conntrackt Changeset - 079e7f2b0680

Changeset - 079e7f2b0680

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Branko Majic (branko) - 11 years ago 2013-07-15 22:39:31
branko@majic.rs

Noticket: Added uniqueness enforcement for IP/address across same entity (i.e. prevent the entity from having multiple interfaces with same IP address.)

3 files changed with 78 insertions and 2 deletions:

conntrackt/migrations/0004_auto__add_unique_interface_netmask_address_entity.py

conntrackt/models.py

conntrackt/tests/test_models.py

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conntrackt/migrations/0004_auto__add_unique_interface_netmask_address_entity.py

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@@ new file 100644 @@
 # -*- coding: utf-8 -*-
 import datetime
 from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
 class Migration(SchemaMigration):
     def forwards(self, orm):
         # Adding unique constraint on 'Interface', fields ['netmask', 'address', 'entity']
         db.create_unique(u'conntrackt_interface', ['netmask', 'address', 'entity_id'])
     def backwards(self, orm):
         # Removing unique constraint on 'Interface', fields ['netmask', 'address', 'entity']
         db.delete_unique(u'conntrackt_interface', ['netmask', 'address', 'entity_id'])
     models = {
         u'conntrackt.communication': {
             'Meta': {'unique_together': "(('source', 'destination', 'protocol', 'port'),)", 'object_name': 'Communication'},
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             'destination': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'destination_set'", 'to': u"orm['conntrackt.Interface']"}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'port': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
             'protocol': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
             'source': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'source_set'", 'to': u"orm['conntrackt.Interface']"})
         },
         u'conntrackt.entity': {
             'Meta': {'unique_together': "(('name', 'project'),)", 'object_name': 'Entity'},
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'location': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['conntrackt.Location']"}),
             'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
             'project': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['conntrackt.Project']"})
         },
         u'conntrackt.interface': {
             'Meta': {'unique_together': "(('name', 'entity'), ('entity', 'address', 'netmask'))", 'object_name': 'Interface'},
             'address': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
             'description': ('django.db.models.fields.TextField', [], {'default': "'Main network interface.'", 'blank': 'True'}),
             'entity': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['conntrackt.Entity']"}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'name': ('django.db.models.fields.CharField', [], {'default': "'eth0'", 'max_length': '100'}),
             'netmask': ('django.db.models.fields.IPAddressField', [], {'default': "'255.255.255.255'", 'max_length': '15'})
         },
         u'conntrackt.location': {
             'Meta': {'object_name': 'Location'},
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
         },
         u'conntrackt.project': {
             'Meta': {'object_name': 'Project'},
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '100'})
+        }
+    }
     complete_apps = ['conntrackt']
@@ \ No newline at end of file @@

conntrackt/models.py

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@@ @@ -197,8 +197,10 @@ class Interface(models.Model): @@
     netmask = models.IPAddressField(default='255.255.255.255')
     class Meta:
         # Enforce uniqueness of interface name in an entity.
         unique_together = ("name", "entity")
         # Enforce uniqueness of interface name in an entity. Enforce uniqueness
         # of IP address in a subnet for an entity.
         unique_together = (("name", "entity"),
                            ("entity", "address", "netmask"),)
     def __unicode__(self):
         """

conntrackt/tests/test_models.py

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@@ @@ -146,6 +146,19 @@ class InterfaceTest(TestCase): @@
         self.assertRaises(IntegrityError, duplicate.save)
     def test_unique_address(self):
         """
         Test if unique address/netmask is enforced across same entity.
         """
         entity = Entity.objects.get(pk=1)
         interface = entity.interface_set.get(pk=1)
         duplicate = Interface(name="eth1", description="Duplicate address", entity=entity, address=interface.address, netmask=interface.netmask)
         self.assertRaises(IntegrityError, duplicate.save)
     def test_representation_single(self):
         """
         Test representation of single IP address.

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