Files
codex-app-server/cloud/tests/test_chv_fix.py
T
host 99d9e5771b merge(chv-hybrid): 合入 B 轨——租约 + 排队 + 升级提示 + 网关门
合入 feat-chv-hybrid-b (667a427)。executor.py 两处内容冲突按 hunk
解决,全部取 B 侧;合入时发现 merge 复制出第二个 suspend_after_task
定义(A 版截断体),已删除。

集成统一(A/B 语义冲突三处,设计 §4.1 的 state 模型为准):
- state 模型:A 的 flag 模型(resident: True + legacy state)与 B
  的 state 模型(state ∈ resident-active/paused/hibernated/demoted)
  统一为 state 模型;_mark_resident_record 标记常驻时同时置
  resident-active,_ensure_resident_capacity 同时认 flag 与 state。
- 容量等待:A 的 bool 版 _wait_for_capacity 改名 _poll_capacity,
  B 的 raise 版保留原名;_wait_for_resident_slot 豁免已有常驻登记
  的租户(它已占一个槽位,再等等于把自己的槽位算成满——A 轨
  test_resident_cap_blocks_new_resident 第二腿在合入时因此失败,
  已修并通过)。
- 档位大小写:A 用小写 paid/heavy,B 用 Paid/Heavy;比较一律走
  _norm_tier + HYBRID_RESIDENT_TIERS(resident_tier_eligible 与
  promote_to_resident 两处),fail-closed 语义不变。
- 严格快照校验翻为默认开启(设计 §2.2):_snapshot_strict_tenant
  默认 True,显式 CHV_SNAPSHOT_STRICT_TENANT=0 才关闭;旧恢复
  测试的 fixture 已登记带匹配 tenant 的快照,A 轨 legacy 测试改
  为显式 opt-out 覆盖。

生产接线:worker 只调 dispatch_task,dispatch_task_hybrid 在生产
路径上无调用方;dispatch_task 顶部加一道门,warm_pool_size>=1 时
走 dispatch_task_hybrid,==0 时保持旧冷启语义(不成环:hybrid 的
<=0 分支退化为 dispatch_task_persistent,后者 <=0 调回 dispatch_task)。

旧网关测试更新(B 的语义变更):test_worker_gateway_guard_allows_chv
前加常驻登记;新增 test_worker_gateway_guard_denies_pool_vm。

测试:test_chv_hybrid_a/b 64 项 + 受影响旧测试 16 项(Gateway、
RestoreNoFallback、RestoreSnapshotTest)全部通过;全量待跑。
2026-11-08 22:00:12 +00:00

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"""CHV 审核修复轨测试(堆叠于 #230,base=feat-chv-gaps)。
只用标准库与 mock runner/launcher/api_client,绝不启动真实
VM:当前环境没有可跑真 VM 的宿主。真实 VM 启动、seed 盘
在真机上的 cloud-init 应用、SSH 可达实测一律不在本文件
声称已验证;本文件只证明代码层面的接线(VmConfig 含 seed
盘、restore 不回落、reuse 拦截、SSH 目标解析、配额/快照/
API 完整性等)成立。
"""
import json
import os
import socket
import sys
import tempfile
import threading
import unittest
from unittest import mock
from pathlib import Path
from types import SimpleNamespace
try:
from cloud.chv.api_client import _unix_socket_api
from cloud.chv.disk import (check_disk_quota, provision_task_disk,
record_snapshot)
from cloud.chv.executor import write_persistent_vm
from cloud.chv.hostkeys import build_seed_disk, seed_disk_path
from cloud.chv.experimental_pool import WarmPool
from cloud.sandbox import (
ChvFailure,
CloudHypervisorExecutor,
)
from cloud.worker import Worker
except ImportError:
sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
from cloud.chv.api_client import _unix_socket_api
from cloud.chv.disk import (check_disk_quota, provision_task_disk,
record_snapshot)
from cloud.chv.executor import write_persistent_vm
from cloud.chv.hostkeys import build_seed_disk, seed_disk_path
from cloud.chv.experimental_pool import WarmPool
from cloud.sandbox import (
ChvFailure,
CloudHypervisorExecutor,
)
from cloud.worker import Worker
class FakeResult:
def __init__(self, returncode=0, stdout="", stderr=""):
self.returncode = returncode
