autoinstall: Don't use snap env when invoking early and late commands
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parent
143d8e359a
commit
39f1ea9cb6
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@ -16,6 +16,7 @@
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import asyncio
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import os
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import shlex
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import shutil
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from typing import List, Sequence, Union
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import attr
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@ -25,7 +26,7 @@ from subiquity.common.types import ApplicationState
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from subiquity.server.controller import NonInteractiveController
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from subiquitycore.async_helpers import run_bg_task
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from subiquitycore.context import with_context
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from subiquitycore.utils import arun_command
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from subiquitycore.utils import arun_command, orig_environ
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@attr.s(auto_attribs=True)
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@ -78,6 +79,15 @@ class CmdListController(NonInteractiveController):
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env = self.env()
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for i, cmd in enumerate(tuple(self.builtin_cmds) + tuple(self.cmds)):
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desc = cmd.desc()
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# If the path to the command isn't found on the snap we should
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# drop the snap specific environment variables.
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command = shlex.split(desc)[0]
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path = shutil.which(command)
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if path is not None:
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if not path.startswith("/snap"):
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env = orig_environ(env)
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with context.child("command_{}".format(i), desc):
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args = cmd.as_args_list()
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if self.syslog_id:
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@ -0,0 +1,84 @@
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# Copyright 2023 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from unittest import IsolatedAsyncioTestCase, mock
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from subiquity.server.controllers import cmdlist
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from subiquity.server.controllers.cmdlist import (
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CmdListController,
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Command,
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EarlyController,
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LateController,
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)
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from subiquitycore.tests.mocks import make_app
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from subiquitycore.utils import orig_environ
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@mock.patch.object(cmdlist, "orig_environ", side_effect=orig_environ)
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@mock.patch.object(cmdlist, "arun_command")
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class TestCmdListController(IsolatedAsyncioTestCase):
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controller_type = CmdListController
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def setUp(self):
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self.controller = self.controller_type(make_app())
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self.controller.cmds = [Command(args="some-command", check=False)]
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snap_env = {
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"LD_LIBRARY_PATH": "/var/lib/snapd/lib/gl",
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}
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self.mocked_os_environ = mock.patch.dict("os.environ", snap_env)
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@mock.patch("shutil.which", return_value="/usr/bin/path/to/bin")
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async def test_no_snap_env_on_call(
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self,
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mocked_shutil,
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mocked_arun,
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mocked_orig_environ,
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):
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with self.mocked_os_environ:
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await self.controller.run()
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args, kwargs = mocked_arun.call_args
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call_env = kwargs["env"]
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mocked_orig_environ.assert_called()
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self.assertNotIn("LD_LIBRARY_PATH", call_env)
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@mock.patch("shutil.which", return_value="/snap/path/to/bin")
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async def test_with_snap_env_on_call(
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self,
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mocked_shutil,
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mocked_arun,
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mocked_orig_environ,
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):
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with self.mocked_os_environ:
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await self.controller.run()
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args, kwargs = mocked_arun.call_args
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call_env = kwargs["env"]
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mocked_orig_environ.assert_not_called()
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self.assertIn("LD_LIBRARY_PATH", call_env)
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class TestEarlyController(TestCmdListController):
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controller_type = EarlyController
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def setUp(self):
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super().setUp()
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class TestLateController(TestCmdListController):
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controller_type = LateController
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def setUp(self):
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super().setUp()
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@ -14,7 +14,7 @@
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import unittest
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from unittest.mock import AsyncMock, Mock
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from unittest.mock import AsyncMock
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import requests
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@ -43,4 +43,9 @@ def make_app(model=None):
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app.opts = mock.Mock()
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app.opts.dry_run = True
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app.scale_factor = 1000
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app.echo_syslog_id = None
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app.log_syslog_id = None
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app.report_start_event = mock.Mock()
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app.report_finish_event = mock.Mock()
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return app
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@ -19,7 +19,7 @@ import logging
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import os
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import random
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import subprocess
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from typing import Any, Dict, List, Sequence
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from typing import Any, Dict, List, Optional, Sequence
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log = logging.getLogger("subiquitycore.utils")
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@ -35,15 +35,18 @@ def _clean_env(env, *, locale=True):
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return env
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def orig_environ(env):
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def orig_environ(env: Optional[Dict[str, str]]) -> Dict[str, str]:
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"""Generate an environment dict that is suitable for use for running
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programs that live outside the snap."""
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if env is None:
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env = os.environ
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ret = env.copy()
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env: Dict[str, str] = os.environ
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ret: Dict[str, str] = env.copy()
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for key, val in env.items():
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if key.endswith("_ORIG"):
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key_to_restore = key[: -len("_ORIG")]
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key_to_restore: str = key[: -len("_ORIG")]
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if val:
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ret[key_to_restore] = val
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else:
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