trunk merge

26 files changed, 831 insertions, 104 deletions

diff --git a/bin/nova-manage b/bin/nova-manage
index 1e2043296..9d67ed95b 100755
--- a/bin/nova-manage
+++ b/bin/nova-manage
@@ -263,6 +263,11 @@ class RoleCommands(object):
         """adds role to user
         if project is specified, adds project specific role
         arguments: user, role [project]"""
+        if project:
+            projobj = self.manager.get_project(project)
+            if not projobj.has_member(user):
+                print "%s not a member of %s" % (user, project)
+                return
         self.manager.add_role(user, role, project)
 
     def has(self, user, role, project=None):
@@ -900,7 +905,7 @@ class InstanceTypeCommands(object):
         try:
             instance_types.create(name, memory, vcpus, local_gb,
                                   flavorid, swap, rxtx_quota, rxtx_cap)
-        except exception.InvalidInputException:
+        except exception.InvalidInput:
             print "Must supply valid parameters to create instance_type"
             print e
             sys.exit(1)
diff --git a/nova/api/ec2/admin.py b/nova/api/ec2/admin.py
index 57d0a0339..343bc61c4 100644
--- a/nova/api/ec2/admin.py
+++ b/nova/api/ec2/admin.py
@@ -21,7 +21,11 @@ Admin API controller, exposed through http via the api worker.
 """
 
 import base64
+import datetime
+import netaddr
+import urllib
 
+from nova import compute
 from nova import db
 from nova import exception
 from nova import flags
@@ -117,6 +121,9 @@ class AdminController(object):
     def __str__(self):
         return 'AdminController'
 
+    def __init__(self):
+        self.compute_api = compute.API()
+
     def describe_instance_types(self, context, **_kwargs):
         """Returns all active instance types data (vcpus, memory, etc.)"""
         return {'instanceTypeSet': [instance_dict(v) for v in
@@ -324,3 +331,41 @@ class AdminController(object):
             rv.append(host_dict(host, compute, instances, volume, volumes,
                                 now))
         return {'hosts': rv}
+
+    def _provider_fw_rule_exists(self, context, rule):
+        # TODO(todd): we call this repeatedly, can we filter by protocol?
+        for old_rule in db.provider_fw_rule_get_all(context):
+            if all([rule[k] == old_rule[k] for k in ('cidr', 'from_port',
+                                                     'to_port', 'protocol')]):
+                return True
+        return False
+
+    def block_external_addresses(self, context, cidr):
+        """Add provider-level firewall rules to block incoming traffic."""
+        LOG.audit(_('Blocking traffic to all projects incoming from %s'),
+                  cidr, context=context)
+        cidr = urllib.unquote(cidr).decode()
+        # raise if invalid
+        netaddr.IPNetwork(cidr)
+        rule = {'cidr': cidr}
+        tcp_rule = rule.copy()
+        tcp_rule.update({'protocol': 'tcp', 'from_port': 1, 'to_port': 65535})
+        udp_rule = rule.copy()
+        udp_rule.update({'protocol': 'udp', 'from_port': 1, 'to_port': 65535})
+        icmp_rule = rule.copy()
+        icmp_rule.update({'protocol': 'icmp', 'from_port': -1,
+                          'to_port': None})
+        rules_added = 0
+        if not self._provider_fw_rule_exists(context, tcp_rule):
+            db.provider_fw_rule_create(context, tcp_rule)
+            rules_added += 1
+        if not self._provider_fw_rule_exists(context, udp_rule):
+            db.provider_fw_rule_create(context, udp_rule)
+            rules_added += 1
+        if not self._provider_fw_rule_exists(context, icmp_rule):
+            db.provider_fw_rule_create(context, icmp_rule)
+            rules_added += 1
+        if not rules_added:
+            raise exception.ApiError(_('Duplicate rule'))
+        self.compute_api.trigger_provider_fw_rules_refresh(context)
+        return {'status': 'OK', 'message': 'Added %s rules' % rules_added}
diff --git a/nova/api/openstack/image_metadata.py b/nova/api/openstack/image_metadata.py
index ebfe2bde9..c0e92f2fc 100644
--- a/nova/api/openstack/image_metadata.py
+++ b/nova/api/openstack/image_metadata.py
@@ -16,6 +16,7 @@
 #    under the License.
 
 from webob import exc
+from xml.dom import minidom
 
 from nova import flags
 from nova import image
@@ -59,7 +60,7 @@ class Controller(object):
         context = req.environ['nova.context']
         metadata = self._get_metadata(context, image_id)
         if id in metadata:
-            return {id: metadata[id]}
+            return {'meta': {id: metadata[id]}}
         else:
             return faults.Fault(exc.HTTPNotFound())
 
@@ -77,15 +78,22 @@ class Controller(object):
 
     def update(self, req, image_id, id, body):
         context = req.environ['nova.context']
-        if not id in body:
+
+        try:
+            meta = body['meta']
+        except KeyError:
+            expl = _('Incorrect request body format')
+            raise exc.HTTPBadRequest(explanation=expl)
+
+        if not id in meta:
             expl = _('Request body and URI mismatch')
             raise exc.HTTPBadRequest(explanation=expl)
-        if len(body) > 1:
+        if len(meta) > 1:
             expl = _('Request body contains too many items')
             raise exc.HTTPBadRequest(explanation=expl)
         img = self.image_service.show(context, image_id)
         metadata = self._get_metadata(context, image_id, img)
-        metadata[id] = body[id]
+        metadata[id] = meta[id]
         self._check_quota_limit(context, metadata)
         img['properties'] = metadata
         self.image_service.update(context, image_id, img, None)
@@ -103,9 +111,55 @@ class Controller(object):
         self.image_service.update(context, image_id, img, None)
 
 
+class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer):
+    def __init__(self):
+        xmlns = wsgi.XMLNS_V11
+        super(ImageMetadataXMLSerializer, self).__init__(xmlns=xmlns)
+
+    def _meta_item_to_xml(self, doc, key, value):
+        node = doc.createElement('meta')
+        node.setAttribute('key', key)
+        text = doc.createTextNode(value)
+        node.appendChild(text)
+        return node
+
+    def _meta_list_to_xml(self, xml_doc, meta_items):
+        container_node = xml_doc.createElement('metadata')
+        for (key, value) in meta_items:
+            item_node = self._meta_item_to_xml(xml_doc, key, value)
+            container_node.appendChild(item_node)
+        return container_node
+
+    def _meta_list_to_xml_string(self, metadata_dict):
+        xml_doc = minidom.Document()
+        items = metadata_dict['metadata'].items()
+        container_node = self._meta_list_to_xml(xml_doc, items)
+        self._add_xmlns(container_node)
+        return container_node.toprettyxml(indent='    ')
+
+    def index(self, metadata_dict):
+        return self._meta_list_to_xml_string(metadata_dict)
+
+    def create(self, metadata_dict):
+        return self._meta_list_to_xml_string(metadata_dict)
+
+    def _meta_item_to_xml_string(self, meta_item_dict):
+        xml_doc = minidom.Document()
+        item_key, item_value = meta_item_dict.items()[0]
+        item_node = self._meta_item_to_xml(xml_doc, item_key, item_value)
+        self._add_xmlns(item_node)
+        return item_node.toprettyxml(indent='    ')
+
+    def show(self, meta_item_dict):
+        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+
+    def update(self, meta_item_dict):
+        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+
+
 def create_resource():
     serializers = {
-        'application/xml': wsgi.XMLDictSerializer(xmlns=wsgi.XMLNS_V11),
+        'application/xml': ImageMetadataXMLSerializer(),
     }
 
     return wsgi.Resource(Controller(), serializers=serializers)
diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py
index 5ffd8e96a..d43340e10 100644
--- a/nova/api/openstack/images.py
+++ b/nova/api/openstack/images.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import os.path
+
 import webob.exc
 
 from nova import compute
@@ -99,21 +101,27 @@ class Controller(object):
             raise webob.exc.HTTPBadRequest()
 
         try:
-            server_id = self._server_id_from_req_data(body)
+            server_id = self._server_id_from_req(req, body)
             image_name = body["image"]["name"]
         except KeyError:
             raise webob.exc.HTTPBadRequest()
 
