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e28aa588 MP |
1 | # systemd-sysv-generator integration test |
2 | # | |
3 | # (C) 2015 Canonical Ltd. | |
4 | # Author: Martin Pitt <martin.pitt@ubuntu.com> | |
5 | # | |
6 | # systemd is free software; you can redistribute it and/or modify it | |
7 | # under the terms of the GNU Lesser General Public License as published by | |
8 | # the Free Software Foundation; either version 2.1 of the License, or | |
9 | # (at your option) any later version. | |
10 | ||
11 | # systemd is distributed in the hope that it will be useful, but | |
12 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | # Lesser General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU Lesser General Public License | |
17 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | import unittest | |
20 | import sys | |
21 | import os | |
22 | import subprocess | |
23 | import tempfile | |
24 | import shutil | |
25 | from glob import glob | |
26 | ||
27 | try: | |
28 | from configparser import RawConfigParser | |
29 | except ImportError: | |
30 | # python 2 | |
31 | from ConfigParser import RawConfigParser | |
32 | ||
33 | sysv_generator = os.path.join(os.environ.get('builddir', '.'), 'systemd-sysv-generator') | |
34 | ||
35 | ||
36 | class SysvGeneratorTest(unittest.TestCase): | |
37 | def setUp(self): | |
38 | self.workdir = tempfile.mkdtemp(prefix='sysv-gen-test.') | |
39 | self.init_d_dir = os.path.join(self.workdir, 'init.d') | |
40 | os.mkdir(self.init_d_dir) | |
41 | self.rcnd_dir = self.workdir | |
42 | self.unit_dir = os.path.join(self.workdir, 'systemd') | |
43 | os.mkdir(self.unit_dir) | |
44 | self.out_dir = os.path.join(self.workdir, 'output') | |
45 | os.mkdir(self.out_dir) | |
46 | ||
47 | def tearDown(self): | |
48 | shutil.rmtree(self.workdir) | |
49 | ||
50 | # | |
51 | # Helper methods | |
52 | # | |
53 | ||
54 | def run_generator(self, expect_error=False): | |
55 | '''Run sysv-generator. | |
56 | ||
57 | Fail if stderr contains any "Fail", unless expect_error is True. | |
58 | Return (stderr, filename -> ConfigParser) pair with ouput to stderr and | |
59 | parsed generated units. | |
60 | ''' | |
61 | env = os.environ.copy() | |
62 | env['SYSTEMD_LOG_LEVEL'] = 'debug' | |
6b7d32ad | 63 | env['SYSTEMD_LOG_TARGET'] = 'console' |
e28aa588 MP |
64 | env['SYSTEMD_SYSVINIT_PATH'] = self.init_d_dir |
65 | env['SYSTEMD_SYSVRCND_PATH'] = self.rcnd_dir | |
66 | env['SYSTEMD_UNIT_PATH'] = self.unit_dir | |
67 | gen = subprocess.Popen( | |
68 | [sysv_generator, 'ignored', 'ignored', self.out_dir], | |
69 | stdout=subprocess.PIPE, stderr=subprocess.PIPE, | |
70 | universal_newlines=True, env=env) | |
71 | (out, err) = gen.communicate() | |
72 | if not expect_error: | |
73 | self.assertFalse('Fail' in err, err) | |
74 | self.assertEqual(gen.returncode, 0, err) | |
75 | ||
76 | results = {} | |
77 | for service in glob(self.out_dir + '/*.service'): | |
56401ac5 MP |
78 | if os.path.islink(service): |
79 | continue | |
e28aa588 MP |
80 | cp = RawConfigParser() |
81 | cp.optionxform = lambda o: o # don't lower-case option names | |
82 | with open(service) as f: | |
83 | cp.readfp(f) | |
84 | results[os.path.basename(service)] = cp | |
85 | ||
86 | return (err, results) | |
87 | ||
88 | def add_sysv(self, fname, keys, enable=False, prio=1): | |
89 | '''Create a SysV init script with the given keys in the LSB header | |
90 | ||
91 | There are sensible default values for all fields. | |
92 | If enable is True, links will be created in the rcN.d dirs. In that | |
93 | case, the priority can be given with "prio" (default to 1). | |
94 | ||