self.stdout = stdout
self.stderr = stderr
class FakeProc:
def __init__(self, alive=True):
self._alive = alive
def poll(self):
return None if self._alive else 1
def terminate(self):
self._alive = False
def wait(self, timeout=None):
return 0
def kill(self):
self._alive = False
def _write(path, content=b"x"):
with open(path, "wb") as fh:
fh.write(content)
os.chmod(path, 0o755)
return path
class ChvFixCase(unittest.TestCase):
def setUp(self):
self.tmp = tempfile.TemporaryDirectory()
self.dir = self.tmp.name
self.binary = _write(os.path.join(self.dir, "cloud-hypervisor"))
self.ch_remote = _write(os.path.join(self.dir, "ch-remote"))
self.kernel = _write(os.path.join(self.dir, "vmlinux"))
self.rootfs = _write(os.path.join(self.dir, "disk.raw"),
b"R" * 100)
self.ssh_key = _write(os.path.join(self.dir, "id_chv"))
self.kvm = _write(os.path.join(self.dir, "kvm"))
self.cpuinfo = os.path.join(self.dir, "cpuinfo")
with open(self.cpuinfo, "w") as fh:
fh.write("flags : fpu vmx sse\n")
self.state_dir = os.path.join(self.dir, "state")
self.calls = []
self.api_calls = []
self.api_payloads = {}
self.audit = []
def tearDown(self):
self.tmp.cleanup()
def _default_runner(self, cmd, timeout=None):
self.calls.append(list(cmd))
if cmd and cmd[0] == "ssh":
if cmd[-1] == "true":
return FakeResult(0, "", "")
if "goal" in cmd:
return FakeResult(0, "goal met after rounds\n", "")
return FakeResult(0, "", "")
if cmd and cmd[0] == "ssh-keygen":
priv = cmd[cmd.index("-f") + 1]
with open(priv, "w") as fh:
fh.write("-----BEGIN OPENSSH PRIVATE KEY-----\nFAKE\n")
os.chmod(priv, 0o600)
with open(priv + ".pub", "w") as fh:
fh.write("ssh-ed25519 AAAAfake1 vm-key\n")
return FakeResult(0, "", "")
if cmd and cmd[0] == "genisoimage":
out = cmd[cmd.index("-output") + 1]
with open(out, "wb") as fh:
fh.write(b"CIDATA" * 16)
return FakeResult(0, "", "")
return FakeResult(0, "", "")
def _default_api(self, socket_path, method, path, payload=None):
self.api_calls.append((method, path))
if path == "/vm.create":
self.api_payloads["vm.create"] = payload
return (200, {})
def make_exec(self, runner=None, env_extra=None, **overrides):
env = {"CHV_EGRESS_PROXY": "http://10.0.0.1:8888",
"CHV_SSH_FORWARD": "1"}
if env_extra:
env.update(env_extra)
kwargs = dict(
binary=self.binary, ch_remote=self.ch_remote,
kernel=self.kernel, rootfs=self.rootfs,
ssh_key=self.ssh_key, kvm_path=self.kvm,
cpuinfo_path=self.cpuinfo, state_dir=self.state_dir,
runner=runner or self._default_runner,
launcher=lambda cmd: FakeProc(alive=True),
api_client=self._default_api,
sleeper=lambda s: None, env=env)
kwargs.update(overrides)
ex = CloudHypervisorExecutor(**kwargs)
ex.audit_callback = lambda e, t, d, k=None: self.audit.append(
(e, t.get("id") if isinstance(t, dict) else t, d, k))
return ex
# -- P0-1 seed 磁盘接入 -------------------------------------------------
class SeedDiskTest(ChvFixCase):
def test_vm_config_carries_seed_disk_readonly(self):
