mirror of
https://github.com/systemd/systemd
synced 2024-09-06 08:46:19 +00:00
224 lines
6.4 KiB
Python
Executable file
224 lines
6.4 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# SPDX-License-Identifier: LGPL-2.1+
|
|
#
|
|
# Copyright 2017 Michal Sekletar <msekleta@redhat.com>
|
|
#
|
|
# systemd is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation; either version 2.1 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# systemd is distributed in the hope that it will be useful, but
|
|
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# ATTENTION: This uses the *installed* systemd, not the one from the built
|
|
# source tree.
|
|
|
|
import unittest
|
|
import time
|
|
import os
|
|
import tempfile
|
|
import subprocess
|
|
|
|
from enum import Enum
|
|
|
|
class UnitFileChange(Enum):
|
|
NO_CHANGE = 0
|
|
LINES_SWAPPED = 1
|
|
COMMAND_ADDED_BEFORE = 2
|
|
COMMAND_ADDED_AFTER = 3
|
|
COMMAND_INTERLEAVED = 4
|
|
REMOVAL = 5
|
|
|
|
class ExecutionResumeTest(unittest.TestCase):
|
|
def setUp(self):
|
|
self.unit = 'test-issue-518.service'
|
|
self.unitfile_path = '/run/systemd/system/{0}'.format(self.unit)
|
|
self.output_file = tempfile.mktemp()
|
|
self.unit_files = {}
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/sleep 2
|
|
ExecStart=/bin/bash -c "echo foo >> {0}"
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.NO_CHANGE] = unit_file_content
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/bash -c "echo foo >> {0}"
|
|
ExecStart=/bin/sleep 2
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.LINES_SWAPPED] = unit_file_content
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/bash -c "echo bar >> {0}"
|
|
ExecStart=/bin/sleep 2
|
|
ExecStart=/bin/bash -c "echo foo >> {0}"
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.COMMAND_ADDED_BEFORE] = unit_file_content
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/sleep 2
|
|
ExecStart=/bin/bash -c "echo foo >> {0}"
|
|
ExecStart=/bin/bash -c "echo bar >> {0}"
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.COMMAND_ADDED_AFTER] = unit_file_content
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/bash -c "echo baz >> {0}"
|
|
ExecStart=/bin/sleep 2
|
|
ExecStart=/bin/bash -c "echo foo >> {0}"
|
|
ExecStart=/bin/bash -c "echo bar >> {0}"
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.COMMAND_INTERLEAVED] = unit_file_content
|
|
|
|
unit_file_content = '''
|
|
[Service]
|
|
Type=oneshot
|
|
ExecStart=/bin/bash -c "echo bar >> {0}"
|
|
ExecStart=/bin/bash -c "echo baz >> {0}"
|
|
'''.format(self.output_file)
|
|
self.unit_files[UnitFileChange.REMOVAL] = unit_file_content
|
|
|
|
def reload(self):
|
|
subprocess.check_call(['systemctl', 'daemon-reload'])
|
|
|
|
def write_unit_file(self, unit_file_change):
|
|
if not isinstance(unit_file_change, UnitFileChange):
|
|
raise ValueError('Unknown unit file change')
|
|
|
|
content = self.unit_files[unit_file_change]
|
|
|
|
with open(self.unitfile_path, 'w') as f:
|
|
f.write(content)
|
|
|
|
self.reload()
|
|
|
|
def check_output(self, expected_output):
|
|
try:
|
|
with open(self.output_file, 'r') as log:
|
|
output = log.read()
|
|
except IOError:
|
|
self.fail()
|
|
|
|
self.assertEqual(output, expected_output)
|
|
|
|
def setup_unit(self):
|
|
self.write_unit_file(UnitFileChange.NO_CHANGE)
|
|
subprocess.check_call(['systemctl', '--job-mode=replace', '--no-block', 'start', self.unit])
|
|
|
|
def test_no_change(self):
|
|
expected_output = 'foo\n'
|
|
|
|
self.setup_unit()
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.check_output(expected_output)
|
|
|
|
def test_swapped(self):
|
|
expected_output = ''
|
|
|
|
self.setup_unit()
|
|
self.write_unit_file(UnitFileChange.LINES_SWAPPED)
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.assertTrue(not os.path.exists(self.output_file))
|
|
|
|
def test_added_before(self):
|
|
expected_output = 'foo\n'
|
|
|
|
self.setup_unit()
|
|
self.write_unit_file(UnitFileChange.COMMAND_ADDED_BEFORE)
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.check_output(expected_output)
|
|
|
|
def test_added_after(self):
|
|
expected_output = 'foo\nbar\n'
|
|
|
|
self.setup_unit()
|
|
self.write_unit_file(UnitFileChange.COMMAND_ADDED_AFTER)
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.check_output(expected_output)
|
|
|
|
def test_interleaved(self):
|
|
expected_output = 'foo\nbar\n'
|
|
|
|
self.setup_unit()
|
|
self.write_unit_file(UnitFileChange.COMMAND_INTERLEAVED)
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.check_output(expected_output)
|
|
|
|
def test_removal(self):
|
|
self.setup_unit()
|
|
self.write_unit_file(UnitFileChange.REMOVAL)
|
|
self.reload()
|
|
time.sleep(4)
|
|
|
|
self.assertTrue(not os.path.exists(self.output_file))
|
|
|
|
def test_issue_6533(self):
|
|
unit = "test-issue-6533.service"
|
|
unitfile_path = "/run/systemd/system/{}".format(unit)
|
|
|
|
content = '''
|
|
[Service]
|
|
ExecStart=/bin/sleep 5
|
|
'''
|
|
|
|
with open(unitfile_path, 'w') as f:
|
|
f.write(content)
|
|
|
|
self.reload()
|
|
|
|
subprocess.check_call(['systemctl', '--job-mode=replace', '--no-block', 'start', unit])
|
|
time.sleep(2)
|
|
|
|
content = '''
|
|
[Service]
|
|
ExecStart=/bin/sleep 5
|
|
ExecStart=/bin/true
|
|
'''
|
|
|
|
with open(unitfile_path, 'w') as f:
|
|
f.write(content)
|
|
|
|
self.reload()
|
|
time.sleep(5)
|
|
|
|
self.assertTrue(subprocess.call("journalctl -b _PID=1 | grep -q 'Freezing execution'", shell=True) != 0)
|
|
|
|
def tearDown(self):
|
|
for f in [self.output_file, self.unitfile_path]:
|
|
try:
|
|
os.remove(f)
|
|
except OSError:
|
|
# ignore error if log file doesn't exist
|
|
pass
|
|
|
|
self.reload()
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|