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184 lines
9.0 KiB
Python
184 lines
9.0 KiB
Python
"""四个并发上传/下载探针；仅针对一次性测试服务运行。两个现有测试帐户的凭据 JSON 为 [{"username": "...", "password": "..."}, ...]。切勿将凭证、令牌或响应正文写入报告。这是一个转移探针，不是 S-09 完成或 RSS 测量的声明。"""
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import argparse
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import asyncio
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import hashlib
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import json
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from pathlib import Path
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import time
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from urllib.parse import urlsplit
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import uuid
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import httpx
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CHUNK = 1024 * 1024
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class ProbeFailure(Exception):
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pass
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async def checked(client, method, path, **kwargs):
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response = await client.request(method, path, **kwargs)
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if response.status_code != 200:
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raise ProbeFailure(f"HTTP_{response.status_code}")
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return response.json()
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def block(index, offset, length):
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# 每个流和偏移量具有独特的、可重复的内容，没有整个文件缓冲区。
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seed = hashlib.sha256(f"20260908:{index}:{offset}".encode()).digest()
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return (seed * ((length + len(seed) - 1) // len(seed)))[:length]
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def expected_hash(index, size):
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checksum = hashlib.sha256()
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for offset in range(0, size, CHUNK):
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checksum.update(block(index, offset, min(CHUNK, size - offset)))
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return checksum.hexdigest()
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async def probe(base_url, credentials, *, size=100 * CHUNK):
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if len(credentials) != 2 or credentials[0]["username"] == credentials[1]["username"]:
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raise ValueError("TWO_DISTINCT_TEST_ACCOUNTS_REQUIRED")
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if not 1 <= size <= 100 * CHUNK:
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raise ValueError("SIZE_OUT_OF_RANGE")
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run_id = uuid.uuid4().hex
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report = {"run_id": run_id, "seed": 20260908, "bytes_per_upload": size,
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"concurrency": 4, "accounts": 2, "vaults_per_account": 2,
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"result": "FAILED", "acceptance": "NOT_ASSESSED",
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"service_rss_bytes": None,
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"limitations": ["No server process/container RSS collector attached",
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"Not the 30-minute load, 10000-note or impaired-network benchmark",
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"Creates four test Vaults and retains uploaded data for inspection"],
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"transfers": []}
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timeout = httpx.Timeout(60, connect=10)
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async with httpx.AsyncClient(base_url=base_url, timeout=timeout,
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follow_redirects=False, trust_env=False) as admin:
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sessions = []
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for account in credentials:
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session = await checked(admin, "POST", "/sync/v1/auth/sessions", json={
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**account, "device_name": "upload-benchmark-" + run_id})
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sessions.append({"Authorization": "Bearer " + session["access_token"]})
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jobs = []
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for index in range(4):
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auth = sessions[index // 2]
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vault = await checked(admin, "POST", "/sync/v1/vaults", headers=auth,
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json={"name": f"benchmark-{run_id}-{index}"})
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jobs.append((index, auth, "/sync/v1/vaults/" + vault["vault_id"]))
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hashes = [expected_hash(index, size) for index in range(4)]
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gate = asyncio.Event()
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ready = asyncio.Queue()
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async def transfer(index, auth, base):
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async with httpx.AsyncClient(base_url=base_url, headers=auth, timeout=timeout,
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follow_redirects=False, trust_env=False) as client:
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sha = hashes[index]
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info = await checked(client, "POST", base + "/uploads",
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json={"content_hash": sha, "size": size})
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if info["complete"] or info["offset"] != 0:
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raise ProbeFailure("NEW_VAULT_UPLOAD_NOT_EMPTY")
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upload = base + "/uploads/" + info["upload_id"]
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await ready.put(index)
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await gate.wait()
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start = time.perf_counter()
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for offset in range(0, size, CHUNK):
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data = block(index, offset, min(CHUNK, size - offset))
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result = await checked(client, "PUT", upload, params={"offset": offset}, content=data)
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if result["offset"] != offset + len(data):
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raise ProbeFailure("OFFSET_MISMATCH")
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receipt = await checked(client, "POST", upload + "/complete")
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if receipt != {"complete": True, "content_hash": sha}:
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raise ProbeFailure("COMPLETE_MISMATCH")
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if await checked(client, "POST", upload + "/complete") != receipt:
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raise ProbeFailure("COMPLETE_REPLAY_MISMATCH")
