forked from rpms/leapp-repository
109 lines
4.1 KiB
Diff
109 lines
4.1 KiB
Diff
From 32702c7c7d1c445b9ab95e0d1bbdfdf8f06d4303 Mon Sep 17 00:00:00 2001
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From: Petr Stodulka <pstodulk@redhat.com>
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Date: Wed, 27 Apr 2022 11:25:40 +0200
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Subject: [PATCH] Skip comment lines when parsing grub configuration file
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Added simple unit-test for default grub info to see the valid lines
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can be parsed as expected.
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---
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.../systemfacts/libraries/systemfacts.py | 21 ++++++++-
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.../tests/test_systemfacts_grub.py | 46 +++++++++++++++++++
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2 files changed, 65 insertions(+), 2 deletions(-)
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create mode 100644 repos/system_upgrade/common/actors/systemfacts/tests/test_systemfacts_grub.py
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diff --git a/repos/system_upgrade/common/actors/systemfacts/libraries/systemfacts.py b/repos/system_upgrade/common/actors/systemfacts/libraries/systemfacts.py
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index 0de8b383..81aea6f5 100644
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--- a/repos/system_upgrade/common/actors/systemfacts/libraries/systemfacts.py
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+++ b/repos/system_upgrade/common/actors/systemfacts/libraries/systemfacts.py
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@@ -9,6 +9,7 @@ import re
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import six
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from leapp import reporting
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+from leapp.exceptions import StopActorExecutionError
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from leapp.libraries.common import repofileutils
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from leapp.libraries.common.config import architecture
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from leapp.libraries.stdlib import api, CalledProcessError, run
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@@ -289,9 +290,25 @@ def _default_grub_info():
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])
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else:
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for line in run(['cat', default_grb_fpath], split=True)['stdout']:
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- if not line.strip():
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+ line = line.strip()
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+ if not line or line[0] == '#':
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+ # skip comments and empty lines
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continue
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- name, value = tuple(map(type(line).strip, line.split('=', 1)))
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+ try:
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+ name, value = tuple(map(type(line).strip, line.split('=', 1)))
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+ except ValueError as e:
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+ # we do not want to really continue when we cannot parse this file
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+ # TODO(pstodulk): rewrite this in the form we produce inhibitor
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+ # with problematic lines. This is improvement just in comparison
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+ # to the original hard crash.
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+ raise StopActorExecutionError(
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+ 'Failed parsing of {}'.format(default_grb_fpath),
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+ details={
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+ 'error': str(e),
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+ 'problematic line': str(line)
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+ }
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+ )
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+
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yield DefaultGrub(
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name=name,
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value=value
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diff --git a/repos/system_upgrade/common/actors/systemfacts/tests/test_systemfacts_grub.py b/repos/system_upgrade/common/actors/systemfacts/tests/test_systemfacts_grub.py
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new file mode 100644
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index 00000000..08552771
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/systemfacts/tests/test_systemfacts_grub.py
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@@ -0,0 +1,46 @@
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+import os
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+
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+from leapp.libraries.actor import systemfacts
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+from leapp.models import DefaultGrub
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+
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+
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+class RunMocked(object):
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+ def __init__(self, cmd_result):
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+ self.called = 0
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+ self.cmd_result = cmd_result
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+ self.split = False
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+ self.cmd = None
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+
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+ def __call__(self, cmd, split=False):
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+ self.cmd = cmd
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+ self.split = split
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+ self.called += 1
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+ return self.cmd_result
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+
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+
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+def test_default_grub_info_valid(monkeypatch):
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+ mocked_run = RunMocked({
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+ 'stdout': [
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+ 'line="whatever else here"',
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+ 'newline="whatever"',
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+ '# comment here',
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+ 'why_not=value',
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+ ' # whitespaces around comment ',
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+ ' ',
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+ ' last=last really'
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+ ],
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+ })
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+ expected_result = [
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+ DefaultGrub(name='line', value='"whatever else here"'),
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+ DefaultGrub(name='newline', value='"whatever"'),
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+ DefaultGrub(name='why_not', value='value'),
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+ DefaultGrub(name='last', value='last really'),
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+ ]
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+ monkeypatch.setattr(systemfacts, 'run', mocked_run)
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+ monkeypatch.setattr(os.path, 'isfile', lambda dummy: True)
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+ for msg in systemfacts._default_grub_info():
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+ expected_msg = expected_result.pop(0)
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+ assert msg.name == expected_msg.name
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+ assert msg.value == expected_msg.value
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+ assert mocked_run.called
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+ assert not expected_result
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--
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2.35.1
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