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ThearchyHelios
481 lines
22 KiB
Python
481 lines
22 KiB
Python
"""多进程端到端（docs/design/orchestration-round/00-总方案.md §5 W2-b 的验收）：PostgreSQL 上起两个工作进程（uvicorn，A、B），
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指着同一个库、同一个数据目录，用演示模型（Mock）跑：
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1. 两个进程都登记了、只有一个当调度班；
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2. 运行由接到请求的那个进程认领；另一个进程上的 WebSocket 收得到实时事件（含不落库的流式增量）；同一个审批决定同时发给两个
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进程只执行一次；两边的事件流都按 seq 递增、不重不漏，封存核对得上；
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3. 在 A 上跑的运行，从 B 停止：照本进程的停止办（run.cancelled 带上是谁停的）；
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4. 定时任务到点只触发一次（两个进程都起着调度循环，只有当班的做）；
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5. 评测和问数据并发时优先级生效：全站只给 1 个名额，评测的作答运行（系统类，由本测试进程作为第三个登记的工作进程以评测的
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来源发起——工作进程里发起评测要真的去调模型建图）排着队时，后来的问数据运行（交互类，经 A 的接口发起）先拿到名额；
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6. 每日花费上限跨进程不越过：两个进程同时往同一本账上记，记下的合计不超过上限；
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7. 强杀 B：租约过期后，B 上在跑的运行被照实标中断（可从断点继续），停在审批上的运行照常能在 A 上批、接着跑完；B 当着调度班的
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话 A 接班。
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缺省不跑：要 AGENTLAB_MULTIPROCESS_E2E=1 和 PostgreSQL 测试库（scripts/test-multiprocess.sh 起临时容器、设好这两样）。
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"""
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from __future__ import annotations
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import asyncio
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import json
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import os
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import signal
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import socket
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import subprocess
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import sys
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import time
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from pathlib import Path
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from typing import Any
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import pytest
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pytestmark = pytest.mark.skipif(
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os.environ.get("AGENTLAB_MULTIPROCESS_E2E") != "1" or not os.environ.get("AGENTLAB_TEST_DATABASE_URL"),
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reason="多进程端到端缺省不跑：用 scripts/test-multiprocess.sh（要本机 docker 的 postgres:16）")
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BACKEND = Path(__file__).resolve().parents[1]
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#: 工作进程的租约和心跳：调小，强杀之后几秒就能看到接手
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HEARTBEAT_S = 0.5
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LEASE_S = 2.0
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def _free_port() -> int:
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with socket.socket() as s:
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s.bind(("127.0.0.1", 0))
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return s.getsockname()[1]
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def _node(nid: str, ntype: str, **config: Any) -> dict[str, Any]:
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return {"id": nid, "type": ntype, "position": {"x": 0, "y": 0}, "data": {"label": nid, "config": config}}
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def _chain(*nodes: dict[str, Any]) -> dict[str, Any]:
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return {"nodes": list(nodes), "edges": [{"source": a["id"], "target": b["id"]} for a, b in zip(nodes, nodes[1:])]}
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def _sleep_code(seconds: float) -> dict[str, Any]:
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return _node("wait", "code", language="python", code=f"import time\ntime.sleep({seconds})\nprint('ok')")
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def slow_graph(seconds: float) -> dict[str, Any]:
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return _chain(_node("start", "input", fields=[{"name": "question"}]), _sleep_code(seconds),
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_node("out", "output", fields=[{"name": "r", "value": "{{ nodes.wait.text }}"}]))
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APPROVAL_GRAPH = _chain(
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_node("start", "input", fields=[{"name": "question"}]),
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_sleep_code(1.0),
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_node("gate", "human", mode="approve", title="看一眼再接着"),
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_node("write", "llm", prompt="用三句话写一段说明"),
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_node("out", "output", fields=[{"name": "结果", "value": "{{ nodes.write.text }}"}]),
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)
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class Worker:
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def __init__(self, name: str, env: dict[str, str], log_dir: Path) -> None:
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self.name = name
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self.port = _free_port()
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self.base = f"http://127.0.0.1:{self.port}"
