mirror of
https://github.com/systemd/systemd
synced 2024-09-06 00:41:36 +00:00
412 lines
16 KiB
Python
Executable file
412 lines
16 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# SPDX-License-Identifier: LGPL-2.1+
|
|
#
|
|
# systemd-sysv-generator integration test
|
|
#
|
|
# © 2015 Canonical Ltd.
|
|
# Author: Martin Pitt <martin.pitt@ubuntu.com>
|
|
|
|
import collections
|
|
import os
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
import unittest
|
|
|
|
from configparser import RawConfigParser
|
|
from glob import glob
|
|
|
|
sysv_generator = './systemd-sysv-generator'
|
|
|
|
class MultiDict(collections.OrderedDict):
|
|
def __setitem__(self, key, value):
|
|
if isinstance(value, list) and key in self:
|
|
self[key].extend(value)
|
|
else:
|
|
super(MultiDict, self).__setitem__(key, value)
|
|
|
|
class SysvGeneratorTest(unittest.TestCase):
|
|
def setUp(self):
|
|
self.workdir = tempfile.mkdtemp(prefix='sysv-gen-test.')
|
|
self.init_d_dir = os.path.join(self.workdir, 'init.d')
|
|
os.mkdir(self.init_d_dir)
|
|
self.rcnd_dir = self.workdir
|
|
self.unit_dir = os.path.join(self.workdir, 'systemd')
|
|
os.mkdir(self.unit_dir)
|
|
self.out_dir = os.path.join(self.workdir, 'output')
|
|
os.mkdir(self.out_dir)
|
|
|
|
def tearDown(self):
|
|
shutil.rmtree(self.workdir)
|
|
|
|
#
|
|
# Helper methods
|
|
#
|
|
|
|
def run_generator(self, expect_error=False):
|
|
'''Run sysv-generator.
|
|
|
|
Fail if stderr contains any "Fail", unless expect_error is True.
|
|
Return (stderr, filename -> ConfigParser) pair with output to stderr and
|
|
parsed generated units.
|
|
'''
|
|
env = os.environ.copy()
|
|
env['SYSTEMD_LOG_LEVEL'] = 'debug'
|
|
env['SYSTEMD_LOG_TARGET'] = 'console'
|
|
env['SYSTEMD_SYSVINIT_PATH'] = self.init_d_dir
|
|
env['SYSTEMD_SYSVRCND_PATH'] = self.rcnd_dir
|
|
env['SYSTEMD_UNIT_PATH'] = self.unit_dir
|
|
gen = subprocess.Popen(
|
|
[sysv_generator, 'ignored', 'ignored', self.out_dir],
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
|
universal_newlines=True, env=env)
|
|
(out, err) = gen.communicate()
|
|
if not expect_error:
|
|
self.assertFalse('Fail' in err, err)
|
|
self.assertEqual(gen.returncode, 0, err)
|
|
|
|
results = {}
|
|
for service in glob(self.out_dir + '/*.service'):
|
|
if os.path.islink(service):
|
|
continue
|
|
try:
|
|
# for python3 we need here strict=False to parse multiple
|
|
# lines with the same key
|
|
cp = RawConfigParser(dict_type=MultiDict, strict=False)
|
|
except TypeError:
|
|
# RawConfigParser in python2 does not have the strict option
|
|
# but it allows multiple lines with the same key by default
|
|
cp = RawConfigParser(dict_type=MultiDict)
|
|
cp.optionxform = lambda o: o # don't lower-case option names
|
|
with open(service) as f:
|
|
cp.readfp(f)
|
|
results[os.path.basename(service)] = cp
|
|
|
|
return (err, results)
|
|
|
|
def add_sysv(self, fname, keys, enable=False, prio=1):
|
|
'''Create a SysV init script with the given keys in the LSB header
|
|
|
|
There are sensible default values for all fields.
|
|
If enable is True, links will be created in the rcN.d dirs. In that
|
|
case, the priority can be given with "prio" (default to 1).
|
|
|
|
Return path of generated script.