-        image = self._compute_service.snapshot(context, server_id, image_name)
+        props = self._get_extra_properties(req, body)
+
+        image = self._compute_service.snapshot(context, server_id,
+                                               image_name, props)
         return dict(image=self.get_builder(req).build(image, detail=True))
 
     def get_builder(self, request):
         """Indicates that you must use a Controller subclass."""
         raise NotImplementedError
 
-    def _server_id_from_req_data(self, data):
+    def _server_id_from_req(self, req, data):
         raise NotImplementedError()
 
+    def _get_extra_properties(self, req, data):
+        return {}
+
 
 class ControllerV10(Controller):
     """Version 1.0 specific controller logic."""
@@ -149,8 +157,12 @@ class ControllerV10(Controller):
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=True) for image in images])
 
-    def _server_id_from_req_data(self, data):
-        return data['image']['serverId']
+    def _server_id_from_req(self, req, data):
+        try:
+            return data['image']['serverId']
+        except KeyError:
+            msg = _("Expected serverId attribute on server entity.")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
 
 
 class ControllerV11(Controller):
@@ -189,8 +201,27 @@ class ControllerV11(Controller):
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=True) for image in images])
 
-    def _server_id_from_req_data(self, data):
-        return data['image']['serverRef']
+    def _server_id_from_req(self, req, data):
+        try:
+            server_ref = data['image']['serverRef']
+        except KeyError:
+            msg = _("Expected serverRef attribute on server entity.")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        head, tail = os.path.split(server_ref)
+
+        if head and head != os.path.join(req.application_url, 'servers'):
+            msg = _("serverRef must match request url")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        return tail
+
+    def _get_extra_properties(self, req, data):
+        server_ref = data['image']['serverRef']
+        if not server_ref.startswith('http'):
+            server_ref = os.path.join(req.application_url, 'servers',
+                                      server_ref)
+        return {'instance_ref': server_ref}
 
 
 def create_resource(version='1.0'):
diff --git a/nova/api/openstack/views/images.py b/nova/api/openstack/views/images.py
index 2773c9c13..d6a054102 100644
--- a/nova/api/openstack/views/images.py
+++ b/nova/api/openstack/views/images.py
@@ -46,13 +46,9 @@ class ViewBuilder(object):
         except KeyError:
             image['status'] = image['status'].upper()
 
-    def _build_server(self, image, instance_id):
+    def _build_server(self, image, image_obj):
         """Indicates that you must use a ViewBuilder subclass."""
-        raise NotImplementedError
-
-    def generate_server_ref(self, server_id):
-        """Return an href string pointing to this server."""
-        return os.path.join(self._url, "servers", str(server_id))
+        raise NotImplementedError()
 
     def generate_href(self, image_id):
         """Return an href string pointing to this object."""
@@ -60,8 +56,6 @@ class ViewBuilder(object):
 
     def build(self, image_obj, detail=False):
         """Return a standardized image structure for display by the API."""
-        properties = image_obj.get("properties", {})
-
         self._format_dates(image_obj)
 
         if "status" in image_obj:
@@ -72,11 +66,7 @@ class ViewBuilder(object):
             "name": image_obj.get("name"),
         }
 
-        if "instance_id" in properties:
-            try:
-                self._build_server(image, int(properties["instance_id"]))
-            except ValueError:
-                pass
+        self._build_server(image, image_obj)
 
         if detail:
             image.update({
@@ -94,15 +84,21 @@ class ViewBuilder(object):
 class ViewBuilderV10(ViewBuilder):
     """OpenStack API v1.0 Image Builder"""
 
-    def _build_server(self, image, instance_id):
-        image["serverId"] = instance_id
+    def _build_server(self, image, image_obj):
+        try:
+            image['serverId'] = int(image_obj['properties']['instance_id'])
+        except (KeyError, ValueError):
+            pass
 
 
 class ViewBuilderV11(ViewBuilder):
     """OpenStack API v1.1 Image Builder"""
 
-    def _build_server(self, image, instance_id):
-        image["serverRef"] = self.generate_server_ref(instance_id)
+    def _build_server(self, image, image_obj):
+        try:
+            image['serverRef'] = image_obj['properties']['instance_ref']
+        except KeyError:
+            return
 
     def build(self, image_obj, detail=False):
         """Return a standardized image structure for display by the API."""
diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py
index a57b7f72b..5d24b4cca 100644
--- a/nova/api/openstack/wsgi.py
+++ b/nova/api/openstack/wsgi.py
@@ -232,12 +232,14 @@ class XMLDictSerializer(DictSerializer):
         doc = minidom.Document()
         node = self._to_xml_node(doc, self.metadata, root_key, data[root_key])
 
-        xmlns = node.getAttribute('xmlns')
-        if not xmlns and self.xmlns:
-            node.setAttribute('xmlns', self.xmlns)
+        self._add_xmlns(node)
 
         return node.toprettyxml(indent='    ', encoding='utf-8')
 
+    def _add_xmlns(self, node):
+        if self.xmlns is not None:
+            node.setAttribute('xmlns', self.xmlns)
+
     def _to_xml_node(self, doc, metadata, nodename, data):
         """Recursive method to convert data members to XML nodes."""
         result = doc.createElement(nodename)
diff --git a/nova/compute/api.py b/nova/compute/api.py
index 9f4d4899f..4eff7bac0 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -478,6 +478,16 @@ class API(base.Base):
                      {"method": "refresh_security_group_members",
                       "args": {"security_group_id": group_id}})
 
+    def trigger_provider_fw_rules_refresh(self, context):
+        """Called when a rule is added to or removed from a security_group"""
+
+        hosts = [x['host'] for (x, idx)
+                           in db.service_get_all_compute_sorted(context)]
+        for host in hosts:
+            rpc.cast(context,
+                     self.db.queue_get_for(context, FLAGS.compute_topic, host),
+                     {'method': 'refresh_provider_fw_rules', 'args': {}})
+
     def update(self, context, instance_id, **kwargs):
         """Updates the instance in the datastore.
 
@@ -683,7 +693,7 @@ class API(base.Base):
         raise exception.Error(_("Unable to find host for Instance %s")
                                 % instance_id)
 
-    def snapshot(self, context, instance_id, name):
+    def snapshot(self, context, instance_id, name, extra_properties=None):
         """Snapshot the given instance.
 
