Merge with trunk

40 files changed, 1643 insertions, 1333 deletions

diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py
index eacfdc0df..0efb90d6e 100644
--- a/nova/api/ec2/cloud.py
+++ b/nova/api/ec2/cloud.py
@@ -272,11 +272,23 @@ class CloudController(object):
         mappings = {}
         mappings['ami'] = block_device.strip_dev(root_device_name)
         mappings['root'] = root_device_name
-
-        # 'ephemeralN' and 'swap'
+        default_local_device = instance_ref.get('default_local_device')
+        if default_local_device:
+            mappings['ephemeral0'] = default_local_device
+        default_swap_device = instance_ref.get('default_swap_device')
+        if default_swap_device:
+            mappings['swap'] = default_swap_device
+        ebs_devices = []
+
+        # 'ephemeralN', 'swap' and ebs
         for bdm in db.block_device_mapping_get_all_by_instance(
             ctxt, instance_ref['id']):
-            if (bdm['volume_id'] or bdm['snapshot_id'] or bdm['no_device']):
+            if bdm['no_device']:
+                continue
+
+            # ebs volume case
+            if (bdm['volume_id'] or bdm['snapshot_id']):
+                ebs_devices.append(bdm['device_name'])
                 continue
 
             virtual_name = bdm['virtual_name']
@@ -286,6 +298,16 @@ class CloudController(object):
             if block_device.is_swap_or_ephemeral(virtual_name):
                 mappings[virtual_name] = bdm['device_name']
 
+        # NOTE(yamahata): I'm not sure how ebs device should be numbered.
+        #                 Right now sort by device name for deterministic
+        #                 result.
+        if ebs_devices:
+            nebs = 0
+            ebs_devices.sort()
+            for ebs in ebs_devices:
+                mappings['ebs%d' % nebs] = ebs
+                nebs += 1
+
         return mappings
 
     def get_metadata(self, address):
diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py
index d743a66ef..a836a584c 100644
--- a/nova/api/openstack/common.py
+++ b/nova/api/openstack/common.py
@@ -16,6 +16,7 @@
 #    under the License.
 
 import functools
+from lxml import etree
 import re
 import urlparse
 from xml.dom import minidom
@@ -27,6 +28,7 @@ from nova import flags
 from nova import log as logging
 from nova import quota
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 from nova.compute import vm_states
 from nova.compute import task_states
 
@@ -308,54 +310,48 @@ class MetadataHeadersSerializer(wsgi.ResponseHeadersSerializer):
 
 
 class MetadataXMLSerializer(wsgi.XMLDictSerializer):
+
+    NSMAP = {None: xmlutil.XMLNS_V11}
+
     def __init__(self, xmlns=wsgi.XMLNS_V11):
         super(MetadataXMLSerializer, self).__init__(xmlns=xmlns)
 
-    def _meta_item_to_xml(self, doc, key, value):
-        node = doc.createElement('meta')
-        doc.appendChild(node)
-        node.setAttribute('key', '%s' % key)
-        text = doc.createTextNode('%s' % 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)
-        xml_doc.appendChild(container_node)
-        self._add_xmlns(container_node)
-        return xml_doc.toxml('UTF-8')
+    def populate_metadata(self, metadata_elem, meta_dict):
+        for (key, value) in meta_dict.items():
+            elem = etree.SubElement(metadata_elem, 'meta')
+            elem.set('key', str(key))
+            elem.text = value
+
+    def _populate_meta_item(self, meta_elem, meta_item_dict):
+        """Populate a meta xml element from a dict."""
+        (key, value) = meta_item_dict.items()[0]
+        meta_elem.set('key', str(key))
+        meta_elem.text = value
 
     def index(self, metadata_dict):
-        return self._meta_list_to_xml_string(metadata_dict)
+        metadata = etree.Element('metadata', nsmap=self.NSMAP)
+        self.populate_metadata(metadata, metadata_dict.get('metadata', {}))
+        return self._to_xml(metadata)
 
     def create(self, metadata_dict):
-        return self._meta_list_to_xml_string(metadata_dict)
+        metadata = etree.Element('metadata', nsmap=self.NSMAP)
+        self.populate_metadata(metadata, metadata_dict.get('metadata', {}))
+        return self._to_xml(metadata)
 
     def update_all(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)
-        xml_doc.appendChild(item_node)
-        self._add_xmlns(item_node)
-        return xml_doc.toxml('UTF-8')
+        metadata = etree.Element('metadata', nsmap=self.NSMAP)
+        self.populate_metadata(metadata, metadata_dict.get('metadata', {}))
+        return self._to_xml(metadata)
 
     def show(self, meta_item_dict):
-        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+        meta = etree.Element('meta', nsmap=self.NSMAP)
+        self._populate_meta_item(meta, meta_item_dict['meta'])
+        return self._to_xml(meta)
 
     def update(self, meta_item_dict):
-        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+        meta = etree.Element('meta', nsmap=self.NSMAP)
+        self._populate_meta_item(meta, meta_item_dict['meta'])
+        return self._to_xml(meta)
 
     def default(self, *args, **kwargs):
         return ''
diff --git a/nova/api/openstack/flavors.py b/nova/api/openstack/flavors.py
index fd36060da..805aad772 100644
--- a/nova/api/openstack/flavors.py
+++ b/nova/api/openstack/flavors.py
@@ -16,12 +16,13 @@
 #    under the License.
 
 import webob
-import xml.dom.minidom as minidom
+from lxml import etree
 
 from nova import db
 from nova import exception
 from nova.api.openstack import views
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 
 
 class Controller(object):
@@ -78,48 +79,44 @@ class ControllerV11(Controller):
 
 class FlavorXMLSerializer(wsgi.XMLDictSerializer):
 
+    NSMAP = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
+
     def __init__(self):
         super(FlavorXMLSerializer, self).__init__(xmlns=wsgi.XMLNS_V11)
 
-    def _flavor_to_xml(self, xml_doc, flavor, detailed):
-        flavor_node = xml_doc.createElement('flavor')
-        flavor_node.setAttribute('id', str(flavor['id']))
-        flavor_node.setAttribute('name', flavor['name'])
+    def _populate_flavor(self, flavor_elem, flavor_dict, detailed=False):
+        """Populate a flavor xml element from a dict."""
 
+        flavor_elem.set('name', flavor_dict['name'])
+        flavor_elem.set('id', str(flavor_dict['id']))
         if detailed:
-            flavor_node.setAttribute('ram', str(flavor['ram']))
-            flavor_node.setAttribute('disk', str(flavor['disk']))
-
-        link_nodes = self._create_link_nodes(xml_doc, flavor['links'])
-        for link_node in link_nodes:
-            flavor_node.appendChild(link_node)
-        return flavor_node
-
-    def _flavors_list_to_xml(self, xml_doc, flavors, detailed):
-        container_node = xml_doc.createElement('flavors')
-
-        for flavor in flavors:
-            item_node = self._flavor_to_xml(xml_doc, flavor, detailed)
-            container_node.appendChild(item_node)
-        return container_node
+            flavor_elem.set('ram', str(flavor_dict['ram']))
+            flavor_elem.set('disk', str(flavor_dict['disk']))
+        for link in flavor_dict.get('links', []):
+            elem = etree.SubElement(flavor_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return flavor_elem
 
     def show(self, flavor_container):
-        xml_doc = minidom.Document()
-        flavor = flavor_container['flavor']
-        node = self._flavor_to_xml(xml_doc, flavor, True)
-        return self.to_xml_string(node, True)
-
-    def detail(self, flavors_container):
-        xml_doc = minidom.Document()
-        flavors = flavors_container['flavors']
-        node = self._flavors_list_to_xml(xml_doc, flavors, True)
-        return self.to_xml_string(node, True)
-
-    def index(self, flavors_container):
-        xml_doc = minidom.Document()
-        flavors = flavors_container['flavors']
-        node = self._flavors_list_to_xml(xml_doc, flavors, False)
-        return self.to_xml_string(node, True)
+        flavor = etree.Element('flavor', nsmap=self.NSMAP)
+        self._populate_flavor(flavor, flavor_container['flavor'], True)
+        return self._to_xml(flavor)
+
+    def detail(self, flavors_dict):
+        flavors = etree.Element('flavors', nsmap=self.NSMAP)
+        for flavor_dict in flavors_dict['flavors']:
+            flavor = etree.SubElement(flavors, 'flavor')
+            self._populate_flavor(flavor, flavor_dict, True)
+        return self._to_xml(flavors)
+
+    def index(self, flavors_dict):
+        flavors = etree.Element('flavors', nsmap=self.NSMAP)
+        for flavor_dict in flavors_dict['flavors']:
+            flavor = etree.SubElement(flavors, 'flavor')
+            self._populate_flavor(flavor, flavor_dict, False)
+        return self._to_xml(flavors)
 
 
 def create_resource(version='1.0'):
diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py
index fcaa94651..4340cbe3e 100644
--- a/nova/api/openstack/images.py
+++ b/nova/api/openstack/images.py
@@ -16,8 +16,8 @@
 import urlparse
 import os.path
 
+from lxml import etree
 import webob.exc
-from xml.dom import minidom
 
 from nova import compute
 from nova import exception
@@ -29,6 +29,7 @@ from nova.api.openstack import image_metadata
 from nova.api.openstack import servers
 from nova.api.openstack.views import images as images_view
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 
 
 LOG = log.getLogger('nova.api.openstack.images')
@@ -206,93 +207,71 @@ class ControllerV11(Controller):
 
 class ImageXMLSerializer(wsgi.XMLDictSerializer):
 
-    xmlns = wsgi.XMLNS_V11
+    NSMAP = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
 
     def __init__(self):
         self.metadata_serializer = common.MetadataXMLSerializer()
 
-    def _image_to_xml(self, xml_doc, image):
-        image_node = xml_doc.createElement('image')
-        image_node.setAttribute('id', str(image['id']))
-        image_node.setAttribute('name', image['name'])
-        link_nodes = self._create_link_nodes(xml_doc,
-                                             image['links'])
-        for link_node in link_nodes:
-            image_node.appendChild(link_node)
-        return image_node
-
-    def _image_to_xml_detailed(self, xml_doc, image):
-        image_node = xml_doc.createElement('image')
-        self._add_image_attributes(image_node, image)
-
-        if 'server' in image:
-            server_node = self._create_server_node(xml_doc, image['server'])
-            image_node.appendChild(server_node)
-
-        metadata = image.get('metadata', {}).items()
-        if len(metadata) > 0:
-            metadata_node = self._create_metadata_node(xml_doc, metadata)
-            image_node.appendChild(metadata_node)
-
-        link_nodes = self._create_link_nodes(xml_doc,
-                                             image['links'])
-        for link_node in link_nodes:
-            image_node.appendChild(link_node)
-
-        return image_node
-
-    def _add_image_attributes(self, node, image):
-        node.setAttribute('id', str(image['id']))
-        node.setAttribute('name', image['name'])
-        node.setAttribute('created', image['created'])
-        node.setAttribute('updated', image['updated'])
-        node.setAttribute('status', image['status'])
-        if 'progress' in image:
-            node.setAttribute('progress', str(image['progress']))
-
-    def _create_metadata_node(self, xml_doc, metadata):
-        return self.metadata_serializer.meta_list_to_xml(xml_doc, metadata)
-
-    def _create_server_node(self, xml_doc, server):
-        server_node = xml_doc.createElement('server')
-        server_node.setAttribute('id', str(server['id']))
-        link_nodes = self._create_link_nodes(xml_doc,
-                                             server['links'])
-        for link_node in link_nodes:
-            server_node.appendChild(link_node)
-        return server_node
-
-    def _image_list_to_xml(self, xml_doc, images, detailed):
-        container_node = xml_doc.createElement('images')
+    def _create_metadata_node(self, metadata_dict):
+        metadata_elem = etree.Element('metadata', nsmap=self.NSMAP)
+        self.metadata_serializer.populate_metadata(metadata_elem,
+                                                   metadata_dict)
+        return metadata_elem
+
+    def _create_server_node(self, server_dict):
+        server_elem = etree.Element('server', nsmap=self.NSMAP)
+        server_elem.set('id', str(server_dict['id']))
+        for link in server_dict.get('links', []):
+            elem = etree.SubElement(server_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return server_elem
+
+    def _populate_image(self, image_elem, image_dict, detailed=False):
+        """Populate an image xml element from a dict."""
+
+        image_elem.set('name', image_dict['name'])
+        image_elem.set('id', str(image_dict['id']))
         if detailed:
-            image_to_xml = self._image_to_xml_detailed
-        else:
-            image_to_xml = self._image_to_xml
-
-        for image in images:
-            item_node = image_to_xml(xml_doc, image)
-            container_node.appendChild(item_node)
-        return container_node
+            image_elem.set('updated', str(image_dict['updated']))
+            image_elem.set('created', str(image_dict['created']))
+            image_elem.set('status', str(image_dict['status']))
+            if 'progress' in image_dict:
+                image_elem.set('progress', str(image_dict['progress']))
+            if 'server' in image_dict:
+                server_elem = self._create_server_node(image_dict['server'])
+                image_elem.append(server_elem)
+
+            meta_elem = self._create_metadata_node(
+                            image_dict.get('metadata', {}))
+            image_elem.append(meta_elem)
+
+        for link in image_dict.get('links', []):
+            elem = etree.SubElement(image_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return image_elem
 
     def index(self, images_dict):
-        xml_doc = minidom.Document()
-        node = self._image_list_to_xml(xml_doc,
-                                       images_dict['images'],
-                                       detailed=False)
-        return self.to_xml_string(node, True)
+        images = etree.Element('images', nsmap=self.NSMAP)
+        for image_dict in images_dict['images']:
+            image = etree.SubElement(images, 'image')
+            self._populate_image(image, image_dict, False)
+        return self._to_xml(images)
 
     def detail(self, images_dict):
-        xml_doc = minidom.Document()
-        node = self._image_list_to_xml(xml_doc,
-                                       images_dict['images'],
-                                       detailed=True)
-        return self.to_xml_string(node, True)
+        images = etree.Element('images', nsmap=self.NSMAP)
+        for image_dict in images_dict['images']:
+            image = etree.SubElement(images, 'image')
+            self._populate_image(image, image_dict, True)
+        return self._to_xml(images)
 
     def show(self, image_dict):
-        xml_doc = minidom.Document()
-        node = self._image_to_xml_detailed(xml_doc,
-                                       image_dict['image'])
-        return self.to_xml_string(node, True)
+        image = etree.Element('image', nsmap=self.NSMAP)
+        self._populate_image(image, image_dict['image'], True)
+        return self._to_xml(image)
 
 
 def create_resource(version='1.0'):
diff --git a/nova/api/openstack/ips.py b/nova/api/openstack/ips.py
index a74fae487..7e644ba04 100644
--- a/nova/api/openstack/ips.py
+++ b/nova/api/openstack/ips.py
@@ -15,14 +15,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from lxml import etree
 import time
-from xml.dom import minidom
 
 from webob import exc
 
 import nova
 import nova.api.openstack.views.addresses
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 from nova import db
 
 
@@ -102,42 +103,36 @@ class ControllerV11(Controller):
 
 
 class IPXMLSerializer(wsgi.XMLDictSerializer):
+
+    NSMAP = {None: xmlutil.XMLNS_V11}
+
     def __init__(self, xmlns=wsgi.XMLNS_V11):
         super(IPXMLSerializer, self).__init__(xmlns=xmlns)
 
