feat(chv-muse-round11): 执行器接 nspawn 单元（P2 差距表 §4）
客内 host.py 调用改为 chv-cell run -- python3 /app/host.py --state /home/chv/.codex/host-state.json --codex-home /home/chv/.codex --sandbox danger-full-access …，其余原参数 原样保留。--sandbox 放全局参数最后（argparse 后胜出）， 单元内恒为 danger-full-access，调用方 read-only 不得盖回 bwrap；非单元路径（本地/Docker/冷启动回落）不动。 开关 CHV_CELL_ENABLED：只认 0/1，默认 1 开；非法值 ValueError（_to_switch 同款口径）。关时走原命令，给 lite10 及更早无单元的旧镜像留逃生口。 测试：新 test_chv_muse_round11_cell.py 7 项（开/关 argv、 原参数保留、sandbox 只在单元路径、非法值报错、SSH 层 接线）；test_host_command_options_identical_across_executors 显式关单元测三执行器参数全等，断言本身未动。 全量 cloud 套件 2011 OK（skipped=8）。
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"""round-11 集成补洞：执行器接 nspawn 单元（P2 差距表 §4）。
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只测 _guest_host_command 的命令构造与 CHV_CELL_ENABLED 开关：
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单元开（默认）时 host.py 调用改为 chv-cell run -- python3
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/app/host.py --state … --codex-home … --sandbox
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danger-full-access …；单元关时走原命令；非法开关值即
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ValueError。只用 mock，不启动真实 VM、不连真实网络。
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"""
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import os
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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try:
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from cloud.chv import CloudHypervisorExecutor
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except ImportError: # discover -s cloud/tests 时把项目根目录补进 sys.path
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sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
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from cloud.chv import CloudHypervisorExecutor
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class FakeResult:
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def __init__(self, returncode=0, stdout="", stderr=""):
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self.returncode = returncode
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self.stdout = stdout
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self.stderr = stderr
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class FakeProc:
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def __init__(self, alive=True):
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self._alive = alive
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def poll(self):
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return None if self._alive else 1
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def _write(path, data=b"x"):
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with open(path, "wb") as fh:
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fh.write(data)
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return path
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class CellCase(unittest.TestCase):
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def setUp(self):
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self.tmp = tempfile.TemporaryDirectory()
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self.dir = self.tmp.name
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self.binary = _write(os.path.join(self.dir, "cloud-hypervisor"))
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self.ch_remote = _write(os.path.join(self.dir, "ch-remote"))
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self.kernel = _write(os.path.join(self.dir, "vmlinux"))
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self.rootfs = _write(os.path.join(self.dir, "disk.raw"),
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b"R" * 100)
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self.ssh_key = _write(os.path.join(self.dir, "id_chv"))
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self.kvm = _write(os.path.join(self.dir, "kvm"))
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self.cpuinfo = os.path.join(self.dir, "cpuinfo")
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with open(self.cpuinfo, "w") as fh:
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fh.write("flags : fpu vmx sse\n")
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self.state_dir = os.path.join(self.dir, "state")
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def tearDown(self):
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self.tmp.cleanup()
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def make_exec(self, env_extra=None):
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env = {"CHV_EGRESS_PROXY": "http://10.0.0.1:8888",
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"CHV_HOST_KEY_MODE": "keyscan",
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"CHV_SSH_FORWARD": "1"}
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if env_extra:
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env.update(env_extra)
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return CloudHypervisorExecutor(
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binary=self.binary, ch_remote=self.ch_remote,
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kernel=self.kernel, rootfs=self.rootfs,
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ssh_key=self.ssh_key, kvm_path=self.kvm,
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cpuinfo_path=self.cpuinfo, state_dir=self.state_dir,
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runner=lambda cmd, timeout=None: FakeResult(0, "", ""),
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launcher=lambda cmd: FakeProc(alive=True),
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api_client=lambda *a, **k: (200, {}),
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sleeper=lambda s: None, env=env)
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class CellCommandTest(CellCase):
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def test_cell_on_by_default(self):
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# 开关未设即默认开：完整命令与契约示例一致。
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ex = self.make_exec()
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cmd = ex._guest_host_command("status", "--task", "t1")
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self.assertEqual(cmd, [
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"chv-cell", "run", "--",
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"python3", "/app/host.py",
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"--state", "/home/chv/.codex/host-state.json",
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"--codex-home", "/home/chv/.codex",
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"--sandbox", "danger-full-access",
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"status", "--task", "t1"])
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def test_cell_on_explicit_1(self):
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ex = self.make_exec(env_extra={"CHV_CELL_ENABLED": "1"})
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cmd = ex._guest_host_command("status", "--task", "t1")
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self.assertEqual(cmd[:3], ["chv-cell", "run", "--"])
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self.assertIn("--sandbox", cmd)
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self.assertEqual(
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cmd[cmd.index("--sandbox") + 1], "danger-full-access")
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def test_cell_off_returns_original_command(self):