95 | Return path of generated script. | |
96 | ''' | |
97 | name_without_sh = fname.endswith('.sh') and fname[:-3] or fname | |
98 | keys.setdefault('Provides', name_without_sh) | |
99 | keys.setdefault('Required-Start', '$local_fs') | |
100 | keys.setdefault('Required-Stop', keys['Required-Start']) | |
101 | keys.setdefault('Default-Start', '2 3 4 5') | |
102 | keys.setdefault('Default-Stop', '0 1 6') | |
103 | keys.setdefault('Short-Description', 'test %s service' % | |
104 | name_without_sh) | |
105 | keys.setdefault('Description', 'long description for test %s service' % | |
106 | name_without_sh) | |
107 | script = os.path.join(self.init_d_dir, fname) | |
108 | with open(script, 'w') as f: | |
109 | f.write('#!/bin/init-d-interpreter\n### BEGIN INIT INFO\n') | |
110 | for k, v in keys.items(): | |
111 | if v is not None: | |
112 | f.write('#%20s %s\n' % (k + ':', v)) | |
113 | f.write('### END INIT INFO\ncode --goes here\n') | |
114 | os.chmod(script, 0o755) | |
115 | ||
116 | if enable: | |
117 | def make_link(prefix, runlevel): | |
118 | d = os.path.join(self.rcnd_dir, 'rc%s.d' % runlevel) | |
119 | if not os.path.isdir(d): | |
120 | os.mkdir(d) | |
121 | os.symlink('../init.d/' + fname, os.path.join(d, prefix + fname)) | |
122 | ||
123 | for rl in keys['Default-Start'].split(): | |
124 | make_link('S%02i' % prio, rl) | |
125 | for rl in keys['Default-Stop'].split(): | |
126 | make_link('K%02i' % (99 - prio), rl) | |
127 | ||
128 | return script | |
129 | ||
0377e373 MP |
130 | def assert_enabled(self, unit, targets): |
131 | '''assert that a unit is enabled in precisely the given targets''' | |
e28aa588 | 132 | |
0377e373 | 133 | all_targets = ['multi-user', 'graphical'] |
e28aa588 MP |
134 | |
135 | # should be enabled | |
0377e373 MP |
136 | for target in all_targets: |
137 | link = os.path.join(self.out_dir, '%s.target.wants' % target, unit) | |
138 | if target in targets: | |
139 | unit_file = os.readlink(link) | |
140 | self.assertTrue(os.path.exists(unit_file)) | |
141 | self.assertEqual(os.path.basename(unit_file), unit) | |
e28aa588 MP |
142 | else: |
143 | self.assertFalse(os.path.exists(link), | |
144 | '%s unexpectedly exists' % link) | |
145 | ||
146 | # | |
147 | # test cases | |
148 | # | |
149 | ||
150 | def test_nothing(self): | |
151 | '''no input files''' | |
152 | ||
153 | results = self.run_generator()[1] | |
154 | self.assertEqual(results, {}) | |
155 | self.assertEqual(os.listdir(self.out_dir), []) | |
156 | ||
157 | def test_simple_disabled(self): | |
158 | '''simple service without dependencies, disabled''' | |
159 | ||
160 | self.add_sysv('foo', {}, enable=False) | |
161 | err, results = self.run_generator() | |
162 | self.assertEqual(len(results), 1) | |
163 | ||
164 | # no enablement links or other stuff | |
165 | self.assertEqual(os.listdir(self.out_dir), ['foo.service']) | |
166 | ||
167 | s = results['foo.service'] | |
168 | self.assertEqual(s.sections(), ['Unit', 'Service']) | |
169 | self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service') | |
170 | # $local_fs does not need translation, don't expect any dependency | |
171 | # fields here | |
172 | self.assertEqual(set(s.options('Unit')), | |
173 | set(['Documentation', 'SourcePath', 'Description'])) | |
174 | ||
175 | self.assertEqual(s.get('Service', 'Type'), 'forking') | |
176 | init_script = os.path.join(self.init_d_dir, 'foo') | |
177 | self.assertEqual(s.get('Service', 'ExecStart'), | |
178 | '%s start' % init_script) | |
179 | self.assertEqual(s.get('Service', 'ExecStop'), | |
180 | '%s stop' % init_script) | |
181 | ||
4e558983 MP |
