--- /dev/null
+import os
+import socket
+from django.db import models
+from core.models import PlCoreBase, Site, Slice, Sliver
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes import generic
+
+# If true, then IP addresses will be allocated by the model. If false, then
+# we will assume the observer handles it.
+NO_OBSERVER=False
+
+class NetworkTemplate(PlCoreBase):
+ VISIBILITY_CHOICES = (('public', 'public'), ('private', 'private'))
+ TRANSLATION_CHOICES = (('none', 'none'), ('NAT', 'NAT'))
+
+ name = models.CharField(max_length=32)
+ description = models.CharField(max_length=1024, blank=True, null=True)
+ guaranteedBandwidth = models.IntegerField(default=0)
+ visibility = models.CharField(max_length=30, choices=VISIBILITY_CHOICES, default="private")
+ translation = models.CharField(max_length=30, choices=TRANSLATION_CHOICES, default="none")
+ sharedNetworkName = models.CharField(max_length=30, blank=True, null=True)
+ sharedNetworkId = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
+
+ def __unicode__(self): return u'%s' % (self.name)
+
+class Network(PlCoreBase):
+ name = models.CharField(max_length=32)
+ template = models.ForeignKey(NetworkTemplate)
+ subnet = models.CharField(max_length=32, blank=True)
+ ports = models.CharField(max_length=1024, blank=True, null=True)
+ labels = models.CharField(max_length=1024, blank=True, null=True)
+ owner = models.ForeignKey(Slice, related_name="ownedNetworks")
+
+ guaranteedBandwidth = models.IntegerField(default=0)
+ permitAllSlices = models.BooleanField(default=False)
+ permittedSlices = models.ManyToManyField(Slice, blank=True, related_name="availableNetworks")
+ slices = models.ManyToManyField(Slice, blank=True, related_name="networks", through="NetworkSlice")
+ slivers = models.ManyToManyField(Sliver, blank=True, related_name="networks", through="NetworkSliver")
+
+ # for observer/manager
+ network_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
+ router_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum router id")
+ subnet_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum subnet id")
+
+ def __unicode__(self): return u'%s' % (self.name)
+
+ def save(self, *args, **kwds):
+ if (not self.subnet) and (NO_OBSERVER):
+ from util.network_subnet_allocator import find_unused_subnet
+ self.subnet = find_unused_subnet(existing_subnets=[x.subnet for x in Network.objects.all()])
+ super(Network, self).save(*args, **kwds)
+
+class NetworkSlice(PlCoreBase):
+ # This object exists solely so we can implement the permission check when
+ # adding slices to networks. It adds no additional fields to the relation.
+
+ network = models.ForeignKey(Network)
+ slice = models.ForeignKey(Slice)
+
+ def save(self, *args, **kwds):
+ slice = self.slice
+ if (slice not in self.network.permittedSlices.all()) and (slice != self.network.owner) and (not self.network.permitAllSlices):
+ # to add a sliver to the network, then one of the following must be true:
+ # 1) sliver's slice is in network's permittedSlices list,
+ # 2) sliver's slice is network's owner, or
+ # 3) network's permitAllSlices is true
+ raise ValueError("Slice %s is not allowed to connect to network %s" % (str(slice), str(self.network)))
+
+ super(NetworkSlice, self).save(*args, **kwds)
+
+ def __unicode__(self): return u'%s-%s' % (self.network.name, self.slice.name)
+
+class NetworkSliver(PlCoreBase):
+ network = models.ForeignKey(Network)
+ sliver = models.ForeignKey(Sliver)
+ ip = models.GenericIPAddressField(help_text="Sliver ip address", blank=True, null=True)
+ port_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum port id")
+
+ def save(self, *args, **kwds):
+ slice = self.sliver.slice
+ if (slice not in self.network.permittedSlices.all()) and (slice != self.network.owner) and (not self.network.permitAllSlices):
+ # to add a sliver to the network, then one of the following must be true:
+ # 1) sliver's slice is in network's permittedSlices list,
+ # 2) sliver's slice is network's owner, or
+ # 3) network's permitAllSlices is true
+ raise ValueError("Slice %s is not allowed to connect to network %s" % (str(slice), str(self.network)))
+
+ if (not self.ip) and (NO_OBSERVER):
+ from util.network_subnet_allocator import find_unused_address
+ self.ip = find_unused_address(self.network.subnet,
+ [x.ip for x in self.network.networksliver_set.all()])
+ super(NetworkSliver, self).save(*args, **kwds)
+
+ def __unicode__(self): return u'%s-%s' % (self.network.name, self.sliver.instance_name)
+
+class Router(PlCoreBase):
+ name = models.CharField(max_length=32)
+ owner = models.ForeignKey(Slice, related_name="routers")
+ permittedNetworks = models.ManyToManyField(Network, blank=True, related_name="availableRouters")
+ networks = models.ManyToManyField(Network, blank=True, related_name="routers")
+
+ def __unicode__(self): return u'%s' % (self.name)
+
+class NetworkParameterType(PlCoreBase):
+ name = models.SlugField(help_text="The name of this parameter", max_length=128)
+ description = models.CharField(max_length=1024)
+
+ def __unicode__(self): return u'%s' % (self.name)
+
+class NetworkParameter(PlCoreBase):
+ parameter = models.ForeignKey(NetworkParameterType, related_name="parameters", help_text="The type of the parameter")
+ value = models.CharField(help_text="The value of this parameter", max_length=1024)
+
+ # The required fields to do a ObjectType lookup, and object_id assignment
+ content_type = models.ForeignKey(ContentType)
+ object_id = models.PositiveIntegerField()
+ content_object = generic.GenericForeignKey('content_type', 'object_id')
+
+ def __unicode__(self):
+ return self.parameter.name
+
+
git://git.onelab.eu / plstackapi.git / blobdiff