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uploaded = time.perf_counter()
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revision = {"operation_id": uuid.uuid4().hex, "file_id": uuid.uuid4().hex,
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"base_revision": 0, "path": "attachments/benchmark.bin",
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"operation": "put", "content_hash": sha, "size": size}
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committed = await checked(client, "POST", base + "/revisions", json=revision)
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if committed["sequence"] != 1:
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raise ProbeFailure("REVISION_SEQUENCE_MISMATCH")
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if await checked(client, "POST", base + "/revisions", json=revision) != committed:
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raise ProbeFailure("REVISION_REPLAY_MISMATCH")
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checksum, received = hashlib.sha256(), 0
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async with client.stream("GET", base + "/objects/" + sha) as response:
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if response.status_code != 200:
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raise ProbeFailure(f"DOWNLOAD_HTTP_{response.status_code}")
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async for data in response.aiter_bytes(CHUNK):
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received += len(data)
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if received > size:
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raise ProbeFailure("DOWNLOAD_SIZE_EXCEEDED")
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checksum.update(data)
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if received != size or checksum.hexdigest() != sha:
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raise ProbeFailure("DOWNLOAD_INTEGRITY")
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# 另一个帐户必须无法读取此对象的字节。
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denied = await admin.get(base + "/objects/" + sha, headers=sessions[1 - index // 2])
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if denied.status_code not in (403, 404):
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raise ProbeFailure("ACCOUNT_ISOLATION_FAILED")
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return {"index": index, "vault_id": base.rsplit("/", 1)[1],
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"sha256": sha, "verified_bytes": received,
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"upload_seconds": uploaded - start,
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"total_seconds": time.perf_counter() - start}
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tasks = [asyncio.create_task(transfer(*job)) for job in jobs]
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try:
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# 绑定准备：失败的对等体不能让其他对等体永远等待。
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async def all_ready():
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for _ in jobs:
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await ready.get()
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readiness = asyncio.create_task(all_ready())
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try:
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finished, _ = await asyncio.wait([readiness, *tasks], timeout=75,
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return_when=asyncio.FIRST_COMPLETED)
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if not finished:
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raise ProbeFailure("PREPARATION_TIMEOUT")
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for task in finished:
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task.result()
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if not readiness.done():
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raise ProbeFailure("PREPARATION_FAILED")
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finally:
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readiness.cancel()
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await asyncio.gather(readiness, return_exceptions=True)
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start = time.perf_counter()
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gate.set()
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report["transfers"] = await asyncio.gather(*tasks)
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report["elapsed_seconds"] = time.perf_counter() - start
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report["result"] = "PASSED"
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return report
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finally:
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for task in tasks:
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if not task.done():
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task.cancel()
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await asyncio.gather(*tasks, return_exceptions=True)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--url", required=True)
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parser.add_argument("--credentials", type=Path, required=True)
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parser.add_argument("--output", type=Path, required=True)
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parser.add_argument("--allow-test-http", action="store_true")
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args = parser.parse_args()
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url = urlsplit(args.url)
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if (url.scheme not in ("http", "https") or not url.hostname or url.username or
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url.password or url.query or url.fragment or url.path not in ("", "/")):
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parser.error("EXPECTED_SERVICE_ORIGIN")
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if url.scheme == "http" and not args.allow_test_http:
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parser.error("HTTP_REQUIRES_ALLOW_TEST_HTTP")
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report = {"result": "FAILED", "acceptance": "NOT_ASSESSED"}
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try:
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credentials = json.loads(args.credentials.read_text(encoding="utf-8"))
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report = asyncio.run(asyncio.wait_for(probe(args.url, credentials), timeout=1800))
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except Exception as error:
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# 异常文本可能包含凭据或响应数据；仅记录其类型。
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report["error_type"] = type(error).__name__
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finally:
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args.output.parent.mkdir(parents=True, exist_ok=True)
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args.output.write_text(json.dumps(report, indent=2) + "\n", encoding="utf-8")
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print(report["result"])
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return 0 if report["result"] == "PASSED" else 1
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if __name__ == "__main__":
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raise SystemExit(main())
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