         :returns: A dict containing image metadata
@@ -691,6 +701,7 @@ class API(base.Base):
         properties = {'instance_id': str(instance_id),
                       'user_id': str(context.user_id),
                       'image_state': 'creating'}
+        properties.update(extra_properties or {})
         sent_meta = {'name': name, 'is_public': False,
                      'status': 'creating', 'properties': properties}
         recv_meta = self.image_service.create(context, sent_meta)
diff --git a/nova/compute/manager.py b/nova/compute/manager.py
index 8021154eb..102a3c5a7 100644
--- a/nova/compute/manager.py
+++ b/nova/compute/manager.py
@@ -201,6 +201,11 @@ class ComputeManager(manager.SchedulerDependentManager):
         """
         return self.driver.refresh_security_group_members(security_group_id)
 
+    @exception.wrap_exception
+    def refresh_provider_fw_rules(self, context, **_kwargs):
+        """This call passes straight through to the virtualization driver."""
+        return self.driver.refresh_provider_fw_rules()
+
     def _setup_block_device_mapping(self, context, instance_id):
         """setup volumes for block device mapping"""
         self.db.instance_set_state(context,
@@ -277,39 +282,45 @@ class ComputeManager(manager.SchedulerDependentManager):
                                    'networking')
 
         is_vpn = instance['image_ref'] == str(FLAGS.vpn_image_id)
-        # NOTE(vish): This could be a cast because we don't do anything
-        #             with the address currently, but I'm leaving it as
-        #             a call to ensure that network setup completes.  We
-        #             will eventually also need to save the address here.
-        if not FLAGS.stub_network:
-            network_info = self.network_api.allocate_for_instance(context,
-                                                                  instance,
-                                                                  vpn=is_vpn)
-            LOG.debug(_("instance network_info: |%s|"), network_info)
-            self.network_manager.setup_compute_network(context, instance_id)
-        else:
-            # TODO(tr3buchet) not really sure how this should be handled.
-            # virt requires network_info to be passed in but stub_network
-            # is enabled. Setting to [] for now will cause virt to skip
-            # all vif creation and network injection, maybe this is correct
-            network_info = []
-
-        block_device_mapping = self._setup_block_device_mapping(context,
-                                                                instance_id)
+        try:
+            # NOTE(vish): This could be a cast because we don't do anything
+            #             with the address currently, but I'm leaving it as
+            #             a call to ensure that network setup completes.  We
+            #             will eventually also need to save the address here.
+            if not FLAGS.stub_network:
+                network_info = self.network_api.allocate_for_instance(context,
+                                                         instance, vpn=is_vpn)
+                LOG.debug(_("instance network_info: |%s|"), network_info)
+                self.network_manager.setup_compute_network(context,
+                                                           instance_id)
+            else:
+                # TODO(tr3buchet) not really sure how this should be handled.
+                # virt requires network_info to be passed in but stub_network
+                # is enabled. Setting to [] for now will cause virt to skip
+                # all vif creation and network injection, maybe this is correct
+                network_info = []
 
-        # TODO(vish) check to make sure the availability zone matches
-        self._update_state(context, instance_id, power_state.BUILDING)
+            bd_mapping = self._setup_block_device_mapping(context, instance_id)
 
-        try:
-            self.driver.spawn(instance, network_info, block_device_mapping)
-        except Exception as ex:  # pylint: disable=W0702
-            msg = _("Instance '%(instance_id)s' failed to spawn. Is "
-                    "virtualization enabled in the BIOS? Details: "
-                    "%(ex)s") % locals()
-            LOG.exception(msg)
+            # TODO(vish) check to make sure the availability zone matches
+            self._update_state(context, instance_id, power_state.BUILDING)
 
-        self._update_launched_at(context, instance_id)
-        self._update_state(context, instance_id)
+            try:
+                self.driver.spawn(instance, network_info, bd_mapping)
+            except Exception as ex:  # pylint: disable=W0702
+                msg = _("Instance '%(instance_id)s' failed to spawn. Is "
+                        "virtualization enabled in the BIOS? Details: "
+                        "%(ex)s") % locals()
+                LOG.exception(msg)
+
+            self._update_launched_at(context, instance_id)
+            self._update_state(context, instance_id)
+        except exception.InstanceNotFound:
+            # FIXME(wwolf): We are just ignoring InstanceNotFound
+            # exceptions here in case the instance was immediately
+            # deleted before it actually got created.  This should
+            # be fixed once we have no-db-messaging
+            pass
 
     @exception.wrap_exception
     def run_instance(self, context, instance_id, **kwargs):
diff --git a/nova/db/api.py b/nova/db/api.py
index 4d036ac57..a3a3d2b6b 100644
--- a/nova/db/api.py
+++ b/nova/db/api.py
@@ -1084,6 +1084,19 @@ def security_group_rule_destroy(context, security_group_rule_id):
 ###################
 
 
+def provider_fw_rule_create(context, rule):
+    """Add a firewall rule at the provider level (all hosts & instances)."""
+    return IMPL.provider_fw_rule_create(context, rule)
+
+
+def provider_fw_rule_get_all(context):
+    """Get all provider-level firewall rules."""
+    return IMPL.provider_fw_rule_get_all(context)
+
+
+###################
+
+
 def user_get(context, id):
     """Get user by id."""
     return IMPL.user_get(context, id)
diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index ce8e9f39b..c3de412d7 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -2414,6 +2414,24 @@ def security_group_rule_destroy(context, security_group_rule_id):
 
 
 @require_admin_context
+def provider_fw_rule_create(context, rule):
+    fw_rule_ref = models.ProviderFirewallRule()
+    fw_rule_ref.update(rule)
+    fw_rule_ref.save()
+    return fw_rule_ref
+
+
+def provider_fw_rule_get_all(context):
+    session = get_session()
+    return session.query(models.ProviderFirewallRule).\
+                   filter_by(deleted=can_read_deleted(context)).\
+                   all()
+
+
+###################
+
+
+@require_admin_context
 def user_get(context, id, session=None):
     if not session:
         session = get_session()
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/027_add_provider_firewall_rules.py b/nova/db/sqlalchemy/migrate_repo/versions/027_add_provider_firewall_rules.py
new file mode 100644
index 000000000..5aa30f7a8
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/027_add_provider_firewall_rules.py
@@ -0,0 +1,75 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, 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 sqlalchemy import *
+from migrate import *
+
+from nova import log as logging
+
+
+meta = MetaData()
+
+
+# Just for the ForeignKey and column creation to succeed, these are not the
+# actual definitions of instances or services.
+instances = Table('instances', meta,
+        Column('id', Integer(),  primary_key=True, nullable=False),
+        )
+
+
+services = Table('services', meta,
+        Column('id', Integer(),  primary_key=True, nullable=False),
+        )
+
+
+networks = Table('networks', meta,
+        Column('id', Integer(),  primary_key=True, nullable=False),
+        )
+
+
+#
+# New Tables
+#
+provider_fw_rules = Table('provider_fw_rules', meta,
+        Column('created_at', DateTime(timezone=False)),
+        Column('updated_at', DateTime(timezone=False)),
+        Column('deleted_at', DateTime(timezone=False)),
+        Column('deleted', Boolean(create_constraint=True, name=None)),
+        Column('id', Integer(),  primary_key=True, nullable=False),
+        Column('protocol',
+               String(length=5, convert_unicode=False, assert_unicode=None,
+                      unicode_error=None, _warn_on_bytestring=False)),
+        Column('from_port', Integer()),
+        Column('to_port', Integer()),
+        Column('cidr',
+               String(length=255, convert_unicode=False, assert_unicode=None,
+                      unicode_error=None, _warn_on_bytestring=False))
+        )
+
+
+def upgrade(migrate_engine):
+    # Upgrade operations go here. Don't create your own engine;
+    # bind migrate_engine to your metadata
+    meta.bind = migrate_engine
+    for table in (provider_fw_rules,):
+        try:
+            table.create()
+        except Exception:
+            logging.info(repr(table))
+            logging.exception('Exception while creating table')
+            raise
diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py
index 250e88572..7f02ac532 100644
--- a/nova/db/sqlalchemy/models.py
+++ b/nova/db/sqlalchemy/models.py
@@ -493,6 +493,17 @@ class SecurityGroupIngressRule(BASE, NovaBase):
     group_id = Column(Integer, ForeignKey('security_groups.id'))
 
