Updating VEG to current VSG and porting to 4.0

Change-Id: I96bfee869b1a137786413306dab80d7e257aee30
(cherry picked from commit 40731830c4a0c37006702647f49c625c369b1a77)
diff --git a/xos/attic/header.py b/xos/attic/header.py
index b512cb0..2c1b707 100644
--- a/xos/attic/header.py
+++ b/xos/attic/header.py
@@ -1,4 +1,3 @@
-
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,27 +11,24 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-
 from django.db import models
-from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, NetworkParameter, NetworkParameterType, Port, AddressPool, User
-from core.models.plcorebase import StrippedCharField
+from core.models import Service, XOSBase, Slice, Instance, TenantWithContainer, Node, Image, User, Flavor, NetworkParameter, NetworkParameterType, Port, AddressPool, User
+from core.models.xosbase import StrippedCharField
 import os
 from django.db import models, transaction
-from django.db.models import *
-
 from django.forms.models import model_to_dict
-from django.db.models import Q
+from django.db.models import *
 from operator import itemgetter, attrgetter, methodcaller
 from core.models import Tag
 from core.models.service import LeastLoadedNodeScheduler
-from services.vrouter.models import VRouterService, VRouterTenant
+from services.addressmanager.models import AddressManagerService, AddressManagerServiceInstance
 import traceback
 from xos.exceptions import *
-from xos.config import Config
+from django.contrib.contenttypes.models import ContentType
 
 class ConfigurationError(Exception):
     pass
 
 VEG_KIND = "vEG"
 CORD_SUBSCRIBER_KIND = "CordSubscriberRoot"
+
diff --git a/xos/attic/vegtenant_model.py b/xos/attic/vegtenant_model.py
index 253d0d2..1c1d15a 100644
--- a/xos/attic/vegtenant_model.py
+++ b/xos/attic/vegtenant_model.py
@@ -21,25 +21,24 @@
 
 def __init__(self, *args, **kwargs):
     super(VEGTenant, self).__init__(*args, **kwargs)
-    self.cached_vrouter=None
-
+    self.cached_address_service_instance = None
 @property
-def vrouter(self):
-    vrouter = self.get_newest_subscribed_tenant(VRouterTenant)
-    if not vrouter:
+def address_service_instance(self):
+    address_service_instance = self.get_newest_subscribed_tenant(AddressManagerServiceInstance)
+    if not address_service_instance:
         return None
 
     # always return the same object when possible
-    if (self.cached_vrouter) and (self.cached_vrouter.id == vrouter.id):
-        return self.cached_vrouter
+    if (self.cached_address_service_instance) and (self.cached_address_service_instance.id == address_service_instance.id):
+        return self.cached_address_service_instance
 
-    vrouter.caller = self.creator
-    self.cached_vrouter = vrouter
-    return vrouter
+    address_service_instance.caller = self.creator
+    self.cached_address_service_instance = address_service_instance
+    return address_service_instance
 
-@vrouter.setter
-def vrouter(self, value):
-    raise XOSConfigurationError("vEGTenant.vrouter setter is not implemented")
+@address_service_instance.setter
+def address_service_instance(self, value):
+    raise XOSConfigurationError("VEGTenant.address_service_instance setter is not implemented")
 
 @property
 def volt(self):
@@ -62,46 +61,46 @@
     else:
         return "no-instance"
 
-def get_vrouter_field(self, name, default=None):
-    if self.vrouter:
-        return getattr(self.vrouter, name, default)
+def get_address_service_instance_field(self, name, default=None):
+    if self.address_service_instance:
+        return getattr(self.address_service_instance, name, default)
     else:
         return default
 
 @property
 def wan_container_ip(self):
-    return self.get_vrouter_field("public_ip", None)
+    return self.get_address_service_instance_field("public_ip", None)
 
 @property
 def wan_container_mac(self):
-    return self.get_vrouter_field("public_mac", None)
+    return self.get_address_service_instance_field("public_mac", None)
 
 @property
 def wan_container_netbits(self):
-    return self.get_vrouter_field("netbits", None)
+    return self.get_address_service_instance_field("netbits", None)
 
 @property
 def wan_container_gateway_ip(self):
-    return self.get_vrouter_field("gateway_ip", None)
+    return self.get_address_service_instance_field("gateway_ip", None)
 
 @property
 def wan_container_gateway_mac(self):
-    return self.get_vrouter_field("gateway_mac", None)
+    return self.get_address_service_instance_field("gateway_mac", None)
 
