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https://github.com/systemd/systemd-stable.git
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52a321d839
test_simple_escaped() sometimes fails with AssertionError: Lists differ: ['foo\\x2b.service', 'foo-admin.service'] != ['foo-admin.service', 'foo\\x2b.service'] We don't need to assume any order here, so compare them as a set, not a list.
412 lines
16 KiB
Python
412 lines
16 KiB
Python
# systemd-sysv-generator integration test
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#
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# (C) 2015 Canonical Ltd.
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# Author: Martin Pitt <martin.pitt@ubuntu.com>
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# systemd is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with systemd; If not, see <http://www.gnu.org/licenses/>.
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import unittest
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import sys
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import os
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import subprocess
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import tempfile
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import shutil
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from glob import glob
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try:
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from configparser import RawConfigParser
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except ImportError:
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# python 2
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from ConfigParser import RawConfigParser
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sysv_generator = os.path.join(os.environ.get('builddir', '.'), 'systemd-sysv-generator')
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class SysvGeneratorTest(unittest.TestCase):
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def setUp(self):
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self.workdir = tempfile.mkdtemp(prefix='sysv-gen-test.')
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self.init_d_dir = os.path.join(self.workdir, 'init.d')
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os.mkdir(self.init_d_dir)
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self.rcnd_dir = self.workdir
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self.unit_dir = os.path.join(self.workdir, 'systemd')
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os.mkdir(self.unit_dir)
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self.out_dir = os.path.join(self.workdir, 'output')
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os.mkdir(self.out_dir)
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def tearDown(self):
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shutil.rmtree(self.workdir)
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#
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# Helper methods
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#
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def run_generator(self, expect_error=False):
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'''Run sysv-generator.
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Fail if stderr contains any "Fail", unless expect_error is True.
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Return (stderr, filename -> ConfigParser) pair with ouput to stderr and
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parsed generated units.
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'''
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env = os.environ.copy()
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env['SYSTEMD_LOG_LEVEL'] = 'debug'
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env['SYSTEMD_LOG_TARGET'] = 'console'
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env['SYSTEMD_SYSVINIT_PATH'] = self.init_d_dir
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env['SYSTEMD_SYSVRCND_PATH'] = self.rcnd_dir
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env['SYSTEMD_UNIT_PATH'] = self.unit_dir
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gen = subprocess.Popen(
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[sysv_generator, 'ignored', 'ignored', self.out_dir],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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universal_newlines=True, env=env)
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(out, err) = gen.communicate()
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if not expect_error:
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self.assertFalse('Fail' in err, err)
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self.assertEqual(gen.returncode, 0, err)
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results = {}
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for service in glob(self.out_dir + '/*.service'):
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if os.path.islink(service):
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continue
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cp = RawConfigParser()
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cp.optionxform = lambda o: o # don't lower-case option names
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with open(service) as f:
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cp.readfp(f)
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results[os.path.basename(service)] = cp
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return (err, results)
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def add_sysv(self, fname, keys, enable=False, prio=1):
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'''Create a SysV init script with the given keys in the LSB header
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There are sensible default values for all fields.
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If enable is True, links will be created in the rcN.d dirs. In that
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case, the priority can be given with "prio" (default to 1).
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Return path of generated script.