-    def _ip_to_xml(self, xml_doc, ip_dict):
-        ip_node = xml_doc.createElement('ip')
-        ip_node.setAttribute('addr', ip_dict['addr'])
-        ip_node.setAttribute('version', str(ip_dict['version']))
-        return ip_node
-
-    def _network_to_xml(self, xml_doc, network_id, ip_dicts):
-        network_node = xml_doc.createElement('network')
-        network_node.setAttribute('id', network_id)
+    def populate_addresses_node(self, addresses_elem,  addresses_dict):
+        for (network_id, ip_dicts) in addresses_dict.items():
+            network_elem = self._create_network_node(network_id, ip_dicts)
+            addresses_elem.append(network_elem)
 
+    def _create_network_node(self, network_id, ip_dicts):
+        network_elem = etree.Element('network', nsmap=self.NSMAP)
+        network_elem.set('id', str(network_id))
         for ip_dict in ip_dicts:
-            ip_node = self._ip_to_xml(xml_doc, ip_dict)
-            network_node.appendChild(ip_node)
-
-        return network_node
-
-    def networks_to_xml(self, xml_doc, networks_container):
-        addresses_node = xml_doc.createElement('addresses')
-        for (network_id, ip_dicts) in networks_container.items():
-            network_node = self._network_to_xml(xml_doc, network_id, ip_dicts)
-            addresses_node.appendChild(network_node)
-        return addresses_node
-
-    def show(self, network_container):
-        (network_id, ip_dicts) = network_container.items()[0]
-        xml_doc = minidom.Document()
-        node = self._network_to_xml(xml_doc, network_id, ip_dicts)
-        return self.to_xml_string(node, False)
-
-    def index(self, addresses_container):
-        xml_doc = minidom.Document()
-        node = self.networks_to_xml(xml_doc, addresses_container['addresses'])
-        return self.to_xml_string(node, False)
+            ip_elem = etree.SubElement(network_elem, 'ip')
+            ip_elem.set('version', str(ip_dict['version']))
+            ip_elem.set('addr', ip_dict['addr'])
+        return network_elem
+
+    def show(self, network_dict):
+        (network_id, ip_dicts) = network_dict.items()[0]
+        network = self._create_network_node(network_id, ip_dicts)
+        return self._to_xml(network)
+
+    def index(self, addresses_dict):
+        addresses = etree.Element('addresses', nsmap=self.NSMAP)
+        self.populate_addresses_node(addresses,
+                                     addresses_dict.get('addresses', {}))
+        return self._to_xml(addresses)
 
 
 def create_resource(version):
diff --git a/nova/api/openstack/limits.py b/nova/api/openstack/limits.py
index 86afa3b62..f6df94eea 100644
--- a/nova/api/openstack/limits.py
+++ b/nova/api/openstack/limits.py
@@ -20,12 +20,12 @@ Module dedicated functions/classes dealing with rate limiting requests.
 import copy
 import httplib
 import json
+from lxml import etree
 import math
 import re
 import time
 import urllib
 import webob.exc
-from xml.dom import minidom
 
 from collections import defaultdict
 
@@ -38,6 +38,7 @@ from nova.api.openstack import common
 from nova.api.openstack import faults
 from nova.api.openstack.views import limits as limits_views
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 
 
 # Convenience constants for the limits dictionary passed to Limiter().
@@ -81,52 +82,49 @@ class LimitsXMLSerializer(wsgi.XMLDictSerializer):
 
     xmlns = wsgi.XMLNS_V11
 
+    NSMAP = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
+
     def __init__(self):
         pass
 
-    def _create_rates_node(self, xml_doc, rates):
-        rates_node = xml_doc.createElement('rates')
+    def _create_rates_node(self, rates):
+        rates_elem = etree.Element('rates', nsmap=self.NSMAP)
         for rate in rates:
-            rate_node = xml_doc.createElement('rate')
-            rate_node.setAttribute('uri', rate['uri'])
-            rate_node.setAttribute('regex', rate['regex'])
-
+            rate_node = etree.SubElement(rates_elem, 'rate')
+            rate_node.set('uri', rate['uri'])
+            rate_node.set('regex', rate['regex'])
             for limit in rate['limit']:
-                limit_node = xml_doc.createElement('limit')
-                limit_node.setAttribute('value', str(limit['value']))
-                limit_node.setAttribute('verb', limit['verb'])
-                limit_node.setAttribute('remaining', str(limit['remaining']))
-                limit_node.setAttribute('unit', limit['unit'])
-                limit_node.setAttribute('next-available',
-                                        str(limit['next-available']))
-                rate_node.appendChild(limit_node)
-
-            rates_node.appendChild(rate_node)
-        return rates_node
-
-    def _create_absolute_node(self, xml_doc, absolutes):
-        absolute_node = xml_doc.createElement('absolute')
-        for key, value in absolutes.iteritems():
-            limit_node = xml_doc.createElement('limit')
-            limit_node.setAttribute('name', key)
-            limit_node.setAttribute('value', str(value))
-            absolute_node.appendChild(limit_node)
-        return absolute_node
-
-    def _limits_to_xml(self, xml_doc, limits):
-        limits_node = xml_doc.createElement('limits')
-        rates_node = self._create_rates_node(xml_doc, limits['rate'])
-        limits_node.appendChild(rates_node)
-
-        absolute_node = self._create_absolute_node(xml_doc, limits['absolute'])
-        limits_node.appendChild(absolute_node)
-
-        return limits_node
+                limit_elem = etree.SubElement(rate_node, 'limit')
+                limit_elem.set('value', str(limit['value']))
+                limit_elem.set('verb', str(limit['verb']))
+                limit_elem.set('remaining', str(limit['remaining']))
+                limit_elem.set('unit', str(limit['unit']))
+                limit_elem.set('next-available', str(limit['next-available']))
+        return rates_elem
+
+    def _create_absolute_node(self, absolute_dict):
+        absolute_elem = etree.Element('absolute', nsmap=self.NSMAP)
+        for key, value in absolute_dict.items():
+            limit_elem = etree.SubElement(absolute_elem, 'limit')
+            limit_elem.set('name', str(key))
+            limit_elem.set('value', str(value))
+        return absolute_elem
+
+    def _populate_limits(self, limits_elem, limits_dict):
+        """Populate a limits xml element from a dict."""
+
+        rates_elem = self._create_rates_node(
+                        limits_dict.get('rate', []))
+        limits_elem.append(rates_elem)
+
+        absolutes_elem = self._create_absolute_node(
+                        limits_dict.get('absolute', {}))
+        limits_elem.append(absolutes_elem)
 
     def index(self, limits_dict):
-        xml_doc = minidom.Document()
-        node = self._limits_to_xml(xml_doc, limits_dict['limits'])
-        return self.to_xml_string(node, False)
+        limits = etree.Element('limits', nsmap=self.NSMAP)
+        self._populate_limits(limits, limits_dict['limits'])
+        return self._to_xml(limits)
 
 
 def create_resource(version='1.0'):
diff --git a/nova/api/openstack/schemas/v1.1/addresses.rng b/nova/api/openstack/schemas/v1.1/addresses.rng
new file mode 100644
index 000000000..b498e8a63
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/addresses.rng
@@ -0,0 +1,14 @@
+<element name="addresses" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+  <zeroOrMore>
+    <element name="network">
+      <attribute name="id"> <text/> </attribute>
+        <zeroOrMore>
+          <element name="ip">
+            <attribute name="version"> <text/> </attribute>
+            <attribute name="addr"> <text/> </attribute>
+          </element>
+        </zeroOrMore>
+    </element>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/flavor.rng b/nova/api/openstack/schemas/v1.1/flavor.rng
new file mode 100644
index 000000000..a00e4e9ee
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/flavor.rng
@@ -0,0 +1,10 @@
+<element name="flavor" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+  <attribute name="name">      <text/> </attribute>
+  <attribute name="id">      <text/> </attribute>
+  <attribute name="ram"> <text/> </attribute>
+  <attribute name="disk">   <text/> </attribute>
+  <zeroOrMore>
+    <externalRef href="../atom-link.rng"/>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/flavors.rng b/nova/api/openstack/schemas/v1.1/flavors.rng
new file mode 100644
index 000000000..b7a3acc01
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/flavors.rng
@@ -0,0 +1,6 @@
+<element name="flavors" xmlns="http://relaxng.org/ns/structure/1.0"
+         ns="http://docs.openstack.org/compute/api/v1.1">
+  <zeroOrMore>
+    <externalRef href="flavor.rng"/>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/flavors_index.rng b/nova/api/openstack/schemas/v1.1/flavors_index.rng
new file mode 100644
index 000000000..d1a4fedb1
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/flavors_index.rng
@@ -0,0 +1,12 @@
+<element name="flavors" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+  <zeroOrMore>
+    <element name="flavor">
+      <attribute name="name"> <text/> </attribute>
+      <attribute name="id"> <text/> </attribute>
+      <zeroOrMore>
+        <externalRef href="../atom-link.rng"/>
+      </zeroOrMore>
+    </element>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/image.rng b/nova/api/openstack/schemas/v1.1/image.rng
new file mode 100644
index 000000000..887f76751
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/image.rng
@@ -0,0 +1,30 @@
+<element name="image" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+  <attribute name="name">      <text/> </attribute>
+  <attribute name="id">      <text/> </attribute>
+  <attribute name="updated">   <text/> </attribute>
+  <attribute name="created">   <text/> </attribute>
+  <attribute name="status">   <text/> </attribute>
+  <optional>
+    <attribute name="progress">   <text/> </attribute>
+  </optional>
+  <optional>
+    <element name="server">
+      <attribute name="id"> <text/> </attribute>
+      <zeroOrMore>
+        <externalRef href="../atom-link.rng"/>
+      </zeroOrMore>
+    </element>
+  </optional>
+  <element name="metadata">
+    <zeroOrMore>
+      <element name="meta">
+        <attribute name="key"> <text/> </attribute>
+        <text/>
+      </element>
+    </zeroOrMore>
+  </element>
+  <zeroOrMore>
+    <externalRef href="../atom-link.rng"/>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/images.rng b/nova/api/openstack/schemas/v1.1/images.rng
new file mode 100644
index 000000000..064d4d9cc
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/images.rng
@@ -0,0 +1,6 @@
+<element name="images" xmlns="http://relaxng.org/ns/structure/1.0"
+         ns="http://docs.openstack.org/compute/api/v1.1">
+  <zeroOrMore>
+    <externalRef href="image.rng"/>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/images_index.rng b/nova/api/openstack/schemas/v1.1/images_index.rng
new file mode 100644
index 000000000..81af19cb5
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/images_index.rng
@@ -0,0 +1,12 @@
+<element name="images" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+  <zeroOrMore>
+    <element name="image">
+      <attribute name="name"> <text/> </attribute>
+      <attribute name="id"> <text/> </attribute>
+      <zeroOrMore>
+        <externalRef href="../atom-link.rng"/>
+      </zeroOrMore>
+    </element>
+  </zeroOrMore>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/limits.rng b/nova/api/openstack/schemas/v1.1/limits.rng
new file mode 100644
index 000000000..1af8108ec
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/limits.rng
@@ -0,0 +1,28 @@
+<element name="limits" ns="http://docs.openstack.org/compute/api/v1.1"
+  xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="rates">
+    <zeroOrMore>
+      <element name="rate">
+        <attribute name="uri"> <text/> </attribute>
+        <attribute name="regex"> <text/> </attribute>
+        <zeroOrMore>
+          <element name="limit">
+            <attribute name="value"> <text/> </attribute>
+            <attribute name="verb"> <text/> </attribute>
+            <attribute name="remaining"> <text/> </attribute>
+            <attribute name="unit"> <text/> </attribute>
+            <attribute name="next-available"> <text/> </attribute>
+          </element>
+        </zeroOrMore>
+      </element>
+    </zeroOrMore>
+  </element>
+  <element name="absolute">
+    <zeroOrMore>
+      <element name="limit">
+        <attribute name="name"> <text/> </attribute>
+        <attribute name="value"> <text/> </attribute>
+      </element>
+    </zeroOrMore>
+  </element>
+</element>
diff --git a/nova/api/openstack/schemas/v1.1/metadata.rng b/nova/api/openstack/schemas/v1.1/metadata.rng
new file mode 100644
index 000000000..b2f5d702a
--- /dev/null
+++ b/nova/api/openstack/schemas/v1.1/metadata.rng
@@ -0,0 +1,9 @@
+  <element name="metadata" ns="http://docs.openstack.org/compute/api/v1.1"
+    xmlns="http://relaxng.org/ns/structure/1.0">
+    <zeroOrMore>
+      <element name="meta">
+        <attribute name="key"> <text/> </attribute>
+        <text/>
+      </element>
+    </zeroOrMore>
+  </element>
diff --git a/nova/api/openstack/schemas/v1.1/server.rng b/nova/api/openstack/schemas/v1.1/server.rng
index ef835e408..4eb1a0b85 100644
--- a/nova/api/openstack/schemas/v1.1/server.rng
+++ b/nova/api/openstack/schemas/v1.1/server.rng
@@ -17,9 +17,6 @@
   <optional>
     <attribute name="adminPass">   <text/> </attribute>
   </optional>
-  <zeroOrMore>
-    <externalRef href="../atom-link.rng"/>
-  </zeroOrMore>
   <element name="image">
     <attribute name="id"> <text/> </attribute>
     <externalRef href="../atom-link.rng"/>
@@ -49,4 +46,7 @@
       </element>
     </zeroOrMore>
   </element>
+  <zeroOrMore>
+    <externalRef href="../atom-link.rng"/>
+  </zeroOrMore>
 </element>
diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py
index f5447edc5..5affd1f33 100644
--- a/nova/api/openstack/servers.py
+++ b/nova/api/openstack/servers.py
@@ -17,8 +17,8 @@ import base64
 import os
 import traceback
 
+from lxml import etree
 from webob import exc
-from xml.dom import minidom
 import webob
 
 from nova import compute
@@ -38,6 +38,7 @@ import nova.api.openstack.views.addresses
 import nova.api.openstack.views.flavors
 import nova.api.openstack.views.images
 import nova.api.openstack.views.servers
+from nova.api.openstack import xmlutil
 
 
 LOG = logging.getLogger('nova.api.openstack.servers')
@@ -850,130 +851,113 @@ class HeadersSerializer(wsgi.ResponseHeadersSerializer):
 
 class ServerXMLSerializer(wsgi.XMLDictSerializer):
 
-    xmlns = wsgi.XMLNS_V11
+    NSMAP = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
 
     def __init__(self):
         self.metadata_serializer = common.MetadataXMLSerializer()
         self.addresses_serializer = ips.IPXMLSerializer()
 