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# 关时走原命令：一个 token 也不多不少（旧镜像逃生口）。
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ex = self.make_exec(env_extra={"CHV_CELL_ENABLED": "0"})
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cmd = ex._guest_host_command("status", "--task", "t1")
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self.assertEqual(cmd, ["python3", "/app/host.py",
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"status", "--task", "t1"])
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self.assertNotIn("chv-cell", cmd)
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self.assertNotIn("--state", cmd)
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self.assertNotIn("--codex-home", cmd)
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self.assertNotIn("--sandbox", cmd)
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def test_cell_on_preserves_original_params(self):
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# 原参数一个不少：model/provider/effort/approval/
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# 调用方 sandbox 与子命令全部保留且顺序不变；强制的
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# danger-full-access 放全局参数最后，盖过调用方的
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# read-only（argparse 后胜出），read-only 本身仍在。
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ex = self.make_exec()
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cmd = ex._guest_host_command(
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"dispatch", "--name", "t", "--task", "x",
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model="m1", effort="low", approval="ask",
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model_provider="sub2api", sandbox="read-only")
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self.assertEqual(cmd, [
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"chv-cell", "run", "--",
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"python3", "/app/host.py",
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"--state", "/home/chv/.codex/host-state.json",
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"--codex-home", "/home/chv/.codex",
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"--model", "m1",
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"--model-provider", "sub2api",
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"--effort", "low",
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"--approval-policy", "untrusted",
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"--sandbox", "read-only",
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"--sandbox", "danger-full-access",
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"dispatch", "--name", "t", "--task", "x"])
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# --state/--codex-home 紧跟 host.py 路径。
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host_idx = cmd.index("/app/host.py")
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self.assertEqual(
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cmd[host_idx + 1:host_idx + 5],
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["--state", "/home/chv/.codex/host-state.json",
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"--codex-home", "/home/chv/.codex"])
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def test_sandbox_only_in_cell_path(self):
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# 调用方没给 sandbox、approval 也没带时：单元路径
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# 有且仅有一个 --sandbox（danger-full-access），
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# 非单元路径一个也没有。
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cell_on = self.make_exec()
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on_cmd = cell_on._guest_host_command("status", "--task", "t1")
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self.assertEqual(on_cmd.count("--sandbox"), 1)
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self.assertEqual(
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on_cmd[on_cmd.index("--sandbox") + 1],
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"danger-full-access")
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cell_off = self.make_exec(
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env_extra={"CHV_CELL_ENABLED": "0"})
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off_cmd = cell_off._guest_host_command(
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"status", "--task", "t1")
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self.assertEqual(off_cmd.count("--sandbox"), 0)
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def test_cell_invalid_value_raises(self):
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# 只认 0/1：非法值即 ValueError，不静默 fallback。
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for bad in ("yes", "2", "", " true"):
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ex = self.make_exec(
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env_extra={"CHV_CELL_ENABLED": bad})
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with self.assertRaises(ValueError):
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ex._guest_host_command("status", "--task", "t1")
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def test_cell_wiring_reaches_ssh_command(self):
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# 接线落到 SSH 层：build_ssh_command 的远端命令里
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# chv-cell 前缀在、python3 在其后。
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ex = self.make_exec()
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inner = ex._guest_host_command("status", "--task", "t1")
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cmd = ex.build_ssh_command({"id": "t1"}, inner)
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self.assertIn("chv-cell", cmd)
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self.assertIn("danger-full-access", cmd)
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self.assertLess(cmd.index("chv-cell"), cmd.index("python3"))
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if __name__ == "__main__":
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unittest.main()
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@@ -244,7 +244,14 @@ class SharedGoalTest(unittest.TestCase):
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chv = ChvOptCase()
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chv.setUp()
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try:
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ex = chv.make_exec()
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# 单元路径（CHV_CELL_ENABLED 默认开）有意加 CHV
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# 专属 argv：chv-cell 前缀 + --state/--codex-home
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# + 强制 --sandbox danger-full-access，三执行器
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# 顶层参数全等只在非单元路径上有意义，故这里显式
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# 关单元；单元路径的“原参数一个不少”由
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# test_chv_muse_round11_cell.py 钉死。
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ex = chv.make_exec(
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env_extra={"CHV_CELL_ENABLED": "0"})
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local = LocalExecutor("/tmp/host.py")
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docker = DockerExecutor()
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for kwargs in (
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