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'''
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name_without_sh = fname.endswith('.sh') and fname[:-3] or fname
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keys.setdefault('Provides', name_without_sh)
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keys.setdefault('Required-Start', '$local_fs')
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keys.setdefault('Required-Stop', keys['Required-Start'])
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keys.setdefault('Default-Start', '2 3 4 5')
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keys.setdefault('Default-Stop', '0 1 6')
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keys.setdefault('Short-Description', 'test %s service' %
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name_without_sh)
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keys.setdefault('Description', 'long description for test %s service' %
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name_without_sh)
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script = os.path.join(self.init_d_dir, fname)
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with open(script, 'w') as f:
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f.write('#!/bin/init-d-interpreter\n### BEGIN INIT INFO\n')
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for k, v in keys.items():
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if v is not None:
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f.write('#%20s %s\n' % (k + ':', v))
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f.write('### END INIT INFO\ncode --goes here\n')
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os.chmod(script, 0o755)
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if enable:
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def make_link(prefix, runlevel):
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d = os.path.join(self.rcnd_dir, 'rc%s.d' % runlevel)
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if not os.path.isdir(d):
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os.mkdir(d)
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os.symlink('../init.d/' + fname, os.path.join(d, prefix + fname))
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for rl in keys['Default-Start'].split():
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make_link('S%02i' % prio, rl)
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for rl in keys['Default-Stop'].split():
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make_link('K%02i' % (99 - prio), rl)
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return script
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def assert_enabled(self, unit, targets):
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'''assert that a unit is enabled in precisely the given targets'''
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all_targets = ['multi-user', 'graphical']
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# should be enabled
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for target in all_targets:
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link = os.path.join(self.out_dir, '%s.target.wants' % target, unit)
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if target in targets:
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unit_file = os.readlink(link)
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self.assertTrue(os.path.exists(unit_file))
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self.assertEqual(os.path.basename(unit_file), unit)
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else:
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self.assertFalse(os.path.exists(link),
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'%s unexpectedly exists' % link)
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#
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# test cases
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#
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def test_nothing(self):
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'''no input files'''
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results = self.run_generator()[1]
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self.assertEqual(results, {})
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self.assertEqual(os.listdir(self.out_dir), [])
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def test_simple_disabled(self):
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'''simple service without dependencies, disabled'''
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self.add_sysv('foo', {}, enable=False)
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err, results = self.run_generator()
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self.assertEqual(len(results), 1)
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# no enablement links or other stuff
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self.assertEqual(os.listdir(self.out_dir), ['foo.service'])
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s = results['foo.service']
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self.assertEqual(s.sections(), ['Unit', 'Service'])
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self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service')
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# $local_fs does not need translation, don't expect any dependency
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# fields here
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self.assertEqual(set(s.options('Unit')),
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set(['Documentation', 'SourcePath', 'Description']))
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self.assertEqual(s.get('Service', 'Type'), 'forking')
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init_script = os.path.join(self.init_d_dir, 'foo')
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self.assertEqual(s.get('Service', 'ExecStart'),
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'%s start' % init_script)
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self.assertEqual(s.get('Service', 'ExecStop'),
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'%s stop' % init_script)
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self.assertNotIn('Overwriting', err)
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def test_simple_enabled_all(self):
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'''simple service without dependencies, enabled in all runlevels'''
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self.add_sysv('foo', {}, enable=True)
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err, results = self.run_generator()
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self.assertEqual(list(results), ['foo.service'])
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self.assert_enabled('foo.service', ['multi-user', 'graphical'])
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self.assertNotIn('Overwriting', err)
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def test_simple_escaped(self):
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'''simple service without dependencies, that requires escaping the name'''
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self.add_sysv('foo+', {})
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self.add_sysv('foo-admin', {})
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err, results = self.run_generator()
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self.assertEqual(set(results), {'foo-admin.service', 'foo\\x2b.service'})
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self.assertNotIn('Overwriting', err)
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def test_simple_enabled_some(self):
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'''simple service without dependencies, enabled in some runlevels'''
