-
-
Notifications
You must be signed in to change notification settings - Fork 4.1k
/
manager.py
1111 lines (910 loc) · 36 KB
/
manager.py
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
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
"""
sentry.manager
~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
from collections import defaultdict
import datetime
import hashlib
import itertools
import logging
import re
import warnings
import weakref
from django.conf import settings as dj_settings
from django.core.signals import request_finished
from django.db import models, transaction, IntegrityError
from django.db.models import Sum
from django.db.models.expressions import F, ExpressionNode
from django.db.models.signals import post_save, post_delete, post_init, class_prepared
from django.utils import timezone
from django.utils.datastructures import SortedDict
from django.utils.encoding import force_unicode, smart_str
from raven.utils.encoding import to_string
from sentry import app
from sentry.conf import settings
from sentry.constants import STATUS_RESOLVED, STATUS_UNRESOLVED
from sentry.processors.base import send_group_processors
from sentry.signals import regression_signal
from sentry.tasks.index import index_event
from sentry.utils.cache import cache, Lock
from sentry.utils.dates import get_sql_date_trunc
from sentry.utils.db import get_db_engine, has_charts, resolve_expression_node
from sentry.utils.queue import maybe_delay
logger = logging.getLogger('sentry.errors')
UNSAVED = dict()
MAX_TAG_LENGTH = 200
def get_checksum_from_event(event):
for interface in event.interfaces.itervalues():
result = interface.get_hash()
if result:
hash = hashlib.md5()
for r in result:
hash.update(to_string(r))
return hash.hexdigest()
return hashlib.md5(to_string(event.message)).hexdigest()
class BaseManager(models.Manager):
lookup_handlers = {
'iexact': lambda x: x.upper(),
}
def __init__(self, *args, **kwargs):
self.cache_fields = kwargs.pop('cache_fields', [])
self.cache_ttl = kwargs.pop('cache_ttl', 60 * 5)
self.__cache = weakref.WeakKeyDictionary()
super(BaseManager, self).__init__(*args, **kwargs)
def __getstate__(self):
d = self.__dict__.copy()
# we cant serialize weakrefs
del d['_BaseManager__cache']
return d
def __setstate__(self, state):
self.__dict__.update(state)
self.__cache = weakref.WeakKeyDictionary()
def __prep_value(self, key, value):
if isinstance(value, models.Model):
value = value.pk
else:
value = unicode(value)
parts = key.split('__')
if len(key) > 1 and parts[-1] in self.lookup_handlers:
value = self.lookup_handlers[parts[-1]](value)
return value
def __prep_key(self, key):
if key == 'pk':
return self.model._meta.pk.name
return key
def __make_key(self, prefix, kwargs):
kwargs_bits = []
for k, v in sorted(kwargs.iteritems()):
k = self.__prep_key(k)
v = smart_str(self.__prep_value(k, v))
kwargs_bits.append('%s=%s' % (k, v))
kwargs_bits = ':'.join(kwargs_bits)
return '%s:%s:%s' % (prefix, self.model.__name__, hashlib.md5(kwargs_bits).hexdigest())
def __class_prepared(self, sender, **kwargs):
"""
Given the cache is configured, connects the required signals for invalidation.
"""
if not self.cache_fields:
return
post_init.connect(self.__post_init, sender=sender, weak=False)
post_save.connect(self.__post_save, sender=sender, weak=False)
post_delete.connect(self.__post_delete, sender=sender, weak=False)
def __cache_state(self, instance):
"""
Updates the tracked state of an instance.
"""
if instance.pk:
self.__cache[instance] = dict((f, getattr(instance, f)) for f in self.cache_fields)
else:
self.__cache[instance] = UNSAVED
def __post_init(self, instance, **kwargs):
"""
Stores the initial state of an instance.
"""
self.__cache_state(instance)
def __post_save(self, instance, **kwargs):
"""
Pushes changes to an instance into the cache, and removes invalid (changed)
lookup values.