ex = self.make_exec()
# feat-chv-secfix(L2):磁盘路径须在 state_dir 内,
# 旧 /tmp/x 路径不再合法,改用 state_dir 下路径。
disk = os.path.join(self.state_dir, "x", "disk.raw")
seed = os.path.join(self.state_dir, "x", "seed.iso")
cfg = ex.build_vm_config(disk, seed_disk=seed)
self.assertEqual(len(cfg["disks"]), 2)
self.assertEqual(cfg["disks"][1]["path"], seed)
self.assertTrue(cfg["disks"][1]["readonly"])
# CHV 54 要求磁盘显式 image_type(缺了 vm.boot 400)。
self.assertEqual(cfg["disks"][0]["image_type"], "Raw")
self.assertEqual(cfg["disks"][1]["image_type"], "Raw")
cfg2 = ex.build_vm_config(disk)
self.assertEqual(len(cfg2["disks"]), 1)
def test_vm_config_rejects_disk_outside_state_dir(self):
ex = self.make_exec()
with self.assertRaises(ChvFailure) as ctx:
ex.build_vm_config("/tmp/x/disk.raw")
self.assertEqual(ctx.exception.kind, "disk_path_not_allowed")
def test_provisioned_wake_mounts_seed_disk(self):
ex = self.make_exec(
env_extra={"CHV_HOST_KEY_MODE": "provisioned"})
out = ex.wake_vm({"id": "seed1"})
self.assertEqual(out["state"], "running")
payload = self.api_payloads["vm.create"]
self.assertEqual(len(payload["disks"]), 3)
seed_disk = payload["disks"][1]["path"]
self.assertTrue(seed_disk.endswith("seed.iso"))
self.assertTrue(payload["disks"][1]["readonly"])
self.assertTrue(os.path.exists(seed_disk))
# 第三盘是数据盘(阶段 1:copy 模式也挂数据盘)。
self.assertTrue(payload["disks"][2]["path"].endswith(
"data.raw"))
self.assertEqual(payload["disks"][2]["image_type"], "Raw")
self.assertIn("genisoimage", [c[0] for c in self.calls])
def test_seed_disk_build_failure_is_fail_fast(self):
def bad_runner(cmd, timeout=None):
self.calls.append(list(cmd))
if cmd and cmd[0] == "genisoimage":
return FakeResult(1, "", "no genisoimage")
return self._default_runner(cmd, timeout)
ex = self.make_exec(
runner=bad_runner,
env_extra={"CHV_HOST_KEY_MODE": "provisioned"})
with self.assertRaises(RuntimeError):
ex.wake_vm({"id": "seedfail"})
# 制盘失败在起 VMM 之前,不应走到 vm.create。
self.assertNotIn("/vm.create",
[p for _, p in self.api_calls])
def test_build_seed_disk_rejects_missing_product(self):
with self.assertRaises(RuntimeError):
build_seed_disk(self.dir, os.path.join(self.dir, "no.iso"),
runner=lambda cmd: FakeResult(0, "", ""))
# -- P0-2 restore 不回落 ------------------------------------------------
class RestoreNoFallbackTest(ChvFixCase):
def test_wait_guest_ready_provisioned_missing_known_hosts(self):
ex = self.make_exec(
env_extra={"CHV_HOST_KEY_MODE": "provisioned"})
with self.assertRaises(ChvFailure) as ctx:
ex.wait_guest_ready({"id": "nopin"})
self.assertEqual(ctx.exception.kind, "host_key_not_pinned")
self.assertFalse(any(c[0] == "ssh-keyscan" for c in self.calls))
def test_restore_provisioned_missing_known_hosts_fails_before_launch(self):
ex = self.make_exec(
env_extra={"CHV_HOST_KEY_MODE": "provisioned"})
launches = []
ex.launcher = lambda cmd: launches.append(cmd) or FakeProc(True)
