~ubuntuone-hackers/conn-check/trunk

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
from __future__ import unicode_literals

from future import standard_library
standard_library.install_aliases()
from io import StringIO

from builtins import map
from builtins import str
import operator
import random
import sys

import testtools
from testtools import matchers

from conn_check.check_impl import (
    FunctionCheck,
    MultiCheck,
    parallel_strategy,
    PrefixCheckWrapper,
    sequential_strategy,
    )
from conn_check.checks import (
    CHECKS,
    extract_host_port,
    make_amqp_check,
    make_http_check,
    make_memcache_check,
    make_mongodb_check,
    make_postgres_check,
    make_redis_check,
    make_smtp_check,
    make_tls_check,
    make_tcp_check,
    make_udp_check,
    )
from conn_check.main import (
    build_checks,
    check_from_description,
    OrderedOutput,
    )


class FunctionCheckMatcher(testtools.Matcher):

    def __init__(self, name, info, blocking=False):
        self.name = name
        self.info = info
        self.blocking = blocking

    def match(self, matchee):
        checks = []
        checks.append(matchers.IsInstance(FunctionCheck))
        checks.append(matchers.Annotate(
            "name doesn't match",
            matchers.AfterPreprocessing(operator.attrgetter('name'),
                matchers.Equals(self.name))))
        checks.append(matchers.Annotate(
            "info doesn't match",
            matchers.AfterPreprocessing(operator.attrgetter('info'),
                matchers.Equals(self.info))))
        checks.append(matchers.Annotate(
            "blocking doesn't match",
            matchers.AfterPreprocessing(operator.attrgetter('blocking'),
                matchers.Equals(self.blocking))))
        return matchers.MatchesAll(*checks).match(matchee)

    def __str__(self):
        return ("Is a FunctionCheck with <name={} info={} "
                "blocking={}>".format(self.name, self.info, self.blocking))


class MultiCheckMatcher(testtools.Matcher):

    def __init__(self, strategy, subchecks):
        self.strategy = strategy
        self.subchecks = subchecks

    def match(self, matchee):
        checks = []
        checks.append(matchers.IsInstance(MultiCheck))
        checks.append(matchers.AfterPreprocessing(operator.attrgetter('strategy'),
                        matchers.Is(self.strategy)))
        checks.append(matchers.AfterPreprocessing(operator.attrgetter('subchecks'),
                        matchers.MatchesListwise(self.subchecks)))
        return matchers.MatchesAll(*checks).match(matchee)

    def __str__(self):
        return ("Is a MultiCheck with <strategy={} subchecks={}>"
                "".format(self.strategy, self.subchecks))


class ExtractHostPortTests(testtools.TestCase):

    def test_basic(self):
        self.assertEqual(extract_host_port('http://localhost:80/'),
            ('localhost', 80, 'http'))

    def test_no_scheme(self):
        self.assertEqual(extract_host_port('//localhost/'),
            ('localhost', 80, 'http'))

    def test_no_port_http(self):
        self.assertEqual(extract_host_port('http://localhost/'),
            ('localhost', 80, 'http'))

    def test_no_port_https(self):
        self.assertEqual(extract_host_port('https://localhost/'),
            ('localhost', 443, 'https'))


class ConnCheckTest(testtools.TestCase):

    def test_make_tcp_check(self):
        result = make_tcp_check('localhost', 8080)
        self.assertThat(result, FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))

    def test_make_tls_check(self):
        result = make_tls_check('localhost', 8080, verify=True)
        self.assertThat(result, FunctionCheckMatcher('tls:localhost:8080', 'localhost:8080'))

    def test_make_udp_check(self):
        result = make_udp_check('localhost', 8080, 'foo', 'bar')
        self.assertThat(result, FunctionCheckMatcher('udp:localhost:8080', 'localhost:8080'))

    def test_make_http_check(self):
        result = make_http_check('http://localhost/')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'http:http://localhost/:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:80', 'localhost:80'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('', 'GET http://localhost/'))

    def test_make_http_check_https(self):
        result = make_http_check('https://localhost/')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'http:https://localhost/:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:443', 'localhost:443'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('', 'GET https://localhost/'))

    def test_make_http_check_proxy_url(self):
        result = make_http_check(
            'http://localhost/', proxy_url='http://my.proxy:3128/')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'http:http://localhost/:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:my.proxy:3128', 'my.proxy:3128'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('', 'GET http://localhost/'))