"""
pk_name = instance._meta.pk.name
pk_names = ('pk', pk_name)
pk_val = instance.pk
for key in self.cache_fields:
if key in pk_names:
continue
# store pointers
cache.set(self.__get_lookup_cache_key(**{key: getattr(instance, key)}), pk_val, self.cache_ttl) # 1 hour
# Ensure we dont serialize the database into the cache
db = instance._state.db
instance._state.db = None
# store actual object
cache.set(self.__get_lookup_cache_key(**{pk_name: pk_val}), instance, self.cache_ttl)
instance._state.db = db
# Kill off any keys which are no longer valid
if instance in self.__cache:
for key in self.cache_fields:
if key not in self.__cache[instance]:
continue
value = self.__cache[instance][key]
if value != getattr(instance, key):
cache.delete(self.__get_lookup_cache_key(**{key: value}))
self.__cache_state(instance)
def __post_delete(self, instance, **kwargs):
"""
Drops instance from all cache storages.
"""
pk_name = instance._meta.pk.name
for key in self.cache_fields:
if key in ('pk', pk_name):
continue
# remove pointers
cache.delete(self.__get_lookup_cache_key(**{key: getattr(instance, key)}))
# remove actual object
cache.delete(self.__get_lookup_cache_key(**{pk_name: instance.pk}))
def __get_lookup_cache_key(self, **kwargs):
return self.__make_key('modelcache', kwargs)
def contribute_to_class(self, model, name):
super(BaseManager, self).contribute_to_class(model, name)
class_prepared.connect(self.__class_prepared, sender=model)
def get_from_cache(self, **kwargs):
"""
Wrapper around QuerySet.get which supports caching of the
intermediate value. Callee is responsible for making sure
the cache key is cleared on save.
"""
if not self.cache_fields or len(kwargs) > 1:
return self.get(**kwargs)
pk_name = self.model._meta.pk.name
key, value = kwargs.items()[0]
# Kill __exact since it's the default behavior
if key.endswith('__exact'):
key = key.split('__exact', 1)[0]
if key in self.cache_fields or key in ('pk', pk_name):
cache_key = self.__get_lookup_cache_key(**{key: value})
retval = cache.get(cache_key)
if retval is None:
result = self.get(**kwargs)
# Ensure we're pushing it into the cache
self.__post_save(instance=result)
return result
# If we didn't look up by pk we need to hit the reffed
# key
if key not in (pk_name, 'pk'):
return self.get(pk=retval)
return retval
def get_or_create(self, _cache=False, **kwargs):
"""
A modified version of Django's get_or_create which will create a distributed
lock (using the cache backend) whenever it hits the create clause.
"""
defaults = kwargs.pop('defaults', {})
# before locking attempt to fetch the instance
try:
if _cache:
return self.get_from_cache(**kwargs), False
return self.get(**kwargs), False
except self.model.DoesNotExist:
pass
lock_key = self.__make_key('lock', kwargs)
# instance not found, lets grab a lock and attempt to create it
with Lock(lock_key):
# its important we get() before create() to ensure that if
# someone beat us to creating it from the time we did our very
# first .get(), that we get the result back as we cannot
# rely on unique constraints existing
instance, created = super(BaseManager, self).get_or_create(defaults=defaults, **kwargs)
return instance, created
def create_or_update(self, **kwargs):
"""
Similar to get_or_create, either updates a row or creates it.
The result will be (rows affected, False), if the row was not created,
or (instance, True) if the object is new.
