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8 years ago
from django.db import models
from django.db.models import Q
# Create your models here.
class ConfigHost(models.Model):
('CMK', "Check MK"),
('PLAIN', "Plain"),
# asno, ip, check method,
name = models.CharField(max_length=50)
number = models.IntegerField()
ip = models.GenericIPAddressField()
checkMethod = models.CharField(max_length=4, choices=CHECK_CHOICES)
def __unicode__(self):
return u"%s (%s / %s)" % (, self.number, self.ip)
class CrawlRun(models.Model):
# time start, time end,
startTime = models.DateTimeField()
endTime = models.DateTimeField(null=True, blank=True)
hostsCrawled = models.ManyToManyField(ConfigHost, null=True, blank=True)
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def __unicode__(self):
return u"Run %d - %s to %s" % (, self.startTime, self.endTime if self.endTime else "?")
def countAS(self):
return self.as_set.count()
def countASOnline(self):
return self.as_set.filter(online=True).count()
def countASOffline(self):
return self.as_set.filter(online=False).count()
def countPeerings(self):
return Peering.objects.filter(Q(as1__crawl=self)|Q(as2__crawl=self)).count()
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class CrawlLog(models.Model):
(INFO, 'info'),
(ERROR, 'error'),
(DEBUG, 'debug'),
(WARN, 'warning'),
crawl = models.ForeignKey(CrawlRun)
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host = models.ForeignKey(ConfigHost, null=True, blank=True, on_delete=models.SET_NULL)
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logtime = models.DateTimeField(auto_now_add=True)
severity = models.CharField(max_length=10, choices=SEVERITY)
message = models.TextField()
def log(crawl, msg, severity=None, host=None):
if not severity:
severity = CrawlLog.ERROR
log = CrawlLog()
log.crawl = crawl
log.message = msg
log.severity = severity = host
def __unicode__(self):
host = "host %s - " % if else ""
return u"Log %s %s: %s%s" % (self.get_severity_display(), self.logtime, host, self.message)
class AS(models.Model):
# asno
crawl = models.ForeignKey(CrawlRun)
number = models.IntegerField()
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directlyCrawled = models.BooleanField(default=False)
online = models.BooleanField(default=True)
lastSeen = models.ForeignKey(CrawlRun, blank=True, null=True, default=None, related_name='as_lastseen')
class Meta:
unique_together = (('crawl', 'number'),)
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def __unicode__(self):
return u"AS %s (crawl %d)" % (self.number,
def setOnline(self):
if not = True
self.lastSeen = None
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def getPeerings(self):
return Peering.objects.filter(Q(as1=self)|Q(as2=self))
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def formatLastSeen(self):
if self.lastSeen:
return self.lastSeen.startTime.strftime("%d.%m.%Y %H:%I")
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class BorderRouter(models.Model):
# as id, ip, check method, pingable, reachable
# unique: (crawl_id, asno, as id)
AS = models.ForeignKey(AS)
routerID = models.GenericIPAddressField()
pingable = models.BooleanField(default=False)
reachable = models.BooleanField(default=False)
def __unicode__(self):
p = "p" if self.pingable else "!p"
r = "r" if self.reachable else "!r"
return u"Router %s (AS %s, %s%s)" % (self.routerID, self.AS.number, p, r)
class Announcement(models.Model):
router = models.ForeignKey(BorderRouter)
ip = models.GenericIPAddressField()
prefix = models.IntegerField()
# NOTE: increase length for longer pathes (currently supports a length of ~85)
ASPath = models.CharField(max_length=512)
nextHop = models.GenericIPAddressField()
originAS = models.ForeignKey(AS)
def __unicode__(self):
return u"%s/%s via %s (crawl %s)" % (self.ip, self.prefix, self.ASPath,
class Peering(models.Model):
DIRECT = 'direct'
PATH = 'path'
(PATH, 'BGP Path'),
(DIRECT, 'Direct Connection'),
as1 = models.ForeignKey(AS, related_name='peering1')
as2 = models.ForeignKey(AS, related_name='peering2')
origin = models.CharField(max_length=10, choices=ORIGIN)
def __unicode__(self):
return u"AS %s <--> AS %s (%s, crawl %s)" % (self.as1.number, self.as2.number, self.get_origin_display(),
def containsAS(self, AS):
return AS in (self.as1, self.as2)
def getPeering(as1, as2):
""" Find matching peering """
return Peering.objects.get(as1=as1, as2=as2)
except Peering.DoesNotExist:
return Peering.objects.get(as1=as2, as2=as1)
class BorderRouterPair(models.Model):
peering = models.ForeignKey(Peering)
router1 = models.ForeignKey(BorderRouter, default=None, blank=True, null=True, related_name='routerpair1')
router2 = models.ForeignKey(BorderRouter, default=None, blank=True, null=True, related_name='routerpair2')
def __unicode__(self):
return u"%s <--> %s (crawl %d)" % (self.router1, self.router2,
def getPairing(peering, router1, router2):
return BorderRouterPair.objects.get(peering=peering, router1=router1, router2=router2)
except BorderRouterPair.DoesNotExist:
return BorderRouterPair.objects.get(peering=peering, router1=router2, router2=router1)