mirror of
https://github.com/pewdiepie-archdaemon/odysseus.git
synced 2026-07-08 11:56:59 +00:00
Alexandre Teixeira
f38323c3a1
* fix(docker): make host socket compose opt-in * fix(cookbook): gate container Docker access * fix(docker): gate socket group setup on opt-in * fix(cookbook): gate generated docker exec serve commands * fix(cookbook): narrow generated docker exec forms
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
"""Policy checks for explicit host Docker access from a container."""
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import os
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import stat
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from collections.abc import Mapping
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HOST_DOCKER_ENV_VAR = "ODYSSEUS_ENABLE_HOST_DOCKER"
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HOST_DOCKER_SOCKET_PATH = "/var/run/docker.sock"
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HOST_DOCKER_ACCESS_HINT = (
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"Local Docker daemon access is disabled inside the Odysseus container; a "
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"Docker CLI alone is not enough. Default Docker Compose intentionally does "
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"not mount the host Docker socket. Raw socket access is high-trust and can "
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"grant broad control over the host Docker daemon. If you accept that risk, "
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"enable docker/host-docker.yml. Remote server Docker workflows over SSH "
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"remain preferred."
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)
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def running_in_container(
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dockerenv_path: str = "/.dockerenv",
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cgroup_path: str = "/proc/1/cgroup",
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) -> bool:
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if os.path.exists(dockerenv_path):
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return True
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try:
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with open(cgroup_path, "r", encoding="utf-8") as handle:
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contents = handle.read()
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except OSError:
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return False
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return any(token in contents for token in ("docker", "containerd", "kubepods"))
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def host_docker_access_enabled(
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socket_path: str = HOST_DOCKER_SOCKET_PATH,
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*,
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environ: Mapping[str, str] | None = None,
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) -> bool:
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env = os.environ if environ is None else environ
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if env.get(HOST_DOCKER_ENV_VAR, "").strip().lower() != "true":
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return False
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try:
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mode = os.stat(socket_path).st_mode
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except OSError:
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return False
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return stat.S_ISSOCK(mode)
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def local_docker_available(
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*,
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cli_available: bool,
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in_container: bool | None = None,
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environ: Mapping[str, str] | None = None,
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socket_path: str = HOST_DOCKER_SOCKET_PATH,
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) -> bool:
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if not cli_available:
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return False
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containerized = running_in_container() if in_container is None else in_container
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if not containerized:
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return True
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return host_docker_access_enabled(socket_path, environ=environ)
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