-    def _create_basic_entity_node(self, xml_doc, id, links, name):
-        basic_node = xml_doc.createElement(name)
-        basic_node.setAttribute('id', str(id))
-        link_nodes = self._create_link_nodes(xml_doc, links)
-        for link_node in link_nodes:
-            basic_node.appendChild(link_node)
-        return basic_node
-
-    def _create_metadata_node(self, xml_doc, metadata):
-        return self.metadata_serializer.meta_list_to_xml(xml_doc, metadata)
-
-    def _create_addresses_node(self, xml_doc, addresses):
-        return self.addresses_serializer.networks_to_xml(xml_doc, addresses)
-
-    def _add_server_attributes(self, node, server):
-        node.setAttribute('id', str(server['id']))
-        node.setAttribute('userId', str(server['user_id']))
-        node.setAttribute('tenantId', str(server['tenant_id']))
-        node.setAttribute('uuid', str(server['uuid']))
-        node.setAttribute('hostId', str(server['hostId']))
-        node.setAttribute('name', server['name'])
-        node.setAttribute('created', str(server['created']))
-        node.setAttribute('updated', str(server['updated']))
-        node.setAttribute('status', server['status'])
-        if 'accessIPv4' in server:
-            node.setAttribute('accessIPv4', str(server['accessIPv4']))
-        if 'accessIPv6' in server:
-            node.setAttribute('accessIPv6', str(server['accessIPv6']))
-        if 'progress' in server:
-            node.setAttribute('progress', str(server['progress']))
-
-    def _server_to_xml(self, xml_doc, server):
-        server_node = xml_doc.createElement('server')
-        server_node.setAttribute('id', str(server['id']))
-        server_node.setAttribute('name', server['name'])
-        link_nodes = self._create_link_nodes(xml_doc,
-                                             server['links'])
-        for link_node in link_nodes:
-            server_node.appendChild(link_node)
-        return server_node
-
-    def _server_to_xml_detailed(self, xml_doc, server):
-        server_node = xml_doc.createElement('server')
-        self._add_server_attributes(server_node, server)
-
-        link_nodes = self._create_link_nodes(xml_doc,
-                                             server['links'])
-        for link_node in link_nodes:
-            server_node.appendChild(link_node)
-
-        if 'image' in server:
-            image_node = self._create_basic_entity_node(xml_doc,
-                                                    server['image']['id'],
-                                                    server['image']['links'],
-                                                    'image')
-            server_node.appendChild(image_node)
-
-        if 'flavor' in server:
-            flavor_node = self._create_basic_entity_node(xml_doc,
-                                                    server['flavor']['id'],
-                                                    server['flavor']['links'],
-                                                    'flavor')
-            server_node.appendChild(flavor_node)
-
-        metadata = server.get('metadata', {}).items()
-        if len(metadata) > 0:
-            metadata_node = self._create_metadata_node(xml_doc, metadata)
-            server_node.appendChild(metadata_node)
-
-        addresses_node = self._create_addresses_node(xml_doc,
-                                                     server['addresses'])
-        server_node.appendChild(addresses_node)
-
-        if 'security_groups' in server:
-            security_groups_node = self._create_security_groups_node(xml_doc,
-                                                    server['security_groups'])
-            server_node.appendChild(security_groups_node)
-
-        return server_node
-
-    def _server_list_to_xml(self, xml_doc, servers, detailed):
-        container_node = xml_doc.createElement('servers')
+    def _create_metadata_node(self, metadata_dict):
+        metadata_elem = etree.Element('metadata', nsmap=self.NSMAP)
+        self.metadata_serializer.populate_metadata(metadata_elem,
+                                                   metadata_dict)
+        return metadata_elem
+
+    def _create_image_node(self, image_dict):
+        image_elem = etree.Element('image', nsmap=self.NSMAP)
+        image_elem.set('id', str(image_dict['id']))
+        for link in image_dict.get('links', []):
+            elem = etree.SubElement(image_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return image_elem
+
+    def _create_flavor_node(self, flavor_dict):
+        flavor_elem = etree.Element('flavor', nsmap=self.NSMAP)
+        flavor_elem.set('id', str(flavor_dict['id']))
+        for link in flavor_dict.get('links', []):
+            elem = etree.SubElement(flavor_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return flavor_elem
+
+    def _create_addresses_node(self, addresses_dict):
+        addresses_elem = etree.Element('addresses', nsmap=self.NSMAP)
+        self.addresses_serializer.populate_addresses_node(addresses_elem,
+                                                          addresses_dict)
+        return addresses_elem
+
+    def _populate_server(self, server_elem, server_dict, detailed=False):
+        """Populate a server xml element from a dict."""
+
+        server_elem.set('name', server_dict['name'])
+        server_elem.set('id', str(server_dict['id']))
         if detailed:
-            server_to_xml = self._server_to_xml_detailed
-        else:
-            server_to_xml = self._server_to_xml
-
-        for server in servers:
-            item_node = server_to_xml(xml_doc, server)
-            container_node.appendChild(item_node)
-        return container_node
+            server_elem.set('uuid', str(server_dict['uuid']))
+            server_elem.set('userId', str(server_dict['user_id']))
+            server_elem.set('tenantId', str(server_dict['tenant_id']))
+            server_elem.set('updated', str(server_dict['updated']))
+            server_elem.set('created', str(server_dict['created']))
+            server_elem.set('hostId', str(server_dict['hostId']))
+            server_elem.set('accessIPv4', str(server_dict['accessIPv4']))
+            server_elem.set('accessIPv6', str(server_dict['accessIPv6']))
+            server_elem.set('status', str(server_dict['status']))
+            if 'progress' in server_dict:
+                server_elem.set('progress', str(server_dict['progress']))
+            image_elem = self._create_image_node(server_dict['image'])
+            server_elem.append(image_elem)
+
+            flavor_elem = self._create_flavor_node(server_dict['flavor'])
+            server_elem.append(flavor_elem)
+
+            meta_elem = self._create_metadata_node(
+                            server_dict.get('metadata', {}))
+            server_elem.append(meta_elem)
+
+            addresses_elem = self._create_addresses_node(
+                            server_dict.get('addresses', {}))
+            server_elem.append(addresses_elem)
+            groups = server_dict.get('security_groups')
+            if groups:
+                groups_elem = etree.SubElement(server_elem, 'security_groups')
+                for group in groups:
+                    group_elem = etree.SubElement(groups_elem,
+                                                  'security_group')
+                    group_elem.set('name', group['name'])
+
+        for link in server_dict.get('links', []):
+            elem = etree.SubElement(server_elem,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+        return server_elem
 
     def index(self, servers_dict):
-        xml_doc = minidom.Document()
-        node = self._server_list_to_xml(xml_doc,
-                                       servers_dict['servers'],
-                                       detailed=False)
-        return self.to_xml_string(node, True)
+        servers = etree.Element('servers', nsmap=self.NSMAP)
+        for server_dict in servers_dict['servers']:
+            server = etree.SubElement(servers, 'server')
+            self._populate_server(server, server_dict, False)
+        return self._to_xml(servers)
 
     def detail(self, servers_dict):
-        xml_doc = minidom.Document()
-        node = self._server_list_to_xml(xml_doc,
-                                       servers_dict['servers'],
-                                       detailed=True)
-        return self.to_xml_string(node, True)
+        servers = etree.Element('servers', nsmap=self.NSMAP)
+        for server_dict in servers_dict['servers']:
+            server = etree.SubElement(servers, 'server')
+            self._populate_server(server, server_dict, True)
+        return self._to_xml(servers)
 
     def show(self, server_dict):
-        xml_doc = minidom.Document()
-        node = self._server_to_xml_detailed(xml_doc,
-                                       server_dict['server'])
-        return self.to_xml_string(node, True)
+        server = etree.Element('server', nsmap=self.NSMAP)
+        self._populate_server(server, server_dict['server'], True)
+        return self._to_xml(server)
 
     def create(self, server_dict):
-        xml_doc = minidom.Document()
-        node = self._server_to_xml_detailed(xml_doc,
-                                       server_dict['server'])
-        node.setAttribute('adminPass', server_dict['server']['adminPass'])
-        return self.to_xml_string(node, True)
+        server = etree.Element('server', nsmap=self.NSMAP)
+        self._populate_server(server, server_dict['server'], True)
+        server.set('adminPass', server_dict['server']['adminPass'])
+        return self._to_xml(server)
 
     def action(self, server_dict):
         #NOTE(bcwaldon): We need a way to serialize actions individually. This
@@ -981,23 +965,9 @@ class ServerXMLSerializer(wsgi.XMLDictSerializer):
         return self.create(server_dict)
 
     def update(self, server_dict):
-        xml_doc = minidom.Document()
-        node = self._server_to_xml_detailed(xml_doc,
-                                       server_dict['server'])
-        return self.to_xml_string(node, True)
-
-    def _security_group_to_xml(self, doc, security_group):
-        node = doc.createElement('security_group')
-        node.setAttribute('name', str(security_group.get('name')))
-        return node
-
-    def _create_security_groups_node(self, xml_doc, security_groups):
-        security_groups_node = xml_doc.createElement('security_groups')
-        if security_groups:
-            for security_group in security_groups:
-                node = self._security_group_to_xml(xml_doc, security_group)
-                security_groups_node.appendChild(node)
-        return security_groups_node
+        server = etree.Element('server', nsmap=self.NSMAP)
+        self._populate_server(server, server_dict['server'], True)
+        return self._to_xml(server)
 
 
 def create_resource(version='1.0'):
diff --git a/nova/api/openstack/versions.py b/nova/api/openstack/versions.py
index e2f892fb6..31dd9dc11 100644
--- a/nova/api/openstack/versions.py
+++ b/nova/api/openstack/versions.py
@@ -16,12 +16,13 @@
 #    under the License.
 
 from datetime import datetime
+from lxml import etree
 import webob
 import webob.dec
-from xml.dom import minidom
 
 import nova.api.openstack.views.versions
 from nova.api.openstack import wsgi
+from nova.api.openstack import xmlutil
 
 
 VERSIONS = {
@@ -159,83 +160,51 @@ class VersionsRequestDeserializer(wsgi.RequestDeserializer):
 
 
 class VersionsXMLSerializer(wsgi.XMLDictSerializer):
-    #TODO(wwolf): this is temporary until we get rid of toprettyxml
-    # in the base class (XMLDictSerializer), which I plan to do in
-    # another branch
-    def to_xml_string(self, node, has_atom=False):
-        self._add_xmlns(node, has_atom)
-        return node.toxml(encoding='UTF-8')
-
-    def _versions_to_xml(self, versions, name="versions", xmlns=None):
-        root = self._xml_doc.createElement(name)
-        root.setAttribute("xmlns", wsgi.XMLNS_V11)
-        root.setAttribute("xmlns:atom", wsgi.XMLNS_ATOM)
 
-        for version in versions:
-            root.appendChild(self._create_version_node(version))
-
-        return root
-
-    def _create_media_types(self, media_types):
-        base = self._xml_doc.createElement('media-types')
-        for type in media_types:
-            node = self._xml_doc.createElement('media-type')
-            node.setAttribute('base', type['base'])
-            node.setAttribute('type', type['type'])
-            base.appendChild(node)
-
-        return base
-
-    def _create_version_node(self, version, create_ns=False):
-        version_node = self._xml_doc.createElement('version')
-        if create_ns:
-            xmlns = wsgi.XMLNS_V11
-            xmlns_atom = wsgi.XMLNS_ATOM
-            version_node.setAttribute('xmlns', xmlns)
-            version_node.setAttribute('xmlns:atom', xmlns_atom)
-
-        version_node.setAttribute('id', version['id'])
-        version_node.setAttribute('status', version['status'])
+    def _populate_version(self, version_node, version):
+        version_node.set('id', version['id'])
+        version_node.set('status', version['status'])
         if 'updated' in version:
-            version_node.setAttribute('updated', version['updated'])
-
+            version_node.set('updated', version['updated'])
         if 'media-types' in version:
-            media_types = self._create_media_types(version['media-types'])
-            version_node.appendChild(media_types)
-
-        link_nodes = self._create_link_nodes(self._xml_doc, version['links'])
-        for link in link_nodes:
-            version_node.appendChild(link)
-
-        return version_node
+            media_types = etree.SubElement(version_node, 'media-types')
+            for mtype in version['media-types']:
+                elem = etree.SubElement(media_types, 'media-type')
+                elem.set('base', mtype['base'])
+                elem.set('type', mtype['type'])
+        for link in version.get('links', []):
+            elem = etree.SubElement(version_node,
+                                    '{%s}link' % xmlutil.XMLNS_ATOM)
+            elem.set('rel', link['rel'])
+            elem.set('href', link['href'])
+            if 'type' in link:
+                elem.set('type', link['type'])
+
+    NSMAP = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
 
     def index(self, data):
-        self._xml_doc = minidom.Document()
-        node = self._versions_to_xml(data['versions'])
-
-        return self.to_xml_string(node)
+        root = etree.Element('versions', nsmap=self.NSMAP)
+        for version in data['versions']:
+            version_elem = etree.SubElement(root, 'version')
+            self._populate_version(version_elem, version)
+        return self._to_xml(root)
 
     def show(self, data):
-        self._xml_doc = minidom.Document()
-        node = self._create_version_node(data['version'], True)
-
-        return self.to_xml_string(node)
+        root = etree.Element('version', nsmap=self.NSMAP)
+        self._populate_version(root, data['version'])
+        return self._to_xml(root)
 
     def multi(self, data):
-        self._xml_doc = minidom.Document()
-        node = self._versions_to_xml(data['choices'], 'choices',
-                         xmlns=wsgi.XMLNS_V11)
-
-        return self.to_xml_string(node)
+        root = etree.Element('choices', nsmap=self.NSMAP)
+        for version in data['choices']:
+            version_elem = etree.SubElement(root, 'version')
+            self._populate_version(version_elem, version)
+        return self._to_xml(root)
 
 
 class VersionsAtomSerializer(wsgi.XMLDictSerializer):
-    #TODO(wwolf): this is temporary until we get rid of toprettyxml
-    # in the base class (XMLDictSerializer), which I plan to do in
-    # another branch
-    def to_xml_string(self, node, has_atom=False):
-        self._add_xmlns(node, has_atom)
-        return node.toxml(encoding='UTF-8')
+
+    NSMAP = {None: xmlutil.XMLNS_ATOM}
 
     def __init__(self, metadata=None, xmlns=None):
         self.metadata = metadata or {}
@@ -244,14 +213,6 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
         else:
             self.xmlns = xmlns
 
-    def _create_text_elem(self, name, text, type=None):
-        elem = self._xml_doc.createElement(name)
-        if type:
-            elem.setAttribute('type', type)
-        elem_text = self._xml_doc.createTextNode(text)
-        elem.appendChild(elem_text)
-        return elem
-
     def _get_most_recent_update(self, versions):
         recent = None
         for version in versions:
@@ -269,105 +230,64 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
         link_href = link_href.rstrip('/')
         return link_href.rsplit('/', 1)[0] + '/'
 
-    def _create_detail_meta(self, root, version):
-        title = self._create_text_elem('title', "About This Version",
-                                       type='text')
-
-        updated = self._create_text_elem('updated', version['updated'])
-
-        uri = version['links'][0]['href']
-        id = self._create_text_elem('id', uri)
-
-        link = self._xml_doc.createElement('link')
-        link.setAttribute('rel', 'self')
-        link.setAttribute('href', uri)
+    def _create_feed(self, versions, feed_title, feed_id):
+        feed = etree.Element('feed', nsmap=self.NSMAP)
+        title = etree.SubElement(feed, 'title')
+        title.set('type', 'text')
+        title.text = feed_title
 