# feat-chv-secfix(L2):恢复源须在白名单目录内,
# 本测试的意图是“起 VMM 前失败”,用 state_dir 下路径。
snap_url = "file://" + os.path.join(self.state_dir, "snap", "x")
# 严格快照校验(设计 §2.2,默认开启):恢复须登记带
# tenant_id 且与请求方一致;本测试意图是 known-hosts
# 门,登记与请求方同租户 p1 后流程才走到该门。
record_snapshot(self.state_dir, "chv-r1", snap_url, 20.0,
tenant_id="p1")
with self.assertRaises(ChvFailure) as ctx:
ex.restore_vm({"id": "r1", "project_id": "p1"}, snap_url)
self.assertEqual(ctx.exception.kind, "host_key_not_pinned")
self.assertEqual(launches, [])
# -- P0-3 reuse 拦截 ----------------------------------------------------
class ReuseBlockTest(ChvFixCase):
def test_reuse_blocked_without_experiment_flag(self):
ex = self.make_exec(env_extra={"CHV_DISK_MODE": "reuse"})
with self.assertRaises(ChvFailure) as ctx:
ex.preflight()
self.assertEqual(ctx.exception.kind,
"disk_mode_reuse_blocked")
def test_reuse_passes_with_experiment_flag_and_is_audited(self):
ex = self.make_exec(env_extra={
"CHV_DISK_MODE": "reuse",
"CHV_REUSE_SINGLE_TENANT_EXPERIMENT": "1",
# feat-chv-secfix(M6):实验放行还须声明单租户项目。
"CHV_SINGLE_TENANT_PROJECT": "p1"})
self.assertTrue(ex.preflight())
out = ex.wake_vm({"id": "reuse1"})
self.assertEqual(out["state"], "running")
self.assertTrue(any(e == "disk_reuse_experiment_allowed"
for e, _, _, _ in self.audit))
# -- P0-4 SSH 目标解析 --------------------------------------------------
class SshTargetTest(ChvFixCase):
def test_explicit_host_wins(self):
ex = self.make_exec(ssh_host="10.9.8.7")
self.assertEqual(ex.resolve_ssh_host(), "10.9.8.7")
def test_net_guest_ip_used_when_no_explicit_host(self):
ex = self.make_exec(env_extra={
"CHV_NET_JSON": '[{"tap": "", "ip": "192.168.100.5",'
'"mask": "255.255.255.0"}]',
"CHV_SSH_FORWARD": "0"})
# env_extra 覆盖 forward=0 后仍应走 net ip,不报未声明。
self.assertEqual(ex.resolve_ssh_host(), "192.168.100.5")
cmd = ex.build_ssh_command({"id": "t"}, ["true"])
self.assertIn("root@192.168.100.5", " ".join(cmd))
def test_undeclared_target_is_fail_fast(self):
ex = self.make_exec(env_extra={"CHV_SSH_FORWARD": "0"})
with self.assertRaises(ChvFailure) as ctx:
ex.resolve_ssh_host()
self.assertEqual(ctx.exception.kind, "ssh_target_undeclared")
def test_forward_attestation_allows_loopback(self):
ex = self.make_exec()
self.assertEqual(ex.resolve_ssh_host(), "127.0.0.1")
# -- P1-1 网关 extra_env ------------------------------------------------
class GatewayExtraEnvTest(ChvFixCase):
def test_chv_ssh_command_carries_extra_env(self):
# feat-chv-secfix(H2):密钥值绝不再进 argv。
# 非密钥 extra_env 仍走 env 前缀;密钥子集须 seed
# 投递后才 source 客内文件(见 worker 网关测试)。
ex = self.make_exec()
cmd = ex.build_ssh_command({"id": "t"}, ["true"],
extra_env={"SUB2API_BASE_URL":
"http://gw/"})
joined = " ".join(cmd)
self.assertIn("SUB2API_BASE_URL=http://gw/", joined)
self.assertIn("HTTPS_PROXY=http://10.0.0.1:8888", joined)
with self.assertRaises(ChvFailure):
ex.build_ssh_command({"id": "t"}, ["true"],
extra_env={"SUB2API_API_KEY": "k1"})
def test_worker_gateway_guard_allows_chv(self):
from cloud.server import init_db