"""
defaults = kwargs.pop('defaults', {})
# before locking attempt to fetch the instance
affected = self.filter(**kwargs).update(**defaults)
if affected:
return affected, False
lock_key = self.__make_key('lock', kwargs)
# instance not found, lets grab a lock and attempt to create it
with Lock(lock_key) as lock:
if lock.was_locked:
affected = self.filter(**kwargs).update(**defaults)
return affected, False
for k, v in defaults.iteritems():
if isinstance(v, ExpressionNode):
kwargs[k] = resolve_expression_node(self.model(), v)
return self.create(**kwargs), True
class ScoreClause(object):
def __init__(self, group):
self.group = group
def prepare_database_save(self, unused):
return self
def prepare(self, evaluator, query, allow_joins):
return
def evaluate(self, node, qn, connection):
engine = get_db_engine(getattr(connection, 'alias', 'default'))
if engine.startswith('postgresql'):
sql = 'log(times_seen) * 600 + last_seen::abstime::int'
elif engine.startswith('mysql'):
sql = 'log(times_seen) * 600 + unix_timestamp(last_seen)'
else:
# XXX: if we cant do it atomicly let's do it the best we can
sql = self.group.get_score()
return (sql, [])
def count_limit(count):
# TODO: could we do something like num_to_store = max(math.sqrt(100*count)+59, 200) ?
# ~ 150 * ((log(n) - 1.5) ^ 2 - 0.25)
for amount, sample_rate in settings.SAMPLE_RATES:
if count <= amount:
return sample_rate
return settings.MAX_SAMPLE_RATE
def time_limit(silence): # ~ 3600 per hour
for amount, sample_rate in settings.SAMPLE_TIMES:
if silence >= amount:
return sample_rate
return settings.MAX_SAMPLE_TIME
class ChartMixin(object):
def get_chart_data_for_group(self, instances, max_days=90, key=None):
if not instances:
if key is None:
return []
return {}
if hasattr(instances[0], '_state'):
db = instances[0]._state.db or 'default'
else:
db = 'default'
field = self.model.messagecountbyminute_set.related
column = field.field.name
queryset = field.model.objects.filter(**{
'%s__in' % column: instances,
})
return self._get_chart_data(queryset, max_days, db, key=key)
def get_chart_data(self, instance, max_days=90, key=None):
if hasattr(instance, '_state'):
db = instance._state.db or 'default'
else:
db = 'default'
queryset = instance.messagecountbyminute_set
return self._get_chart_data(queryset, max_days, db, key=key)
def _get_chart_data(self, queryset, max_days=90, db='default', key=None):
if not has_charts(db):
if key is None:
return []
return {}
today = timezone.now().replace(microsecond=0, second=0)
if max_days >= 30:
g_type = 'date'
d_type = 'days'
points = max_days
modifier = 1
today = today.replace(hour=0)
elif max_days >= 1:
g_type = 'hour'
d_type = 'hours'
points = max_days * 24
modifier = 1
today = today.replace(minute=0)
else:
g_type = 'minute'
d_type = 'minutes'
points = max_days * 24 * 4
modifier = 15
min_date = today - datetime.timedelta(days=max_days)
method = get_sql_date_trunc('date', db, grouper=g_type)
chart_qs = queryset.filter(
date__gte=min_date,
).extra(
select={'grouper': method},
)
if key:
chart_qs = chart_qs.values('grouper', key)
else:
chart_qs = chart_qs.values('grouper')
chart_qs = chart_qs.annotate(
num=Sum('times_seen'),
)
if key:
chart_qs = chart_qs.values_list(key, 'grouper', 'num').order_by(key, 'grouper')
else:
chart_qs = chart_qs.values_list('grouper', 'num').order_by('grouper')
if key is None:
rows = {None: dict(chart_qs)}
else:
rows = {}
for item, grouper, num in chart_qs:
if item not in rows:
rows[item] = {}
rows[item][grouper] = num
results = {}
for item, tsdata in rows.iteritems():
results[item] = []
for point in xrange(points, -1, -1):
dt = today - datetime.timedelta(**{d_type: point * modifier})
results[item].append((int((dt).strftime('%s')) * 1000, tsdata.get(dt, 0)))
if key is None:
return results[None]
return results
class GroupManager(BaseManager, ChartMixin):
use_for_related_fields = True
def _get_views(self, event):
from sentry.models import View
from sentry.views import View as ViewHandler
views = set()
for viewhandler in ViewHandler.objects.all():
try:
if not viewhandler.should_store(event):
continue
path = '%s.%s' % (viewhandler.__module__, viewhandler.__class__.__name__)
if not viewhandler.ref:
viewhandler.ref = View.objects.get_or_create(
_cache=True,
path=path,
defaults=dict(
verbose_name=viewhandler.verbose_name,
verbose_name_plural=viewhandler.verbose_name_plural,
),
)[0]
views.add(viewhandler.ref)
except Exception, exc:
# TODO: should we mail admins when there are failures?
try:
logger.exception(exc)
except Exception, exc:
warnings.warn(exc)
return views
@transaction.commit_on_success
def from_kwargs(self, project, **kwargs):
# TODO: this function is way too damn long and needs refactored
# the inner imports also suck so let's try to move it away from
# the objects manager
from sentry.models import Event, Project
project = Project.objects.get_from_cache(pk=project)
# First we pull out our top-level (non-data attr) kwargs
event_id = kwargs.pop('event_id', None)
message = kwargs.pop('message', None)
culprit = kwargs.pop('culprit', None)
level = kwargs.pop('level', None) or logging.ERROR
time_spent = kwargs.pop('time_spent', None)
logger_name = kwargs.pop('logger', None) or settings.DEFAULT_LOGGER_NAME
server_name = kwargs.pop('server_name', None)
site = kwargs.pop('site', None)
date = kwargs.pop('timestamp', None) or timezone.now()
checksum = kwargs.pop('checksum', None)
tags = kwargs.pop('tags', [])
# full support for dict syntax
if isinstance(tags, dict):
tags = tags.items()
# We must convert date to local time so Django doesn't mess it up
# based on TIME_ZONE
if dj_settings.TIME_ZONE:
if not timezone.is_aware(date):
date = date.replace(tzinfo=timezone.utc)
elif timezone.is_aware(date):
date = date.replace(tzinfo=None)
data = kwargs
kwargs = {
'level': level,
'message': message,
}
event = Event(
project=project,
event_id=event_id,
culprit=culprit or '',
logger=logger_name,
data=data,
server_name=server_name,
site=site,
time_spent=time_spent,
datetime=date,
**kwargs
)
# Calculcate the checksum from the first highest scoring interface
if not checksum:
checksum = get_checksum_from_event(event)
event.checksum = checksum
group_kwargs = kwargs.copy()
group_kwargs.update({
'last_seen': date,
'first_seen': date,
'time_spent_total': time_spent or 0,
'time_spent_count': time_spent and 1 or 0,
})
views = self._get_views(event)
try:
group, is_new, is_sample = self._create_group(event, tags=tags, **group_kwargs)
except Exception, exc:
# TODO: should we mail admins when there are failures?
try:
logger.exception(u'Unable to process log entry: %s', exc)
except Exception, exc:
warnings.warn(u'Unable to process log entry: %s', exc)
return
event.group = group
for view in views:
group.views.add(view)
# save the event unless its been sampled
if not is_sample:
try:
event.save()
except IntegrityError:
transaction.rollback_unless_managed(using=group._state.db)
return event
transaction.commit_unless_managed(using=group._state.db)
if settings.USE_SEARCH:
try:
maybe_delay(index_event, event)
except Exception, e:
transaction.rollback_unless_managed(using=group._state.db)
logger.exception(u'Error indexing document: %s', e)
if is_new:
try:
regression_signal.send(sender=self.model, instance=group)
except Exception, e:
transaction.rollback_unless_managed(using=group._state.db)
logger.exception(u'Error sending regression signal: %s', e)
send_group_processors(group=group, event=event, is_new=is_new, is_sample=is_sample)
return event
def _create_group(self, event, tags=None, **kwargs):
from sentry.models import ProjectCountByMinute, MessageCountByMinute
date = event.datetime
time_spent = event.time_spent
project = event.project
try:
group, is_new = self.get_or_create(
project=project,
culprit=event.culprit,
logger=event.logger,
checksum=event.checksum,
defaults=kwargs
)
except self.model.MultipleObjectsReturned:
# Fix for multiple groups existing due to a race
groups = list(self.filter(
project=project,
culprit=event.culprit,
logger=event.logger,
checksum=event.checksum,
))
for g in groups[1:]:
g.delete()
group, is_new = groups[0], False
update_kwargs = {
'times_seen': 1,
}
if time_spent:
update_kwargs.update({
'time_spent_total': time_spent,
'time_spent_count': 1,
})
if not is_new:
extra = {
'last_seen': max(event.datetime, group.last_seen),
'score': ScoreClause(group),
}
message = kwargs.get('message')
if message:
extra['message'] = message
if group.status == STATUS_RESOLVED:
# Group has changed from resolved -> unresolved
is_new = True
# We have to perform this update inline, as waiting on buffers means
# this event could be treated as "new" several times
group.update(active_at=date, status=STATUS_UNRESOLVED)
group.last_seen = extra['last_seen']
silence_timedelta = date - group.last_seen
silence = silence_timedelta.days * 86400 + silence_timedelta.seconds
app.buffer.incr(self.model, update_kwargs, {
'pk': group.pk,
}, extra)
else:
# TODO: this update should actually happen as part of create
group.update(score=ScoreClause(group))
silence = 0
# We need to commit because the queue can run too fast and hit
# an issue with the group not existing before the buffers run
transaction.commit_unless_managed(using=group._state.db)
# Determine if we've sampled enough data to store this event
if is_new:
is_sample = False
elif not settings.SAMPLE_DATA or group.times_seen % min(count_limit(group.times_seen), time_limit(silence)) == 0:
is_sample = False
else:
is_sample = True
# Rounded down to the nearest interval
if settings.MINUTE_NORMALIZATION:
minutes = (date.minute - (date.minute % settings.MINUTE_NORMALIZATION))
else:
minutes = date.minute
normalized_datetime = date.replace(second=0, microsecond=0, minute=minutes)
app.buffer.incr(MessageCountByMinute, update_kwargs, {
'group': group,
'project': project,
'date': normalized_datetime,
})
app.buffer.incr(ProjectCountByMinute, update_kwargs, {
'project': project,
'date': normalized_datetime,
})
if not tags:
tags = []
else:
tags = list(tags)
tags += [('logger', event.logger)]
self.add_tags(group, tags)
return group, is_new, is_sample
def add_tags(self, group, tags):
from sentry.models import FilterValue, FilterKey, MessageFilterValue
project = group.project
date = group.last_seen
for key, value in itertools.ifilter(lambda x: bool(x[1]), tags):
if len(value) > MAX_TAG_LENGTH:
continue
# TODO: FilterKey and FilterValue queries should be create's under a try/except
FilterKey.objects.get_or_create(