182 | self.assertNotIn('Overwriting', err) |
183 | ||
e28aa588 MP |
184 | def test_simple_enabled_all(self): |
185 | '''simple service without dependencies, enabled in all runlevels''' | |
186 | ||
187 | self.add_sysv('foo', {}, enable=True) | |
188 | err, results = self.run_generator() | |
189 | self.assertEqual(list(results), ['foo.service']) | |
0377e373 | 190 | self.assert_enabled('foo.service', ['multi-user', 'graphical']) |
4e558983 | 191 | self.assertNotIn('Overwriting', err) |
e28aa588 | 192 | |
264581a2 FS |
193 | def test_simple_escaped(self): |
194 | '''simple service without dependencies, that requires escaping the name''' | |
195 | ||
196 | self.add_sysv('foo+', {}) | |
197 | self.add_sysv('foo-admin', {}) | |
198 | err, results = self.run_generator() | |
52a321d8 | 199 | self.assertEqual(set(results), {'foo-admin.service', 'foo\\x2b.service'}) |
264581a2 FS |
200 | self.assertNotIn('Overwriting', err) |
201 | ||
e28aa588 MP |
202 | def test_simple_enabled_some(self): |
203 | '''simple service without dependencies, enabled in some runlevels''' | |
204 | ||
205 | self.add_sysv('foo', {'Default-Start': '2 4'}, enable=True) | |
206 | err, results = self.run_generator() | |
207 | self.assertEqual(list(results), ['foo.service']) | |
0377e373 | 208 | self.assert_enabled('foo.service', ['multi-user']) |
e28aa588 MP |
209 | |
210 | def test_lsb_macro_dep_single(self): | |
211 | '''single LSB macro dependency: $network''' | |
212 | ||
213 | self.add_sysv('foo', {'Required-Start': '$network'}) | |
214 | s = self.run_generator()[1]['foo.service'] | |
215 | self.assertEqual(set(s.options('Unit')), | |
216 | set(['Documentation', 'SourcePath', 'Description', 'After', 'Wants'])) | |
217 | self.assertEqual(s.get('Unit', 'After'), 'network-online.target') | |
218 | self.assertEqual(s.get('Unit', 'Wants'), 'network-online.target') | |
219 | ||
220 | def test_lsb_macro_dep_multi(self): | |
221 | '''multiple LSB macro dependencies''' | |
222 | ||
223 | self.add_sysv('foo', {'Required-Start': '$named $portmap'}) | |
224 | s = self.run_generator()[1]['foo.service'] | |
225 | self.assertEqual(set(s.options('Unit')), | |
226 | set(['Documentation', 'SourcePath', 'Description', 'After'])) | |
227 | self.assertEqual(s.get('Unit', 'After'), 'nss-lookup.target rpcbind.target') | |
228 | ||
229 | def test_lsb_deps(self): | |
230 | '''LSB header dependencies to other services''' | |
231 | ||
232 | # also give symlink priorities here; they should be ignored | |
233 | self.add_sysv('foo', {'Required-Start': 'must1 must2', | |
234 | 'Should-Start': 'may1 ne_may2'}, | |
235 | enable=True, prio=40) | |
236 | self.add_sysv('must1', {}, enable=True, prio=10) | |
237 | self.add_sysv('must2', {}, enable=True, prio=15) | |
238 | self.add_sysv('may1', {}, enable=True, prio=20) | |
239 | # do not create ne_may2 | |
240 | err, results = self.run_generator() | |
241 | self.assertEqual(sorted(results), | |
242 | ['foo.service', 'may1.service', 'must1.service', 'must2.service']) | |
243 | ||
244 | # foo should depend on all of them | |
245 | self.assertEqual(sorted(results['foo.service'].get('Unit', 'After').split()), | |
246 | ['may1.service', 'must1.service', 'must2.service', 'ne_may2.service']) | |
247 | ||
248 | # other services should not depend on each other | |
249 | self.assertFalse(results['must1.service'].has_option('Unit', 'After')) | |
250 | self.assertFalse(results['must2.service'].has_option('Unit', 'After')) | |
251 | self.assertFalse(results['may1.service'].has_option('Unit', 'After')) | |
252 | ||
253 | def test_symlink_prio_deps(self): | |
254 | '''script without LSB headers use rcN.d priority''' | |