-        author = self._xml_doc.createElement('author')
-        author_name = self._create_text_elem('name', 'Rackspace')
-        author_uri = self._create_text_elem('uri', 'http://www.rackspace.com/')
-        author.appendChild(author_name)
-        author.appendChild(author_uri)
-
-        root.appendChild(title)
-        root.appendChild(updated)
-        root.appendChild(id)
-        root.appendChild(author)
-        root.appendChild(link)
-
-    def _create_list_meta(self, root, versions):
-        title = self._create_text_elem('title', "Available API Versions",
-                                       type='text')
         # Set this updated to the most recently updated version
         recent = self._get_most_recent_update(versions)
-        updated = self._create_text_elem('updated', recent)
-
-        base_url = self._get_base_url(versions[0]['links'][0]['href'])
-        id = self._create_text_elem('id', base_url)
+        etree.SubElement(feed, 'updated').text = recent
 
-        link = self._xml_doc.createElement('link')
-        link.setAttribute('rel', 'self')
-        link.setAttribute('href', base_url)
+        etree.SubElement(feed, 'id').text = feed_id
 
-        author = self._xml_doc.createElement('author')
-        author_name = self._create_text_elem('name', 'Rackspace')
-        author_uri = self._create_text_elem('uri', 'http://www.rackspace.com/')
-        author.appendChild(author_name)
-        author.appendChild(author_uri)
+        link = etree.SubElement(feed, 'link')
+        link.set('rel', 'self')
+        link.set('href', feed_id)
 
-        root.appendChild(title)
-        root.appendChild(updated)
-        root.appendChild(id)
-        root.appendChild(author)
-        root.appendChild(link)
+        author = etree.SubElement(feed, 'author')
+        etree.SubElement(author, 'name').text = 'Rackspace'
+        etree.SubElement(author, 'uri').text = 'http://www.rackspace.com/'
 
-    def _create_version_entries(self, root, versions):
         for version in versions:
-            entry = self._xml_doc.createElement('entry')
-
-            id = self._create_text_elem('id', version['links'][0]['href'])
-            title = self._create_text_elem('title',
-                                           'Version %s' % version['id'],
-                                           type='text')
-            updated = self._create_text_elem('updated', version['updated'])
-
-            entry.appendChild(id)
-            entry.appendChild(title)
-            entry.appendChild(updated)
-
-            for link in version['links']:
-                link_node = self._xml_doc.createElement('link')
-                link_node.setAttribute('rel', link['rel'])
-                link_node.setAttribute('href', link['href'])
-                if 'type' in link:
-                    link_node.setAttribute('type', link['type'])
-
-                entry.appendChild(link_node)
-
-            content = self._create_text_elem('content',
-                'Version %s %s (%s)' %
-                    (version['id'],
-                     version['status'],
-                     version['updated']),
-                type='text')
-
-            entry.appendChild(content)
-            root.appendChild(entry)
+            feed.append(self._create_version_entry(version))
+
+        return feed
+
+    def _create_version_entry(self, version):
+        entry = etree.Element('entry')
+        etree.SubElement(entry, 'id').text = version['links'][0]['href']
+        title = etree.SubElement(entry, 'title')
+        title.set('type', 'text')
+        title.text = 'Version %s' % version['id']
+        etree.SubElement(entry, 'updated').text = version['updated']
+
+        for link in version['links']:
+            link_elem = etree.SubElement(entry, 'link')
+            link_elem.set('rel', link['rel'])
+            link_elem.set('href', link['href'])
+            if 'type' in link:
+                link_elem.set('type', link['type'])
+
+        content = etree.SubElement(entry, 'content')
+        content.set('type', 'text')
+        content.text = 'Version %s %s (%s)' % (version['id'],
+                                               version['status'],
+                                               version['updated'])
+        return entry
 
     def index(self, data):
-        self._xml_doc = minidom.Document()
-        node = self._xml_doc.createElementNS(self.xmlns, 'feed')
-        self._create_list_meta(node, data['versions'])
-        self._create_version_entries(node, data['versions'])
-
-        return self.to_xml_string(node)
+        versions = data['versions']
+        feed_id = self._get_base_url(versions[0]['links'][0]['href'])
+        feed = self._create_feed(versions, 'Available API Versions', feed_id)
+        return self._to_xml(feed)
 
     def show(self, data):
-        self._xml_doc = minidom.Document()
-        node = self._xml_doc.createElementNS(self.xmlns, 'feed')
-        self._create_detail_meta(node, data['version'])
-        self._create_version_entries(node, [data['version']])
-
-        return self.to_xml_string(node)
+        version = data['version']
+        feed_id = version['links'][0]['href']
+        feed = self._create_feed([version], 'About This Version', feed_id)
+        return self._to_xml(feed)
 
 
 class VersionsHeadersSerializer(wsgi.ResponseHeadersSerializer):
diff --git a/nova/api/openstack/views/versions.py b/nova/api/openstack/views/versions.py
index 03da80818..1ac398706 100644
--- a/nova/api/openstack/views/versions.py
+++ b/nova/api/openstack/views/versions.py
@@ -52,7 +52,7 @@ class ViewBuilder(object):
 
     def build_versions(self, versions):
         version_objs = []
-        for version in versions:
+        for version in sorted(versions.keys()):
             version = versions[version]
             version_objs.append({
                 "id": version['id'],
diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py
index 8641e960a..bdcadcb99 100644
--- a/nova/api/openstack/wsgi.py
+++ b/nova/api/openstack/wsgi.py
@@ -1,5 +1,6 @@
 
 import json
+from lxml import etree
 import webob
 from xml.dom import minidom
 from xml.parsers import expat
@@ -392,6 +393,10 @@ class XMLDictSerializer(DictSerializer):
             link_nodes.append(link_node)
         return link_nodes
 
+    def _to_xml(self, root):
+        """Convert the xml object to an xml string."""
+        return etree.tostring(root, encoding='UTF-8', xml_declaration=True)
+
 
 class ResponseHeadersSerializer(ActionDispatcher):
     """Default response headers serialization"""
diff --git a/nova/compute/api.py b/nova/compute/api.py
index 1f4ce3165..ba314efb6 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -1109,7 +1109,7 @@ class API(base.Base):
                     vm_state=vm_states.ACTIVE,
                     task_state=task_states.REBOOTING)
         self._cast_compute_message('reboot_instance', context, instance_id,
-                reboot_type)
+                params={'reboot_type': reboot_type})
 
     @scheduler_api.reroute_compute("rebuild")
     def rebuild(self, context, instance_id, image_href, admin_password,
diff --git a/nova/db/sqlalchemy/migrate_repo/versions/046_add_instance_swap.py b/nova/db/sqlalchemy/migrate_repo/versions/046_add_instance_swap.py
new file mode 100644
index 000000000..63e7bc4f9
--- /dev/null
+++ b/nova/db/sqlalchemy/migrate_repo/versions/046_add_instance_swap.py
@@ -0,0 +1,48 @@
+# Copyright 2011 Isaku Yamahata
+#
+#    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 Column, Integer, MetaData, Table, String
+
+meta = MetaData()
+
+default_local_device = Column(
+    'default_local_device',
+    String(length=255, convert_unicode=False, assert_unicode=None,
+           unicode_error=None, _warn_on_bytestring=False),
+    nullable=True)
+
+default_swap_device = Column(
+    'default_swap_device',
+    String(length=255, convert_unicode=False, assert_unicode=None,
+           unicode_error=None, _warn_on_bytestring=False),
+    nullable=True)
+
+instances = Table('instances', meta,
+        Column('id', Integer(), primary_key=True, nullable=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
+    instances.create_column(default_local_device)
+    instances.create_column(default_swap_device)
+
+
+def downgrade(migrate_engine):
+    # Operations to reverse the above upgrade go here.
+    meta.bind = migrate_engine
+    instances.drop_column('default_swap_device')
+    instances.drop_column('default_local_device')
diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py
index 211049112..b5f30a1e3 100644
--- a/nova/db/sqlalchemy/models.py
+++ b/nova/db/sqlalchemy/models.py
@@ -232,6 +232,8 @@ class Instance(BASE, NovaBase):
     uuid = Column(String(36))
 
     root_device_name = Column(String(255))
+    default_local_device = Column(String(255), nullable=True)
+    default_swap_device = Column(String(255), nullable=True)
     config_drive = Column(String(255))
 
     # User editable field meant to represent what ip should be used
diff --git a/nova/tests/api/ec2/test_cloud.py b/nova/tests/api/ec2/test_cloud.py
index 7fe353b3d..7bdae0552 100644
--- a/nova/tests/api/ec2/test_cloud.py
+++ b/nova/tests/api/ec2/test_cloud.py
@@ -1540,7 +1540,9 @@ class CloudTestCase(test.TestCase):
                     'ephemeral0': '/dev/sdb',
                     'swap': '/dev/sdc',
                     'ephemeral1': '/dev/sdd',
-                    'ephemeral2': '/dev/sd3'}
+                    'ephemeral2': '/dev/sd3',
+                    'ebs0': '/dev/sdh',
+                    'ebs1': '/dev/sdi'}
 
         self.assertEqual(self.cloud._format_instance_mapping(ctxt,
                                                              instance_ref0),
diff --git a/nova/tests/api/openstack/common.py b/nova/tests/api/openstack/common.py
index 74bb8729a..19515ca67 100644
--- a/nova/tests/api/openstack/common.py
+++ b/nova/tests/api/openstack/common.py
@@ -34,3 +34,25 @@ def webob_factory(url):
             req.body = json.dumps(body)
         return req
     return web_request
+
+
+def compare_links(actual, expected):
+    """Compare xml atom links."""
+
+    return compare_tree_to_dict(actual, expected, ('rel', 'href', 'type'))
+
+
+def compare_media_types(actual, expected):
+    """Compare xml media types."""
+
+    return compare_tree_to_dict(actual, expected, ('base', 'type'))
+
+
+def compare_tree_to_dict(actual, expected, keys):
+    """Compare parts of lxml.etree objects to dicts."""
+
+    for elem, data in zip(actual, expected):
+        for key in keys:
+            if elem.get(key) != data.get(key):
+                return False
+    return True
diff --git a/nova/tests/api/openstack/contrib/test_createserverext.py b/nova/tests/api/openstack/contrib/test_createserverext.py
index 078b72d67..03c7d1ec5 100644
--- a/nova/tests/api/openstack/contrib/test_createserverext.py
+++ b/nova/tests/api/openstack/contrib/test_createserverext.py
@@ -49,9 +49,13 @@ INSTANCE = {
              "id": 1,
              "display_name": "test_server",
              "uuid": FAKE_UUID,
+             "user_id": 'fake_user_id',
+             "tenant_id": 'fake_tenant_id',
              "created_at": datetime.datetime(2010, 10, 10, 12, 0, 0),
              "updated_at": datetime.datetime(2010, 11, 11, 11, 0, 0),
-             "security_groups": [{"id": 1, "name": "test"}]
+             "security_groups": [{"id": 1, "name": "test"}],
+             "image_ref": 'http://foo.com/123',
+             "instance_type": {"flavorid": '124'},
         }
 
 
diff --git a/nova/tests/api/openstack/test_common.py b/nova/tests/api/openstack/test_common.py
index b422bc4d1..867e9d446 100644
--- a/nova/tests/api/openstack/test_common.py
+++ b/nova/tests/api/openstack/test_common.py
@@ -19,6 +19,7 @@
 Test suites for 'common' code used throughout the OpenStack HTTP API.
 """
 
+from lxml import etree
 import webob.exc
 import xml.dom.minidom as minidom
 
@@ -26,6 +27,11 @@ from webob import Request
 
 from nova import test
 from nova.api.openstack import common
+from nova.api.openstack import xmlutil
+
+
+NS = "{http://docs.openstack.org/compute/api/v1.1}"
+ATOMNS = "{http://www.w3.org/2005/Atom}"
 
 
 class LimiterTest(test.TestCase):
@@ -314,7 +320,7 @@ class MetadataXMLDeserializationTest(test.TestCase):
 
 class MetadataXMLSerializationTest(test.TestCase):
 
-    def test_index(self):
+    def test_xml_declaration(self):
         serializer = common.MetadataXMLSerializer()
         fixture = {
             'metadata': {
@@ -322,17 +328,31 @@ class MetadataXMLSerializationTest(test.TestCase):
                 'three': 'four',
             },
         }
-        output = serializer.serialize(fixture, 'index')
-        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("  ", "").replace("\n", ""))
+        output = serializer.serialize(fixture, 'index')
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
 
-        self.assertEqual(expected.toxml(), actual.toxml())
+    def test_index(self):
+        serializer = common.MetadataXMLSerializer()
+        fixture = {
+            'metadata': {
+                'one': 'two',
+                'three': 'four',
+            },
+        }
+        output = serializer.serialize(fixture, 'index')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'metadata')
+        metadata_dict = fixture['metadata']
+        metadata_elems = root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 2)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = metadata_dict.items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
 
     def test_index_null(self):
         serializer = common.MetadataXMLSerializer()
@@ -342,15 +362,16 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <metadata xmlns="http://docs.openstack.org/compute/api/v1.1">
-                <meta key="None">None</meta>
-            </metadata>
-        """.replace("  ", "").replace("\n", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'metadata')
+        metadata_dict = fixture['metadata']
+        metadata_elems = root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 1)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = metadata_dict.items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
 
     def test_index_unicode(self):
         serializer = common.MetadataXMLSerializer()
@@ -360,15 +381,16 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString(u"""
-            <metadata xmlns="http://docs.openstack.org/compute/api/v1.1">
-                <meta key="three">Jos\xe9</meta>
-            </metadata>
-        """.encode("UTF-8").replace("  ", "").replace("\n", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'metadata')
+        metadata_dict = fixture['metadata']
+        metadata_elems = root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 1)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = metadata_dict.items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(metadata_elem.text.strip(), meta_value)
 
     def test_show(self):
         serializer = common.MetadataXMLSerializer()
@@ -378,14 +400,12 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <meta xmlns="http://docs.openstack.org/compute/api/v1.1"
-                 key="one">two</meta>
-        """.replace("  ", "").replace("\n", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        meta_dict = fixture['meta']
+        (meta_key, meta_value) = meta_dict.items()[0]
+        self.assertEqual(str(root.get('key')), str(meta_key))
+        self.assertEqual(root.text.strip(), meta_value)
 
     def test_update_all(self):
         serializer = common.MetadataXMLSerializer()
@@ -396,16 +416,16 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'update_all')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <metadata xmlns="http://docs.openstack.org/compute/api/v1.1">
-                <meta key="key6">value6</meta>
-                <meta key="key4">value4</meta>
-            </metadata>
-        """.replace("  ", "").replace("\n", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'metadata')
+        metadata_dict = fixture['metadata']
+        metadata_elems = root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 2)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = metadata_dict.items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
 
     def test_update_item(self):
         serializer = common.MetadataXMLSerializer()
@@ -415,14 +435,12 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'update')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <meta xmlns="http://docs.openstack.org/compute/api/v1.1"
-                 key="one">two</meta>
-        """.replace("  ", "").replace("\n", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        meta_dict = fixture['meta']
+        (meta_key, meta_value) = meta_dict.items()[0]
+        self.assertEqual(str(root.get('key')), str(meta_key))
+        self.assertEqual(root.text.strip(), meta_value)
 
     def test_create(self):
         serializer = common.MetadataXMLSerializer()
@@ -434,6 +452,16 @@ class MetadataXMLSerializationTest(test.TestCase):
             },
         }
         output = serializer.serialize(fixture, 'create')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'metadata')
+        metadata_dict = fixture['metadata']
+        metadata_elems = root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 3)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = metadata_dict.items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
         actual = minidom.parseString(output.replace("  ", ""))
 
         expected = minidom.parseString("""
diff --git a/nova/tests/api/openstack/test_flavors.py b/nova/tests/api/openstack/test_flavors.py
index 812bece42..a3c5bd107 100644
--- a/nova/tests/api/openstack/test_flavors.py
+++ b/nova/tests/api/openstack/test_flavors.py
@@ -17,16 +17,21 @@
 
 import json
 import webob
-import xml.dom.minidom as minidom
+from lxml import etree
 
 from nova.api.openstack import flavors
 import nova.db.api
 from nova import exception
 from nova import test
+from nova.api.openstack import xmlutil
 from nova.tests.api.openstack import fakes
 from nova import wsgi
 