project=project,
key=key,
)
FilterValue.objects.get_or_create(
project=project,
key=key,
value=value,
)
app.buffer.incr(MessageFilterValue, {
'times_seen': 1,
}, {
'group': group,
'project': project,
'key': key,
'value': value,
}, {
'last_seen': date,
})
def get_by_natural_key(self, project, logger, culprit, checksum):
return self.get(project=project, logger=logger, view=culprit, checksum=checksum)
def get_accelerated(self, queryset=None, minutes=15):
# mintues should
from sentry.models import MessageCountByMinute
mcbm_tbl = MessageCountByMinute._meta.db_table
if queryset is None:
queryset = self
assert minutes >= settings.MINUTE_NORMALIZATION
engine = get_db_engine(queryset.db)
if engine.startswith('mysql'):
minute_clause = "interval %s minute"
else:
minute_clause = "interval '%s minutes'"
queryset = queryset.extra(
where=["%s.date >= now() - %s" % (mcbm_tbl, minute_clause % (minutes, ))],
).annotate(x=Sum('messagecountbyminute__times_seen')).order_by('id')
sql, params = queryset.query.get_compiler(queryset.db).as_sql()
before_select, after_select = str(sql).split('SELECT ', 1)
before_where, after_where = after_select.split(' WHERE ', 1)
before_group, after_group = after_where.split(' GROUP BY ', 1)
# Ensure we remove any ordering clause
after_group = after_group.split(' ORDER BY ')[0]
query = """
SELECT (SUM(%(mcbm_tbl)s.times_seen) + 1.0) / (COALESCE(z.accel, 0) + 1.0) as accel,
z.accel as prev_accel,
%(before_where)s
LEFT JOIN (SELECT a.group_id, SUM(a.times_seen) / 3.0 as accel
FROM %(mcbm_tbl)s as a
WHERE a.date BETWEEN now() - %(max_time)s
AND now() - %(min_time)s
GROUP BY a.group_id) as z
ON z.group_id = %(mcbm_tbl)s.group_id
WHERE %(before_group)s
GROUP BY prev_accel, %(after_group)s
HAVING SUM(%(mcbm_tbl)s.times_seen) > 0
ORDER BY accel DESC
""" % dict(
mcbm_tbl=mcbm_tbl,
before_where=before_where,
before_group=before_group,
after_group=after_group,
min_time=minute_clause % (minutes + 1,),
max_time=minute_clause % (minutes * 4,),
)
return RawQuerySet(self, query, params)
class RawQuerySet(object):
def __init__(self, queryset, query, params):
self.queryset = queryset
self.query = query
self.params = params
def __getitem__(self, k):
offset = k.start or 0
limit = k.stop - offset
limit_clause = ' LIMIT %d OFFSET %d' % (limit, offset)
query = self.query + limit_clause
return self.queryset.raw(query, self.params)
class ProjectManager(BaseManager, ChartMixin):
pass
class MetaManager(BaseManager):
NOTSET = object()
def __init__(self, *args, **kwargs):
super(MetaManager, self).__init__(*args, **kwargs)
request_finished.connect(self.clear_cache)
def get_value(self, key, default=NOTSET):
result = self.get_all_values()
if default is self.NOTSET:
return result[key]
return result.get(key, default)
def unset_value(self, key):
self.filter(key=key).delete()
if not hasattr(self, '_metadata'):
return
self._metadata.pop(key, None)
def set_value(self, key, value):
inst, created = self.get_or_create(
key=key,
defaults={
'value': value,
}
)
if not created and inst.value != value:
inst.update(value=value)
if not hasattr(self, '_metadata'):
return
self._metadata[key] = value
def get_all_values(self):
if not hasattr(self, '_metadata'):
self._metadata = dict((i.key, i.value) for i in self.all())
return self._metadata
def clear_cache(self, **kwargs):
self._metadata = {}
class InstanceMetaManager(BaseManager):
NOTSET = object()
def __init__(self, field_name, *args, **kwargs):
super(InstanceMetaManager, self).__init__(*args, **kwargs)
self.field_name = field_name
request_finished.connect(self.clear_cache)
def get_value_bulk(self, instances, key):
return dict(self.filter(**{
'%s__in' % self.field_name: instances,
'key': key,
}).values_list(self.field_name, 'value'))
def get_value(self, instance, key, default=NOTSET):
result = self.get_all_values(instance)
if default is self.NOTSET:
return result[key]
return result.get(key, default)
def unset_value(self, instance, key):
