hermes-agent/tests/docker/test_log_dir_seed.py
Fangliquan ad84330ad0 fix(hermes_cli): heal root-owned logs/gateways on every stage2 boot
Without restartable log/run chown, warm volumes that keep a hermes-owned
HERMES_HOME but root-owned logs/gateways would again deny hermes mkdir.
Add a non-recursive stage2 parent heal and cover the poisoned-parent reboot path.
2026-07-27 19:19:01 +05:30

98 lines
3.3 KiB
Python

"""Runtime smoke test for Docker $HERMES_HOME/logs/gateways seeding.
Build the real image and verify logs/ and logs/gateways/ exist and are
owned by the hermes user after container boot.
Regression guard for #45258: if the first gateway log service runs in
root context, logs/gateways/ is created root-owned; every profile
registered later runs its log service as the dropped hermes user and
s6-log crash-loops on mkdir: Permission denied.
"""
from __future__ import annotations
from tests.docker.conftest import (
docker_exec_sh,
restart_container,
start_container,
)
def test_logs_gateways_seeded_and_hermes_owned(
built_image: str, container_name: str,
) -> None:
"""logs/ and logs/gateways/ must exist and be owned by hermes after boot."""
start_container(built_image, container_name)
# Both directories must exist
r = docker_exec_sh(
container_name,
"test -d /opt/data/logs && "
"test -d /opt/data/logs/gateways && "
"echo DIRS_OK || echo DIRS_MISSING",
timeout=10,
)
assert "DIRS_OK" in r.stdout, (
f"logs/ or logs/gateways/ not seeded: {r.stdout}"
)
# Both must be owned by hermes
r = docker_exec_sh(
container_name,
'logs_owner=$(stat -c "%U" /opt/data/logs); '
'gateways_owner=$(stat -c "%U" /opt/data/logs/gateways); '
'echo "logs=$logs_owner gateways=$gateways_owner"',
timeout=10,
)
assert "logs=hermes" in r.stdout, (
f"logs/ not owned by hermes: {r.stdout}"
)
assert "gateways=hermes" in r.stdout, (
f"logs/gateways/ not owned by hermes: {r.stdout}"
)
def test_logs_gateways_healed_when_parent_root_owned(
built_image: str, container_name: str,
) -> None:
"""Warm-boot stage2 must heal root-owned logs/gateways (#45258).
Mimics a poisoned volume: HERMES_HOME already hermes-owned (so the
bulk data-volume chown is skipped) while logs/gateways is root-owned.
Restartable log/run no longer root-chowns that path (symlink TOCTOU),
so stage2 must repair the parent on every boot.
"""
start_container(built_image, container_name)
poison = docker_exec_sh(
container_name,
"chown root:root /opt/data/logs/gateways && "
'home_owner=$(stat -c "%U" /opt/data); '
'gateways_owner=$(stat -c "%U" /opt/data/logs/gateways); '
'echo "home=$home_owner gateways=$gateways_owner"',
user="root",
timeout=10,
)
assert poison.returncode == 0, (poison.stdout, poison.stderr)
assert "home=hermes" in poison.stdout, poison.stdout
assert "gateways=root" in poison.stdout, poison.stdout
denied = docker_exec_sh(
container_name,
"mkdir -p /opt/data/logs/gateways/poison-probe 2>/dev/null "
"&& echo MKDIR_OK || echo MKDIR_DENIED",
timeout=10,
)
assert "MKDIR_DENIED" in denied.stdout, denied.stdout
restart_container(container_name)
healed = docker_exec_sh(
container_name,
'gateways_owner=$(stat -c "%U" /opt/data/logs/gateways); '
"mkdir -p /opt/data/logs/gateways/poison-probe && "
'echo "gateways=$gateways_owner MKDIR_OK"',
timeout=10,
)
assert healed.returncode == 0, (healed.stdout, healed.stderr)
assert "gateways=hermes" in healed.stdout, healed.stdout
assert "MKDIR_OK" in healed.stdout, healed.stdout