CORD-1177: Brought vOLT service over to xproto
Change-Id: Ia80b9bef655302694d7a48fde2aa16d04ae657a5
diff --git a/xos/attic/volttenant_model.py b/xos/attic/volttenant_model.py
new file mode 100644
index 0000000..e9a101b
--- /dev/null
+++ b/xos/attic/volttenant_model.py
@@ -0,0 +1,117 @@
+def __init__(self, *args, **kwargs):
+ volt_services = VOLTService.get_service_objects().all()
+ if volt_services:
+ self._meta.get_field("provider_service").default = volt_services[0].id
+ super(VOLTTenant, self).__init__(*args, **kwargs)
+ self.cached_vcpe = None
+
+@property
+def vcpe(self):
+ from services.vsg.models import VSGTenant
+ vcpe = self.get_newest_subscribed_tenant(VSGTenant)
+ if not vcpe:
+ return None
+
+ # always return the same object when possible
+ if (self.cached_vcpe) and (self.cached_vcpe.id == vcpe.id):
+ return self.cached_vcpe
+
+ vcpe.caller = self.creator
+ self.cached_vcpe = vcpe
+ return vcpe
+
+@vcpe.setter
+def vcpe(self, value):
+ raise XOSConfigurationError("vOLT.vCPE cannot be set this way -- create a new vCPE object and set its subscriber_tenant instead")
+
+@property
+def subscriber(self):
+ if not self.subscriber_root:
+ return None
+ subs = CordSubscriberRoot.objects.filter(id=self.subscriber_root.id)
+ if not subs:
+ return None
+ return subs[0]
+
+def manage_vcpe(self):
+ # Each VOLT object owns exactly one VCPE object
+
+ if self.deleted:
+ return
+
+ # Check to see if the wrong s-tag is set. This can only happen if the
+ # user changed the s-tag after the VoltTenant object was created.
+ if self.vcpe and self.vcpe.instance:
+ s_tags = Tag.select_by_content_object(self.vcpe.instance).filter(name="s_tag")
+ if s_tags and (s_tags[0].value != str(self.s_tag)):
+ self.vcpe.delete()
+
+ if self.vcpe is None:
+ from services.vsg.models import VSGService, VSGTenant
+ vsgServices = VSGService.get_service_objects().all()
+ if not vsgServices:
+ raise XOSConfigurationError("No VSG Services available")
+
+ vcpe = VSGTenant(provider_service = vsgServices[0],
+ subscriber_tenant = self)
+ vcpe.caller = self.creator
+ vcpe.save()
+
+def manage_subscriber(self):
+ if (self.subscriber_root is None):
+ # The vOLT is not connected to a Subscriber, so either find an
+ # existing subscriber with the same SSID, or autogenerate a new
+ # subscriber.
+ #
+ # TODO: This probably goes away when we rethink the ONOS-to-XOS
+ # vOLT API.
+
+ subs = CordSubscriberRoot.get_tenant_objects().filter(service_specific_id = self.service_specific_id)
+ if subs:
+ sub = subs[0]
+ else:
+ sub = CordSubscriberRoot(service_specific_id = self.service_specific_id,
+ name = "autogenerated-for-vOLT-%s" % self.id)
+ sub.save()
+ self.subscriber_root = sub
+ self.save()
+
+def cleanup_vcpe(self):
+ if self.vcpe:
+ # print "XXX cleanup vcpe", self.vcpe
+ self.vcpe.delete()
+
+def cleanup_orphans(self):
+ from services.vsg.models import VSGTenant
+ # ensure vOLT only has one vCPE
+ cur_vcpe = self.vcpe
+ for vcpe in list(self.get_subscribed_tenants(VSGTenant)):
+ if (not cur_vcpe) or (vcpe.id != cur_vcpe.id):
+ # print "XXX clean up orphaned vcpe", vcpe
+ vcpe.delete()
+
+def save(self, *args, **kwargs):
+ # VOLTTenant probably doesn't need a SSID anymore; that will be handled
+ # by CORDSubscriberRoot...
+ # self.validate_unique_service_specific_id()
+
+ if (self.subscriber_root is not None):
+ subs = self.subscriber_root.get_subscribed_tenants(VOLTTenant)
+ if (subs) and (self not in subs):
+ raise XOSDuplicateKey("Subscriber should only be linked to one vOLT")
+
+ if not self.creator:
+ if not getattr(self, "caller", None):
+ # caller must be set when creating a vCPE since it creates a slice
+ raise XOSProgrammingError("VOLTTenant's self.caller was not set")
+ self.creator = self.caller
+ if not self.creator:
+ raise XOSProgrammingError("VOLTTenant's self.creator was not set")
+
+ super(VOLTTenant, self).save(*args, **kwargs)
+ model_policy_volt(self.pk)
+
+def delete(self, *args, **kwargs):
+ self.cleanup_vcpe()
+ super(VOLTTenant, self).delete(*args, **kwargs)
+