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self.log = log_dir / f"worker-{name}.log"
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self.proc = subprocess.Popen(
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[sys.executable, "-m", "uvicorn", "app.main:app", "--host", "127.0.0.1", "--port", str(self.port)],
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cwd=str(BACKEND), env=env, stdout=open(self.log, "wb"), stderr=subprocess.STDOUT)
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self.owner: str | None = None
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def kill(self) -> None:
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if self.proc.poll() is None:
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self.proc.send_signal(signal.SIGKILL)
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self.proc.wait(timeout=10)
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def stop(self) -> None:
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if self.proc.poll() is None:
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self.proc.send_signal(signal.SIGTERM)
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try:
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self.proc.wait(timeout=15)
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except subprocess.TimeoutExpired:
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self.kill()
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def tail(self) -> str:
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try:
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return self.log.read_text(encoding="utf-8", errors="replace")[-4000:]
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except OSError:
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return ""
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def _worker_env() -> dict[str, str]:
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env = {k: v for k, v in os.environ.items()
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if k not in ("ANTHROPIC_API_KEY", "ANTHROPIC_BASE_URL", "ANTHROPIC_AUTH_TOKEN", "OPENAI_API_KEY",
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"PYTEST_XDIST_WORKER", "PYTEST_CURRENT_TEST")}
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env.update({
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"PYTHONPATH": str(BACKEND),
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# 应用库、数据目录：和本测试进程同一个（conftest 已经设好）
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"AGENTLAB_DATABASE_URL": os.environ["AGENTLAB_DATABASE_URL"],
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"AGENTLAB_DATA_DIR": os.environ["AGENTLAB_DATA_DIR"],
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"AGENTLAB_DB_POOL_SIZE": "5",
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"AGENTLAB_SCHEDULER": "1",
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"AGENTLAB_SCHEDULER_TICK_S": "0.5",
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"AGENTLAB_WORKER_HEARTBEAT_S": str(HEARTBEAT_S),
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"AGENTLAB_WORKER_LEASE_S": str(LEASE_S),
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"AGENTLAB_SANDBOX_BACKEND": "local",
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"AGENTLAB_AUTH_MODE": "off",
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})
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return env
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@pytest.fixture(scope="module")
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def workers(tmp_path_factory):
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import httpx
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log_dir = tmp_path_factory.mktemp("multiprocess")
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env = _worker_env()
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started = [Worker("A", env, log_dir), Worker("B", env, log_dir)]
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try:
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deadline = time.monotonic() + 90
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for w in started:
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while True:
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if w.proc.poll() is not None:
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raise AssertionError(f"工作进程 {w.name} 没起来：\n{w.tail()}")
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try:
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if httpx.get(f"{w.base}/api/health", timeout=2).status_code == 200:
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break
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except httpx.HTTPError:
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pass
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if time.monotonic() > deadline:
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raise AssertionError(f"工作进程 {w.name} 90 秒没起来：\n{w.tail()}")
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time.sleep(0.3)
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w.owner = httpx.get(f"{w.base}/api/system", timeout=10).json()["cluster"]["me"]
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yield {w.name: w for w in started}
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finally:
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for w in started:
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w.stop()
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for w in started:
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print(f"---- 工作进程 {w.name} 的日志（末尾）----\n{w.tail()}")
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async def _client():
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import httpx
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return httpx.AsyncClient(timeout=30)
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async def _until(check, timeout: float = 20.0, what: str = "") -> Any:
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deadline = time.monotonic() + timeout
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last = None
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while time.monotonic() < deadline:
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last = await check()
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if last:
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return last
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await asyncio.sleep(0.1)
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raise AssertionError(f"等超时了：{what}（最后一次：{last!r}）")
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async def _run(client, worker: Worker, run_id: str) -> dict[str, Any]:
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return (await client.get(f"{worker.base}/api/runs/{run_id}")).json()
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async def _db(sql: str, *args: Any) -> list[Any]:
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from sqlalchemy import text
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from app.db.base import SessionLocal
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async with SessionLocal() as session:
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return list((await session.execute(text(sql), _params(args))).all())
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def _params(args: tuple[Any, ...]) -> dict[str, Any]:
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return {f"p{i}": v for i, v in enumerate(args)}
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class Stream:
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"""一条 WebSocket（/api/runs/{id}/stream）收到的全部消息。"""
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def __init__(self, worker: Worker, run_id: str) -> None:
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self.url = f"ws://127.0.0.1:{worker.port}/api/runs/{run_id}/stream?after=0"
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self.messages: list[dict[str, Any]] = []
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self.task: asyncio.Task[None] | None = None
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async def start(self) -> Stream:
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import websockets
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ready = asyncio.Event()
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async def pump() -> None:
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async with websockets.connect(self.url) as ws:
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ready.set()
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async for raw in ws:
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msg = json.loads(raw)
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self.messages.append(msg)
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if msg.get("type") == "stream.end":
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return
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self.task = asyncio.create_task(pump())
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await asyncio.wait_for(ready.wait(), timeout=10)
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return self
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def types(self) -> list[str]:
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return [m.get("type") for m in self.messages]
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def seqs(self) -> list[int]:
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"""落库事件的 seq（不落库的流式增量另算）。"""
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return [int(m["seq"]) for m in self.messages if m.get("seq") and m.get("type") not in ("llm.token",
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"llm.thinking.delta")]
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async def ended(self, timeout: float = 30.0) -> None:
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assert self.task is not None
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await asyncio.wait_for(self.task, timeout=timeout)
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# --------------------------------------------------------------------------
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async def test_1_two_workers_one_leader(workers):
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a, b = workers["A"], workers["B"]
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async with await _client() as client:
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async def both() -> Any:
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info = (await client.get(f"{a.base}/api/system")).json()["cluster"]
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alive = {w["id"] for w in info["workers"] if w["alive"]}
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return info if {a.owner, b.owner} <= alive else None
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info = await _until(both, what="两个进程都登记")