    def test_make_http_check_proxy_host_port(self):
        result = make_http_check(
            'http://localhost/', proxy_host='my.proxy', proxy_port='8080')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'http:http://localhost/:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:my.proxy:8080', 'my.proxy:8080'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('', 'GET http://localhost/'))

    def test_make_http_check_proxy_url_overrides_proxy_host_port(self):
        result = make_http_check(
            'http://localhost/', proxy_url='http://my.proxy:3128/',
            proxy_host='host-proxy', proxy_port=8080)
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'http:http://localhost/:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:my.proxy:3128', 'my.proxy:3128'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('', 'GET http://localhost/'))

    def test_make_amqp_check(self):
        result = make_amqp_check('localhost', 8080, 'foo',
                                 'bar', use_tls=True, vhost='/')
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 3)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[1],
                FunctionCheckMatcher('tls:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[2],
                FunctionCheckMatcher('amqp:localhost:8080', 'user foo'))

    def test_make_amqp_check_no_tls(self):
        result = make_amqp_check('localhost', 8080, 'foo',
                                 'bar', use_tls=False, vhost='/')
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 2)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[1],
                FunctionCheckMatcher('amqp:localhost:8080', 'user foo'))

    def test_make_postgres_check(self):
        result = make_postgres_check('localhost', 8080,'foo',
                                     'bar', 'test')
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 2)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[1],
                FunctionCheckMatcher('postgres:localhost:8080', 'user foo', blocking=True))

    def test_make_postgres_check_local_socket(self):
        result = make_postgres_check('/local.sock', 8080,'foo',
                                     'bar', 'test')
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 1)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('postgres:/local.sock:8080', 'user foo', blocking=True))

    def test_make_redis_check(self):
        if sys.version_info[0] >= 3:
            raise self.skipException('Redis checks not supported in python 3')
        result = make_redis_check('localhost', 8080)
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'redis:localhost:8080:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(wrapped.subchecks[1], FunctionCheckMatcher('connect', None))

    def test_make_redis_check_with_password(self):
        if sys.version_info[0] >= 3:
            raise self.skipException('Redis checks not supported in python 3')
        result = make_redis_check('localhost', 8080, 'foobar')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'redis:localhost:8080:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(wrapped.subchecks[1],
                        FunctionCheckMatcher('connect with auth', None))

    def test_make_memcache_check(self):
        result = make_memcache_check('localhost', 8080)
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'memcache:localhost:8080:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(wrapped.subchecks[1], FunctionCheckMatcher('connect', None))

    def test_make_mongodb_check(self):
        if sys.version_info[0] < 3:
            raise self.skipException('txmongo uses collections.abc')
        result = make_mongodb_check('localhost', 8080)
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'mongodb:localhost:8080:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(wrapped.subchecks[1], FunctionCheckMatcher('connect', None))

    def test_make_mongodb_check_with_username(self):
        if sys.version_info[0] < 3:
            raise self.skipException('txmongo uses collections.abc')
        result = make_mongodb_check('localhost', 8080, 'foo')
        self.assertIsInstance(result, PrefixCheckWrapper)
        self.assertEqual(result.prefix, 'mongodb:localhost:8080:')
        wrapped = result.wrapped
        self.assertIsInstance(wrapped, MultiCheck)
        self.assertIs(wrapped.strategy, sequential_strategy)
        self.assertEqual(len(wrapped.subchecks), 2)
        self.assertThat(wrapped.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(wrapped.subchecks[1],
                FunctionCheckMatcher('connect with auth', None))

    def test_make_smtp_check(self):
        result = make_smtp_check('localhost', 8080, 'foo', 'bar',
                                 'foo@example.com', 'bax@example.com',
                                 use_tls=True)
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 3)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[1],
                FunctionCheckMatcher('tls:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[2],
                FunctionCheckMatcher('smtp:localhost:8080', 'user foo'))

    def test_make_smtp_check_no_tls(self):
        result = make_smtp_check('localhost', 8080, 'foo', 'bar',
                                 'foo@example.com', 'bax@example.com',
                                 use_tls=False)
        self.assertIsInstance(result, MultiCheck)
        self.assertIs(result.strategy, sequential_strategy)
        self.assertEqual(len(result.subchecks), 2)
        self.assertThat(result.subchecks[0],
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))
        self.assertThat(result.subchecks[1],
                FunctionCheckMatcher('smtp:localhost:8080', 'user foo'))

    def test_check_from_description_unknown_type(self):
        e = self.assertRaises(AssertionError,
                              check_from_description, {'type': 'foo'})
        self.assertEqual(
            str(e),
            "Unknown check type: foo, available checks: {}".format(list(CHECKS.keys())))