 
+class ProviderFirewallRule(BASE, NovaBase):
+    """Represents a rule in a security group."""
+    __tablename__ = 'provider_fw_rules'
+    id = Column(Integer, primary_key=True)
+
+    protocol = Column(String(5))  # "tcp", "udp", or "icmp"
+    from_port = Column(Integer)
+    to_port = Column(Integer)
+    cidr = Column(String(255))
+
+
 class KeyPair(BASE, NovaBase):
     """Represents a public key pair for ssh."""
     __tablename__ = 'key_pairs'
diff --git a/nova/network/linux_net.py b/nova/network/linux_net.py
index 4b998fbba..9a5f2c5e6 100644
--- a/nova/network/linux_net.py
+++ b/nova/network/linux_net.py
@@ -191,6 +191,13 @@ class IptablesTable(object):
                       {'chain': chain, 'rule': rule,
                        'top': top, 'wrap': wrap})
 
+    def empty_chain(self, chain, wrap=True):
+        """Remove all rules from a chain."""
+        chained_rules = [rule for rule in self.rules
+                              if rule.chain == chain and rule.wrap == wrap]
+        for rule in chained_rules:
+            self.rules.remove(rule)
+
 
 class IptablesManager(object):
     """Wrapper for iptables.
diff --git a/nova/tests/api/openstack/fakes.py b/nova/tests/api/openstack/fakes.py
index f8d158ddd..c74974b16 100644
--- a/nova/tests/api/openstack/fakes.py
+++ b/nova/tests/api/openstack/fakes.py
@@ -140,9 +140,10 @@ def stub_out_networking(stubs):
 
 
 def stub_out_compute_api_snapshot(stubs):
-    def snapshot(self, context, instance_id, name):
-        return dict(id='123', status='ACTIVE',
-                    properties=dict(instance_id='123'))
+    def snapshot(self, context, instance_id, name, extra_properties=None):
+        props = dict(instance_id=instance_id, instance_ref=instance_id)
+        props.update(extra_properties or {})
+        return dict(id='123', status='ACTIVE', name=name, properties=props)
     stubs.Set(nova.compute.API, 'snapshot', snapshot)
 
 
diff --git a/nova/tests/api/openstack/test_image_metadata.py b/nova/tests/api/openstack/test_image_metadata.py
index 56be0f1cc..efed44960 100644
--- a/nova/tests/api/openstack/test_image_metadata.py
+++ b/nova/tests/api/openstack/test_image_metadata.py
@@ -19,6 +19,7 @@ import json
 import stubout
 import unittest
 import webob
+import xml.dom.minidom as minidom
 
 
 from nova import flags
@@ -105,19 +106,62 @@ class ImageMetaDataTest(unittest.TestCase):
         self.assertEqual(200, res.status_int)
         self.assertEqual('value1', res_dict['metadata']['key1'])
 
+    def test_index_xml(self):
+        serializer = openstack.image_metadata.ImageMetadataXMLSerializer()
+        fixture = {
+            'metadata': {
+                'one': 'two',
+                'three': 'four',
+            },
+        }
+        output = serializer.index(fixture)
+        actual = minidom.parseString(output.replace("  ", ""))
+
+        expected = minidom.parseString("""
+            <metadata xmlns="http://docs.openstack.org/compute/api/v1.1">
+                <meta key="three">
+                    four
+                </meta>
+                <meta key="one">
+                    two
+                </meta>
+            </metadata>
+        """.replace("  ", ""))
+
+        self.assertEqual(expected.toxml(), actual.toxml())
+
     def test_show(self):
         req = webob.Request.blank('/v1.1/images/1/meta/key1')
         req.environ['api.version'] = '1.1'
         res = req.get_response(fakes.wsgi_app())
         res_dict = json.loads(res.body)
         self.assertEqual(200, res.status_int)
-        self.assertEqual('value1', res_dict['key1'])
+        self.assertTrue('meta' in res_dict)
+        self.assertEqual(len(res_dict['meta']), 1)
+        self.assertEqual('value1', res_dict['meta']['key1'])
+
+    def test_show_xml(self):
+        serializer = openstack.image_metadata.ImageMetadataXMLSerializer()
+        fixture = {
+            'meta': {
+                'one': 'two',
+            },
+        }
+        output = serializer.show(fixture)
+        actual = minidom.parseString(output.replace("  ", ""))
+
+        expected = minidom.parseString("""
+            <meta xmlns="http://docs.openstack.org/compute/api/v1.1" key="one">
+                two
+            </meta>
+        """.replace("  ", ""))
+
+        self.assertEqual(expected.toxml(), actual.toxml())
 
     def test_show_not_found(self):
         req = webob.Request.blank('/v1.1/images/1/meta/key9')
         req.environ['api.version'] = '1.1'
         res = req.get_response(fakes.wsgi_app())
-        res_dict = json.loads(res.body)
         self.assertEqual(404, res.status_int)
 
     def test_create(self):
@@ -135,22 +179,79 @@ class ImageMetaDataTest(unittest.TestCase):
         self.assertEqual('value2', res_dict['metadata']['key2'])
         self.assertEqual(1, len(res_dict))
 
+    def test_create_xml(self):
+        serializer = openstack.image_metadata.ImageMetadataXMLSerializer()
+        fixture = {
+            'metadata': {
+                'key9': 'value9',
+                'key2': 'value2',
+                'key1': 'value1',
+            },
+        }
+        output = serializer.create(fixture)
+        actual = minidom.parseString(output.replace("  ", ""))
+
+        expected = minidom.parseString("""
+            <metadata xmlns="http://docs.openstack.org/compute/api/v1.1">
+                <meta key="key2">
+                    value2
+                </meta>
+                <meta key="key9">
+                    value9
+                </meta>
+                <meta key="key1">
+                    value1
+                </meta>
+            </metadata>
+        """.replace("  ", ""))
+
+        self.assertEqual(expected.toxml(), actual.toxml())
+
     def test_update_item(self):
         req = webob.Request.blank('/v1.1/images/1/meta/key1')
         req.environ['api.version'] = '1.1'
         req.method = 'PUT'
-        req.body = '{"key1": "zz"}'
+        req.body = '{"meta": {"key1": "zz"}}'
         req.headers["content-type"] = "application/json"
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(200, res.status_int)
         res_dict = json.loads(res.body)
-        self.assertEqual('zz', res_dict['key1'])
+        self.assertTrue('meta' in res_dict)
+        self.assertEqual(len(res_dict['meta']), 1)
+        self.assertEqual('zz', res_dict['meta']['key1'])
+
+    def test_update_item_bad_body(self):
+        req = webob.Request.blank('/v1.1/images/1/meta/key1')
+        req.environ['api.version'] = '1.1'
+        req.method = 'PUT'
+        req.body = '{"key1": "zz"}'
+        req.headers["content-type"] = "application/json"
+        res = req.get_response(fakes.wsgi_app())
+        self.assertEqual(400, res.status_int)
+
+    def test_update_item_xml(self):
+        serializer = openstack.image_metadata.ImageMetadataXMLSerializer()
+        fixture = {
+            'meta': {
+                'one': 'two',
+            },
+        }
+        output = serializer.update(fixture)
+        actual = minidom.parseString(output.replace("  ", ""))
+
+        expected = minidom.parseString("""
+            <meta xmlns="http://docs.openstack.org/compute/api/v1.1" key="one">
+                two
+            </meta>
+        """.replace("  ", ""))
+
+        self.assertEqual(expected.toxml(), actual.toxml())
 