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assert info["database"] == "postgresql"
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assert info["leader"]["owner"] in (a.owner, b.owner)
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other = (await client.get(f"{b.base}/api/system")).json()["cluster"]
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assert other["leader"]["owner"] == info["leader"]["owner"], "两边看到的当班是同一个"
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async def test_2_live_events_across_workers_and_one_decision(workers):
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a, b = workers["A"], workers["B"]
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async with await _client() as client:
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made = (await client.post(f"{a.base}/api/runs", json={"graph": APPROVAL_GRAPH, "input": {"question": "q"},
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"origin": "canvas"})).json()
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run_id = made["id"]
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# 两边各接一条流（趁它还在跑：停在审批上之后才接的流回放完就结束，要等恢复之后重新接）
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on_b = await Stream(b, run_id).start()
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on_a = await Stream(a, run_id).start()
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owner = await _until(lambda: _owner_while_active(run_id), what="运行被认领")
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assert owner == a.owner, "运行由接到请求的进程认领"
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async def paused() -> Any:
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return (await _run(client, b, run_id))["status"] == "interrupted"
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await _until(paused, what="停在审批上")
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await _until(lambda: _has(on_b, "run.interrupted"), what="B 上的流收到 run.interrupted")
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# 同一个决定同时发给两个进程：只执行一次
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decided = await asyncio.gather(
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client.post(f"{a.base}/api/runs/{run_id}/resume", json={"response": {"approved": True}}),
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client.post(f"{b.base}/api/runs/{run_id}/resume", json={"response": {"approved": True}}))
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assert sorted(r.status_code for r in decided)[0] == 200, [r.text for r in decided]
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async def finished() -> Any:
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return (await _run(client, a, run_id))["status"] in ("succeeded", "failed")
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await _until(finished, timeout=60, what="运行跑完")
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assert (await _run(client, a, run_id))["status"] == "succeeded"
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await on_a.ended()
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await on_b.ended()
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for stream in (on_a, on_b):
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assert "run.finished" in stream.types(), stream.types()
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seqs = stream.seqs()
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assert seqs == sorted(set(seqs)), f"事件流有重复或乱序：{seqs}"
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started = [m for m in on_a.messages if m.get("type") == "node.started" and m.get("node_id") == "write"]
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assert len(started) == 1, "审批之后的那一步只执行了一次"
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# 执行后半段的进程不是谁、另一个进程上的流照样收到了流式增量（不落库，只转给在看的进程）
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assert any(m.get("type") == "llm.token" for m in on_a.messages) and \
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any(m.get("type") == "llm.token" for m in on_b.messages), "两边都收到了正文增量"
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rows = await _db("SELECT seq, count(*) FROM run_events WHERE run_id = :p0 GROUP BY seq HAVING count(*) > 1", run_id)
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assert rows == [], f"库里的事件撞了号：{rows}"
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verified = (await client.get(f"{b.base}/api/runs/{run_id}/verify")).json()
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assert verified["ok"] is True, verified
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async def _owner_while_active(run_id: str) -> str | None:
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rows = await _db("SELECT owner, status FROM runs WHERE id = :p0", run_id)
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if rows and rows[0][1] in ("running", "queued") and rows[0][0]:
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return rows[0][0]
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return None
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async def _has(stream: Stream, kind: str) -> bool:
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return kind in stream.types()
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async def test_3_stop_from_the_other_worker(workers):
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a, b = workers["A"], workers["B"]
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async with await _client() as client:
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run_id = (await client.post(f"{a.base}/api/runs", json={"graph": slow_graph(20), "input": {"question": "q"},
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"origin": "canvas"})).json()["id"]
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await _until(lambda: _owner_while_active(run_id), what="运行被认领")
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t0 = time.monotonic()
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stop = await client.post(f"{b.base}/api/runs/{run_id}/cancel", headers={"X-Actor": "e2e-stopper"})
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assert stop.status_code == 200 and stop.json()["status"] == "stopping", stop.text
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async def cancelled() -> Any:
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row = await _run(client, b, run_id)
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return row if row["status"] == "cancelled" else None
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row = await _until(cancelled, timeout=15, what="停止生效")
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assert row["end_reason"] == "stopped"
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assert time.monotonic() - t0 < 10, "不是等它跑完才停的"
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events = (await client.get(f"{a.base}/api/runs/{run_id}/events")).json()
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stopped = [e for e in events if e["type"] == "run.cancelled"]
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assert stopped and stopped[-1]["data"].get("actor") == "e2e-stopper", stopped
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async def test_4_a_schedule_fires_once(workers):
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a = workers["A"]
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async with await _client() as client:
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wf = (await client.post(f"{a.base}/api/workflows", json={"name": "定时验收", "graph": slow_graph(0.1)})).json()
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made = await client.post(f"{a.base}/api/schedules", json={
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"name": "每分钟一次", "workflow_id": wf["id"], "cron": "* * * * *", "timezone": "Asia/Shanghai", "run_class": "exploratory",
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"input_template": {"question": "定时"}})
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assert made.status_code == 201, made.text
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schedule_id = made.json()["id"]
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# 拨到「刚过点」：两个进程的调度循环都在转，只有当班的那个做
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from sqlalchemy import text
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from app.db.base import SessionLocal, utcnow
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due = utcnow().replace(microsecond=0)
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async with SessionLocal() as session:
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await session.execute(text("UPDATE schedules SET next_run_at = :t WHERE id = :i"), {"t": due.replace(tzinfo=None),
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"i": schedule_id})
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await session.commit()
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async def fired() -> Any:
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rows = await _db("SELECT id FROM schedule_fires WHERE schedule_id = :p0", schedule_id)
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return rows or None
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await _until(fired, timeout=15, what="定时触发")
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await asyncio.sleep(3) # 再等几拍：不会再发一次
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fires = await _db("SELECT kind, status, run_id FROM schedule_fires WHERE schedule_id = :p0", schedule_id)
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runs = await _db("SELECT id FROM runs WHERE schedule_id = :p0", schedule_id)
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assert len(fires) == 1 and len(runs) == 1, (fires, runs)
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await client.patch(f"{a.base}/api/schedules/{schedule_id}", json={"enabled": False})
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async def test_5_chat_goes_before_queued_evaluation_runs(workers, monkeypatch):
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"""全站 1 个名额：评测的作答运行（系统类）排着两个，问数据的运行（交互类）后来，先拿到名额。"""
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from app import cluster
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from app.core.config import settings
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from app.cluster import slots
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from app.cluster.relay import relay
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from app.db.base import SessionLocal
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from app.db.models import Run
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from app.engine.runner import run_manager
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a = workers["A"]
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async with await _client() as client:
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put = await client.put(f"{a.base}/api/settings", json={"values": {"concurrency": {
