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fix: give each native install its own services, and guard the port

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From the outside-diff findings on #2800:

- Service names are derived from the install directory. A service manager has
  one namespace per user, so two installs in different --dir directories wrote
  over each other's units and down, status and uninstall acted on whichever was
  written last. The default install keeps the readable names; another directory
  gets a digest suffix.
- `up --native` refuses when a Docker stack in another directory publishes the
  same port: its API would answer the health check while these services failed
  to bind. The check degrades quietly when Docker is absent, which is exactly
  the machine a native install targets.
- A Redis database path is required to be ASCII digits: str.isdigit() is true
  for characters int() then refuses.
- DOCSGPT_PORT from a hand-edited .env is validated before conversion, and the
  error names where the bad value came from.
- Percent signs are doubled in systemd values, arguments and log paths, since
  systemd expands specifiers in all of them.
This commit is contained in:
Alex committed 2026-09-16 23:51:20 +01:00
1 parent c8ab1cbab2
commit 4976b3104c
3 files changed
+159 -33
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tests/deploy/test_native.py
+84 -14
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@@ -4,13 +4,14 @@ import json
import plistlib
import sys
import types
from pathlib import Path
import pytest
from docsgpt.deploy import envfile, native
from docsgpt.deploy import envfile, native, stack
from docsgpt.deploy.docker import DeployError
from .test_commands import FakePrompter, _context, _run
from .test_commands import FakeDocker, FakePrompter, _context, _run
class FakeServices:
@@ -44,6 +45,11 @@ class FakeServices:
return name in self.running
def _names(directory):
"""The two service names an install in ``directory`` gets; a second directory gets its own."""
return native.service_names(Path(directory), stack.stack_dir(None))
def _native_context(services=None, migrated=None, **overrides):
context = _context(**overrides)
context.services = services or FakeServices()
@@ -82,14 +88,15 @@ class TestNativeUp:
assert _run(["up", "--native", "--dir", str(tmp_path), "--yes",
"--postgres-uri", "postgresql://localhost/docsgpt"], context) == 0
assert any("migrate" in " ".join(call) for call in migrated), migrated
assert services.started == ["docsgpt-api", "docsgpt-worker"]
assert services.started == list(_names(tmp_path))
def test_the_units_run_this_interpreter_with_the_stack_as_its_home(self, tmp_path):
services = FakeServices()
assert _run(["up", "--native", "--dir", str(tmp_path), "--yes",
"--postgres-uri", "postgresql://localhost/docsgpt"], _native_context(services)) == 0
api = services.units["docsgpt-api"]
worker = services.units["docsgpt-worker"]
api_name, worker_name = _names(tmp_path)
api = services.units[api_name]
worker = services.units[worker_name]
assert api.arguments[-5:] == ["api", "--host", "127.0.0.1", "--port", "7091"]
assert worker.arguments[-1] == "worker"
for unit in (api, worker):
@@ -130,7 +137,7 @@ class TestNativeUp:
env = envfile.read(tmp_path / ".env")
assert env["DOCSGPT_PORT"] == "7099"
assert env["API_URL"] == "http://127.0.0.1:7099"
assert services.units["docsgpt-api"].arguments[-1] == "7099"
assert services.units[_names(tmp_path)[0]].arguments[-1] == "7099"
def test_it_refuses_to_run_beside_a_docker_install(self, tmp_path):
"""Native services on the same port would orphan the containers from down/status/uninstall."""
@@ -146,14 +153,14 @@ class TestNativeUp:
services = FakeServices()
argv = ["up", "--native", "--dir", str(tmp_path), "--yes", "--postgres-uri", "postgresql://localhost/d"]
assert _run(argv, _native_context(services)) == 0
assert services.units["docsgpt-api"].arguments[:3] == [sys.executable, "-m", "docsgpt"]
assert services.units[_names(tmp_path)[0]].arguments[:3] == [sys.executable, "-m", "docsgpt"]
def test_a_failed_start_leaves_an_install_the_other_commands_can_clean_up(self, tmp_path):
"""Without the record, half-started units are orphaned: status, down and uninstall refuse the dir."""
class FailingStart(FakeServices):
def start(self, name):
super().start(name)
if name == "docsgpt-worker":
if name == _names(tmp_path)[1]:
raise DeployError("systemctl could not start docsgpt-worker")
services = FailingStart()
@@ -162,7 +169,7 @@ class TestNativeUp:
_run(argv, _native_context(services))
assert json.loads((tmp_path / "install.json").read_text())["mode"] == "native"
assert _run(["uninstall", "--yes", "--dir", str(tmp_path)], _native_context(services)) == 0
assert sorted(services.removed) == ["docsgpt-api", "docsgpt-worker"]
assert sorted(services.removed) == sorted(_names(tmp_path))
def test_docker_only_options_are_refused_rather_than_ignored(self, tmp_path):
"""Asking for network exposure and silently getting loopback is the worst of both."""
