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ThearchyHelios
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- 服务端可以托管前端构建产物（AGENTLAB_WEB_DIST）：页面路由回退到 index.html，/api 下不存在的路径照旧是 JSON 404， 挡住路径穿越；index.html 不缓存，assets/ 带哈希的文件长缓存；没设时行为完全不变 - scripts/prod.sh：不用 Docker 的生产运行。按需构建前端，单进程、不热重载，默认只听本机，--host 开放到局域网并提示没有登录 - Dockerfile（多阶段构建，Linux 镜像）：前端在构建机架构上构建，运行阶段用 python:3.12-slim，依赖装进独立的 venv， 以非 root 用户（uid 10001）运行，数据在 /data，带健康检查；.dockerignore 排除 .env、data/、各种库文件，镜像里实测没有密钥和数据库 - scripts/package-docker.sh：构建指定平台的镜像（默认按本机架构，可选 linux/amd64），打成 release/agentlab-<版本>-linux-<架构>.tar，里面有 image.tar、deploy.sh、agentlab.env、README.md、SHA256SUMS - deploy/deploy.sh：目标机上只依赖 Docker，离线可用。install / start / stop / restart / status / logs / upgrade / uninstall； 检查架构和配置，自动导入镜像，替换容器时保留旧容器以便回退，数据永远保留，日志轮转 - 修正 bubblewrap 的可用性判断：以前只看有没有装 bwrap，容器里和 Ubuntu 24.04 默认配置下装了却建不了命名空间， 每次执行代码都失败；现在真起一次试，不能用就退回下一个后端，并写明原因 - README 增加「生产部署」一节，部署细节见 deploy/README.md
106 lines
4.3 KiB
Python
106 lines
4.3 KiB
Python
"""装了 bwrap 不等于建得了隔离环境。
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Docker 默认的 seccomp 配置不许非特权进程建 user namespace，Ubuntu 24.04 的 AppArmor 默认也限制它。
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以前 available() 只看 bwrap 在不在：容器里 auto 选中 bubblewrap，每次执行都报
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「No permissions to create a new namespace」，而本地子进程明明能用。现在真起一次 bwrap 试，
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起不来就算不可用，auto 往下退。
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"""
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from __future__ import annotations
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import subprocess
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from typing import Any
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import pytest
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from app.sandbox import bubblewrap_sandbox as bw
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from app.sandbox import manager as mgr
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from app.sandbox.local_sandbox import LocalSandbox
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DENIED = (
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"bwrap: No permissions to create a new namespace, likely because the kernel does not "
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"allow non-privileged user namespaces.\n"
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)
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@pytest.fixture(autouse=True)
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def _fresh_probe(monkeypatch: pytest.MonkeyPatch):
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bw._probe.cache_clear()
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monkeypatch.setattr(bw, "_on_linux", lambda: True)
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yield
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bw._probe.cache_clear()
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def _fake_run(returncode: int, stderr: str = "", calls: list[Any] | None = None):
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def run(argv, **kwargs): # noqa: ANN001, ANN003, ANN202
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if calls is not None:
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calls.append(argv)
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return subprocess.CompletedProcess(argv, returncode, stdout="", stderr=stderr)
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return run
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def test_binary_present_but_namespaces_denied(monkeypatch: pytest.MonkeyPatch) -> None:
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calls: list[Any] = []
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monkeypatch.setattr(bw.shutil, "which", lambda name: f"/usr/bin/{name}")
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monkeypatch.setattr(bw.subprocess, "run", _fake_run(1, DENIED, calls))
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assert bw.BubblewrapSandbox.available() is False
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assert "No permissions" in bw.BubblewrapSandbox.probe_failure()
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# 探测真的在起 bwrap，并且带上执行时同样要用的命名空间和 /proc
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argv = calls[0]
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assert argv[0] == "/usr/bin/bwrap"
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assert "--unshare-all" in argv and "--proc" in argv
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# 结果缓存：内核和容器权限在进程生命周期里不会变
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bw.BubblewrapSandbox.available()
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assert len(calls) == 1
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async def test_health_explains_why(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setattr(bw.shutil, "which", lambda name: f"/usr/bin/{name}")
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monkeypatch.setattr(bw.subprocess, "run", _fake_run(1, DENIED))
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info = await bw.BubblewrapSandbox().health()
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assert info["available"] is False
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assert "No permissions" in info["error"]
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def test_binary_present_and_working(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setattr(bw.shutil, "which", lambda name: f"/usr/bin/{name}")
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monkeypatch.setattr(bw.subprocess, "run", _fake_run(0))
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assert bw.BubblewrapSandbox.available() is True
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assert bw.BubblewrapSandbox.probe_failure() == ""
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def test_probe_that_cannot_start_counts_as_unavailable(monkeypatch: pytest.MonkeyPatch) -> None:
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def boom(argv, **kwargs): # noqa: ANN001, ANN003, ANN202
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raise PermissionError(13, "Permission denied")
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monkeypatch.setattr(bw.shutil, "which", lambda name: f"/usr/bin/{name}")
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monkeypatch.setattr(bw.subprocess, "run", boom)
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assert bw.BubblewrapSandbox.available() is False
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def test_no_binary_skips_probe(monkeypatch: pytest.MonkeyPatch) -> None:
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calls: list[Any] = []
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monkeypatch.setattr(bw.shutil, "which", lambda name: None)
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monkeypatch.setattr(bw.subprocess, "run", _fake_run(0, calls=calls))
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assert bw.BubblewrapSandbox.available() is False
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assert bw.BubblewrapSandbox.probe_failure() == ""
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assert calls == []
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def test_auto_falls_back_to_local_and_says_why(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setattr(bw.shutil, "which", lambda name: f"/usr/bin/{name}")
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monkeypatch.setattr(bw.subprocess, "run", _fake_run(1, DENIED))
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monkeypatch.setattr(mgr.MicroVMSandbox, "available", staticmethod(lambda: False))
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monkeypatch.setattr(mgr.SeatbeltSandbox, "available", staticmethod(lambda: False))
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monkeypatch.setattr(mgr.settings, "sandbox_backend", "auto")
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manager = mgr.SandboxManager()
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backend = manager._resolve()
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assert isinstance(backend, LocalSandbox)
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assert "bwrap" in manager._resolved_from
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assert "本地子进程" in manager._resolved_from
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# 节点上选 fast 档也不能点到一个起不来的 bubblewrap
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monkeypatch.setattr(mgr.sys, "platform", "linux")
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assert manager._resolve_named("fast") is None
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