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import socket
from urlparse import urlparse
from django.db import models
from django.core.exceptions import ValidationError
class NullCharField(models.CharField):
description = "String (up to %(max_length)s), NULL if value is empty"
_south_introspects = True
def get_prep_value(self, value):
if value == '':
return None
return self.to_python(value)
TIER_CHOICES = (
(0, 'Tier 0'),
(1, 'Tier 1'),
(2, 'Tier 2'),
(-1, 'Untiered'),
)
class Mirror(models.Model):
name = models.CharField(max_length=255, unique=True)
tier = models.SmallIntegerField(default=2, choices=TIER_CHOICES)
upstream = models.ForeignKey('self', null=True, on_delete=models.SET_NULL)
country = models.CharField(max_length=255, db_index=True)
admin_email = models.EmailField(max_length=255, blank=True)
public = models.BooleanField(default=True)
active = models.BooleanField(default=True)
isos = models.BooleanField(default=True)
rsync_user = models.CharField(max_length=50, blank=True, default='')
rsync_password = models.CharField(max_length=50, blank=True, default='')
notes = models.TextField(blank=True)
class Meta:
ordering = ('country', 'name')
def __unicode__(self):
return self.name
def supported_protocols(self):
protocols = MirrorProtocol.objects.filter(
urls__mirror=self).order_by('protocol').distinct()
return ", ".join([p.protocol for p in protocols])
def downstream(self):
return Mirror.objects.filter(upstream=self).order_by('name')
def get_absolute_url(self):
return '/mirrors/%s/' % self.name
class MirrorProtocol(models.Model):
protocol = models.CharField(max_length=10, unique=True)
is_download = models.BooleanField(default=True,
help_text="Is protocol useful for end-users, e.g. FTP/HTTP")
def __unicode__(self):
return self.protocol
class Meta:
verbose_name = 'Mirror Protocol'
ordering = ('protocol',)
class MirrorUrl(models.Model):
url = models.CharField(max_length=255, unique=True)
protocol = models.ForeignKey(MirrorProtocol, related_name="urls",
editable=False, on_delete=models.PROTECT)
mirror = models.ForeignKey(Mirror, related_name="urls")
country = NullCharField(max_length=255, null=True, blank=True,
db_index=True)
has_ipv4 = models.BooleanField("IPv4 capable", default=True,
editable=False)
has_ipv6 = models.BooleanField("IPv6 capable", default=False,
editable=False)
def address_families(self):
hostname = urlparse(self.url).hostname
info = socket.getaddrinfo(hostname, None, 0, socket.SOCK_STREAM)
families = [x[0] for x in info]
return families
@property
def hostname(self):
return urlparse(self.url).hostname
@property
def real_country(self):
return self.country or self.mirror.country
def clean(self):
try:
# Auto-map the protocol field by looking at the URL
protocol = urlparse(self.url).scheme
self.protocol = MirrorProtocol.objects.get(protocol=protocol)
except Exception as e:
raise ValidationError(e)
try:
families = self.address_families()
self.has_ipv4 = socket.AF_INET in families
self.has_ipv6 = socket.AF_INET6 in families
except socket.error as e:
# We don't fail in this case; we'll just set both to False
self.has_ipv4 = False
self.has_ipv6 = False
def __unicode__(self):
return self.url
class Meta:
verbose_name = 'Mirror URL'
class MirrorRsync(models.Model):
ip = models.CharField(max_length=24)
mirror = models.ForeignKey(Mirror, related_name="rsync_ips")
def __unicode__(self):
return "%s" % (self.ip)
class Meta:
verbose_name = 'Mirror Rsync IP'
class MirrorLog(models.Model):
url = models.ForeignKey(MirrorUrl, related_name="logs")
check_time = models.DateTimeField(db_index=True)
last_sync = models.DateTimeField(null=True)
duration = models.FloatField(null=True)
is_success = models.BooleanField(default=True)
error = models.CharField(max_length=255, blank=True, default='')
def __unicode__(self):
return "Check of %s at %s" % (self.url.url, self.check_time)
class Meta:
verbose_name = 'Mirror Check Log'
# vim: set ts=4 sw=4 et:
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