitem(
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sys.modules,
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"huggingface_hub",
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types.SimpleNamespace(snapshot_download=fake_snapshot_download),
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)
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tracker = TrackerServer(model_presets={
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"tiny-llama": {"layers_start": 0, "layers_end": 15, "hf_repo": "org/tiny-llama-shards"}
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})
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tracker_port = tracker.start()
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tracker_url = f"http://127.0.0.1:{tracker_port}"
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nodes = []
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try:
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node_a = run_startup(
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tracker_url=tracker_url,
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model="tiny-llama",
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wallet_path=tmp_path / "wallet-a.json",
|
||
cache_dir=tmp_path / "node-a-shards",
|
||
)
|
||
nodes.append(node_a)
|
||
assert len(hf_calls) == 1
|
||
|
||
node_b = run_startup(
|
||
tracker_url=tracker_url,
|
||
model="tiny-llama",
|
||
wallet_path=tmp_path / "wallet-b.json",
|
||
cache_dir=tmp_path / "node-b-shards",
|
||
)
|
||
nodes.append(node_b)
|
||
|
||
assert len(hf_calls) == 1
|
||
assert (tmp_path / "node-b-shards" / "tiny-llama" / "layers_0-15" / "weights.json").exists()
|
||
output = capsys.readouterr().out
|
||
assert "download source: HuggingFace" in output
|
||
assert "download source: peer" in output
|
||
finally:
|
||
for node in reversed(nodes):
|
||
node.stop()
|
||
tracker.stop()
|
||
|
||
|
||
def test_network_assign_gap_found_field():
|
||
"""network/assign sets gap_found=True when a real gap exists, False when fully covered."""
|
||
import json as _json
|
||
import urllib.request as _ur
|
||
|
||
tracker = TrackerServer()
|
||
port = tracker.start()
|
||
try:
|
||
# Register a node covering only layers 0-11 of a 24-layer model.
|
||
data = _json.dumps({
|
||
"endpoint": "http://127.0.0.1:9200",
|
||
"model": "Qwen2.5-0.5B-Instruct",
|
||
"hf_repo": "Qwen/Qwen2.5-0.5B-Instruct",
|
||
"num_layers": 24,
|
||
"shard_start": 0,
|
||
"shard_end": 11,
|
||
"hardware_profile": {},
|
||
"score": 1.0,
|
||
}).encode()
|
||
req = _ur.Request(
|
||
f"http://127.0.0.1:{port}/v1/nodes/register",
|
||
data=data,
|
||
headers={"Content-Type": "application/json"},
|
||
method="POST",
|
||
)
|
||
with _ur.urlopen(req) as r:
|
||
r.read()
|
||
|
||
# A new node should be told there is a gap (layers 12-23).
|
||
resp = _get_json(
|
||
f"http://127.0.0.1:{port}/v1/network/assign?device=cpu&vram_mb=0"
|
||
"&hf_repo=Qwen/Qwen2.5-0.5B-Instruct"
|
||
)
|
||
assert resp["gap_found"] is True
|
||
assert resp["shard_start"] == 12, f"expected gap at 12, got {resp['shard_start']}"
|
||
assert resp["shard_end"] == 23
|
||
|
||
# Register the second node covering the gap.
|
||
data2 = _json.dumps({
|
||
"endpoint": "http://127.0.0.1:9201",
|
||
"model": "Qwen2.5-0.5B-Instruct",
|
||
"hf_repo": "Qwen/Qwen2.5-0.5B-Instruct",
|
||
"num_layers": 24,
|
||
"shard_start": 12,
|
||
"shard_end": 23,
|
||
"hardware_profile": {},
|
||
"score": 1.0,
|
||
}).encode()
|
||
req2 = _ur.Request(
|
||
f"http://127.0.0.1:{port}/v1/nodes/register",
|
||
data=data2,
|
||
headers={"Content-Type": "application/json"},
|
||
method="POST",
|
||
)
|
||
with _ur.urlopen(req2) as r:
|
||
r.read()
|
||
|
||
# Now fully covered — gap_found should be False.
|
||
resp2 = _get_json(
|
||
f"http://127.0.0.1:{port}/v1/network/assign?device=cpu&vram_mb=0"
|
||
"&hf_repo=Qwen/Qwen2.5-0.5B-Instruct"
|
||
)
|
||
assert resp2["gap_found"] is False
|
||
finally:
|
||
tracker.stop()
|
||
|
||
|
||
def test_startup_cpu_fallback(tmp_path, monkeypatch):
|
||
"""Node starts with CPU warning when no GPU is detected."""
|
||
import meshnet_node.startup as startup_mod
|
||
|
||
monkeypatch.setattr(
|
||
startup_mod,
|
||
"detect_hardware",
|
||
lambda: {"device": "cpu", "gpu_name": None, "vram_mb": 0},
|
||
)
|
||
|
||
tracker = TrackerServer(model_presets={"stub-model": {"layers_start": 0, "layers_end": 15}})
|
||
tracker_port = tracker.start()
|
||
tracker_url = f"http://127.0.0.1:{tracker_port}"
|
||
|
||
try:
|
||
node = run_startup(
|
||
tracker_url=tracker_url,
|
||
model="stub-model",
|
||
wallet_path=tmp_path / "wallet.json",
|
||
cache_dir=tmp_path / "shards",
|
||
)
|
||
try:
|
||
# Node is running even on CPU
|
||
assert node.port is not None
|
||
route_resp = _get_json(f"{tracker_url}/v1/route?model=stub-model")
|
||
assert len(route_resp["route"]) >= 1
|
||
finally:
|
||
node.stop()
|
||
finally:
|
||
tracker.stop()
|