     def test_update_item_too_many_keys(self):
         req = webob.Request.blank('/v1.1/images/1/meta/key1')
         req.environ['api.version'] = '1.1'
         req.method = 'PUT'
-        req.body = '{"key1": "value1", "key2": "value2"}'
+        req.body = '{"meta": {"key1": "value1", "key2": "value2"}}'
         req.headers["content-type"] = "application/json"
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(400, res.status_int)
@@ -159,7 +260,7 @@ class ImageMetaDataTest(unittest.TestCase):
         req = webob.Request.blank('/v1.1/images/1/meta/bad')
         req.environ['api.version'] = '1.1'
         req.method = 'PUT'
-        req.body = '{"key1": "value1"}'
+        req.body = '{"meta": {"key1": "value1"}}'
         req.headers["content-type"] = "application/json"
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(400, res.status_int)
@@ -195,7 +296,7 @@ class ImageMetaDataTest(unittest.TestCase):
         req = webob.Request.blank('/v1.1/images/3/meta/blah')
         req.environ['api.version'] = '1.1'
         req.method = 'PUT'
-        req.body = '{"blah": "blah"}'
+        req.body = '{"meta": {"blah": "blah"}}'
         req.headers["content-type"] = "application/json"
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(400, res.status_int)
diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py
index e4204809f..446d68e9e 100644
--- a/nova/tests/api/openstack/test_images.py
+++ b/nova/tests/api/openstack/test_images.py
@@ -618,7 +618,6 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 124,
             'name': 'queued backup',
-            'serverId': 42,
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'QUEUED',
@@ -626,7 +625,6 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 125,
             'name': 'saving backup',
-            'serverId': 42,
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'SAVING',
@@ -635,7 +633,6 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 126,
             'name': 'active backup',
-            'serverId': 42,
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'ACTIVE'
@@ -643,7 +640,6 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 127,
             'name': 'killed backup',
-            'serverId': 42,
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'FAILED',
@@ -689,7 +685,7 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 124,
             'name': 'queued backup',
-            'serverRef': "http://localhost/v1.1/servers/42",
+            'serverRef': "http://localhost:8774/v1.1/servers/42",
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'QUEUED',
@@ -711,7 +707,7 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 125,
             'name': 'saving backup',
-            'serverRef': "http://localhost/v1.1/servers/42",
+            'serverRef': "http://localhost:8774/v1.1/servers/42",
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'SAVING',
@@ -734,7 +730,7 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 126,
             'name': 'active backup',
-            'serverRef': "http://localhost/v1.1/servers/42",
+            'serverRef': "http://localhost:8774/v1.1/servers/42",
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'ACTIVE',
@@ -756,7 +752,7 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         {
             'id': 127,
             'name': 'killed backup',
-            'serverRef': "http://localhost/v1.1/servers/42",
+            'serverRef': "http://localhost:8774/v1.1/servers/42",
             'updated': self.NOW_API_FORMAT,
             'created': self.NOW_API_FORMAT,
             'status': 'FAILED',
@@ -1002,6 +998,30 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         response = req.get_response(fakes.wsgi_app())
         self.assertEqual(200, response.status_int)
 
+    def test_create_image_v1_1_actual_server_ref(self):
+
+        serverRef = 'http://localhost/v1.1/servers/1'
+        body = dict(image=dict(serverRef=serverRef, name='Backup 1'))
+        req = webob.Request.blank('/v1.1/images')
+        req.method = 'POST'
+        req.body = json.dumps(body)
+        req.headers["content-type"] = "application/json"
+        response = req.get_response(fakes.wsgi_app())
+        self.assertEqual(200, response.status_int)
+        result = json.loads(response.body)
+        self.assertEqual(result['image']['serverRef'], serverRef)
+
+    def test_create_image_v1_1_server_ref_bad_hostname(self):
+
+        serverRef = 'http://asdf/v1.1/servers/1'
+        body = dict(image=dict(serverRef=serverRef, name='Backup 1'))
+        req = webob.Request.blank('/v1.1/images')
+        req.method = 'POST'
+        req.body = json.dumps(body)
+        req.headers["content-type"] = "application/json"
+        response = req.get_response(fakes.wsgi_app())
+        self.assertEqual(400, response.status_int)
+
     def test_create_image_v1_1_xml_serialization(self):
 
         body = dict(image=dict(serverRef='123', name='Backup 1'))
@@ -1018,7 +1038,7 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
             <image
                    created="None"
                    id="123"
-                   name="None"
+                   name="Backup 1"
                    serverRef="http://localhost/v1.1/servers/123"
                    status="ACTIVE"
                    updated="None"
@@ -1065,7 +1085,8 @@ class ImageControllerWithGlanceServiceTest(test.TestCase):
         image_id += 1
 
         # Backup for User 1
-        backup_properties = {'instance_id': '42', 'user_id': '1'}
+        server_ref = 'http://localhost:8774/v1.1/servers/42'
+        backup_properties = {'instance_ref': server_ref, 'user_id': '1'}
         for status in ('queued', 'saving', 'active', 'killed'):
             add_fixture(id=image_id, name='%s backup' % status,
                         is_public=False, status=status,
diff --git a/nova/tests/api/openstack/test_limits.py b/nova/tests/api/openstack/test_limits.py
index 01613d1d8..38c959fae 100644
--- a/nova/tests/api/openstack/test_limits.py
+++ b/nova/tests/api/openstack/test_limits.py
@@ -672,8 +672,7 @@ class WsgiLimiterTest(BaseLimitTestSuite):
         """Only POSTs should work."""
         requests = []
         for method in ["GET", "PUT", "DELETE", "HEAD", "OPTIONS"]:
-            request = webob.Request.blank("/")
-            request.body = self._request_data("GET", "/something")
+            request = webob.Request.blank("/", method=method)
             response = request.get_response(self.app)
             self.assertEqual(response.status_int, 405)
 
diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py
index be9ecab1f..e318b7c57 100644
--- a/nova/tests/api/openstack/test_servers.py
+++ b/nova/tests/api/openstack/test_servers.py
@@ -1504,7 +1504,7 @@ class ServersTest(test.TestCase):
         self.assertEqual(res.status_int, 400)
 
     def test_resized_server_has_correct_status(self):
-        req = self.webreq('/1', 'GET', dict(resize=dict(flavorId=3)))
+        req = self.webreq('/1', 'GET')
 
         def fake_migration_get(*args):
             return {}
diff --git a/nova/tests/api/openstack/test_wsgi.py b/nova/tests/api/openstack/test_wsgi.py
index 2fa50ac9b..73a26a087 100644
--- a/nova/tests/api/openstack/test_wsgi.py
+++ b/nova/tests/api/openstack/test_wsgi.py
@@ -10,13 +10,13 @@ from nova.api.openstack import wsgi
 