 @property
 def wan_vm_ip(self):
-    tags = Tag.select_by_content_object(self.instance).filter(name="vm_vrouter_tenant")
+    tags = Tag.objects.filter(content_type=self.instance.get_content_type_key(), object_id=self.instance.id, name="vm_vrouter_tenant")
     if tags:
-        tenant = VRouterTenant.objects.get(id=tags[0].value)
+        tenant = AddressManagerServiceInstance.objects.get(id=tags[0].value)
         return tenant.public_ip
     else:
         raise Exception("no vm_vrouter_tenant tag for instance %s" % o.instance)
 
 @property
 def wan_vm_mac(self):
-    tags = Tag.select_by_content_object(self.instance).filter(name="vm_vrouter_tenant")
+    tags = Tag.objects.filter(content_type=self.instance.get_content_type_key(), object_id=self.instance.id, name="vm_vrouter_tenant")
     if tags:
-        tenant = VRouterTenant.objects.get(id=tags[0].value)
+        tenant = AddressManagerServiceInstance.objects.get(id=tags[0].value)
         return tenant.public_mac
     else:
         raise Exception("no vm_vrouter_tenant tag for instance %s" % o.instance)
@@ -113,191 +112,7 @@
 @is_synced.setter
 def is_synced(self, value):
     pass
-
-def get_vrouter_service(self):
-    vrouterServices = VRouterService.get_service_objects().all()
-    if not vrouterServices:
-        raise XOSConfigurationError("No VROUTER Services available")
-    return vrouterServices[0]
-
-def manage_vrouter(self):
-    # Each vEG object owns exactly one vRouterTenant object
-
-    if self.deleted:
-        return
-
-    if self.vrouter is None:
-        vrouter = self.get_vrouter_service().get_tenant(address_pool_name="addresses_veg", subscriber_tenant = self)
-        vrouter.caller = self.creator
-        vrouter.save()
-
-def cleanup_vrouter(self):
-    if self.vrouter:
-        # print "XXX cleanup vrouter", self.vrouter
-        self.vrouter.delete()
-
-def cleanup_orphans(self):
-    # ensure vEG only has one vRouter
-    cur_vrouter = self.vrouter
-    for vrouter in list(self.get_subscribed_tenants(VRouterTenant)):
-        if (not cur_vrouter) or (vrouter.id != cur_vrouter.id):
-            # print "XXX clean up orphaned vrouter", vrouter
-            vrouter.delete()
-
-    if self.orig_instance_id and (self.orig_instance_id != self.get_attribute("instance_id")):
-        instances=Instance.objects.filter(id=self.orig_instance_id)
-        if instances:
-            # print "XXX clean up orphaned instance", instances[0]
-            instances[0].delete()
-
-def get_slice(self):
-    if not self.provider_service.slices.count():
-        print self, "dio porco"
-        raise XOSConfigurationError("The service has no slices")
-    slice = self.provider_service.slices.all()[0]
-    return slice
-
-def get_veg_service(self):
-    return VEGService.get_service_objects().get(id=self.provider_service.id)
-
-def find_instance_for_s_tag(self, s_tag):
-    #s_tags = STagBlock.objects.find(s_s_tag)
-    #if s_tags:
-    #    return s_tags[0].instance
-
-    tags = Tag.objects.filter(name="s_tag", value=s_tag)
-    if tags:
-        return tags[0].content_object
-
-    return None
-
-def find_or_make_instance_for_s_tag(self, s_tag):
-    instance = self.find_instance_for_s_tag(self.volt.s_tag)
-    if instance:
-        return instance
-
-    flavors = Flavor.objects.filter(name="m1.small")
-    if not flavors:
-        raise XOSConfigurationError("No m1.small flavor")
-
-    slice = self.provider_service.slices.all()[0]
-
-    if slice.default_isolation == "container_vm":
-        (node, parent) = ContainerVmScheduler(slice).pick()
-    else:
-        (node, parent) = LeastLoadedNodeScheduler(slice, label=self.get_veg_service().node_label).pick()
-
-    instance = Instance(slice = slice,
-                    node = node,
-                    image = self.image,
-                    creator = self.creator,
-                    deployment = node.site_deployment.deployment,
-                    flavor = flavors[0],
-                    isolation = slice.default_isolation,
-                    parent = parent)
-
-    self.save_instance(instance)
-
-    return instance
-
-def manage_container(self):
-    from core.models import Instance, Flavor
-
-    if self.deleted:
-        return
-
-    # For container or container_vm isolation, use what TenantWithCotnainer
-    # provides us
-    slice = self.get_slice()
-    if slice.default_isolation in ["container_vm", "container"]:
-        super(VEGTenant,self).manage_container()
-        return
-
-    if not self.volt:
-        raise XOSConfigurationError("This vEG container has no volt")
-
-    if self.instance:
-        # We're good.
-        return
-
-    instance = self.find_or_make_instance_for_s_tag(self.volt.s_tag)
-    self.instance = instance
-    super(TenantWithContainer, self).save()
-
-def cleanup_container(self):
-    if self.get_slice().default_isolation in ["container_vm", "container"]:
-        super(VEGTenant,self).cleanup_container()
-
-    # To-do: cleanup unused instances
-    pass
-
-def find_or_make_port(self, instance, network, **kwargs):
-    port = Port.objects.filter(instance=instance, network=network)
-    if port:
-        port = port[0]
-    else:
-        port = Port(instance=instance, network=network, **kwargs)
-        port.save()
-    return port
-
-def get_lan_network(self, instance):
-    slice = self.provider_service.slices.all()[0]
-    # there should only be one network private network, and its template should not be the management template
-    lan_networks = [x for x in slice.networks.all() if x.template.visibility == "private" and (not "management" in x.template.name)]
-    if len(lan_networks) > 1:
-        raise XOSProgrammingError("The vEG slice should only have one non-management private network")
-    if not lan_networks:
-        raise XOSProgrammingError("No lan_network")
-    return lan_networks[0]
-
-def save_instance(self, instance):
-    with transaction.atomic():
-        instance.volumes = "/etc/dnsmasq.d,/etc/ufw"
-        super(VEGTenant, self).save_instance(instance)
-
-        if instance.isolation in ["container", "container_vm"]:
-            lan_network = self.get_lan_network(instance)
-            port = self.find_or_make_port(instance, lan_network, ip="192.168.0.1", port_id="unmanaged")
-            port.set_parameter("c_tag", self.volt.c_tag)
-            port.set_parameter("s_tag", self.volt.s_tag)
-            port.set_parameter("device", "eth1")
-            port.set_parameter("bridge", "br-lan")
-
-            wan_networks = [x for x in instance.slice.networks.all() if "wan" in x.name]
-            if not wan_networks:
-                raise XOSProgrammingError("No wan_network")
-            port = self.find_or_make_port(instance, wan_networks[0])
-            port.set_parameter("next_hop", value="10.0.1.253")   # FIX ME
-            port.set_parameter("device", "eth0")
-
-        if instance.isolation in ["vm"]:
-            lan_network = self.get_lan_network(instance)
-            port = self.find_or_make_port(instance, lan_network)
-            port.set_parameter("c_tag", self.volt.c_tag)
-            port.set_parameter("s_tag", self.volt.s_tag)
-            port.set_parameter("neutron_port_name", "stag-%s" % self.volt.s_tag)
-            port.save()
-
-        # tag the instance with the s-tag, so we can easily find the
-        # instance later
-        if self.volt and self.volt.s_tag:
-            tags = Tag.objects.filter(name="s_tag", value=self.volt.s_tag)
-            if not tags:
-                tag = Tag(service=self.provider_service, content_object=instance, name="s_tag", value=self.volt.s_tag)
-                tag.save()
-
-        # VTN-CORD needs a WAN address for the VM, so that the VM can
-        # be configured.
-        tags = Tag.select_by_content_object(instance).filter(name="vm_vrouter_tenant")
-
-        if not tags:
-            vrouter = self.get_vrouter_service().get_tenant(address_pool_name="addresses_veg", subscriber_service=self.provider_service)
-            vrouter.set_attribute("tenant_for_instance_id", instance.id)
-            vrouter.save()
-            tag = Tag(service=self.provider_service, content_object=instance, name="vm_vrouter_tenant",value="%d" % vrouter.id)
-            tag.save()
-
-def __xos_save_base(self, *args, **kwargs):
+def save(self, *args, **kwargs):
     if not self.creator:
         if not getattr(self, "caller", None):
             # caller must be set when creating a vEG since it creates a slice
@@ -307,11 +122,7 @@
             raise XOSProgrammingError("VEGTenant's self.creator was not set")
 
     super(VEGTenant, self).save(*args, **kwargs)
-    model_policy_veg(self.pk)
-    return True     # Indicate that we called super.save()
+
 
 def delete(self, *args, **kwargs):
-    self.cleanup_vrouter()
-    self.cleanup_container()
     super(VEGTenant, self).delete(*args, **kwargs)
-