db_path = os.path.join(self.dir, "control.db")
init_db(db_path)
ex = self.make_exec()
# 混合模式网关分流(设计 §6):网关任务只接常驻 VM。
# 本测试的租户 p1(project_id → tenant)须有常驻有效态
# 登记 + Paid 档位,否则 _check_gateway_vm_class 以
# gateway_pool_denied 拒绝;池 VM 拒绝腿见下一测试。
write_persistent_vm(self.state_dir, "p1", {
"vm": "chv-persist-p1", "tenant_id": "p1",
"state": "resident-active", "tier": "Paid",
"origin": "task", "gitea_synced": False})
worker = Worker(db_path, "/fake/host.py", executor=ex,
env={"XCM_API_KEY": "test-placeholder"})
task = {"id": "gw1", "project_id": "p1", "prompt": "做目标",
"goal_mode": 1,
"_gateway_provider": "sub2api",
"_gateway_env": {"SUB2API_API_KEY": "gwkey",
"SUB2API_BASE_URL": "http://gw/"}}
result, error = worker._run_attempt(task)
self.assertIsNone(error)
self.assertEqual(result["status"], "completed")
ssh_calls = [c for c in self.calls if c and c[0] == "ssh"]
# feat-chv-secfix(H2):密钥值不得出现在任何 ssh
# argv 里;远程命令改为 source 客内 seed 密钥文件。
self.assertFalse(any("SUB2API_API_KEY=gwkey" in " ".join(c)
for c in ssh_calls))
self.assertTrue(any("/etc/chv/guest-env" in " ".join(c)
for c in ssh_calls))
# 任务结束 stop 后 seed 目录与宿主私钥均已清(H3/H5;
# seed 内容本身的断言见 test_chv_secfix 的直接
# provision_host_key 测试,stop 前 seed 仍在)。
self.assertFalse(os.path.exists(
os.path.join(self.state_dir, "chv-gw1", "seed")))
self.assertFalse(os.path.exists(
os.path.join(self.state_dir, "chv-gw1",
"ssh_host_ed25519_key")))
def test_worker_gateway_guard_denies_pool_vm(self):
# 混合模式网关分流(设计 §6):无常驻租约的网关任务
# 走池即以 gateway_pool_denied 明确拒绝,不偷偷放行。
ex = self.make_exec()
task = {"id": "gw2", "project_id": "p1", "prompt": "做目标",
"goal_mode": 1,
"_gateway_provider": "sub2api",
"_gateway_env": {"SUB2API_API_KEY": "gwkey",
"SUB2API_BASE_URL": "http://gw/"}}
with self.assertRaises(ChvFailure) as ctx:
ex.dispatch_task(task)
self.assertEqual(ctx.exception.kind, "gateway_pool_denied")
# -- P1-2 取消/清理/看门狗 ----------------------------------------------
class CancelCleanupTest(ChvFixCase):
def test_worker_cancel_calls_cancel_vm(self):
from cloud.server import init_db
db_path = os.path.join(self.dir, "control.db")
init_db(db_path)
ex = self.make_exec()
cancelled = []
ex.cancel_vm = lambda name: cancelled.append(name) or True
worker = Worker(db_path, "/fake/host.py", executor=ex,
env={"XCM_API_KEY": "test-placeholder"})
worker._running_set("t-cancel")
import sqlite3, time
conn = sqlite3.connect(db_path)
conn.execute(
"INSERT INTO tasks(id, project_id, prompt, status,"
" idempotency_key, depends_on, priority, created_by,"
" created_at, updated_at, last_heartbeat)"
" VALUES(?, ?, ?, ?, NULL, ?, ?, 'tester', ?, ?, NULL)",
("t-cancel", "p1", "做事", "running", "[]", 0,
time.time(), time.time()))
conn.commit()
conn.close()
self.assertTrue(worker.cancel("t-cancel"))
self.assertEqual(cancelled, ["t-cancel"])
def test_worker_cleanup_calls_cleanup_stale_vms(self):
from cloud.server import init_db
db_path = os.path.join(self.dir, "control.db")
init_db(db_path)