 class RequestTest(test.TestCase):
     def test_content_type_missing(self):
-        request = wsgi.Request.blank('/tests/123')
+        request = wsgi.Request.blank('/tests/123', method='POST')
         request.body = "<body />"
         self.assertRaises(exception.InvalidContentType,
                           request.get_content_type)
 
     def test_content_type_unsupported(self):
-        request = wsgi.Request.blank('/tests/123')
+        request = wsgi.Request.blank('/tests/123', method='POST')
         request.headers["Content-Type"] = "text/html"
         request.body = "asdf<br />"
         self.assertRaises(exception.InvalidContentType,
diff --git a/nova/tests/test_adminapi.py b/nova/tests/test_adminapi.py
new file mode 100644
index 000000000..7ecaf1c09
--- /dev/null
+++ b/nova/tests/test_adminapi.py
@@ -0,0 +1,89 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, 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 eventlet import greenthread
+
+from nova import context
+from nova import db
+from nova import flags
+from nova import log as logging
+from nova import rpc
+from nova import test
+from nova import utils
+from nova.auth import manager
+from nova.api.ec2 import admin
+from nova.image import fake
+
+
+FLAGS = flags.FLAGS
+LOG = logging.getLogger('nova.tests.adminapi')
+
+
+class AdminApiTestCase(test.TestCase):
+    def setUp(self):
+        super(AdminApiTestCase, self).setUp()
+        self.flags(connection_type='fake')
+
+        self.conn = rpc.Connection.instance()
+
+        # set up our cloud
+        self.api = admin.AdminController()
+
+        # set up services
+        self.compute = self.start_service('compute')
+        self.scheduter = self.start_service('scheduler')
+        self.network = self.start_service('network')
+        self.volume = self.start_service('volume')
+        self.image_service = utils.import_object(FLAGS.image_service)
+
+        self.manager = manager.AuthManager()
+        self.user = self.manager.create_user('admin', 'admin', 'admin', True)
+        self.project = self.manager.create_project('proj', 'admin', 'proj')
+        self.context = context.RequestContext(user=self.user,
+                                              project=self.project)
+        host = self.network.get_network_host(self.context.elevated())
+
+        def fake_show(meh, context, id):
+            return {'id': 1, 'properties': {'kernel_id': 1, 'ramdisk_id': 1,
+                    'type': 'machine', 'image_state': 'available'}}
+
+        self.stubs.Set(fake._FakeImageService, 'show', fake_show)
+        self.stubs.Set(fake._FakeImageService, 'show_by_name', fake_show)
+
+        # NOTE(vish): set up a manual wait so rpc.cast has a chance to finish
+        rpc_cast = rpc.cast
+
+        def finish_cast(*args, **kwargs):
+            rpc_cast(*args, **kwargs)
+            greenthread.sleep(0.2)
+
+        self.stubs.Set(rpc, 'cast', finish_cast)
+
+    def tearDown(self):
+        network_ref = db.project_get_network(self.context,
+                                             self.project.id)
+        db.network_disassociate(self.context, network_ref['id'])
+        self.manager.delete_project(self.project)
+        self.manager.delete_user(self.user)
+        super(AdminApiTestCase, self).tearDown()
+
+    def test_block_external_ips(self):
+        """Make sure provider firewall rules are created."""
+        result = self.api.block_external_addresses(self.context, '1.1.1.1/32')
+        self.assertEqual('OK', result['status'])
+        self.assertEqual('Added 3 rules', result['message'])
diff --git a/nova/tests/test_libvirt.py b/nova/tests/test_libvirt.py
index bd1352c5e..1d61adb0e 100644
--- a/nova/tests/test_libvirt.py
+++ b/nova/tests/test_libvirt.py
@@ -821,7 +821,9 @@ class IptablesFirewallTestCase(test.TestCase):
         self.network = utils.import_object(FLAGS.network_manager)
 
         class FakeLibvirtConnection(object):
-            pass
+            def nwfilterDefineXML(*args, **kwargs):
+                """setup_basic_rules in nwfilter calls this."""
+                pass
         self.fake_libvirt_connection = FakeLibvirtConnection()
         self.fw = firewall.IptablesFirewallDriver(
                       get_connection=lambda: self.fake_libvirt_connection)
@@ -1063,7 +1065,6 @@ class IptablesFirewallTestCase(test.TestCase):
                                fakefilter.filterDefineXMLMock
         self.fw.nwfilter._conn.nwfilterLookupByName =\
                                fakefilter.nwfilterLookupByName
-
         instance_ref = self._create_instance_ref()
         inst_id = instance_ref['id']
         instance = db.instance_get(self.context, inst_id)
@@ -1085,6 +1086,63 @@ class IptablesFirewallTestCase(test.TestCase):
 
         db.instance_destroy(admin_ctxt, instance_ref['id'])
 
+    def test_provider_firewall_rules(self):
+        # setup basic instance data
+        instance_ref = self._create_instance_ref()
+        nw_info = _create_network_info(1)
+        ip = '10.11.12.13'
+        network_ref = db.project_get_network(self.context, 'fake')
+        admin_ctxt = context.get_admin_context()
+        fixed_ip = {'address': ip, 'network_id': network_ref['id']}
+        db.fixed_ip_create(admin_ctxt, fixed_ip)
+        db.fixed_ip_update(admin_ctxt, ip, {'allocated': True,
+                                            'instance_id': instance_ref['id']})
+        # FRAGILE: peeks at how the firewall names chains
+        chain_name = 'inst-%s' % instance_ref['id']
+
+        # create a firewall via setup_basic_filtering like libvirt_conn.spawn
+        # should have a chain with 0 rules
+        self.fw.setup_basic_filtering(instance_ref, network_info=nw_info)
+        self.assertTrue('provider' in self.fw.iptables.ipv4['filter'].chains)
+        rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules
+                      if rule.chain == 'provider']
+        self.assertEqual(0, len(rules))
+
+        # add a rule and send the update message, check for 1 rule
+        provider_fw0 = db.provider_fw_rule_create(admin_ctxt,
+                                                  {'protocol': 'tcp',
+                                                   'cidr': '10.99.99.99/32',
+                                                   'from_port': 1,
+                                                   'to_port': 65535})
+        self.fw.refresh_provider_fw_rules()
+        rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules
+                      if rule.chain == 'provider']
+        self.assertEqual(1, len(rules))
+
+        # Add another, refresh, and make sure number of rules goes to two
+        provider_fw1 = db.provider_fw_rule_create(admin_ctxt,
+                                                  {'protocol': 'udp',
+                                                   'cidr': '10.99.99.99/32',
+                                                   'from_port': 1,
+                                                   'to_port': 65535})
+        self.fw.refresh_provider_fw_rules()
+        rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules
+                      if rule.chain == 'provider']
+        self.assertEqual(2, len(rules))
+
+        # create the instance filter and make sure it has a jump rule
+        self.fw.prepare_instance_filter(instance_ref, network_info=nw_info)
+        self.fw.apply_instance_filter(instance_ref)
+        inst_rules = [rule for rule in self.fw.iptables.ipv4['filter'].rules
+                           if rule.chain == chain_name]
+        jump_rules = [rule for rule in inst_rules if '-j' in rule.rule]
+        provjump_rules = []
+        # IptablesTable doesn't make rules unique internally
+        for rule in jump_rules:
+            if 'provider' in rule.rule and rule not in provjump_rules:
+                provjump_rules.append(rule)
+        self.assertEqual(1, len(provjump_rules))
+
 
 class NWFilterTestCase(test.TestCase):
     def setUp(self):
diff --git a/nova/virt/driver.py b/nova/virt/driver.py
index 83ef2270d..1c9797973 100644
--- a/nova/virt/driver.py
+++ b/nova/virt/driver.py
@@ -191,6 +191,10 @@ class ComputeDriver(object):
     def refresh_security_group_members(self, security_group_id):
         raise NotImplementedError()
 