    def test_check_from_description_missing_arg(self):
        description = {'type': 'tcp'}
        e = self.assertRaises(AssertionError,
                check_from_description, description)
        self.assertEqual(
            str(e),
            "host missing from check: {}".format(description))

    def test_check_from_description_port_not_set(self):
        description = {'type': 'tcp', 'host': 'localhost', 'port': None}
        e = self.assertRaises(AssertionError,
                              check_from_description,
                              description)
        self.assertEqual(
            str(e),
            "Port is invalid for check: {}".format(description)
        )

    def test_check_from_description_makes_check(self):
        description = {'type': 'tcp', 'host': 'localhost', 'port': '8080'}
        result = check_from_description(description)
        self.assertThat(result,
                FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'))

    def test_build_checks(self):
        description = [{'type': 'tcp', 'host': 'localhost', 'port': '8080'}]
        result = build_checks(description, 10, [], [])
        self.assertThat(result,
                MultiCheckMatcher(strategy=parallel_strategy,
                    subchecks=[FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080')]))

    def test_build_checks_with_tags(self):
        descriptions = [
            {'type': 'tcp', 'host': 'localhost', 'port': '8080'},
            {'type': 'tcp', 'host': 'localhost2', 'port': '8080',
             'tags': ['foo']},
            {'type': 'tcp', 'host': 'localhost3', 'port': '8080',
             'tags': ['foo', 'bar']},
            {'type': 'tcp', 'host': 'localhost4', 'port': '8080',
             'tags': ['baz']},
            {'type': 'tcp', 'host': 'localhost5', 'port': '8080',
             'tags': ['bar']},
        ]
        result = build_checks(descriptions, 10, ['foo', 'bar'], [])
        expected_subchecks = [
            FunctionCheckMatcher('tcp:localhost2:8080', 'localhost2:8080'),
            FunctionCheckMatcher('tcp:localhost3:8080', 'localhost3:8080'),
            FunctionCheckMatcher('tcp:localhost5:8080', 'localhost5:8080'),
        ]
        self.assertThat(result,
                MultiCheckMatcher(strategy=parallel_strategy,
                    subchecks=expected_subchecks))

    def test_build_checks_with_excluded_tags(self):
        descriptions = [
            {'type': 'tcp', 'host': 'localhost', 'port': '8080'},
            {'type': 'tcp', 'host': 'localhost2', 'port': '8080',
             'tags': ['foo']},
            {'type': 'tcp', 'host': 'localhost3', 'port': '8080',
             'tags': ['foo', 'bar']},
            {'type': 'tcp', 'host': 'localhost4', 'port': '8080',
             'tags': ['baz']},
            {'type': 'tcp', 'host': 'localhost5', 'port': '8080',
             'tags': ['bar']},
        ]
        result = build_checks(descriptions, 10, [], ['bar', 'baz'])
        expected_subchecks = [
            FunctionCheckMatcher('tcp:localhost:8080', 'localhost:8080'),
            FunctionCheckMatcher('tcp:localhost2:8080', 'localhost2:8080'),
        ]
        self.assertThat(result,
                MultiCheckMatcher(strategy=parallel_strategy,
                    subchecks=expected_subchecks))

    def test_ordered_output(self):
        lines = [
            'SKIPPED: xyz3:localhost:666\n',
            'bar2:localhost:8080 FAILED: error\n',
            'SKIPPED: foo2:localhost:8080\n',
            'baz2:localhost:42 OK\n',
            'SKIPPED: bar2:localhost:8080\n',
            'xyz2:localhost:666 FAILED: error\n',
            'xyz1:localhost:666 OK\n',
            'foo1:localhost:8080 FAILED: error\n',
            'baz1:localhost:42 OK\n',
        ]
        expected = (
            'bar2:localhost:8080 FAILED: error\n'
            'foo1:localhost:8080 FAILED: error\n'
            'xyz2:localhost:666 FAILED: error\n'
            'baz1:localhost:42 OK\n'
            'baz2:localhost:42 OK\n'
            'xyz1:localhost:666 OK\n'
            'SKIPPED: bar2:localhost:8080\n'
            'SKIPPED: foo2:localhost:8080\n'
            'SKIPPED: xyz3:localhost:666\n'
        )

        output = OrderedOutput(StringIO())
        list(map(output.write, lines))
        output.flush()
        self.assertEqual(expected, output.output.getvalue())

        output = OrderedOutput(StringIO())
        random.shuffle(lines)
        list(map(output.write, lines))
        output.flush()
        self.assertEqual(expected, output.output.getvalue())