|
|
'''
|
|
name_without_sh = fname.endswith('.sh') and fname[:-3] or fname
|
|
keys.setdefault('Provides', name_without_sh)
|
|
keys.setdefault('Required-Start', '$local_fs')
|
|
keys.setdefault('Required-Stop', keys['Required-Start'])
|
|
keys.setdefault('Default-Start', '2 3 4 5')
|
|
keys.setdefault('Default-Stop', '0 1 6')
|
|
keys.setdefault('Short-Description', 'test {} service'.format(name_without_sh))
|
|
keys.setdefault('Description', 'long description for test {} service'.format(name_without_sh))
|
|
script = os.path.join(self.init_d_dir, fname)
|
|
with open(script, 'w') as f:
|
|
f.write('#!/bin/init-d-interpreter\n### BEGIN INIT INFO\n')
|
|
for k, v in keys.items():
|
|
if v is not None:
|
|
f.write('#{:>20} {}\n'.format(k + ':', v))
|
|
f.write('### END INIT INFO\ncode --goes here\n')
|
|
os.chmod(script, 0o755)
|
|
|
|
if enable:
|
|
def make_link(prefix, runlevel):
|
|
d = os.path.join(self.rcnd_dir, 'rc{}.d'.format(runlevel))
|
|
if not os.path.isdir(d):
|
|
os.mkdir(d)
|
|
os.symlink('../init.d/' + fname, os.path.join(d, prefix + fname))
|
|
|
|
for rl in keys['Default-Start'].split():
|
|
make_link('S%02i' % prio, rl)
|
|
for rl in keys['Default-Stop'].split():
|
|
make_link('K%02i' % (99 - prio), rl)
|
|
|
|
return script
|
|
|
|
def assert_enabled(self, unit, targets):
|
|
'''assert that a unit is enabled in precisely the given targets'''
|
|
|
|
all_targets = ['multi-user', 'graphical']
|
|
|
|
# should be enabled
|
|
for target in all_targets:
|
|
link = os.path.join(self.out_dir, '{}.target.wants'.format(target), unit)
|
|
if target in targets:
|
|
unit_file = os.readlink(link)
|
|
# os.path.exists() will fail on a dangling symlink
|
|
self.assertTrue(os.path.exists(link))
|
|
self.assertEqual(os.path.basename(unit_file), unit)
|
|
else:
|
|
self.assertFalse(os.path.exists(link),
|
|
'{} unexpectedly exists'.format(link))
|
|
|
|
#
|
|
# test cases
|
|
#
|
|
|
|
def test_nothing(self):
|
|
'''no input files'''
|
|
|
|
results = self.run_generator()[1]
|
|
self.assertEqual(results, {})
|
|
self.assertEqual(os.listdir(self.out_dir), [])
|
|
|
|
def test_simple_disabled(self):
|
|
'''simple service without dependencies, disabled'''
|
|
|
|
self.add_sysv('foo', {}, enable=False)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(len(results), 1)
|
|
|
|
# no enablement links or other stuff
|
|
self.assertEqual(os.listdir(self.out_dir), ['foo.service'])
|
|
|
|
s = results['foo.service']
|
|
self.assertEqual(s.sections(), ['Unit', 'Service'])
|
|
self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service')
|
|
# $local_fs does not need translation, don't expect any dependency
|
|
# fields here
|
|
self.assertEqual(set(s.options('Unit')),
|
|
set(['Documentation', 'SourcePath', 'Description']))
|
|
|
|
self.assertEqual(s.get('Service', 'Type'), 'forking')
|
|
init_script = os.path.join(self.init_d_dir, 'foo')
|
|
self.assertEqual(s.get('Service', 'ExecStart'),
|
|
'{} start'.format(init_script))
|
|
self.assertEqual(s.get('Service', 'ExecStop'),
|
|
'{} stop'.format(init_script))
|
|
|
|
self.assertNotIn('Overwriting', err)
|
|
|
|
def test_simple_enabled_all(self):
|
|
'''simple service without dependencies, enabled in all runlevels'''
|
|
|
|
self.add_sysv('foo', {}, enable=True)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
self.assert_enabled('foo.service', ['multi-user', 'graphical'])
|
|
self.assertNotIn('Overwriting', err)
|
|
|
|
def test_simple_escaped(self):
|
|
'''simple service without dependencies, that requires escaping the name'''
|
|
|
|
self.add_sysv('foo+', {})
|
|
self.add_sysv('foo-admin', {})
|
|
err, results = self.run_generator()
|
|
self.assertEqual(set(results), {'foo-admin.service', 'foo\\x2b.service'})
|
|
self.assertNotIn('Overwriting', err)
|
|
|
|
def test_simple_enabled_some(self):
|
|
'''simple service without dependencies, enabled in some runlevels'''
|
|
|
|
self.add_sysv('foo', {'Default-Start': '2 4'}, enable=True)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