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self.add_sysv('foo', {'Default-Start': '2 4'}, enable=True)
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err, results = self.run_generator()
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self.assertEqual(list(results), ['foo.service'])
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self.assert_enabled('foo.service', ['multi-user'])
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def test_lsb_macro_dep_single(self):
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'''single LSB macro dependency: $network'''
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self.add_sysv('foo', {'Required-Start': '$network'})
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s = self.run_generator()[1]['foo.service']
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self.assertEqual(set(s.options('Unit')),
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set(['Documentation', 'SourcePath', 'Description', 'After', 'Wants']))
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self.assertEqual(s.get('Unit', 'After'), 'network-online.target')
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self.assertEqual(s.get('Unit', 'Wants'), 'network-online.target')
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def test_lsb_macro_dep_multi(self):
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'''multiple LSB macro dependencies'''
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self.add_sysv('foo', {'Required-Start': '$named $portmap'})
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s = self.run_generator()[1]['foo.service']
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self.assertEqual(set(s.options('Unit')),
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set(['Documentation', 'SourcePath', 'Description', 'After']))
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self.assertEqual(s.get('Unit', 'After'), 'nss-lookup.target rpcbind.target')
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def test_lsb_deps(self):
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'''LSB header dependencies to other services'''
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# also give symlink priorities here; they should be ignored
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self.add_sysv('foo', {'Required-Start': 'must1 must2',
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'Should-Start': 'may1 ne_may2'},
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enable=True, prio=40)
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self.add_sysv('must1', {}, enable=True, prio=10)
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self.add_sysv('must2', {}, enable=True, prio=15)
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self.add_sysv('may1', {}, enable=True, prio=20)
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# do not create ne_may2
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err, results = self.run_generator()
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self.assertEqual(sorted(results),
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['foo.service', 'may1.service', 'must1.service', 'must2.service'])
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# foo should depend on all of them
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self.assertEqual(sorted(results['foo.service'].get('Unit', 'After').split()),
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['may1.service', 'must1.service', 'must2.service', 'ne_may2.service'])
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# other services should not depend on each other
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self.assertFalse(results['must1.service'].has_option('Unit', 'After'))
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self.assertFalse(results['must2.service'].has_option('Unit', 'After'))
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self.assertFalse(results['may1.service'].has_option('Unit', 'After'))
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def test_symlink_prio_deps(self):
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'''script without LSB headers use rcN.d priority'''
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# create two init.d scripts without LSB header and enable them with
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# startup priorities
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for prio, name in [(10, 'provider'), (15, 'consumer')]:
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with open(os.path.join(self.init_d_dir, name), 'w') as f:
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f.write('#!/bin/init-d-interpreter\ncode --goes here\n')
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os.fchmod(f.fileno(), 0o755)
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d = os.path.join(self.rcnd_dir, 'rc2.d')
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if not os.path.isdir(d):
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os.mkdir(d)
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os.symlink('../init.d/' + name, os.path.join(d, 'S%02i%s' % (prio, name)))
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err, results = self.run_generator()
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self.assertEqual(sorted(results), ['consumer.service', 'provider.service'])
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self.assertFalse(results['provider.service'].has_option('Unit', 'After'))
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self.assertEqual(results['consumer.service'].get('Unit', 'After'),
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'provider.service')
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def test_multiple_provides(self):
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'''multiple Provides: names'''
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self.add_sysv('foo', {'Provides': 'foo bar baz'})
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err, results = self.run_generator()
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self.assertEqual(list(results), ['foo.service'])
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self.assertEqual(set(results['foo.service'].options('Unit')),
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set(['Documentation', 'SourcePath', 'Description']))
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# should create symlinks for the alternative names
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for f in ['bar.service', 'baz.service']:
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self.assertEqual(os.readlink(os.path.join(self.out_dir, f)),
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'foo.service')
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self.assertNotIn('Overwriting', err)
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def test_provides_escaped(self):
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'''a script that Provides: a name that requires escaping'''
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self.add_sysv('foo', {'Provides': 'foo foo+'})
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err, results = self.run_generator()
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self.assertEqual(list(results), ['foo.service'])
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self.assertEqual(os.readlink(os.path.join(self.out_dir, 'foo\\x2b.service')),
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'foo.service')
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self.assertNotIn('Overwriting', err)
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def test_same_provides_in_multiple_scripts(self):
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'''multiple init.d scripts provide the same name'''
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self.add_sysv('foo', {'Provides': 'foo common'}, enable=True, prio=1)
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self.add_sysv('bar', {'Provides': 'bar common'}, enable=True, prio=2)