@@ -225,6 +232,51 @@ class TestNativeUp:
with pytest.raises(DeployError, match="Redis URL"):
_run(argv, _native_context())
def test_a_port_that_is_not_a_number_is_reported(self, tmp_path):
"""A hand-edited DOCSGPT_PORT reached int() unchecked and came out as a traceback."""
argv = ["up", "--native", "--dir", str(tmp_path), "--yes", "--postgres-uri", "postgresql://localhost/d"]
assert _run([*argv, "--port", "7099"], _native_context()) == 0
envfile.update(tmp_path / ".env", {"DOCSGPT_PORT": "seven thousand"})
with pytest.raises(DeployError, match="not a port number"):
_run(["up", "--dir", str(tmp_path), "--yes"], _native_context())
def test_a_redis_database_that_int_would_reject_is_reported(self, tmp_path):
"""str.isdigit() is true for a superscript two, which int() then refuses."""
argv = ["up", "--native", "--dir", str(tmp_path), "--yes", "--postgres-uri", "postgresql://localhost/d",
"--redis-url", "redis://localhost:6379/\u00b2"]
with pytest.raises(DeployError, match="Redis URL"):
_run(argv, _native_context())
def test_two_installs_do_not_share_service_names(self, tmp_path):
"""A service manager has one namespace per user, so the second install would overwrite the first."""
installed = {}
for name in ("one", "two"):
directory = tmp_path / name
services = FakeServices()
argv = ["up", "--native", "--dir", str(directory), "--yes",
"--postgres-uri", "postgresql://localhost/d"]
assert _run(argv, _native_context(services)) == 0
installed[name] = set(services.units)
assert installed["one"].isdisjoint(installed["two"]), installed
def test_the_default_install_keeps_the_readable_names(self):
"""They are what shows up in launchctl and systemctl, so the usual install is not a digest."""
default = Path("/opt/docsgpt")
assert native.service_names(default, default) == ("docsgpt-api", "docsgpt-worker")
def test_a_docker_stack_elsewhere_on_the_same_port_is_refused(self, tmp_path):
"""Its API would answer the health check while these services quietly failed to bind."""
other = tmp_path / "docker-install"
other.mkdir()
(other / ".env").write_text("DOCSGPT_PORT=7099\n", encoding="utf-8")
context = _native_context(FakeServices(), docker=FakeDocker(project_dirs=[str(other)]))
directory = tmp_path / "native"
argv = ["up", "--native", "--dir", str(directory), "--yes", "--port", "7099",
"--postgres-uri", "postgresql://localhost/d"]
with pytest.raises(DeployError, match="already runs a DocsGPT stack"):
_run(argv, context)
assert not (directory / "install.json").exists(), "it refuses before recording the install"
def test_a_database_url_is_required(self, tmp_path):
with pytest.raises(DeployError, match="--postgres-uri"):
_run(["up", "--native", "--dir", str(tmp_path), "--yes"], _native_context())
@@ -286,14 +338,14 @@ class TestNativeLifecycle:
services = FakeServices()
self._installed(tmp_path, services)
assert _run(["down", "--dir", str(tmp_path)], _native_context(services)) == 0
assert services.stopped == ["docsgpt-worker", "docsgpt-api"], "the worker goes first"
assert services.stopped == list(reversed(_names(tmp_path))), "the worker goes first"
assert (tmp_path / ".env").is_file()
def test_uninstall_removes_the_services(self, tmp_path):
services = FakeServices()
self._installed(tmp_path, services)
assert _run(["uninstall", "--yes", "--dir", str(tmp_path)], _native_context(services)) == 0
assert sorted(services.removed) == ["docsgpt-api", "docsgpt-worker"]
assert sorted(services.removed) == sorted(_names(tmp_path))
def test_docker_commands_refuse_a_native_install(self, tmp_path, capsys):
self._installed(tmp_path, FakeServices())
@@ -404,7 +456,8 @@ class TestSystemd:
def test_install_writes_the_unit_and_reloads(self, tmp_path):
systemctl = FakeSystemctl()
services = self._services(systemctl, tmp_path)
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path)[0])
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path,
("docsgpt-api", "docsgpt-worker"))[0])
unit = tmp_path / ".config" / "systemd" / "user" / "docsgpt-api.service"
assert "ExecStart=/venv/bin/docsgpt api" in unit.read_text()
assert systemctl.verbs == ["daemon-reload"]
@@ -420,7 +473,8 @@ class TestSystemd:
def test_stop_and_remove(self, tmp_path):
systemctl = FakeSystemctl()
services = self._services(systemctl, tmp_path)
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path)[0])
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path,
("docsgpt-api", "docsgpt-worker"))[0])
unit = tmp_path / ".config" / "systemd" / "user" / "docsgpt-api.service"
services.stop("docsgpt-api")
assert unit.is_file(), "stopping keeps the unit"
@@ -451,7 +505,8 @@ class TestSystemd:
return types.SimpleNamespace(returncode=code, stdout="", stderr="Failed to disable")
services = self._services(Failing(), tmp_path)
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path)[0])
services.install(native.units_for(tmp_path, ["/venv/bin/docsgpt"], 7091, tmp_path,
("docsgpt-api", "docsgpt-worker"))[0])
with pytest.raises(DeployError, match="Failed to disable"):
services.remove("docsgpt-api")
assert (tmp_path / ".config" / "systemd" / "user" / "docsgpt-api.service").is_file()
@@ -557,6 +612,21 @@ class TestUnitFiles:
with pytest.raises(DeployError, match="control character"):
native.systemd_unit(unit)
def test_a_percent_sign_is_doubled_for_systemd(self, tmp_path):
"""systemd expands %h and friends, so a literal percent in a path has to be escaped."""
unit = native.Unit(
name="docsgpt-api",
arguments=["/venv/bin/docsgpt", "api", "--flag", "100%"],
environment={"DOCSGPT_HOME": "/srv/100% full"},
working_directory="/srv/100% full",
log_file="/srv/100% full/api.log",
)
body = native.systemd_unit(unit)
assert 'WorkingDirectory="/srv/100%% full"' in body
assert 'Environment="DOCSGPT_HOME=/srv/100%% full"' in body
assert "append:/srv/100%% full/api.log" in body
assert "100%%" in body.split("ExecStart=")[1].split("\n")[0]
def test_an_argument_with_spaces_survives_the_systemd_unit(self, tmp_path):
unit = self._unit(tmp_path)
unit.arguments = ["/opt/my venv/bin/docsgpt", "api"]