 
+NS = "{http://docs.openstack.org/compute/api/v1.1}"
+ATOMNS = "{http://www.w3.org/2005/Atom}"
+
+
 def stub_flavor(flavorid, name, memory_mb="256", local_gb="10"):
     return {
         "flavorid": str(flavorid),
@@ -262,10 +267,37 @@ class FlavorsTest(test.TestCase):
 
 class FlavorsXMLSerializationTest(test.TestCase):
 
+    def test_xml_declaration(self):
+        serializer = flavors.FlavorXMLSerializer()
+
+        fixture = {
+            "flavor": {
+                "id": "12",
+                "name": "asdf",
+                "ram": "256",
+                "disk": "10",
+                "links": [
+                    {
+                        "rel": "self",
+                        "href": "http://localhost/v1.1/fake/flavors/12",
+                    },
+                    {
+                        "rel": "bookmark",
+                        "href": "http://localhost/fake/flavors/12",
+                    },
+                ],
+            },
+        }
+
+        output = serializer.serialize(fixture, 'show')
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
+
     def test_show(self):
         serializer = flavors.FlavorXMLSerializer()
 
-        input = {
+        fixture = {
             "flavor": {
                 "id": "12",
                 "name": "asdf",
@@ -284,29 +316,25 @@ class FlavorsXMLSerializationTest(test.TestCase):
             },
         }
 
-        output = serializer.serialize(input, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <flavor xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                id="12"
-                name="asdf"
-                ram="256"
-                disk="10">
-            <atom:link href="http://localhost/v1.1/fake/flavors/12"
-                 rel="self"/>
-            <atom:link href="http://localhost/fake/flavors/12"
-                 rel="bookmark"/>
-        </flavor>
-        """.replace("  ", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = serializer.serialize(fixture, 'show')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'flavor')
+        flavor_dict = fixture['flavor']
+
+        for key in ['name', 'id', 'ram', 'disk']:
+            self.assertEqual(root.get(key), str(flavor_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(flavor_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
 
     def test_show_handles_integers(self):
         serializer = flavors.FlavorXMLSerializer()
 
-        input = {
+        fixture = {
             "flavor": {
                 "id": 12,
                 "name": "asdf",
@@ -325,29 +353,25 @@ class FlavorsXMLSerializationTest(test.TestCase):
             },
         }
 
-        output = serializer.serialize(input, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <flavor xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                id="12"
-                name="asdf"
-                ram="256"
-                disk="10">
-            <atom:link href="http://localhost/v1.1/fake/flavors/12"
-                 rel="self"/>
-            <atom:link href="http://localhost/fake/flavors/12"
-                 rel="bookmark"/>
-        </flavor>
-        """.replace("  ", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = serializer.serialize(fixture, 'show')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'flavor')
+        flavor_dict = fixture['flavor']
+
+        for key in ['name', 'id', 'ram', 'disk']:
+            self.assertEqual(root.get(key), str(flavor_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(flavor_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
 
     def test_detail(self):
         serializer = flavors.FlavorXMLSerializer()
 
-        input = {
+        fixture = {
             "flavors": [
                 {
                     "id": "23",
@@ -383,39 +407,28 @@ class FlavorsXMLSerializationTest(test.TestCase):
             ],
         }
 
-        output = serializer.serialize(input, 'detail')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <flavors xmlns="http://docs.openstack.org/compute/api/v1.1"
-                 xmlns:atom="http://www.w3.org/2005/Atom">
-            <flavor id="23"
-                    name="flavor 23"
-                    ram="512"
-                    disk="20">
-                <atom:link href="http://localhost/v1.1/fake/flavors/23"
-                     rel="self"/>
-                <atom:link href="http://localhost/fake/flavors/23"
-                     rel="bookmark"/>
-            </flavor>
-            <flavor id="13"
-                    name="flavor 13"
-                    ram="256"
-                    disk="10">
-                <atom:link href="http://localhost/v1.1/fake/flavors/13"
-                     rel="self"/>
-                <atom:link href="http://localhost/fake/flavors/13"
-                     rel="bookmark"/>
-            </flavor>
-        </flavors>
-        """.replace("  ", "") % locals())
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = serializer.serialize(fixture, 'detail')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'flavors')
+        flavor_elems = root.findall('{0}flavor'.format(NS))
+        self.assertEqual(len(flavor_elems), 2)
+        for i, flavor_elem in enumerate(flavor_elems):
+            flavor_dict = fixture['flavors'][i]
+
+            for key in ['name', 'id', 'ram', 'disk']:
+                self.assertEqual(flavor_elem.get(key), str(flavor_dict[key]))
+
+            link_nodes = flavor_elem.findall('{0}link'.format(ATOMNS))
+            self.assertEqual(len(link_nodes), 2)
+            for i, link in enumerate(flavor_dict['links']):
+                for key, value in link.items():
+                    self.assertEqual(link_nodes[i].get(key), value)
 
     def test_index(self):
         serializer = flavors.FlavorXMLSerializer()
 
-        input = {
+        fixture = {
             "flavors": [
                 {
                     "id": "23",
@@ -451,42 +464,34 @@ class FlavorsXMLSerializationTest(test.TestCase):
             ],
         }
 
-        output = serializer.serialize(input, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <flavors xmlns="http://docs.openstack.org/compute/api/v1.1"
-                 xmlns:atom="http://www.w3.org/2005/Atom">
-            <flavor id="23" name="flavor 23">
-                <atom:link href="http://localhost/v1.1/fake/flavors/23"
-                     rel="self"/>
-                <atom:link href="http://localhost/fake/flavors/23"
-                     rel="bookmark"/>
-            </flavor>
-            <flavor id="13" name="flavor 13">
-                <atom:link href="http://localhost/v1.1/fake/flavors/13"
-                     rel="self"/>
-                <atom:link href="http://localhost/fake/flavors/13"
-                     rel="bookmark"/>
-            </flavor>
-        </flavors>
-        """.replace("  ", "") % locals())
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = serializer.serialize(fixture, 'index')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'flavors_index')
+        flavor_elems = root.findall('{0}flavor'.format(NS))
+        self.assertEqual(len(flavor_elems), 2)
+        for i, flavor_elem in enumerate(flavor_elems):
+            flavor_dict = fixture['flavors'][i]
+
+            for key in ['name', 'id']:
+                self.assertEqual(flavor_elem.get(key), str(flavor_dict[key]))
+
+            link_nodes = flavor_elem.findall('{0}link'.format(ATOMNS))
+            self.assertEqual(len(link_nodes), 2)
+            for i, link in enumerate(flavor_dict['links']):
+                for key, value in link.items():
+                    self.assertEqual(link_nodes[i].get(key), value)
 
     def test_index_empty(self):
         serializer = flavors.FlavorXMLSerializer()
 
-        input = {
+        fixture = {
             "flavors": [],
         }
 
-        output = serializer.serialize(input, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <flavors xmlns="http://docs.openstack.org/compute/api/v1.1"
-                 xmlns:atom="http://www.w3.org/2005/Atom" />
-        """.replace("  ", "") % locals())
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = serializer.serialize(fixture, 'index')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'flavors_index')
+        flavor_elems = root.findall('{0}flavor'.format(NS))
+        self.assertEqual(len(flavor_elems), 0)
diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py
index 7759b52ef..2aee1bc14 100644
--- a/nova/tests/api/openstack/test_images.py
+++ b/nova/tests/api/openstack/test_images.py
@@ -24,6 +24,7 @@ import copy
 import json
 import xml.dom.minidom as minidom
 
+from lxml import etree
 import mox
 import stubout
 import webob
@@ -31,10 +32,13 @@ import webob
 from nova import context
 import nova.api.openstack
 from nova.api.openstack import images
+from nova.api.openstack import xmlutil
 from nova import test
 from nova.tests.api.openstack import fakes
 
 
+NS = "{http://docs.openstack.org/compute/api/v1.1}"
+ATOMNS = "{http://www.w3.org/2005/Atom}"
 NOW_API_FORMAT = "2010-10-11T10:30:22Z"
 
 
@@ -972,7 +976,7 @@ class ImageXMLSerializationTest(test.TestCase):
     IMAGE_HREF = 'http://localhost/v1.1/fake/images/%s'
     IMAGE_BOOKMARK = 'http://localhost/fake/images/%s'
 
-    def test_show(self):
+    def test_xml_declaration(self):
         serializer = images.ImageXMLSerializer()
 
         fixture = {
@@ -984,7 +988,7 @@ class ImageXMLSerializationTest(test.TestCase):
                 'status': 'ACTIVE',
                 'progress': 80,
                 'server': {
-                    'id': 1,
+                    'id': '1',
                     'links': [
                         {
                             'href': self.SERVER_HREF,
@@ -1013,37 +1017,80 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
 
-        expected_server_href = self.SERVER_HREF
-        expected_server_bookmark = self.SERVER_BOOKMARK
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <image id="1"
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                name="Image1"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="ACTIVE"
-                progress="80">
-            <server id="1">
-                <atom:link rel="self" href="%(expected_server_href)s"/>
-                <atom:link rel="bookmark" href="%(expected_server_bookmark)s"/>
-            </server>
-            <metadata>
-                <meta key="key1">
-                    value1
-                </meta>
-            </metadata>
-            <atom:link href="%(expected_href)s" rel="self"/>
-            <atom:link href="%(expected_bookmark)s" rel="bookmark"/>
-        </image>
-        """.replace("  ", "") % (locals()))
+    def test_show(self):
+        serializer = images.ImageXMLSerializer()
 
-        self.assertEqual(expected.toxml(), actual.toxml())
+        fixture = {
+            'image': {
+                'id': 1,
+                'name': 'Image1',
+                'created': self.TIMESTAMP,
+                'updated': self.TIMESTAMP,
+                'status': 'ACTIVE',
+                'progress': 80,
+                'server': {
+                    'id': '1',
+                    'links': [
+                        {
+                            'href': self.SERVER_HREF,
+                            'rel': 'self',
+                        },
+                        {
+                            'href': self.SERVER_BOOKMARK,
+                            'rel': 'bookmark',
+                        },
+                    ],
+                },
+                'metadata': {
+                    'key1': 'value1',
+                },
+                'links': [
+                    {
+                        'href': self.IMAGE_HREF % 1,
+                        'rel': 'self',
+                    },
+                    {
+                        'href': self.IMAGE_BOOKMARK % 1,
+                        'rel': 'bookmark',
+                    },
+                ],
+            },
+        }
+
+        output = serializer.serialize(fixture, 'show')
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'image')
+        image_dict = fixture['image']
+
+        for key in ['name', 'id', 'updated', 'created', 'status', 'progress']:
+            self.assertEqual(root.get(key), str(image_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
+
+        metadata_root = root.find('{0}metadata'.format(NS))
+        metadata_elems = metadata_root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 1)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = image_dict['metadata'].items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
+
+        server_root = root.find('{0}server'.format(NS))
+        self.assertEqual(server_root.get('id'), image_dict['server']['id'])
+        link_nodes = server_root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['server']['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
 
     def test_show_zero_metadata(self):
         serializer = images.ImageXMLSerializer()
@@ -1056,7 +1103,7 @@ class ImageXMLSerializationTest(test.TestCase):
                 'updated': self.TIMESTAMP,
                 'status': 'ACTIVE',
                 'server': {
-                    'id': 1,
+                    'id': '1',
                     'links': [
                         {
                             'href': self.SERVER_HREF,
@@ -1083,31 +1130,31 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected_server_href = self.SERVER_HREF
-        expected_server_bookmark = self.SERVER_BOOKMARK
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <image id="1"
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                name="Image1"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="ACTIVE">
-            <server id="1">
-                <atom:link rel="self" href="%(expected_server_href)s"/>
-                <atom:link rel="bookmark" href="%(expected_server_bookmark)s"/>
-            </server>
-            <atom:link href="%(expected_href)s" rel="self"/>
-            <atom:link href="%(expected_bookmark)s" rel="bookmark"/>
-        </image>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'image')
+        image_dict = fixture['image']
+
+        for key in ['name', 'id', 'updated', 'created', 'status']:
+            self.assertEqual(root.get(key), str(image_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
+
+        metadata_root = root.find('{0}metadata'.format(NS))
+        meta_nodes = root.findall('{0}meta'.format(ATOMNS))
+        self.assertEqual(len(meta_nodes), 0)
+
+        server_root = root.find('{0}server'.format(NS))
+        self.assertEqual(server_root.get('id'), image_dict['server']['id'])
+        link_nodes = server_root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['server']['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
 
     def test_show_image_no_metadata_key(self):
         serializer = images.ImageXMLSerializer()
@@ -1120,7 +1167,7 @@ class ImageXMLSerializationTest(test.TestCase):
                 'updated': self.TIMESTAMP,
                 'status': 'ACTIVE',
                 'server': {
-                    'id': 1,
+                    'id': '1',
                     'links': [
                         {
                             'href': self.SERVER_HREF,
@@ -1146,31 +1193,31 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected_server_href = self.SERVER_HREF
-        expected_server_bookmark = self.SERVER_BOOKMARK
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <image id="1"
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                name="Image1"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="ACTIVE">
-            <server id="1">
-                <atom:link rel="self" href="%(expected_server_href)s"/>
-                <atom:link rel="bookmark" href="%(expected_server_bookmark)s"/>
-            </server>
-            <atom:link href="%(expected_href)s" rel="self"/>
-            <atom:link href="%(expected_bookmark)s" rel="bookmark"/>
-        </image>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'image')
+        image_dict = fixture['image']
+
+        for key in ['name', 'id', 'updated', 'created', 'status']:
+            self.assertEqual(root.get(key), str(image_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
+
+        metadata_root = root.find('{0}metadata'.format(NS))
+        meta_nodes = root.findall('{0}meta'.format(ATOMNS))
+        self.assertEqual(len(meta_nodes), 0)
+
+        server_root = root.find('{0}server'.format(NS))
+        self.assertEqual(server_root.get('id'), image_dict['server']['id'])
+        link_nodes = server_root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['server']['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
 
     def test_show_no_server(self):
         serializer = images.ImageXMLSerializer()
@@ -1199,30 +1246,30 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <image id="1"
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                name="Image1"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="ACTIVE">
-            <metadata>
-                <meta key="key1">
-                    value1
-                </meta>
-            </metadata>
-            <atom:link href="%(expected_href)s" rel="self"/>
-            <atom:link href="%(expected_bookmark)s" rel="bookmark"/>
-        </image>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'image')
+        image_dict = fixture['image']
+
+        for key in ['name', 'id', 'updated', 'created', 'status']:
+            self.assertEqual(root.get(key), str(image_dict[key]))
+
+        link_nodes = root.findall('{0}link'.format(ATOMNS))
+        self.assertEqual(len(link_nodes), 2)
+        for i, link in enumerate(image_dict['links']):
+            for key, value in link.items():
+                self.assertEqual(link_nodes[i].get(key), value)
+
+        metadata_root = root.find('{0}metadata'.format(NS))
+        metadata_elems = metadata_root.findall('{0}meta'.format(NS))
+        self.assertEqual(len(metadata_elems), 1)
+        for i, metadata_elem in enumerate(metadata_elems):
+            (meta_key, meta_value) = image_dict['metadata'].items()[i]
+            self.assertEqual(str(metadata_elem.get('key')), str(meta_key))
+            self.assertEqual(str(metadata_elem.text).strip(), str(meta_value))
+
+        server_root = root.find('{0}server'.format(NS))
+        self.assertEqual(server_root, None)
 