self.assert_enabled('foo.service', ['multi-user'])
|
|
|
|
def test_lsb_macro_dep_single(self):
|
|
'''single LSB macro dependency: $network'''
|
|
|
|
self.add_sysv('foo', {'Required-Start': '$network'})
|
|
s = self.run_generator()[1]['foo.service']
|
|
self.assertEqual(set(s.options('Unit')),
|
|
set(['Documentation', 'SourcePath', 'Description', 'After', 'Wants']))
|
|
self.assertEqual(s.get('Unit', 'After'), 'network-online.target')
|
|
self.assertEqual(s.get('Unit', 'Wants'), 'network-online.target')
|
|
|
|
def test_lsb_macro_dep_multi(self):
|
|
'''multiple LSB macro dependencies'''
|
|
|
|
self.add_sysv('foo', {'Required-Start': '$named $portmap'})
|
|
s = self.run_generator()[1]['foo.service']
|
|
self.assertEqual(set(s.options('Unit')),
|
|
set(['Documentation', 'SourcePath', 'Description', 'After']))
|
|
self.assertEqual(s.get('Unit', 'After').split(), ['nss-lookup.target', 'rpcbind.target'])
|
|
|
|
def test_lsb_deps(self):
|
|
'''LSB header dependencies to other services'''
|
|
|
|
# also give symlink priorities here; they should be ignored
|
|
self.add_sysv('foo', {'Required-Start': 'must1 must2',
|
|
'Should-Start': 'may1 ne_may2'},
|
|
enable=True, prio=40)
|
|
self.add_sysv('must1', {}, enable=True, prio=10)
|
|
self.add_sysv('must2', {}, enable=True, prio=15)
|
|
self.add_sysv('may1', {}, enable=True, prio=20)
|
|
# do not create ne_may2
|
|
err, results = self.run_generator()
|
|
self.assertEqual(sorted(results),
|
|
['foo.service', 'may1.service', 'must1.service', 'must2.service'])
|
|
|
|
# foo should depend on all of them
|
|
self.assertEqual(sorted(results['foo.service'].get('Unit', 'After').split()),
|
|
['may1.service', 'must1.service', 'must2.service', 'ne_may2.service'])
|
|
|
|
# other services should not depend on each other
|
|
self.assertFalse(results['must1.service'].has_option('Unit', 'After'))
|
|
self.assertFalse(results['must2.service'].has_option('Unit', 'After'))
|
|
self.assertFalse(results['may1.service'].has_option('Unit', 'After'))
|
|
|
|
def test_symlink_prio_deps(self):
|
|
'''script without LSB headers use rcN.d priority'''
|
|
|
|
# create two init.d scripts without LSB header and enable them with
|
|
# startup priorities
|
|
for prio, name in [(10, 'provider'), (15, 'consumer')]:
|
|
with open(os.path.join(self.init_d_dir, name), 'w') as f:
|
|
f.write('#!/bin/init-d-interpreter\ncode --goes here\n')
|
|
os.fchmod(f.fileno(), 0o755)
|
|
|
|
d = os.path.join(self.rcnd_dir, 'rc2.d')
|
|
if not os.path.isdir(d):
|
|
os.mkdir(d)
|
|
os.symlink('../init.d/' + name, os.path.join(d, 'S{:>2}{}'.format(prio, name)))
|
|
|
|
err, results = self.run_generator()
|
|
self.assertEqual(sorted(results), ['consumer.service', 'provider.service'])
|
|
self.assertFalse(results['provider.service'].has_option('Unit', 'After'))
|
|
self.assertEqual(results['consumer.service'].get('Unit', 'After'),
|
|
'provider.service')
|
|
|
|
def test_multiple_provides(self):
|
|
'''multiple Provides: names'''
|
|
|
|
self.add_sysv('foo', {'Provides': 'foo bar baz'})
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
self.assertEqual(set(results['foo.service'].options('Unit')),
|
|
set(['Documentation', 'SourcePath', 'Description']))
|
|
# should create symlinks for the alternative names
|
|
for f in ['bar.service', 'baz.service']:
|
|
self.assertEqual(os.readlink(os.path.join(self.out_dir, f)),
|
|
'foo.service')
|
|
self.assertNotIn('Overwriting', err)
|
|
|
|
def test_provides_escaped(self):
|
|
'''a script that Provides: a name that requires escaping'''
|
|
|
|
self.add_sysv('foo', {'Provides': 'foo foo+'})
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
self.assertEqual(os.readlink(os.path.join(self.out_dir, 'foo\\x2b.service')),
|
|
'foo.service')
|
|
self.assertNotIn('Overwriting', err)
|
|
|
|
def test_same_provides_in_multiple_scripts(self):
|
|
'''multiple init.d scripts provide the same name'''
|
|
|
|
self.add_sysv('foo', {'Provides': 'foo common'}, enable=True, prio=1)
|
|