+    def refresh_provider_fw_rules(self, security_group_id):
+        """See: nova/virt/fake.py for docs."""
+        raise NotImplementedError()
+
     def reset_network(self, instance):
         """reset networking for specified instance"""
         raise NotImplementedError()
diff --git a/nova/virt/fake.py b/nova/virt/fake.py
index 7ea2c9071..5fe9d674f 100644
--- a/nova/virt/fake.py
+++ b/nova/virt/fake.py
@@ -466,6 +466,22 @@ class FakeConnection(driver.ComputeDriver):
         """
         return True
 
+    def refresh_provider_fw_rules(self):
+        """This triggers a firewall update based on database changes.
+
+        When this is called, rules have either been added or removed from the
+        datastore.  You can retrieve rules with
+        :method:`nova.db.api.provider_fw_rule_get_all`.
+
+        Provider rules take precedence over security group rules.  If an IP
+        would be allowed by a security group ingress rule, but blocked by
+        a provider rule, then packets from the IP are dropped.  This includes
+        intra-project traffic in the case of the allow_project_net_traffic
+        flag for the libvirt-derived classes.
+
+        """
+        pass
+
     def update_available_resource(self, ctxt, host):
         """This method is supported only by libvirt."""
         return
diff --git a/nova/virt/libvirt/connection.py b/nova/virt/libvirt/connection.py
index 9016933d6..394d60f71 100644
--- a/nova/virt/libvirt/connection.py
+++ b/nova/virt/libvirt/connection.py
@@ -1383,6 +1383,9 @@ class LibvirtConnection(driver.ComputeDriver):
     def refresh_security_group_members(self, security_group_id):
         self.firewall_driver.refresh_security_group_members(security_group_id)
 
+    def refresh_provider_fw_rules(self):
+        self.firewall_driver.refresh_provider_fw_rules()
+
     def update_available_resource(self, ctxt, host):
         """Updates compute manager resource info on ComputeNode table.
 
diff --git a/nova/virt/libvirt/firewall.py b/nova/virt/libvirt/firewall.py
index d990d6f15..379197398 100644
--- a/nova/virt/libvirt/firewall.py
+++ b/nova/virt/libvirt/firewall.py
@@ -76,6 +76,15 @@ class FirewallDriver(object):
         the security group."""
         raise NotImplementedError()
 
+    def refresh_provider_fw_rules(self):
+        """Refresh common rules for all hosts/instances from data store.
+
+        Gets called when a rule has been added to or removed from
+        the list of rules (via admin api).
+
+        """
+        raise NotImplementedError()
+
     def setup_basic_filtering(self, instance, network_info=None):
         """Create rules to block spoofing and allow dhcp.
 
@@ -207,6 +216,13 @@ class NWFilterFirewall(FirewallDriver):
                                                        [base_filter]))
 
     def _ensure_static_filters(self):
+        """Static filters are filters that have no need to be IP aware.
+
+        There is no configuration or tuneability of these filters, so they
+        can be set up once and forgotten about.
+
+        """
+
         if self.static_filters_configured:
             return
 
@@ -310,19 +326,21 @@ class NWFilterFirewall(FirewallDriver):
                         'for %(instance_name)s is not found.') % locals())
 
     def prepare_instance_filter(self, instance, network_info=None):
-        """
-        Creates an NWFilter for the given instance. In the process,
-        it makes sure the filters for the security groups as well as
-        the base filter are all in place.
+        """Creates an NWFilter for the given instance.
+
+        In the process, it makes sure the filters for the provider blocks,
+        security groups, and base filter are all in place.
+
         """
         if not network_info:
             network_info = netutils.get_network_info(instance)
 
+        self.refresh_provider_fw_rules()
+
         ctxt = context.get_admin_context()
 
         instance_secgroup_filter_name = \
             '%s-secgroup' % (self._instance_filter_name(instance))
-            #% (instance_filter_name,)
 
         instance_secgroup_filter_children = ['nova-base-ipv4',
                                              'nova-base-ipv6',
@@ -366,7 +384,7 @@ class NWFilterFirewall(FirewallDriver):
         for (_n, mapping) in network_info:
             nic_id = mapping['mac'].replace(':', '')
             instance_filter_name = self._instance_filter_name(instance, nic_id)
-            instance_filter_children = [base_filter,
+            instance_filter_children = [base_filter, 'nova-provider-rules',
                                         instance_secgroup_filter_name]
 
             if FLAGS.allow_project_net_traffic:
@@ -388,6 +406,19 @@ class NWFilterFirewall(FirewallDriver):
         return self._define_filter(
                    self.security_group_to_nwfilter_xml(security_group_id))
 
+    def refresh_provider_fw_rules(self):
+        """Update rules for all instances.
+
+        This is part of the FirewallDriver API and is called when the
+        provider firewall rules change in the database.  In the
+        `prepare_instance_filter` we add a reference to the
+        'nova-provider-rules' filter for each instance's firewall, and
+        by changing that filter we update them all.
+
+        """
+        xml = self.provider_fw_to_nwfilter_xml()
+        return self._define_filter(xml)
+
     def security_group_to_nwfilter_xml(self, security_group_id):
         security_group = db.security_group_get(context.get_admin_context(),
                                                security_group_id)
@@ -426,6 +457,43 @@ class NWFilterFirewall(FirewallDriver):
             xml += "chain='ipv4'>%s</filter>" % rule_xml
         return xml
 
+    def provider_fw_to_nwfilter_xml(self):
+        """Compose a filter of drop rules from specified cidrs."""
+        rule_xml = ""
+        v6protocol = {'tcp': 'tcp-ipv6', 'udp': 'udp-ipv6', 'icmp': 'icmpv6'}
+        rules = db.provider_fw_rule_get_all(context.get_admin_context())
+        for rule in rules:
+            rule_xml += "<rule action='block' direction='in' priority='150'>"
+            version = netutils.get_ip_version(rule.cidr)
+            if(FLAGS.use_ipv6 and version == 6):
+                net, prefixlen = netutils.get_net_and_prefixlen(rule.cidr)
+                rule_xml += "<%s srcipaddr='%s' srcipmask='%s' " % \
+                            (v6protocol[rule.protocol], net, prefixlen)
+            else:
+                net, mask = netutils.get_net_and_mask(rule.cidr)
+                rule_xml += "<%s srcipaddr='%s' srcipmask='%s' " % \
+                            (rule.protocol, net, mask)
+            if rule.protocol in ['tcp', 'udp']:
+                rule_xml += "dstportstart='%s' dstportend='%s' " % \
+                            (rule.from_port, rule.to_port)
+            elif rule.protocol == 'icmp':
+                LOG.info('rule.protocol: %r, rule.from_port: %r, '
+                         'rule.to_port: %r', rule.protocol,
+                         rule.from_port, rule.to_port)
+                if rule.from_port != -1:
+                    rule_xml += "type='%s' " % rule.from_port
+                if rule.to_port != -1:
+                    rule_xml += "code='%s' " % rule.to_port
+
+                rule_xml += '/>\n'
+            rule_xml += "</rule>\n"
+        xml = "<filter name='nova-provider-rules' "
+        if(FLAGS.use_ipv6):
+            xml += "chain='root'>%s</filter>" % rule_xml
+        else:
+            xml += "chain='ipv4'>%s</filter>" % rule_xml
+        return xml
+
     def _instance_filter_name(self, instance, nic_id=None):
         if not nic_id:
             return 'nova-instance-%s' % (instance['name'])
@@ -453,6 +521,7 @@ class IptablesFirewallDriver(FirewallDriver):
         self.iptables = linux_net.iptables_manager
         self.instances = {}
         self.nwfilter = NWFilterFirewall(kwargs['get_connection'])
+        self.basicly_filtered = False
 