     def test_index(self):
         serializer = images.ImageXMLSerializer()
@@ -1237,6 +1284,10 @@ class ImageXMLSerializationTest(test.TestCase):
                             'href': self.IMAGE_HREF % 1,
                             'rel': 'self',
                         },
+                        {
+                            'href': self.IMAGE_BOOKMARK % 1,
+                            'rel': 'bookmark',
+                        },
                     ],
                 },
                 {
@@ -1247,35 +1298,32 @@ class ImageXMLSerializationTest(test.TestCase):
                             'href': self.IMAGE_HREF % 2,
                             'rel': 'self',
                         },
+                        {
+                            'href': self.IMAGE_BOOKMARK % 2,
+                            'rel': 'bookmark',
+                        },
                     ],
                 },
             ]
         }
 
         output = serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected_server_href = self.SERVER_HREF
-        expected_server_bookmark = self.SERVER_BOOKMARK
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_href_two = self.IMAGE_HREF % 2
-        expected_bookmark_two = self.IMAGE_BOOKMARK % 2
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <images
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom">
-        <image id="1" name="Image1">
-            <atom:link href="%(expected_href)s" rel="self"/>
-        </image>
-        <image id="2" name="Image2">
-            <atom:link href="%(expected_href_two)s" rel="self"/>
-        </image>
-        </images>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'images_index')
+        image_elems = root.findall('{0}image'.format(NS))
+        self.assertEqual(len(image_elems), 2)
+        for i, image_elem in enumerate(image_elems):
+            image_dict = fixture['images'][i]
+
+            for key in ['name', 'id']:
+                self.assertEqual(image_elem.get(key), str(image_dict[key]))
+
+            link_nodes = image_elem.findall('{0}link'.format(ATOMNS))
+            self.assertEqual(len(link_nodes), 2)
+            for i, link in enumerate(image_dict['links']):
+                for key, value in link.items():
+                    self.assertEqual(link_nodes[i].get(key), value)
 
     def test_index_zero_images(self):
         serializer = images.ImageXMLSerializer()
@@ -1285,15 +1333,11 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixtures, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <images
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom" />
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'images_index')
+        image_elems = root.findall('{0}image'.format(NS))
+        self.assertEqual(len(image_elems), 0)
 
     def test_detail(self):
         serializer = images.ImageXMLSerializer()
@@ -1307,7 +1351,7 @@ class ImageXMLSerializationTest(test.TestCase):
                     'updated': self.TIMESTAMP,
                     'status': 'ACTIVE',
                     'server': {
-                        'id': 1,
+                        'id': '1',
                         'links': [
                             {
                                 'href': self.SERVER_HREF,
@@ -1331,7 +1375,7 @@ class ImageXMLSerializationTest(test.TestCase):
                     ],
                 },
                 {
-                    'id': 2,
+                    'id': '2',
                     'name': 'Image2',
                     'created': self.TIMESTAMP,
                     'updated': self.TIMESTAMP,
@@ -1355,46 +1399,22 @@ class ImageXMLSerializationTest(test.TestCase):
         }
 
         output = serializer.serialize(fixture, 'detail')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected_server_href = self.SERVER_HREF
-        expected_server_bookmark = self.SERVER_BOOKMARK
-        expected_href = self.IMAGE_HREF % 1
-        expected_bookmark = self.IMAGE_BOOKMARK % 1
-        expected_href_two = self.IMAGE_HREF % 2
-        expected_bookmark_two = self.IMAGE_BOOKMARK % 2
-        expected_now = self.TIMESTAMP
-        expected = minidom.parseString("""
-        <images
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom">
-        <image id="1"
-                name="Image1"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="ACTIVE">
-            <server id="1">
-                <atom:link rel="self" href="%(expected_server_href)s"/>
-                <atom:link rel="bookmark" href="%(expected_server_bookmark)s"/>
-            </server>
-            <atom:link href="%(expected_href)s" rel="self"/>
-            <atom:link href="%(expected_bookmark)s" rel="bookmark"/>
-        </image>
-        <image id="2"
-                name="Image2"
-                updated="%(expected_now)s"
-                created="%(expected_now)s"
-                status="SAVING"
-                progress="80">
-            <metadata>
-                <meta key="key1">
-                    value1
-                </meta>
-            </metadata>
-            <atom:link href="%(expected_href_two)s" rel="self"/>
-            <atom:link href="%(expected_bookmark_two)s" rel="bookmark"/>
-        </image>
-        </images>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'images')
+        image_elems = root.findall('{0}image'.format(NS))
+        self.assertEqual(len(image_elems), 2)
+        for i, image_elem in enumerate(image_elems):
+            image_dict = fixture['images'][i]
+
+            for key in ['name', 'id', 'updated', 'created', 'status']:
+                self.assertEqual(image_elem.get(key), str(image_dict[key]))
+
+            link_nodes = image_elem.findall('{0}link'.format(ATOMNS))
+            self.assertEqual(len(link_nodes), 2)
+            for i, link in enumerate(image_dict['links']):
+                for key, value in link.items():
+                    self.assertEqual(link_nodes[i].get(key), value)
+
+            metadata_root = image_elem.find('{0}metadata'.format(NS))
+            metadata_elems = metadata_root.findall('{0}meta'.format(NS))
diff --git a/nova/tests/api/openstack/test_limits.py b/nova/tests/api/openstack/test_limits.py
index 801b06230..3db57ee86 100644
--- a/nova/tests/api/openstack/test_limits.py
+++ b/nova/tests/api/openstack/test_limits.py
@@ -19,6 +19,7 @@ Tests dealing with HTTP rate-limiting.
 
 import httplib
 import json
+from lxml import etree
 import StringIO
 import stubout
 import time
@@ -29,6 +30,7 @@ from xml.dom import minidom
 import nova.context
 from nova.api.openstack import limits
 from nova.api.openstack import views
+from nova.api.openstack import xmlutil
 from nova import test
 
 
@@ -39,6 +41,10 @@ TEST_LIMITS = [
     limits.Limit("PUT", "*", "", 10, limits.PER_MINUTE),
     limits.Limit("PUT", "/servers", "^/servers", 5, limits.PER_MINUTE),
 ]
+NS = {
+    'atom': 'http://www.w3.org/2005/Atom',
+    'ns': 'http://docs.openstack.org/compute/api/v1.1'
+}
 
 
 class BaseLimitTestSuite(unittest.TestCase):
@@ -980,9 +986,22 @@ class LimitsXMLSerializationTest(test.TestCase):
     def tearDown(self):
         pass
 
-    def test_index(self):
+    def test_xml_declaration(self):
         serializer = limits.LimitsXMLSerializer()
+
         fixture = {"limits": {
+                   "rate": [],
+                   "absolute": {}}}
+
+        output = serializer.serialize(fixture, 'index')
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
+
+    def test_index(self):
+        serializer = limits.LimitsXMLSerializer()
+        fixture = {
+            "limits": {
                    "rate": [{
                          "uri": "*",
                          "regex": ".*",
@@ -1006,32 +1025,32 @@ class LimitsXMLSerializationTest(test.TestCase):
                                  "maxPersonalitySize": 10240}}}
 
         output = serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-        <limits xmlns="http://docs.openstack.org/compute/api/v1.1">
-            <rates>
-                <rate uri="*" regex=".*">
-                    <limit value="10" verb="POST" remaining="2"
-                        unit="MINUTE"
-                        next-available="2011-12-15T22:42:45Z"/>
-                </rate>
-                <rate uri="*/servers" regex="^/servers">
-                    <limit value="50" verb="POST" remaining="10"
-                        unit="DAY"
-                        next-available="2011-12-15T22:42:45Z"/>
-                </rate>
-            </rates>
-            <absolute>
-                <limit name="maxServerMeta" value="1"/>
-                <limit name="maxPersonality" value="5"/>
-                <limit name="maxImageMeta" value="1"/>
-                <limit name="maxPersonalitySize" value="10240"/>
-            </absolute>
-        </limits>
-        """.replace("  ", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'limits')
+
+        #verify absolute limits
+        absolutes = root.xpath('ns:absolute/ns:limit', namespaces=NS)
+        self.assertEqual(len(absolutes), 4)
+        for limit in absolutes:
+            name = limit.get('name')
+            value = limit.get('value')
+            self.assertEqual(value, str(fixture['limits']['absolute'][name]))
+
+        #verify rate limits
+        rates = root.xpath('ns:rates/ns:rate', namespaces=NS)
+        self.assertEqual(len(rates), 2)
+        for i, rate in enumerate(rates):
+            for key in ['uri', 'regex']:
+                self.assertEqual(rate.get(key),
+                                 str(fixture['limits']['rate'][i][key]))
+            rate_limits = rate.xpath('ns:limit', namespaces=NS)
+            self.assertEqual(len(rate_limits), 1)
+            for j, limit in enumerate(rate_limits):
+                for key in ['verb', 'value', 'remaining', 'unit',
+                            'next-available']:
+                    self.assertEqual(limit.get(key),
+                         str(fixture['limits']['rate'][i]['limit'][j][key]))
 
     def test_index_no_limits(self):
         serializer = limits.LimitsXMLSerializer()
@@ -1041,13 +1060,14 @@ class LimitsXMLSerializationTest(test.TestCase):
                    "absolute": {}}}
 
         output = serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'limits')
 
-        expected = minidom.parseString("""
-        <limits xmlns="http://docs.openstack.org/compute/api/v1.1">
-            <rates />
-            <absolute />
-        </limits>
-        """.replace("  ", ""))
+        #verify absolute limits
+        absolutes = root.xpath('ns:absolute/ns:limit', namespaces=NS)
+        self.assertEqual(len(absolutes), 0)
 
-        self.assertEqual(expected.toxml(), actual.toxml())
+        #verify rate limits
+        rates = root.xpath('ns:rates/ns:rate', namespaces=NS)
+        self.assertEqual(len(rates), 0)
diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py
index f0a1c5ce5..ee7927c64 100644
--- a/nova/tests/api/openstack/test_servers.py
+++ b/nova/tests/api/openstack/test_servers.py
@@ -52,6 +52,10 @@ from nova.tests.api.openstack import fakes
 FAKE_UUID = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
 NS = "{http://docs.openstack.org/compute/api/v1.1}"
 ATOMNS = "{http://www.w3.org/2005/Atom}"
+XPATH_NS = {
+    'atom': 'http://www.w3.org/2005/Atom',
+    'ns': 'http://docs.openstack.org/compute/api/v1.1'
+}
 
 
 def fake_gen_uuid():
@@ -412,12 +416,7 @@ class ServersTest(test.TestCase):
 
     def test_get_server_by_id_v1_1_xml(self):
         image_bookmark = "http://localhost/fake/images/10"
-        flavor_ref = "http://localhost/v1.1/fake/flavors/1"
-        flavor_id = "1"
         flavor_bookmark = "http://localhost/fake/flavors/1"
-        server_href = "http://localhost/v1.1/fake/servers/1"
-        server_bookmark = "http://localhost/fake/servers/1"
-
         public_ip = '192.168.0.3'
         private_ip = '172.19.0.1'
         interfaces = [
@@ -441,50 +440,88 @@ class ServersTest(test.TestCase):
         req = webob.Request.blank('/v1.1/fake/servers/1')
         req.headers['Accept'] = 'application/xml'
         res = req.get_response(fakes.wsgi_app())
-        actual = minidom.parseString(res.body.replace('  ', ''))
-        expected_uuid = FAKE_UUID
-        expected_updated = "2010-11-11T11:00:00Z"
-        expected_created = "2010-10-10T12:00:00Z"
-        expected = minidom.parseString("""
-        <server id="1"
-                uuid="%(expected_uuid)s"
-                userId="fake"
-                tenantId="fake"
-                xmlns="http://docs.openstack.org/compute/api/v1.1"
-                xmlns:atom="http://www.w3.org/2005/Atom"
-                name="server1"
-                updated="%(expected_updated)s"
-                created="%(expected_created)s"
-                hostId=""
-                status="BUILD"
-                accessIPv4=""
-                accessIPv6=""
-                progress="0">
-            <atom:link href="%(server_href)s" rel="self"/>
-            <atom:link href="%(server_bookmark)s" rel="bookmark"/>
-            <image id="10">
-                <atom:link rel="bookmark" href="%(image_bookmark)s"/>
-            </image>
-            <flavor id="1">
-                <atom:link rel="bookmark" href="%(flavor_bookmark)s"/>
-            </flavor>
-            <metadata>
-                <meta key="seq">
-                    1
-                </meta>
-            </metadata>
-            <addresses>
-                <network id="public">
-                    <ip version="4" addr="%(public_ip)s"/>
-                </network>
-                <network id="private">
-                    <ip version="4" addr="%(private_ip)s"/>
-                </network>
-            </addresses>
-        </server>
-        """.replace("  ", "") % (locals()))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        output = res.body
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'server')
+
+        expected = {
+            'id': 1,
+            'uuid': FAKE_UUID,
+            'user_id': 'fake',
+            'tenant_id': 'fake',
+            'updated': '2010-11-11T11:00:00Z',
+            'created': '2010-10-10T12:00:00Z',
+            'progress': 0,
+            'name': 'server1',
+            'status': 'BUILD',
+            'accessIPv4': '',
+            'accessIPv6': '',
+            'hostId': '',
+            'key_name': '',
+            'image': {
+                'id': '10',
+                'links': [{'rel': 'bookmark', 'href': image_bookmark}],
+            },
+            'flavor': {
+                'id': '1',
+              'links': [{'rel': 'bookmark', 'href': flavor_bookmark}],
+            },
+            'addresses': {
+                'public': [{'version': 4, 'addr': public_ip}],
+                'private': [{'version': 4, 'addr': private_ip}],
+            },
+            'metadata': {'seq': '1'},
+            'config_drive': None,
+            'links': [
+                {
+                    'rel': 'self',
+                    'href': 'http://localhost/v1.1/fake/servers/1',
+                },
+                {
+                    'rel': 'bookmark',
+                    'href': 'http://localhost/fake/servers/1',
+                },
+            ],
+        }
+
+        self.assertTrue(root.xpath('/ns:server', namespaces=XPATH_NS))
+        for key in ['id', 'uuid', 'created', 'progress', 'name', 'status',
+                    'accessIPv4', 'accessIPv6', 'hostId']:
+            self.assertEqual(root.get(key), str(expected[key]))
+        self.assertEqual(root.get('userId'), str(expected['user_id']))
+        self.assertEqual(root.get('tenantId'), str(expected['tenant_id']))
+
+        (image,) = root.xpath('ns:image', namespaces=XPATH_NS)
+        self.assertEqual(image.get('id'), str(expected['image']['id']))
+
+        links = root.xpath('ns:image/atom:link', namespaces=XPATH_NS)
+        self.assertTrue(common.compare_links(links,
+                                             expected['image']['links']))
+
+        (flavor,) = root.xpath('ns:flavor', namespaces=XPATH_NS)
+        self.assertEqual(flavor.get('id'), str(expected['flavor']['id']))
+
+        (meta,) = root.xpath('ns:metadata/ns:meta', namespaces=XPATH_NS)
+        self.assertEqual(meta.get('key'), 'seq')
+        self.assertEqual(meta.text, '1')
+
+        (pub_network, priv_network) = root.xpath('ns:addresses/ns:network',
+                                                 namespaces=XPATH_NS)
+        self.assertEqual(pub_network.get('id'), 'public')
+        (pub_ip,) = pub_network.xpath('ns:ip', namespaces=XPATH_NS)
+        (priv_ip,) = priv_network.xpath('ns:ip', namespaces=XPATH_NS)
+        self.assertEqual(pub_ip.get('version'),
+                         str(expected['addresses']['public'][0]['version']))
+        self.assertEqual(pub_ip.get('addr'),
+                         str(expected['addresses']['public'][0]['addr']))
+        self.assertEqual(priv_ip.get('version'),
+                         str(expected['addresses']['private'][0]['version']))
+        self.assertEqual(priv_ip.get('addr'),
+                         str(expected['addresses']['private'][0]['addr']))
+
+        links = root.xpath('atom:link', namespaces=XPATH_NS)
+        self.assertTrue(common.compare_links(links, expected['links']))
 
     def test_get_server_with_active_status_by_id_v1_1(self):
         image_bookmark = "http://localhost/fake/images/10"
@@ -3285,7 +3322,7 @@ class TestAddressesXMLSerialization(test.TestCase):
 
     serializer = nova.api.openstack.ips.IPXMLSerializer()
 
