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# coding: utf8
"""
This software is licensed under the Apache 2 license, quoted below.
Copyright 2014 Crystalnix Limited
Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
"""
import os
import uuid
from django.db import models
from django.db.models.signals import post_save, pre_delete
from django.dispatch import receiver
from django.utils import timezone
from celery import signature
from jsonfield import JSONField
from omaha.models import BaseModel
from crash.managers import CrashManager, SymbolsManager
def upload_to(directory, obj, filename):
now = timezone.now()
max_length = 255
path = os.path.join(*map(str, [directory, now.year, now.month,
now.day, uuid.uuid4(), filename]))
if len(path) > max_length:
name, ext = os.path.splitext(path)
ext_length = len(ext)
path = name[:max_length-ext_length] + ext
return path
def crash_upload_to(obj, filename):
return upload_to('minidump', obj, filename)
def crash_archive_upload_to(obj, filename):
return upload_to('minidump_archive', obj, filename)
class Crash(BaseModel):
upload_file_minidump = models.FileField(upload_to=crash_upload_to, blank=True, null=True, max_length=255)
minidump_size = models.PositiveIntegerField(null=True, blank=True)
archive = models.FileField(upload_to=crash_archive_upload_to, blank=True, null=True, max_length=255)
archive_size = models.PositiveIntegerField(null=True, blank=True)
appid = models.CharField(max_length=38, null=True, blank=True)
userid = models.CharField(max_length=38, null=True, blank=True)
meta = JSONField(verbose_name='Meta-information', help_text='JSON format', null=True, blank=True)
stacktrace = models.TextField(null=True, blank=True)
stacktrace_json = JSONField(null=True, blank=True)
signature = models.CharField(max_length=255, db_index=True, null=True, blank=True)
ip = models.GenericIPAddressField(blank=True, null=True, protocol="ipv4")
groupid = models.CharField(max_length=38, null=True, blank=True)
eventid = models.CharField(max_length=38, null=True, blank=True)
objects = CrashManager()
class Meta(BaseModel.Meta):
verbose_name_plural = 'Crashes'
def __unicode__(self):
return u"Crash #{0}".format(self.id) + (" ({0})".format(self.signature) if self.signature else '')
@property
def size(self):
return self.archive_size + self.minidump_size
class CrashDescription(BaseModel):
crash = models.OneToOneField(Crash, related_name='crash_description')
summary = models.CharField(max_length=500)
description = models.TextField(null=True, blank=True)
def symbols_upload_to(obj, filename):
sym_filename = os.path.splitext(os.path.basename(obj.debug_file))[0]
sym_filename = '%s.sym' % sym_filename
return os.path.join('symbols', obj.debug_file, obj.debug_id, sym_filename)
class Symbols(BaseModel):
debug_id = models.CharField(verbose_name='Debug ID', max_length=255, db_index=True, null=True, blank=True)
debug_file = models.CharField(verbose_name='Debug file name', max_length=140, null=True, blank=True)
file = models.FileField(upload_to=symbols_upload_to, null=True)
file_size = models.PositiveIntegerField(null=True, blank=True)
objects = SymbolsManager()
class Meta:
verbose_name_plural = 'Symbols'
unique_together = (
('debug_id', 'debug_file'),
)
@property
def size(self):
return self.file_size
@receiver(post_save, sender=Crash)
def crash_post_save(sender, instance, created, *args, **kwargs):
if created and instance.upload_file_minidump:
signature("tasks.processing_crash_dump", args=(instance.pk,)).apply_async(queue='private', countdown=1)
@receiver(pre_delete, sender=Crash)
def pre_crash_delete(sender, instance, **kwargs):
file_fields = [instance.archive, instance.upload_file_minidump]
for field in file_fields:
storage, name = field.storage, field.name
if name:
storage.delete(name)
@receiver(pre_delete, sender=Symbols)
def pre_symbol_delete(sender, instance, **kwargs):
storage, name = instance.file.storage, instance.file.name
if name:
storage.delete(name)
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