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fix(gateway): use setsid instead of systemd-run --user for /update (salvage #4024) (#4104)

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Salvaged from PR #4024 by @Sertug17. Fixes #4017.

- Replace systemd-run --user --scope with setsid for portable session detach
- Add system-level service detection to cmd_update gateway restart
- Falls back to start_new_session=True on systems without setsid (macOS, minimal containers)
This commit is contained in:
Teknium 2026-03-30 20:22:09 -07:00 • committed by GitHub
parent fb2af3bd1d
commit 83e5249be6
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4 changed files with 161 additions and 30 deletions
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109
tests/hermes_cli/test_update_gateway_restart.py
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@ -25,6 +25,8 @@ def _make_run_side_effect(
verify_ok=True,
commit_count="3",
systemd_active=False,
system_service_active=False,
system_restart_rc=0,
launchctl_loaded=False,
):
"""Build a subprocess.run side_effect that simulates git + service commands."""
@ -45,14 +47,23 @@ def _make_run_side_effect(
if "rev-list" in joined:
return subprocess.CompletedProcess(cmd, 0, stdout=f"{commit_count}\n", stderr="")
# systemctl --user is-active
# systemctl is-active — distinguish --user from system scope
if "systemctl" in joined and "is-active" in joined:
if systemd_active:
return subprocess.CompletedProcess(cmd, 0, stdout="active\n", stderr="")
return subprocess.CompletedProcess(cmd, 3, stdout="inactive\n", stderr="")
if "--user" in joined:
if systemd_active:
return subprocess.CompletedProcess(cmd, 0, stdout="active\n", stderr="")
return subprocess.CompletedProcess(cmd, 3, stdout="inactive\n", stderr="")
else:
# System-level check (no --user)
if system_service_active:
return subprocess.CompletedProcess(cmd, 0, stdout="active\n", stderr="")
return subprocess.CompletedProcess(cmd, 3, stdout="inactive\n", stderr="")
# systemctl --user restart
# systemctl restart — distinguish --user from system scope
if "systemctl" in joined and "restart" in joined:
if "--user" not in joined and system_service_active:
stderr = "" if system_restart_rc == 0 else "Failed to restart: Permission denied"
return subprocess.CompletedProcess(cmd, system_restart_rc, stdout="", stderr=stderr)
return subprocess.CompletedProcess(cmd, 0, stdout="", stderr="")
# launchctl list ai.hermes.gateway
@ -393,3 +404,91 @@ class TestCmdUpdateLaunchdRestart:
assert "Stopped gateway" not in captured
assert "Gateway restarted" not in captured
assert "Gateway restarted via launchd" not in captured
# ---------------------------------------------------------------------------
# cmd_update — system-level systemd service detection
# ---------------------------------------------------------------------------
class TestCmdUpdateSystemService:
"""cmd_update detects system-level gateway services where --user fails."""
@patch("shutil.which", return_value=None)
@patch("subprocess.run")
def test_update_detects_system_service_and_restarts(
self, mock_run, _mock_which, mock_args, capsys, monkeypatch,
):
"""When user systemd is inactive but a system service exists, restart via system scope."""
monkeypatch.setattr(gateway_cli, "is_macos", lambda: False)
monkeypatch.setattr(gateway_cli, "is_linux", lambda: True)
mock_run.side_effect = _make_run_side_effect(
commit_count="3",
systemd_active=False,
system_service_active=True,
)
with patch("gateway.status.get_running_pid", return_value=12345), \
patch("gateway.status.remove_pid_file"):
cmd_update(mock_args)
captured = capsys.readouterr().out
assert "system gateway service" in captured.lower()
assert "Gateway restarted (system service)" in captured
# Verify systemctl restart (no --user) was called
restart_calls = [
c for c in mock_run.call_args_list
if "restart" in " ".join(str(a) for a in c.args[0])
and "systemctl" in " ".join(str(a) for a in c.args[0])
and "--user" not in " ".join(str(a) for a in c.args[0])
]
assert len(restart_calls) == 1
@patch("shutil.which", return_value=None)
@patch("subprocess.run")
def test_update_system_service_restart_failure_shows_sudo_hint(
self, mock_run, _mock_which, mock_args, capsys, monkeypatch,
):
"""When system service restart fails (e.g. no root), show sudo hint."""
monkeypatch.setattr(gateway_cli, "is_macos", lambda: False)
monkeypatch.setattr(gateway_cli, "is_linux", lambda: True)
mock_run.side_effect = _make_run_side_effect(
commit_count="3",
systemd_active=False,
system_service_active=True,
system_restart_rc=1,
)
with patch("gateway.status.get_running_pid", return_value=12345), \
patch("gateway.status.remove_pid_file"):
cmd_update(mock_args)
captured = capsys.readouterr().out
assert "sudo systemctl restart" in captured
@patch("shutil.which", return_value=None)
@patch("subprocess.run")
def test_user_service_takes_priority_over_system(
self, mock_run, _mock_which, mock_args, capsys, monkeypatch,
):
"""When both user and system services are active, user wins."""
monkeypatch.setattr(gateway_cli, "is_macos", lambda: False)
monkeypatch.setattr(gateway_cli, "is_linux", lambda: True)
mock_run.side_effect = _make_run_side_effect(
commit_count="3",
systemd_active=True,
system_service_active=True,
)
with patch("gateway.status.get_running_pid", return_value=12345), \
patch("gateway.status.remove_pid_file"), \
patch("os.kill"):
cmd_update(mock_args)
captured = capsys.readouterr().out
# Should restart via user service, not system
assert "Gateway restarted." in captured
assert "(system service)" not in captured