ex = self.make_exec()
ex.cleanup_stale_vms = lambda: ["chv-stale"]
worker = Worker(db_path, "/fake/host.py", executor=ex,
env={"XCM_API_KEY": "test-placeholder"})
self.assertIn("chv-stale", worker.cleanup_stale_containers())
def test_chv_cancel_watchdog_kills_vm_on_cancel(self):
import threading
from cloud.server import init_db
db_path = os.path.join(self.dir, "control.db")
init_db(db_path)
ex = self.make_exec()
killed = []
ex.cancel_vm = lambda name: killed.append(name) or True
worker = Worker(db_path, "/fake/host.py", executor=ex,
env={"XCM_API_KEY": "test-placeholder"})
worker._cancel_requested.add("t-wd")
stop = threading.Event()
worker._chv_cancel_watchdog("t-wd", "chv-t-wd", stop)
self.assertEqual(killed, ["chv-t-wd"])
# -- P1-3 WarmPool acquire resume ---------------------------------------
class PoolAcquireResumeTest(unittest.TestCase):
def test_acquire_resumes_paused_vm(self):
class Stub:
def __init__(self):
self.resumed = []
self.state_dir = None
self.warm_pool_size = 1
self.snapshot_url = "file:///snap/base"
def vm_name(self, task):
raw = task.get("id") if isinstance(task, dict) \
else str(task)
return raw if raw.startswith("chv-") \
else "chv-" + raw
def wake_vm(self, task):
return {"vm": self.vm_name(task)}
def pause_vm(self, task):
return True
def resume_vm(self, task):
self.resumed.append(task["id"])
return True
def shutdown_vm(self, task_or_name):
return True
def _emit(self, event, task, detail="", kind=None):
pass
stub = Stub()
pool = WarmPool(stub, size=1, snapshot_url="file:///snap/base",
registry_path=None)
pool.prewarm()
got = pool.acquire({"id": "t1"})
self.assertEqual(got["mode"], "warm")
self.assertEqual(stub.resumed, ["warm-1"])
def test_acquire_discards_vm_whose_resume_fails(self):
class Stub:
def __init__(self):
self.state_dir = None
self.warm_pool_size = 1
self.snapshot_url = "file:///snap/base"
def vm_name(self, task):
raw = task.get("id") if isinstance(task, dict) \
else str(task)
return raw if raw.startswith("chv-") \
else "chv-" + raw
def wake_vm(self, task):
return {"vm": self.vm_name(task)}
def pause_vm(self, task):
return True
def resume_vm(self, task):
raise RuntimeError("resume 失败")
def shutdown_vm(self, task_or_name):
return True
def _emit(self, event, task, detail="", kind=None):
pass
pool = WarmPool(Stub(), size=1, snapshot_url="file:///snap/base",
registry_path=None)
pool.prewarm()
self.assertEqual(pool.acquire({"id": "t1"})["mode"], "cold")
# -- P1-4 容量持久化计数 -------------------------------------------------
class CapacityPersistentTest(ChvFixCase):
def test_socket_counts_after_restart(self):
# feat-chv-secfix(M7):只有真能连通的 socket 才
# 计数——用真实监听 socket 代表活 VMM。
ex = self.make_exec(env_extra={"CHV_MAX_VMS": "1"})
os.makedirs(self.state_dir, exist_ok=True)
sock_path = os.path.join(self.state_dir, "chv-other.sock")
srv = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
srv.bind(sock_path)
srv.listen(1)
try:
with self.assertRaises(ChvFailure) as ctx:
ex.wake_vm({"id": "new1"})
self.assertEqual(ctx.exception.kind, "host_capacity_exceeded")
finally:
srv.close()
def test_dead_socket_file_does_not_block(self):
# M7 的另一面:空文件/死 socket 不再占满容量。
ex = self.make_exec(env_extra={"CHV_MAX_VMS": "1"})
os.makedirs(self.state_dir, exist_ok=True)
with open(os.path.join(self.state_dir, "chv-other.sock"),
"w") as fh:
fh.write("")
out = ex.wake_vm({"id": "new1"})
self.assertEqual(out["state"], "running")
def test_own_socket_does_not_block_rewake(self):
ex = self.make_exec(env_extra={"CHV_MAX_VMS": "1"})
os.makedirs(self.state_dir, exist_ok=True)
with open(os.path.join(self.state_dir, "chv-t1.sock"),
"w") as fh:
fh.write("")
# 同任务重复 wake:自己的残留 socket 不计入容量。
out = ex.wake_vm({"id": "t1"})
self.assertEqual(out["state"], "running")
# -- P1-5 磁盘配额 -------------------------------------------------------
class DiskQuotaTest(ChvFixCase):
def test_unreadable_image_is_not_silently_skipped(self):
with self.assertRaises(ChvFailure) as ctx:
check_disk_quota("/nonexistent/disk.raw", 1.0)
self.assertEqual(ctx.exception.kind, "disk_quota_unverified")
def test_total_usage_over_quota(self):
os.makedirs(self.state_dir, exist_ok=True)
with open(os.path.join(self.state_dir, "old.raw"),
"wb") as fh:
fh.write(b"X" * 100)
# 配额 150 字节:已用 100 + 本次 100 > 150。
with self.assertRaises(ChvFailure) as ctx:
check_disk_quota(self.rootfs, 150 / (1024 ** 3),
state_dir=self.state_dir)
self.assertEqual(ctx.exception.kind, "disk_quota_exceeded")
def test_existing_disk_size_mismatch_is_recopied(self):
task_disk = provision_task_disk(self.state_dir, "chv-a",
self.rootfs, "copy")
with open(task_disk, "wb") as fh:
fh.write(b"Z" * 10)
task_disk2 = provision_task_disk(self.state_dir, "chv-a",
self.rootfs, "copy")
self.assertEqual(task_disk, task_disk2)
with open(task_disk2, "rb") as fh:
self.assertEqual(fh.read(), b"R" * 100)
# -- P1-6 API 截断 -------------------------------------------------------
class ApiTruncationTest(unittest.TestCase):
def _serve(self, raw):
tmp = tempfile.TemporaryDirectory()
sock_path = os.path.join(tmp.name, "vmm.sock")
srv = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
srv.bind(sock_path)
srv.listen(1)
def _run():
conn, _ = srv.accept()
try:
conn.recv(65536)
conn.sendall(raw)
finally:
conn.close()
srv.close()
threading.Thread(target=_run, daemon=True).start()
return tmp, sock_path
def test_truncated_body_raises(self):
body = b'{"ok": true}'
raw = (b"HTTP/1.1 200 OK\r\nContent-Length: 100\r\n\r\n"
+ body)
tmp, sock_path = self._serve(raw)
with self.assertRaises(RuntimeError):
_unix_socket_api(sock_path, "GET", "/vmm.ping")
tmp.cleanup()
def test_chunked_rejected(self):
raw = (b"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n"
b"5\r\nhello\r\n0\r\n\r\n")
tmp, sock_path = self._serve(raw)
with self.assertRaises(RuntimeError):
_unix_socket_api(sock_path, "GET", "/vmm.ping")
tmp.cleanup()
def test_full_body_parses(self):