         self.iptables.ipv4['filter'].add_chain('sg-fallback')
         self.iptables.ipv4['filter'].add_rule('sg-fallback', '-j DROP')
@@ -460,10 +529,14 @@ class IptablesFirewallDriver(FirewallDriver):
         self.iptables.ipv6['filter'].add_rule('sg-fallback', '-j DROP')
 
     def setup_basic_filtering(self, instance, network_info=None):
-        """Use NWFilter from libvirt for this."""
+        """Set up provider rules and basic NWFilter."""
         if not network_info:
             network_info = netutils.get_network_info(instance)
-        return self.nwfilter.setup_basic_filtering(instance, network_info)
+        self.nwfilter.setup_basic_filtering(instance, network_info)
+        if not self.basicly_filtered:
+            LOG.debug(_('iptables firewall: Setup Basic Filtering'))
+            self.refresh_provider_fw_rules()
+            self.basicly_filtered = True
 
     def apply_instance_filter(self, instance):
         """No-op. Everything is done in prepare_instance_filter"""
@@ -543,6 +616,10 @@ class IptablesFirewallDriver(FirewallDriver):
         ipv4_rules += ['-m state --state ESTABLISHED,RELATED -j ACCEPT']
         ipv6_rules += ['-m state --state ESTABLISHED,RELATED -j ACCEPT']
 
+        # Pass through provider-wide drops
+        ipv4_rules += ['-j $provider']
+        ipv6_rules += ['-j $provider']
+
         dhcp_servers = [info['gateway'] for (_n, info) in network_info]
 
         for dhcp_server in dhcp_servers:
@@ -583,7 +660,7 @@ class IptablesFirewallDriver(FirewallDriver):
                                                           security_group['id'])
 
             for rule in rules:
-                logging.info('%r', rule)
+                LOG.debug(_('Adding security group rule: %r'), rule)
 
                 if not rule.cidr:
                     # Eventually, a mechanism to grant access for security
@@ -592,9 +669,9 @@ class IptablesFirewallDriver(FirewallDriver):
 
                 version = netutils.get_ip_version(rule.cidr)
                 if version == 4:
-                    rules = ipv4_rules
+                    fw_rules = ipv4_rules
                 else:
-                    rules = ipv6_rules
+                    fw_rules = ipv6_rules
 
                 protocol = rule.protocol
                 if version == 6 and rule.protocol == 'icmp':
@@ -629,7 +706,7 @@ class IptablesFirewallDriver(FirewallDriver):
                                      icmp_type_arg]
 
                 args += ['-j ACCEPT']
-                rules += [' '.join(args)]
+                fw_rules += [' '.join(args)]
 
         ipv4_rules += ['-j $sg-fallback']
         ipv6_rules += ['-j $sg-fallback']
@@ -657,6 +734,85 @@ class IptablesFirewallDriver(FirewallDriver):
                 network_info = netutils.get_network_info(instance)
             self.add_filters_for_instance(instance, network_info)
 
+    def refresh_provider_fw_rules(self):
+        """See class:FirewallDriver: docs."""
+        self._do_refresh_provider_fw_rules()
+        self.iptables.apply()
+
+    @utils.synchronized('iptables', external=True)
+    def _do_refresh_provider_fw_rules(self):
+        """Internal, synchronized version of refresh_provider_fw_rules."""
+        self._purge_provider_fw_rules()
+        self._build_provider_fw_rules()
+
+    def _purge_provider_fw_rules(self):
+        """Remove all rules from the provider chains."""
+        self.iptables.ipv4['filter'].empty_chain('provider')
+        if FLAGS.use_ipv6:
+            self.iptables.ipv6['filter'].empty_chain('provider')
+
+    def _build_provider_fw_rules(self):
+        """Create all rules for the provider IP DROPs."""
+        self.iptables.ipv4['filter'].add_chain('provider')
+        if FLAGS.use_ipv6:
+            self.iptables.ipv6['filter'].add_chain('provider')
+        ipv4_rules, ipv6_rules = self._provider_rules()
+        for rule in ipv4_rules:
+            self.iptables.ipv4['filter'].add_rule('provider', rule)
+
+        if FLAGS.use_ipv6:
+            for rule in ipv6_rules:
+                self.iptables.ipv6['filter'].add_rule('provider', rule)
+
+    def _provider_rules(self):
+        """Generate a list of rules from provider for IP4 & IP6."""
+        ctxt = context.get_admin_context()
+        ipv4_rules = []
+        ipv6_rules = []
+        rules = db.provider_fw_rule_get_all(ctxt)
+        for rule in rules:
+            LOG.debug(_('Adding provider rule: %s'), rule['cidr'])
+            version = netutils.get_ip_version(rule['cidr'])
+            if version == 4:
+                fw_rules = ipv4_rules
+            else:
+                fw_rules = ipv6_rules
+
+            protocol = rule['protocol']
+            if version == 6 and protocol == 'icmp':
+                protocol = 'icmpv6'
+
+            args = ['-p', protocol, '-s', rule['cidr']]
+
+            if protocol in ['udp', 'tcp']:
+                if rule['from_port'] == rule['to_port']:
+                    args += ['--dport', '%s' % (rule['from_port'],)]
+                else:
+                    args += ['-m', 'multiport',
+                             '--dports', '%s:%s' % (rule['from_port'],
+                                                    rule['to_port'])]
+            elif protocol == 'icmp':
+                icmp_type = rule['from_port']
+                icmp_code = rule['to_port']
+
+                if icmp_type == -1:
+                    icmp_type_arg = None
+                else:
+                    icmp_type_arg = '%s' % icmp_type
+                    if not icmp_code == -1:
+                        icmp_type_arg += '/%s' % icmp_code
+
+                if icmp_type_arg:
+                    if version == 4:
+                        args += ['-m', 'icmp', '--icmp-type',
+                                 icmp_type_arg]
+                    elif version == 6:
+                        args += ['-m', 'icmp6', '--icmpv6-type',
+                                 icmp_type_arg]
+            args += ['-j DROP']
+            fw_rules += [' '.join(args)]
+        return ipv4_rules, ipv6_rules
+
     def _security_group_chain_name(self, security_group_id):
         return 'nova-sg-%s' % (security_group_id,)
 
diff --git a/tools/pip-requires b/tools/pip-requires
index 7849dbea9..0da473109 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -15,7 +15,7 @@ python-daemon==1.5.5
 python-gflags==1.3
 redis==2.0.0
 routes==1.12.3
-WebOb==0.9.8
+WebOb==1.0.8
 wsgiref==0.1.2
 mox==0.5.3
 greenlet==0.3.1