255 | ||
256 | # create two init.d scripts without LSB header and enable them with | |
257 | # startup priorities | |
258 | for prio, name in [(10, 'provider'), (15, 'consumer')]: | |
259 | with open(os.path.join(self.init_d_dir, name), 'w') as f: | |
260 | f.write('#!/bin/init-d-interpreter\ncode --goes here\n') | |
261 | os.fchmod(f.fileno(), 0o755) | |
262 | ||
263 | d = os.path.join(self.rcnd_dir, 'rc2.d') | |
264 | if not os.path.isdir(d): | |
265 | os.mkdir(d) | |
266 | os.symlink('../init.d/' + name, os.path.join(d, 'S%02i%s' % (prio, name))) | |
267 | ||
268 | err, results = self.run_generator() | |
269 | self.assertEqual(sorted(results), ['consumer.service', 'provider.service']) | |
270 | self.assertFalse(results['provider.service'].has_option('Unit', 'After')) | |
271 | self.assertEqual(results['consumer.service'].get('Unit', 'After'), | |
272 | 'provider.service') | |
273 | ||
274 | def test_multiple_provides(self): | |
275 | '''multiple Provides: names''' | |
276 | ||
277 | self.add_sysv('foo', {'Provides': 'foo bar baz'}) | |
56401ac5 MP |
278 | err, results = self.run_generator() |
279 | self.assertEqual(list(results), ['foo.service']) | |
280 | self.assertEqual(set(results['foo.service'].options('Unit')), | |
e28aa588 MP |
281 | set(['Documentation', 'SourcePath', 'Description'])) |
282 | # should create symlinks for the alternative names | |
283 | for f in ['bar.service', 'baz.service']: | |
284 | self.assertEqual(os.readlink(os.path.join(self.out_dir, f)), | |
285 | 'foo.service') | |
4e558983 | 286 | self.assertNotIn('Overwriting', err) |
e28aa588 | 287 | |
264581a2 FS |
288 | def test_provides_escaped(self): |
289 | '''a script that Provides: a name that requires escaping''' | |
290 | ||
291 | self.add_sysv('foo', {'Provides': 'foo foo+'}) | |
292 | err, results = self.run_generator() | |
293 | self.assertEqual(list(results), ['foo.service']) | |
294 | self.assertEqual(os.readlink(os.path.join(self.out_dir, 'foo\\x2b.service')), | |
295 | 'foo.service') | |
296 | self.assertNotIn('Overwriting', err) | |
297 | ||
77354c7e MP |
298 | def test_same_provides_in_multiple_scripts(self): |
299 | '''multiple init.d scripts provide the same name''' | |
300 | ||
301 | self.add_sysv('foo', {'Provides': 'foo common'}, enable=True, prio=1) | |
302 | self.add_sysv('bar', {'Provides': 'bar common'}, enable=True, prio=2) | |
303 | err, results = self.run_generator() | |
304 | self.assertEqual(sorted(results), ['bar.service', 'foo.service']) | |
305 | # should create symlink for the alternative name for either unit | |
306 | self.assertIn(os.readlink(os.path.join(self.out_dir, 'common.service')), | |
307 | ['foo.service', 'bar.service']) | |
308 | ||
309 | def test_provide_other_script(self): | |
310 | '''init.d scripts provides the name of another init.d script''' | |
311 | ||
312 | self.add_sysv('foo', {'Provides': 'foo bar'}, enable=True) | |
313 | self.add_sysv('bar', {'Provides': 'bar'}, enable=True) | |
314 | err, results = self.run_generator() | |
315 | self.assertEqual(sorted(results), ['bar.service', 'foo.service']) | |
4e558983 MP |
316 | # we do expect an overwrite here, bar.service should overwrite the |
317 | # alias link from foo.service | |
318 | self.assertIn('Overwriting', err) | |
77354c7e | 319 | |
e28aa588 MP |
320 | def test_nonexecutable_script(self): |
321 | '''ignores non-executable init.d script''' | |
322 | ||
323 | os.chmod(self.add_sysv('foo', {}), 0o644) | |
324 | err, results = self.run_generator() | |
325 | self.assertEqual(results, {}) | |
326 | ||
29e0e6d8 MP |
327 | def test_sh_suffix(self): |