self.filter(**{self.field_name: instance, 'key': key}).delete()
if not hasattr(self, '_metadata'):
return
if instance.pk not in self._metadata:
return
self._metadata[instance.pk].pop(key, None)
def set_value(self, instance, key, value):
inst, created = self.get_or_create(**{
self.field_name: instance,
'key': key,
'defaults': {
'value': value,
}
})
if not created and inst.value != value:
inst.update(value=value)
if not hasattr(self, '_metadata'):
return
if instance.pk not in self._metadata:
return
self._metadata[instance.pk][key] = value
def get_all_values(self, instance):
if not hasattr(self, '_metadata'):
self._metadata = {}
if instance.pk not in self._metadata:
result = dict(
(i.key, i.value) for i in
self.filter(**{
self.field_name: instance,
})
)
self._metadata[instance.pk] = result
return self._metadata[instance.pk]
def clear_cache(self, **kwargs):
self._metadata = {}
class UserOptionManager(BaseManager):
NOTSET = object()
def __init__(self, *args, **kwargs):
super(UserOptionManager, self).__init__(*args, **kwargs)
request_finished.connect(self.clear_cache)
def get_value(self, user, project, key, default=NOTSET):
result = self.get_all_values(user, project)
if default is self.NOTSET:
return result[key]
return result.get(key, default)
def unset_value(self, user, project, key):
self.filter(user=user, project=project, key=key).delete()
if not hasattr(self, '_metadata'):
return
if project:
metakey = (user.pk, project.pk)
else:
metakey = (user.pk, None)
if metakey not in self._metadata:
return
self._metadata[metakey].pop(key, None)
def set_value(self, user, project, key, value):
inst, created = self.get_or_create(
user=user,
project=project,
key=key,
defaults={
'value': value,
},
)
if not created and inst.value != value:
inst.update(value=value)
if not hasattr(self, '_metadata'):
return
if project:
metakey = (user.pk, project.pk)
else:
metakey = (user.pk, None)
if metakey not in self._metadata:
return
self._metadata[metakey][key] = value
def get_all_values(self, user, project):
if not hasattr(self, '_metadata'):
self._metadata = {}
if project:
metakey = (user.pk, project.pk)
else:
metakey = (user.pk, None)
if metakey not in self._metadata:
result = dict(
(i.key, i.value) for i in
self.filter(
user=user,
project=project,
)
)
self._metadata[metakey] = result
return self._metadata[metakey]
def clear_cache(self, **kwargs):
self._metadata = {}
class SearchDocumentManager(BaseManager):
# Words which should not be indexed
STOP_WORDS = set(['the', 'of', 'to', 'and', 'a', 'in', 'is', 'it', 'you', 'that'])
# Do not index any words shorter than this
MIN_WORD_LENGTH = 3
# Consider these characters to be punctuation (they will be replaced with spaces prior to word extraction)
PUNCTUATION_CHARS = re.compile('[%s]' % re.escape(".,;:!?@$%^&*()-<>[]{}\\|/`~'\""))
def _tokenize(self, text):
"""
Given a string, returns a list of tokens.
"""
if not text:
return []
text = self.PUNCTUATION_CHARS.sub(' ', text)
words = [t[:128] for t in text.split() if len(t) >= self.MIN_WORD_LENGTH and t.lower() not in self.STOP_WORDS]
return words
def search(self, project, query, sort_by='score', offset=0, limit=100):
tokens = self._tokenize(query)
if sort_by == 'score':
order_by = 'SUM(st.times_seen) / sd.total_events DESC'
elif sort_by == 'new':
order_by = 'sd.date_added DESC'
elif sort_by == 'date':
order_by = 'sd.date_changed DESC'
else:
raise ValueError('sort_by: %r' % sort_by)
if tokens:
token_sql = ' st.token IN (%s) AND ' % \
', '.join('%s' for i in range(len(tokens)))
else:
token_sql = ' '
sql = """
SELECT sd.id AS id,
sd.group_id AS group_id,
SUM(st.times_seen) / sd.total_events as score,
sd.date_changed AS date_changed,
sd.date_added AS date_added
FROM sentry_searchdocument as sd
INNER JOIN sentry_searchtoken as st
ON st.document_id = sd.id
WHERE %s
sd.project_id = %s
GROUP BY sd.id, sd.group_id, sd.total_events, sd.date_changed, sd.date_added
ORDER BY %s
LIMIT %d OFFSET %d
""" % (