body = b'{"ok": true}'
raw = (b"HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n"
% len(body)) + body
tmp, sock_path = self._serve(raw)
status, parsed = _unix_socket_api(sock_path, "GET", "/vmm.ping")
self.assertEqual(status, 200)
self.assertTrue(parsed["ok"])
tmp.cleanup()
# -- P1-7 快照落盘验证 ---------------------------------------------------
class SnapshotPersistTest(ChvFixCase):
def test_snapshot_missing_file_does_not_shutdown(self):
ex = self.make_exec()
# feat-chv-secfix(L2):快照须在白名单目录内,
# 用 state_dir 下的不存在路径,仍验 snapshot_not_persisted。
missing = os.path.join(self.state_dir, "missing.snap")
with self.assertRaises(ChvFailure) as ctx:
ex.hibernate_vm({"id": "h1"}, "file://" + missing)
self.assertEqual(ctx.exception.kind, "snapshot_not_persisted")
kinds = [c[-1] for c in self.calls if c[0] == self.ch_remote]
self.assertIn("pause", kinds)
self.assertNotIn("shutdown", kinds)
# -- P1-8 execute 死端口归类 ---------------------------------------------
class ExecuteDeadPortTest(ChvFixCase):
def test_dead_socket_ssh_failure_is_vm_not_running(self):
def raising_runner(cmd, timeout=None):
self.calls.append(list(cmd))
if cmd and cmd[0] == "ssh":
raise RuntimeError("connection refused")
return FakeResult(0, "", "")
ex = self.make_exec(runner=raising_runner)
os.makedirs(self.state_dir, exist_ok=True)
with open(os.path.join(self.state_dir, "chv-dead.sock"),
"w") as fh:
fh.write("")
ex._vms["chv-dead"] = FakeProc(alive=False)
with self.assertRaises(ChvFailure) as ctx:
ex.execute({"id": "dead"})
self.assertEqual(ctx.exception.kind, "vm_not_running")
# -- P2 配置校验时机 / 文档口径 ------------------------------------------
class ConfigTimingAndDocsTest(ChvFixCase):
def test_preflight_rejects_bad_cpu_and_memory(self):
ex = self.make_exec(cpus="abc")
with self.assertRaises(ChvFailure) as ctx:
ex.preflight()
self.assertEqual(ctx.exception.kind, "config_invalid")
ex2 = self.make_exec(memory="not-a-size")
with self.assertRaises(ChvFailure) as ctx2:
ex2.preflight()
self.assertEqual(ctx2.exception.kind, "config_invalid")
def test_stop_cleanup_failure_is_audited(self):
ex = self.make_exec()
ex.stop_vm({"id": "ck"})
os.makedirs(os.path.join(self.state_dir, "chv-ck", "seed"),
exist_ok=True)
with mock.patch("cloud.chv.executor.shutil.rmtree",
side_effect=OSError("rm failed")):
ex.stop_vm({"id": "ck"})
self.assertTrue(any(e == "vm_key_cleanup_failed"
for e, _, _, _ in self.audit))
def test_readme_sections_in_order_and_buildinfo_honest(self):
readme = Path(__file__).resolve().parents[2] \
/ "chv-guest" / "README.md"
text = readme.read_text()
self.assertLess(text.index("## 5. Host key"),
text.index("## 6. 与执行器的对接"))
self.assertIn("contents: [清单逐项名]", text)
self.assertIn("Node.js 不装", text)
def test_manual_vm_command_is_private(self):
ex = self.make_exec()
self.assertFalse(hasattr(ex, "build_vm_command"))
cmd = ex._build_vm_command({"id": "t"})
self.assertIn("--api-socket", cmd)
if __name__ == "__main__":
unittest.main()