-    def test_show(self):
+    def test_xml_declaration(self):
         fixture = {
             'network_2': [
                 {'addr': '192.168.0.1', 'version': 4},
@@ -3293,17 +3330,29 @@ class TestAddressesXMLSerialization(test.TestCase):
             ],
         }
         output = self.serializer.serialize(fixture, 'show')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <network xmlns="http://docs.openstack.org/compute/api/v1.1"
-                     id="network_2">
-                <ip version="4" addr="192.168.0.1"/>
-                <ip version="6" addr="fe80::beef"/>
-            </network>
-        """.replace("  ", ""))
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
 
-        self.assertEqual(expected.toxml(), actual.toxml())
+    def test_show(self):
+        fixture = {
+            'network_2': [
+                {'addr': '192.168.0.1', 'version': 4},
+                {'addr': 'fe80::beef', 'version': 6},
+            ],
+        }
+        output = self.serializer.serialize(fixture, 'show')
+        print output
+        root = etree.XML(output)
+        network = fixture['network_2']
+        self.assertEqual(str(root.get('id')), 'network_2')
+        ip_elems = root.findall('{0}ip'.format(NS))
+        for z, ip_elem in enumerate(ip_elems):
+            ip = network[z]
+            self.assertEqual(str(ip_elem.get('version')),
+                             str(ip['version']))
+            self.assertEqual(str(ip_elem.get('addr')),
+                             str(ip['addr']))
 
     def test_index(self):
         fixture = {
@@ -3319,22 +3368,22 @@ class TestAddressesXMLSerialization(test.TestCase):
             },
         }
         output = self.serializer.serialize(fixture, 'index')
-        actual = minidom.parseString(output.replace("  ", ""))
-
-        expected = minidom.parseString("""
-            <addresses xmlns="http://docs.openstack.org/compute/api/v1.1">
-                <network id="network_2">
-                    <ip version="4" addr="192.168.0.1"/>
-                    <ip version="6" addr="fe80::beef"/>
-                </network>
-                <network id="network_1">
-                    <ip version="4" addr="192.168.0.3"/>
-                    <ip version="4" addr="192.168.0.5"/>
-                </network>
-            </addresses>
-        """.replace("  ", ""))
-
-        self.assertEqual(expected.toxml(), actual.toxml())
+        print output
+        root = etree.XML(output)
+        xmlutil.validate_schema(root, 'addresses')
+        addresses_dict = fixture['addresses']
+        network_elems = root.findall('{0}network'.format(NS))
+        self.assertEqual(len(network_elems), 2)
+        for i, network_elem in enumerate(network_elems):
+            network = addresses_dict.items()[i]
+            self.assertEqual(str(network_elem.get('id')), str(network[0]))
+            ip_elems = network_elem.findall('{0}ip'.format(NS))
+            for z, ip_elem in enumerate(ip_elems):
+                ip = network[1][z]
+                self.assertEqual(str(ip_elem.get('version')),
+                                 str(ip['version']))
+                self.assertEqual(str(ip_elem.get('addr')),
+                                 str(ip['addr']))
 
 
 class TestServerInstanceCreation(test.TestCase):
@@ -4059,6 +4108,85 @@ class ServerXMLSerializationTest(test.TestCase):
         self.maxDiff = None
         test.TestCase.setUp(self)
 
+    def test_xml_declaration(self):
+        serializer = servers.ServerXMLSerializer()
+
+        fixture = {
+            "server": {
+                'id': 1,
+                'uuid': FAKE_UUID,
+                'user_id': 'fake_user_id',
+                'tenant_id': 'fake_tenant_id',
+                'created': self.TIMESTAMP,
+                'updated': self.TIMESTAMP,
+                "progress": 0,
+                "name": "test_server",
+                "status": "BUILD",
+                "hostId": 'e4d909c290d0fb1ca068ffaddf22cbd0',
+                "accessIPv4": "1.2.3.4",
+                "accessIPv6": "fead::1234",
+                "image": {
+                    "id": "5",
+                    "links": [
+                        {
+                            "rel": "bookmark",
+                            "href": self.IMAGE_BOOKMARK,
+                        },
+                    ],
+                },
+                "flavor": {
+                    "id": "1",
+                    "links": [
+                        {
+                            "rel": "bookmark",
+                            "href": self.FLAVOR_BOOKMARK,
+                        },
+                    ],
+                },
+                "addresses": {
+                    "network_one": [
+                        {
+                            "version": 4,
+                            "addr": "67.23.10.138",
+                        },
+                        {
+                            "version": 6,
+                            "addr": "::babe:67.23.10.138",
+                        },
+                    ],
+                    "network_two": [
+                        {
+                            "version": 4,
+                            "addr": "67.23.10.139",
+                        },
+                        {
+                            "version": 6,
+                            "addr": "::babe:67.23.10.139",
+                        },
+                    ],
+                },
+                "metadata": {
+                    "Open": "Stack",
+                    "Number": "1",
+                },
+                'links': [
+                    {
+                        'href': self.SERVER_HREF,
+                        'rel': 'self',
+                    },
+                    {
+                        'href': self.SERVER_BOOKMARK,
+                        'rel': 'bookmark',
+                    },
+                ],
+            }
+        }
+
+        output = serializer.serialize(fixture, 'show')
+        print output
+        has_dec = output.startswith("<?xml version='1.0' encoding='UTF-8'?>")
+        self.assertTrue(has_dec)
+
     def test_show(self):
         serializer = servers.ServerXMLSerializer()
 
diff --git a/nova/tests/api/openstack/test_versions.py b/nova/tests/api/openstack/test_versions.py
index 1269f13c9..f69dbd316 100644
--- a/nova/tests/api/openstack/test_versions.py
+++ b/nova/tests/api/openstack/test_versions.py
@@ -15,19 +15,24 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import feedparser
 import json
 import stubout
 import webob
-import xml.etree.ElementTree
-
+from lxml import etree
 
 from nova import context
 from nova import test
-from nova.tests.api.openstack import fakes
 from nova.api.openstack import versions
 from nova.api.openstack import views
 from nova.api.openstack import wsgi
+from nova.tests.api.openstack import common
+from nova.tests.api.openstack import fakes
 
+NS = {
+    'atom': 'http://www.w3.org/2005/Atom',
+    'ns': 'http://docs.openstack.org/compute/api/v1.1'
+}
 VERSIONS = {
     "v1.0": {
         "id": "v1.0",
@@ -113,23 +118,23 @@ class VersionsTest(test.TestCase):
         versions = json.loads(res.body)["versions"]
         expected = [
             {
-                "id": "v1.1",
-                "status": "CURRENT",
+                "id": "v1.0",
+                "status": "DEPRECATED",
                 "updated": "2011-01-21T11:33:21Z",
                 "links": [
                     {
                         "rel": "self",
-                        "href": "http://localhost/v1.1/",
+                        "href": "http://localhost/v1.0/",
                     }],
             },
             {
-                "id": "v1.0",
-                "status": "DEPRECATED",
+                "id": "v1.1",
+                "status": "CURRENT",
                 "updated": "2011-01-21T11:33:21Z",
                 "links": [
                     {
                         "rel": "self",
-                        "href": "http://localhost/v1.0/",
+                        "href": "http://localhost/v1.1/",
                     }],
             },
         ]
@@ -233,48 +238,20 @@ class VersionsTest(test.TestCase):
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(res.status_int, 200)
         self.assertEqual(res.content_type, "application/xml")
-        root = xml.etree.ElementTree.XML(res.body)
-        self.assertEqual(root.tag.split('}')[1], "version")
-        self.assertEqual(root.tag.split('}')[0].strip('{'), wsgi.XMLNS_V11)
 
-        children = list(root)
-        media_types = children[0]
-        media_type_nodes = list(media_types)
-        links = (children[1], children[2], children[3])
-
-        self.assertEqual(media_types.tag.split('}')[1], 'media-types')
-        for media_node in media_type_nodes:
-            self.assertEqual(media_node.tag.split('}')[1], 'media-type')
-
-        expected = """
-        <version id="v1.0" status="DEPRECATED"
-             updated="2011-01-21T11:33:21Z"
-             xmlns="%s"
-             xmlns:atom="http://www.w3.org/2005/Atom">
-
-            <media-types>
-                <media-type base="application/xml"
-                     type="application/vnd.openstack.compute-v1.0+xml"/>
-                <media-type base="application/json"
-                     type="application/vnd.openstack.compute-v1.0+json"/>
-            </media-types>
-
-            <atom:link href="http://localhost/v1.0/"
-                 rel="self"/>
-
-            <atom:link href="http://docs.rackspacecloud.com/servers/
-                api/v1.0/cs-devguide-20110125.pdf"
-                 rel="describedby"
-                 type="application/pdf"/>
-
-            <atom:link href="http://docs.rackspacecloud.com/servers/
-                api/v1.0/application.wadl"
-                 rel="describedby"
-                 type="application/vnd.sun.wadl+xml"/>
-        </version>""".replace("  ", "").replace("\n", "") % wsgi.XMLNS_V11
-
-        actual = res.body.replace("  ", "").replace("\n", "")
-        self.assertEqual(expected, actual)
+        version = etree.XML(res.body)
+        expected = VERSIONS['v1.0']
+        self.assertTrue(version.xpath('/ns:version', namespaces=NS))
+        media_types = version.xpath('ns:media-types/ns:media-type',
+                                    namespaces=NS)
+        self.assertTrue(common.compare_media_types(media_types,
+                                             expected['media-types']))
+        for key in ['id', 'status', 'updated']:
+            self.assertEqual(version.get(key), expected[key])
+        links = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(links,
+            [{'rel': 'self', 'href': 'http://localhost/v1.0/'}]
+            + expected['links']))
 
     def test_get_version_1_1_detail_xml(self):
         req = webob.Request.blank('/v1.1/')
@@ -282,35 +259,20 @@ class VersionsTest(test.TestCase):
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(res.status_int, 200)
         self.assertEqual(res.content_type, "application/xml")
-        expected = """
-        <version id="v1.1" status="CURRENT"
-             updated="2011-01-21T11:33:21Z"
-             xmlns="%s"
-             xmlns:atom="http://www.w3.org/2005/Atom">
-
-            <media-types>
-                <media-type base="application/xml"
-                     type="application/vnd.openstack.compute-v1.1+xml"/>
-                <media-type base="application/json"
-                     type="application/vnd.openstack.compute-v1.1+json"/>
-            </media-types>
-
-            <atom:link href="http://localhost/v1.1/"
-                 rel="self"/>
-
-            <atom:link href="http://docs.rackspacecloud.com/servers/
-                api/v1.1/cs-devguide-20110125.pdf"
-                 rel="describedby"
-                 type="application/pdf"/>
-
-            <atom:link href="http://docs.rackspacecloud.com/servers/
-                api/v1.1/application.wadl"
-                 rel="describedby"
-                 type="application/vnd.sun.wadl+xml"/>
-        </version>""".replace("  ", "").replace("\n", "") % wsgi.XMLNS_V11
-
-        actual = res.body.replace("  ", "").replace("\n", "")
-        self.assertEqual(expected, actual)
+
+        version = etree.XML(res.body)
+        expected = VERSIONS['v1.1']
+        self.assertTrue(version.xpath('/ns:version', namespaces=NS))
+        media_types = version.xpath('ns:media-types/ns:media-type',
+                                    namespaces=NS)
+        self.assertTrue(common.compare_media_types(media_types,
+                                             expected['media-types']))
+        for key in ['id', 'status', 'updated']:
+            self.assertEqual(version.get(key), expected[key])
+        links = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(links,
+            [{'rel': 'self', 'href': 'http://localhost/v1.1/'}]
+            + expected['links']))
 
     def test_get_version_list_xml(self):
         req = webob.Request.blank('/')
@@ -319,21 +281,19 @@ class VersionsTest(test.TestCase):
         self.assertEqual(res.status_int, 200)
         self.assertEqual(res.content_type, "application/xml")
 
-        expected = """
-        <versions xmlns="%s" xmlns:atom="%s">
-            <version id="v1.1" status="CURRENT" updated="2011-01-21T11:33:21Z">
-                <atom:link href="http://localhost/v1.1/" rel="self"/>
-            </version>
-            <version id="v1.0" status="DEPRECATED"
-                 updated="2011-01-21T11:33:21Z">
-                <atom:link href="http://localhost/v1.0/" rel="self"/>
-            </version>
-        </versions>""".replace("  ", "").replace("\n", "") % (wsgi.XMLNS_V11,
-                                                              wsgi.XMLNS_ATOM)
+        root = etree.XML(res.body)
+        self.assertTrue(root.xpath('/ns:versions', namespaces=NS))
+        versions = root.xpath('ns:version', namespaces=NS)
+        self.assertEqual(len(versions), 2)
 