328 | '''init.d script with .sh suffix''' | |
329 | ||
330 | self.add_sysv('foo.sh', {}, enable=True) | |
331 | err, results = self.run_generator() | |
332 | s = results['foo.service'] | |
333 | ||
334 | self.assertEqual(s.sections(), ['Unit', 'Service']) | |
335 | # should not have a .sh | |
336 | self.assertEqual(s.get('Unit', 'Description'), 'LSB: test foo service') | |
337 | ||
338 | # calls correct script with .sh | |
339 | init_script = os.path.join(self.init_d_dir, 'foo.sh') | |
340 | self.assertEqual(s.get('Service', 'ExecStart'), | |
341 | '%s start' % init_script) | |
342 | self.assertEqual(s.get('Service', 'ExecStop'), | |
343 | '%s stop' % init_script) | |
344 | ||
0377e373 | 345 | self.assert_enabled('foo.service', ['multi-user', 'graphical']) |
29e0e6d8 MP |
346 | |
347 | def test_sh_suffix_with_provides(self): | |
348 | '''init.d script with .sh suffix and Provides:''' | |
349 | ||
350 | self.add_sysv('foo.sh', {'Provides': 'foo bar'}) | |
351 | err, results = self.run_generator() | |
352 | # ensure we don't try to create a symlink to itself | |
230f0485 | 353 | self.assertNotIn('itself', err) |
29e0e6d8 MP |
354 | self.assertEqual(list(results), ['foo.service']) |
355 | self.assertEqual(results['foo.service'].get('Unit', 'Description'), | |
356 | 'LSB: test foo service') | |
357 | ||
358 | # should create symlink for the alternative name | |
359 | self.assertEqual(os.readlink(os.path.join(self.out_dir, 'bar.service')), | |
360 | 'foo.service') | |
361 | ||
d816e2b7 MP |
362 | def test_hidden_files(self): |
363 | '''init.d script with hidden file suffix''' | |
364 | ||
365 | script = self.add_sysv('foo', {}, enable=True) | |
366 | # backup files (not enabled in rcN.d/) | |
367 | shutil.copy(script, script + '.dpkg-new') | |
368 | shutil.copy(script, script + '.dpkg-dist') | |
369 | shutil.copy(script, script + '.swp') | |
370 | shutil.copy(script, script + '.rpmsave') | |
371 | ||
372 | err, results = self.run_generator() | |
373 | self.assertEqual(list(results), ['foo.service']) | |
374 | ||
0377e373 | 375 | self.assert_enabled('foo.service', ['multi-user', 'graphical']) |
29e0e6d8 | 376 | |
77354c7e MP |
377 | def test_backup_file(self): |
378 | '''init.d script with backup file''' | |
379 | ||
380 | script = self.add_sysv('foo', {}, enable=True) | |
381 | # backup files (not enabled in rcN.d/) | |
382 | shutil.copy(script, script + '.bak') | |
383 | shutil.copy(script, script + '.old') | |
384 | ||
385 | err, results = self.run_generator() | |
386 | print(err) | |
387 | self.assertEqual(sorted(results), | |
388 | ['foo.bak.service', 'foo.old.service', 'foo.service']) | |
389 | ||
390 | # ensure we don't try to create a symlink to itself | |
230f0485 | 391 | self.assertNotIn('itself', err) |
77354c7e | 392 | |
0377e373 | 393 | self.assert_enabled('foo.service', ['multi-user', 'graphical']) |
77354c7e MP |
394 | self.assert_enabled('foo.bak.service', []) |
395 | self.assert_enabled('foo.old.service', []) | |
396 | ||
f4f01ec1 MP |
397 | def test_existing_native_unit(self): |
398 | '''existing native unit''' | |
399 | ||
400 | with open(os.path.join(self.unit_dir, 'foo.service'), 'w') as f: | |
401 | f.write('[Unit]\n') | |
402 | ||
403 | self.add_sysv('foo.sh', {'Provides': 'foo bar'}, enable=True) | |
404 | err, results = self.run_generator() | |
405 | self.assertEqual(list(results), []) | |
406 | # no enablement or alias links, as native unit is disabled | |
407 | self.assertEqual(os.listdir(self.out_dir), []) | |
408 | ||
e28aa588 MP |
409 | |
410 | if __name__ == '__main__': | |
411 | unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2)) |