self.add_sysv('bar', {'Provides': 'bar common'}, enable=True, prio=2)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(sorted(results), ['bar.service', 'foo.service'])
|
|
# should create symlink for the alternative name for either unit
|
|
self.assertIn(os.readlink(os.path.join(self.out_dir, 'common.service')),
|
|
['foo.service', 'bar.service'])
|
|
|
|
def test_provide_other_script(self):
|
|
'''init.d scripts provides the name of another init.d script'''
|
|
|
|
self.add_sysv('foo', {'Provides': 'foo bar'}, enable=True)
|
|
self.add_sysv('bar', {'Provides': 'bar'}, enable=True)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(sorted(results), ['bar.service', 'foo.service'])
|
|
# we do expect an overwrite here, bar.service should overwrite the
|
|
# alias link from foo.service
|
|
self.assertIn('Overwriting', err)
|
|
|
|
def test_nonexecutable_script(self):
|
|
'''ignores non-executable init.d script'''
|
|
|
|
os.chmod(self.add_sysv('foo', {}), 0o644)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(results, {})
|
|
|
|
def test_sh_suffix(self):
|
|
'''init.d script with .sh suffix'''
|
|
|
|
self.add_sysv('foo.sh', {}, enable=True)
|
|
err, results = self.run_generator()
|
|
s = results['foo.service']
|
|
|
|
self.assertEqual(s.sections(), ['Unit', 'Service'])
|
|
# should not have a .sh
|
|
self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service')
|
|
|
|
# calls correct script with .sh
|
|
init_script = os.path.join(self.init_d_dir, 'foo.sh')
|
|
self.assertEqual(s.get('Service', 'ExecStart'),
|
|
'{} start'.format(init_script))
|
|
self.assertEqual(s.get('Service', 'ExecStop'),
|
|
'{} stop'.format(init_script))
|
|
|
|
self.assert_enabled('foo.service', ['multi-user', 'graphical'])
|
|
|
|
def test_sh_suffix_with_provides(self):
|
|
'''init.d script with .sh suffix and Provides:'''
|
|
|
|
self.add_sysv('foo.sh', {'Provides': 'foo bar'})
|
|
err, results = self.run_generator()
|
|
# ensure we don't try to create a symlink to itself
|
|
self.assertNotIn('itself', err)
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
self.assertEqual(results['foo.service'].get('Unit', 'Description'),
|
|
'LSB: test foo service')
|
|
|
|
# should create symlink for the alternative name
|
|
self.assertEqual(os.readlink(os.path.join(self.out_dir, 'bar.service')),
|
|
'foo.service')
|
|
|
|
def test_hidden_files(self):
|
|
'''init.d script with hidden file suffix'''
|
|
|
|
script = self.add_sysv('foo', {}, enable=True)
|
|
# backup files (not enabled in rcN.d/)
|
|
shutil.copy(script, script + '.dpkg-new')
|
|
shutil.copy(script, script + '.dpkg-dist')
|
|
shutil.copy(script, script + '.swp')
|
|
shutil.copy(script, script + '.rpmsave')
|
|
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), ['foo.service'])
|
|
|
|
self.assert_enabled('foo.service', ['multi-user', 'graphical'])
|
|
|
|
def test_backup_file(self):
|
|
'''init.d script with backup file'''
|
|
|
|
script = self.add_sysv('foo', {}, enable=True)
|
|
# backup files (not enabled in rcN.d/)
|
|
shutil.copy(script, script + '.bak')
|
|
shutil.copy(script, script + '.old')
|
|
shutil.copy(script, script + '.tmp')
|
|
shutil.copy(script, script + '.new')
|
|
|
|
err, results = self.run_generator()
|
|
print(err)
|
|
self.assertEqual(sorted(results), ['foo.service', 'foo.tmp.service'])
|
|
|
|
# ensure we don't try to create a symlink to itself
|
|
self.assertNotIn('itself', err)
|
|
|
|
self.assert_enabled('foo.service', ['multi-user', 'graphical'])
|
|
self.assert_enabled('foo.bak.service', [])
|
|
self.assert_enabled('foo.old.service', [])
|
|
|
|
def test_existing_native_unit(self):
|
|
'''existing native unit'''
|
|
|
|
with open(os.path.join(self.unit_dir, 'foo.service'), 'w') as f:
|
|
f.write('[Unit]\n')
|
|
|
|
self.add_sysv('foo.sh', {'Provides': 'foo bar'}, enable=True)
|
|
err, results = self.run_generator()
|
|
self.assertEqual(list(results), [])
|
|
# no enablement or alias links, as native unit is disabled
|
|
self.assertEqual(os.listdir(self.out_dir), [])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))
|