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err, results = self.run_generator()
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self.assertEqual(sorted(results), ['bar.service', 'foo.service'])
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# should create symlink for the alternative name for either unit
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self.assertIn(os.readlink(os.path.join(self.out_dir, 'common.service')),
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['foo.service', 'bar.service'])
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def test_provide_other_script(self):
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'''init.d scripts provides the name of another init.d script'''
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self.add_sysv('foo', {'Provides': 'foo bar'}, enable=True)
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self.add_sysv('bar', {'Provides': 'bar'}, enable=True)
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err, results = self.run_generator()
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self.assertEqual(sorted(results), ['bar.service', 'foo.service'])
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# we do expect an overwrite here, bar.service should overwrite the
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# alias link from foo.service
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self.assertIn('Overwriting', err)
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def test_nonexecutable_script(self):
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'''ignores non-executable init.d script'''
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os.chmod(self.add_sysv('foo', {}), 0o644)
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err, results = self.run_generator()
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self.assertEqual(results, {})
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def test_sh_suffix(self):
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'''init.d script with .sh suffix'''
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self.add_sysv('foo.sh', {}, enable=True)
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err, results = self.run_generator()
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s = results['foo.service']
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self.assertEqual(s.sections(), ['Unit', 'Service'])
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# should not have a .sh
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self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service')
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# calls correct script with .sh
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init_script = os.path.join(self.init_d_dir, 'foo.sh')
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self.assertEqual(s.get('Service', 'ExecStart'),
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'%s start' % init_script)
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self.assertEqual(s.get('Service', 'ExecStop'),
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'%s stop' % init_script)
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self.assert_enabled('foo.service', ['multi-user', 'graphical'])
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def test_sh_suffix_with_provides(self):
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'''init.d script with .sh suffix and Provides:'''
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self.add_sysv('foo.sh', {'Provides': 'foo bar'})
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err, results = self.run_generator()
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# ensure we don't try to create a symlink to itself
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self.assertNotIn('itself', err)
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self.assertEqual(list(results), ['foo.service'])
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self.assertEqual(results['foo.service'].get('Unit', 'Description'),
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'LSB: test foo service')
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# should create symlink for the alternative name
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self.assertEqual(os.readlink(os.path.join(self.out_dir, 'bar.service')),
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'foo.service')
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def test_hidden_files(self):
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'''init.d script with hidden file suffix'''
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script = self.add_sysv('foo', {}, enable=True)
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# backup files (not enabled in rcN.d/)
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shutil.copy(script, script + '.dpkg-new')
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shutil.copy(script, script + '.dpkg-dist')
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shutil.copy(script, script + '.swp')
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shutil.copy(script, script + '.rpmsave')
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err, results = self.run_generator()
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self.assertEqual(list(results), ['foo.service'])
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self.assert_enabled('foo.service', ['multi-user', 'graphical'])
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def test_backup_file(self):
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'''init.d script with backup file'''
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script = self.add_sysv('foo', {}, enable=True)
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# backup files (not enabled in rcN.d/)
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shutil.copy(script, script + '.bak')
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shutil.copy(script, script + '.old')
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err, results = self.run_generator()
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print(err)
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self.assertEqual(sorted(results),
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['foo.bak.service', 'foo.old.service', 'foo.service'])
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# ensure we don't try to create a symlink to itself
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self.assertNotIn('itself', err)
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self.assert_enabled('foo.service', ['multi-user', 'graphical'])
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self.assert_enabled('foo.bak.service', [])
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self.assert_enabled('foo.old.service', [])
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def test_existing_native_unit(self):
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'''existing native unit'''
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with open(os.path.join(self.unit_dir, 'foo.service'), 'w') as f:
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f.write('[Unit]\n')
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self.add_sysv('foo.sh', {'Provides': 'foo bar'}, enable=True)
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err, results = self.run_generator()
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self.assertEqual(list(results), [])
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# no enablement or alias links, as native unit is disabled
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self.assertEqual(os.listdir(self.out_dir), [])
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if __name__ == '__main__':
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unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))
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