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"max_total": 1, "classes": {"interactive": {"limit": 1, "priority": 40}, "system": {"limit": 1, "priority": 10}}}}})
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assert put.status_code == 200, put.text
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slots.forget_policy()
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monkeypatch.setattr(settings, "sandbox_backend", "local")
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await cluster.start() # 本测试进程登记成第三个工作进程，替评测发起作答运行
|
||
await relay.start()
|
||
await run_manager.setup()
|
||
try:
|
||
evals = [await run_manager.start(graph=slow_graph(1.5), input_payload={"question": f"评测 {i}"},
|
||
origin_kind="eval", origin={"kind": "eval"}) for i in range(3)]
|
||
|
||
async def first_running() -> Any:
|
||
async with SessionLocal() as session:
|
||
return (await session.get(Run, evals[0].id)).status == "running"
|
||
|
||
await _until(first_running, what="第一题的作答运行拿到名额")
|
||
await asyncio.sleep(0.3)
|
||
chat_id = (await client.post(f"{a.base}/api/runs", json={
|
||
"graph": slow_graph(0.2), "input": {"question": "问数据"}, "origin": "chat"})).json()["id"]
|
||
|
||
async def all_done() -> Any:
|
||
async with SessionLocal() as session:
|
||
rows = [await session.get(Run, rid, populate_existing=True) for rid in [*[e.id for e in evals], chat_id]]
|
||
return rows if all(r.status in ("succeeded", "failed") for r in rows) else None
|
||
|
||
rows = await _until(all_done, timeout=60, what="都跑完")
|
||
assert all(r.status == "succeeded" for r in rows), [(r.id, r.status, r.error) for r in rows]
|
||
e1, e2, e3, chat = rows
|
||
assert e2.created_at < chat.created_at and e3.created_at < chat.created_at, "评测的两题先来、排着队"
|
||
assert e1.started_at < chat.started_at < e2.started_at < e3.started_at, \
|
||
[(r.origin_kind, r.created_at, r.started_at) for r in rows]
|
||
finally:
|
||
await run_manager.shutdown()
|
||
await relay.stop()
|
||
await cluster.stop()
|
||
await client.put(f"{a.base}/api/settings", json={"values": {"concurrency": slots.defaults()}})
|
||
|
||
|
||
def test_6_the_daily_cap_holds_across_processes(workers):
|
||
"""两个进程同时往评测那本账上各记 20 次、每次 0.1 美元，上限 1 美元：合计记下的正好 10 次、不超过上限。"""
|
||
script = (
|
||
"import asyncio, json\n"
|
||
"from app.engine.spend import Ledger\n"
|
||
"async def main():\n"
|
||
" book = Ledger('e2e_spend')\n"
|
||
" got = await asyncio.gather(*(book.charge(0.1, limit=1.0, priced=True) for _ in range(20)))\n"
|
||
" print(json.dumps(sum(1 for d in got if d)))\n"
|
||
"asyncio.run(main())\n")
|
||
env = {**_worker_env(), "AGENTLAB_SCHEDULER": "0"}
|
||
procs = [subprocess.Popen([sys.executable, "-c", script], cwd=str(BACKEND), env=env, stdout=subprocess.PIPE,
|
||
stderr=subprocess.PIPE) for _ in range(2)]
|
||
outs = [p.communicate(timeout=120) for p in procs]
|
||
assert all(p.returncode == 0 for p in procs), [o[1].decode()[-2000:] for o in outs]
|
||
charged = sum(int(o[0].decode().strip().splitlines()[-1]) for o in outs)
|
||
assert charged == 10, f"两个进程合计记下 {charged} 次（上限只容得下 10 次）"
|
||
total = asyncio.run(_spent())
|
||
assert total <= 1.0 + 1e-9, total
|
||
|
||
|
||
async def _spent() -> float:
|
||
from app.engine.spend import Ledger
|
||
|
||
return float((await Ledger("e2e_spend").daily())["usd"])
|
||
|
||
|
||
async def test_7_kill_a_worker(workers):
|
||
a, b = workers["A"], workers["B"]
|
||
async with await _client() as client:
|
||
leader_before = (await client.get(f"{a.base}/api/system")).json()["cluster"]["leader"]["owner"]
|
||
# B 上：一次在跑（会被照实标中断），一次停在审批上（不属于任何进程，B 没了照样能在 A 上批）
|
||
busy = (await client.post(f"{b.base}/api/runs", json={"graph": slow_graph(30), "input": {"question": "q"},
|
||
"origin": "canvas"})).json()["id"]
|
||
paused = (await client.post(f"{b.base}/api/runs", json={"graph": APPROVAL_GRAPH, "input": {"question": "q"},
|
||
"origin": "canvas"})).json()["id"]
|
||
await _until(lambda: _owner_while_active(busy), what="B 认领了运行")
|
||
|
||
async def waiting() -> Any:
|
||
return (await _run(client, a, paused))["status"] == "interrupted"
|
||
|
||
await _until(waiting, what="停在审批上")
|
||
b.kill()
|
||
t0 = time.monotonic()
|
||
|
||
async def taken_over() -> Any:
|
||
row = await _run(client, a, busy)
|
||
return row if row["status"] == "interrupted" else None
|
||
|
||
row = await _until(taken_over, timeout=LEASE_S * 6 + 10, what="租约过期后被接手")
|
||
assert "可从断点继续运行" in (row["error"] or "")
|
||
events = (await client.get(f"{a.base}/api/runs/{busy}/events")).json()
|
||
assert any(e["type"] == "log" and e["data"].get("code") == "server_shutdown" for e in events)
|
||
print(f"强杀 B 之后 {time.monotonic() - t0:.1f} 秒被接手")
|
||
info = (await client.get(f"{a.base}/api/system")).json()["cluster"]
|
||
assert b.owner not in {w["id"] for w in info["workers"] if w["alive"]}
|
||
if leader_before == b.owner:
|
||
async def a_leads() -> Any:
|
||
got = (await client.get(f"{a.base}/api/system")).json()["cluster"]["leader"]
|
||
return got["owner"] == a.owner
|
||
|
||
await _until(a_leads, timeout=LEASE_S * 6, what="A 接班")
|
||
# 停在审批上的那一次：在 A 上批，接着跑完
|
||
ok = await client.post(f"{a.base}/api/runs/{paused}/resume", json={"response": {"approved": True}})
|
||
assert ok.status_code == 200, ok.text
|
||
|
||
async def done() -> Any:
|
||
return (await _run(client, a, paused))["status"] == "succeeded"
|
||
|
||
await _until(done, timeout=60, what="批了之后在 A 上跑完")
|
||
# 被标中断的那一次：在 A 上能接着跑（这里接上就停掉，不等它睡完）
|
||
cont = await client.post(f"{a.base}/api/runs/{busy}/continue", json={})
|
||
assert cont.status_code == 200, cont.text
|
||
await client.post(f"{a.base}/api/runs/{busy}/cancel")
|