-        actual = res.body.replace("  ", "").replace("\n", "")
-
-        self.assertEqual(expected, actual)
+        for i, v in enumerate(['v1.0', 'v1.1']):
+            version = versions[i]
+            expected = VERSIONS[v]
+            for key in ['id', 'status', 'updated']:
+                self.assertEqual(version.get(key), expected[key])
+            (link,) = version.xpath('atom:link', namespaces=NS)
+            self.assertTrue(common.compare_links(link,
+                [{'rel': 'self', 'href': 'http://localhost/%s/' % v}]))
 
     def test_get_version_1_0_detail_atom(self):
         req = webob.Request.blank('/v1.0/')
@@ -341,36 +301,38 @@ class VersionsTest(test.TestCase):
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(res.status_int, 200)
         self.assertEqual("application/atom+xml", res.content_type)
-        expected = """
-        <feed xmlns="http://www.w3.org/2005/Atom">
-            <title type="text">About This Version</title>
-            <updated>2011-01-21T11:33:21Z</updated>
-            <id>http://localhost/v1.0/</id>
-            <author>
-                <name>Rackspace</name>
-                <uri>http://www.rackspace.com/</uri>
-            </author>
-            <link href="http://localhost/v1.0/" rel="self"/>
-            <entry>
-                <id>http://localhost/v1.0/</id>
-                <title type="text">Version v1.0</title>
-                <updated>2011-01-21T11:33:21Z</updated>
-                <link href="http://localhost/v1.0/"
-                     rel="self"/>
-                <link href="http://docs.rackspacecloud.com/servers/
-                    api/v1.0/cs-devguide-20110125.pdf"
-                     rel="describedby" type="application/pdf"/>
-                <link href="http://docs.rackspacecloud.com/servers/
-                    api/v1.0/application.wadl"
-                     rel="describedby" type="application/vnd.sun.wadl+xml"/>
-                <content type="text">
-                    Version v1.0 DEPRECATED (2011-01-21T11:33:21Z)
-                </content>
-            </entry>
-        </feed>""".replace("  ", "").replace("\n", "")
-
-        actual = res.body.replace("  ", "").replace("\n", "")
-        self.assertEqual(expected, actual)
+
+        f = feedparser.parse(res.body)
+        self.assertEqual(f.feed.title, 'About This Version')
+        self.assertEqual(f.feed.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(f.feed.id, 'http://localhost/v1.0/')
+        self.assertEqual(f.feed.author, 'Rackspace')
+        self.assertEqual(f.feed.author_detail.href,
+                         'http://www.rackspace.com/')
+        self.assertEqual(f.feed.links[0]['href'], 'http://localhost/v1.0/')
+        self.assertEqual(f.feed.links[0]['rel'], 'self')
+
+        self.assertEqual(len(f.entries), 1)
+        entry = f.entries[0]
+        self.assertEqual(entry.id, 'http://localhost/v1.0/')
+        self.assertEqual(entry.title, 'Version v1.0')
+        self.assertEqual(entry.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+            'Version v1.0 DEPRECATED (2011-01-21T11:33:21Z)')
+        self.assertEqual(len(entry.links), 3)
+        self.assertEqual(entry.links[0]['href'], 'http://localhost/v1.0/')
+        self.assertEqual(entry.links[0]['rel'], 'self')
+        self.assertEqual(entry.links[1], {
+            'href': 'http://docs.rackspacecloud.com/servers/api/v1.0/'\
+                    'cs-devguide-20110125.pdf',
+            'type': 'application/pdf',
+            'rel': 'describedby'})
+        self.assertEqual(entry.links[2], {
+            'href': 'http://docs.rackspacecloud.com/servers/api/v1.0/'\
+                    'application.wadl',
+            'type': 'application/vnd.sun.wadl+xml',
+            'rel': 'describedby'})
 
     def test_get_version_1_1_detail_atom(self):
         req = webob.Request.blank('/v1.1/')
@@ -378,36 +340,38 @@ class VersionsTest(test.TestCase):
         res = req.get_response(fakes.wsgi_app())
         self.assertEqual(res.status_int, 200)
         self.assertEqual("application/atom+xml", res.content_type)
-        expected = """
-        <feed xmlns="http://www.w3.org/2005/Atom">
-            <title type="text">About This Version</title>
-            <updated>2011-01-21T11:33:21Z</updated>
-            <id>http://localhost/v1.1/</id>
-            <author>
-                <name>Rackspace</name>
-                <uri>http://www.rackspace.com/</uri>
-            </author>
-            <link href="http://localhost/v1.1/" rel="self"/>
-            <entry>
-                <id>http://localhost/v1.1/</id>
-                <title type="text">Version v1.1</title>
-                <updated>2011-01-21T11:33:21Z</updated>
-                <link href="http://localhost/v1.1/"
-                     rel="self"/>
-                <link href="http://docs.rackspacecloud.com/servers/
-                    api/v1.1/cs-devguide-20110125.pdf"
-                     rel="describedby" type="application/pdf"/>
-                <link href="http://docs.rackspacecloud.com/servers/
-                    api/v1.1/application.wadl"
-                     rel="describedby" type="application/vnd.sun.wadl+xml"/>
-                <content type="text">
-                    Version v1.1 CURRENT (2011-01-21T11:33:21Z)
-                </content>
-            </entry>
-        </feed>""".replace("  ", "").replace("\n", "")
-
-        actual = res.body.replace("  ", "").replace("\n", "")
-        self.assertEqual(expected, actual)
+
+        f = feedparser.parse(res.body)
+        self.assertEqual(f.feed.title, 'About This Version')
+        self.assertEqual(f.feed.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(f.feed.id, 'http://localhost/v1.1/')
+        self.assertEqual(f.feed.author, 'Rackspace')
+        self.assertEqual(f.feed.author_detail.href,
+                         'http://www.rackspace.com/')
+        self.assertEqual(f.feed.links[0]['href'], 'http://localhost/v1.1/')
+        self.assertEqual(f.feed.links[0]['rel'], 'self')
+
+        self.assertEqual(len(f.entries), 1)
+        entry = f.entries[0]
+        self.assertEqual(entry.id, 'http://localhost/v1.1/')
+        self.assertEqual(entry.title, 'Version v1.1')
+        self.assertEqual(entry.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+            'Version v1.1 CURRENT (2011-01-21T11:33:21Z)')
+        self.assertEqual(len(entry.links), 3)
+        self.assertEqual(entry.links[0]['href'], 'http://localhost/v1.1/')
+        self.assertEqual(entry.links[0]['rel'], 'self')
+        self.assertEqual(entry.links[1], {
+            'href': 'http://docs.rackspacecloud.com/servers/api/v1.1/'\
+                    'cs-devguide-20110125.pdf',
+            'type': 'application/pdf',
+            'rel': 'describedby'})
+        self.assertEqual(entry.links[2], {
+            'href': 'http://docs.rackspacecloud.com/servers/api/v1.1/'\
+                    'application.wadl',
+            'type': 'application/vnd.sun.wadl+xml',
+            'rel': 'describedby'})
 
     def test_get_version_list_atom(self):
         req = webob.Request.blank('/')
@@ -416,40 +380,37 @@ class VersionsTest(test.TestCase):
         self.assertEqual(res.status_int, 200)
         self.assertEqual(res.content_type, "application/atom+xml")
 
-        expected = """
-        <feed xmlns="http://www.w3.org/2005/Atom">
-            <title type="text">Available API Versions</title>
-            <updated>2011-01-21T11:33:21Z</updated>
-            <id>http://localhost/</id>
-            <author>
-                <name>Rackspace</name>
-                <uri>http://www.rackspace.com/</uri>
-            </author>
-            <link href="http://localhost/" rel="self"/>
-            <entry>
-                <id>http://localhost/v1.1/</id>
-                <title type="text">Version v1.1</title>
-                <updated>2011-01-21T11:33:21Z</updated>
-                <link href="http://localhost/v1.1/" rel="self"/>
-                <content type="text">
-                    Version v1.1 CURRENT (2011-01-21T11:33:21Z)
-                </content>
-            </entry>
-            <entry>
-                <id>http://localhost/v1.0/</id>
-                <title type="text">Version v1.0</title>
-                <updated>2011-01-21T11:33:21Z</updated>
-                <link href="http://localhost/v1.0/" rel="self"/>
-                <content type="text">
-                    Version v1.0 DEPRECATED (2011-01-21T11:33:21Z)
-                </content>
-            </entry>
-        </feed>
-        """.replace("  ", "").replace("\n", "")
-
-        actual = res.body.replace("  ", "").replace("\n", "")
-
-        self.assertEqual(expected, actual)
+        f = feedparser.parse(res.body)
+        self.assertEqual(f.feed.title, 'Available API Versions')
+        self.assertEqual(f.feed.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(f.feed.id, 'http://localhost/')
+        self.assertEqual(f.feed.author, 'Rackspace')
+        self.assertEqual(f.feed.author_detail.href,
+                         'http://www.rackspace.com/')
+        self.assertEqual(f.feed.links[0]['href'], 'http://localhost/')
+        self.assertEqual(f.feed.links[0]['rel'], 'self')
+
+        self.assertEqual(len(f.entries), 2)
+        entry = f.entries[0]
+        self.assertEqual(entry.id, 'http://localhost/v1.0/')
+        self.assertEqual(entry.title, 'Version v1.0')
+        self.assertEqual(entry.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+            'Version v1.0 DEPRECATED (2011-01-21T11:33:21Z)')
+        self.assertEqual(len(entry.links), 1)
+        self.assertEqual(entry.links[0]['href'], 'http://localhost/v1.0/')
+        self.assertEqual(entry.links[0]['rel'], 'self')
+        entry = f.entries[1]
+        self.assertEqual(entry.id, 'http://localhost/v1.1/')
+        self.assertEqual(entry.title, 'Version v1.1')
+        self.assertEqual(entry.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+            'Version v1.1 CURRENT (2011-01-21T11:33:21Z)')
+        self.assertEqual(len(entry.links), 1)
+        self.assertEqual(entry.links[0]['href'], 'http://localhost/v1.1/')
+        self.assertEqual(entry.links[0]['rel'], 'self')
 
     def test_multi_choice_image(self):
         req = webob.Request.blank('/images/1')
@@ -511,28 +472,32 @@ class VersionsTest(test.TestCase):
         self.assertEqual(res.status_int, 300)
         self.assertEqual(res.content_type, "application/xml")
 
-        expected = """
-        <choices xmlns="%s" xmlns:atom="%s">
-          <version id="v1.1" status="CURRENT">
-            <media-types>
-              <media-type base="application/xml"
-                 type="application/vnd.openstack.compute-v1.1+xml"/>
-              <media-type base="application/json"
-                 type="application/vnd.openstack.compute-v1.1+json"/>
-            </media-types>
-            <atom:link href="http://localhost/v1.1/images/1" rel="self"/>
-          </version>
-          <version id="v1.0" status="DEPRECATED">
-            <media-types>
-              <media-type base="application/xml"
-                 type="application/vnd.openstack.compute-v1.0+xml"/>
-              <media-type base="application/json"
-                 type="application/vnd.openstack.compute-v1.0+json"/>
-            </media-types>
-            <atom:link href="http://localhost/v1.0/images/1" rel="self"/>
-          </version>
-        </choices>""".replace("  ", "").replace("\n", "") % (wsgi.XMLNS_V11,
-                                                            wsgi.XMLNS_ATOM)
+        root = etree.XML(res.body)
+        self.assertTrue(root.xpath('/ns:choices', namespaces=NS))
+        versions = root.xpath('ns:version', namespaces=NS)
+        self.assertEqual(len(versions), 2)
+
+        version = versions[0]
+        self.assertEqual(version.get('id'), 'v1.1')
+        self.assertEqual(version.get('status'), 'CURRENT')
+        media_types = version.xpath('ns:media-types/ns:media-type',
+                                    namespaces=NS)
+        self.assertTrue(common.compare_media_types(media_types,
+                                             VERSIONS['v1.1']['media-types']))
+        links = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(links,
+            [{'rel': 'self', 'href': 'http://localhost/v1.1/images/1'}]))
+
+        version = versions[1]
+        self.assertEqual(version.get('id'), 'v1.0')
+        self.assertEqual(version.get('status'), 'DEPRECATED')
+        media_types = version.xpath('ns:media-types/ns:media-type',
+                                    namespaces=NS)
+        self.assertTrue(common.compare_media_types(media_types,
+                                             VERSIONS['v1.0']['media-types']))
+        links = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(links,
+            [{'rel': 'self', 'href': 'http://localhost/v1.0/images/1'}]))
 
     def test_multi_choice_server_atom(self):
         """
@@ -665,22 +630,20 @@ class VersionsSerializerTests(test.TestCase):
         serializer = versions.VersionsXMLSerializer()
         response = serializer.index(versions_data)
 
-        root = xml.etree.ElementTree.XML(response)
-        self.assertEqual(root.tag.split('}')[1], "versions")
-        self.assertEqual(root.tag.split('}')[0].strip('{'), wsgi.XMLNS_V11)
-        version = list(root)[0]
-        self.assertEqual(version.tag.split('}')[1], "version")
-        self.assertEqual(version.get('id'),
-                         versions_data['versions'][0]['id'])
+        root = etree.XML(response)
+        self.assertTrue(root.xpath('/ns:versions', namespaces=NS))
+        version_elems = root.xpath('ns:version', namespaces=NS)
+        self.assertEqual(len(version_elems), 1)
+        version = version_elems[0]
+        self.assertEqual(version.get('id'), versions_data['versions'][0]['id'])
         self.assertEqual(version.get('status'),
                          versions_data['versions'][0]['status'])
 
-        link = list(version)[0]
-
-        self.assertEqual(link.tag.split('}')[1], "link")
-        self.assertEqual(link.tag.split('}')[0].strip('{'), wsgi.XMLNS_ATOM)
-        for key, val in versions_data['versions'][0]['links'][0].items():
-            self.assertEqual(link.get(key), val)
+        (link,) = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(link, [{
+            'rel': 'self',
+            'href': 'http://test/2.7.1',
+            'type': 'application/atom+xml'}]))
 
     def test_versions_multi_xml_serializer(self):
         versions_data = {
@@ -703,11 +666,9 @@ class VersionsSerializerTests(test.TestCase):
         serializer = versions.VersionsXMLSerializer()
         response = serializer.multi(versions_data)
 
-        root = xml.etree.ElementTree.XML(response)
-        self.assertEqual(root.tag.split('}')[1], "choices")
-        self.assertEqual(root.tag.split('}')[0].strip('{'), wsgi.XMLNS_V11)
-        version = list(root)[0]
-        self.assertEqual(version.tag.split('}')[1], "version")
+        root = etree.XML(response)
+        self.assertTrue(root.xpath('/ns:choices', namespaces=NS))
+        (version,) = root.xpath('ns:version', namespaces=NS)
         self.assertEqual(version.get('id'), versions_data['choices'][0]['id'])
         self.assertEqual(version.get('status'),
                          versions_data['choices'][0]['status'])
@@ -716,19 +677,14 @@ class VersionsSerializerTests(test.TestCase):
         media_type_nodes = list(media_types)
         self.assertEqual(media_types.tag.split('}')[1], "media-types")
 
-        set_types = versions_data['choices'][0]['media-types']
-        for i, type in enumerate(set_types):
-            node = media_type_nodes[i]
-            self.assertEqual(node.tag.split('}')[1], "media-type")
-            for key, val in set_types[i].items():
-                self.assertEqual(node.get(key), val)
-
-        link = list(version)[1]
+        media_types = version.xpath('ns:media-types/ns:media-type',
+                                    namespaces=NS)
+        self.assertTrue(common.compare_media_types(media_types,
+            versions_data['choices'][0]['media-types']))
 
-        self.assertEqual(link.tag.split('}')[1], "link")
-        self.assertEqual(link.tag.split('}')[0].strip('{'), wsgi.XMLNS_ATOM)
-        for key, val in versions_data['choices'][0]['links'][0].items():
-            self.assertEqual(link.get(key), val)
+        (link,) = version.xpath('atom:link', namespaces=NS)
+        self.assertTrue(common.compare_links(link,
+                                       versions_data['choices'][0]['links']))
 
     def test_version_detail_xml_serializer(self):
         version_data = {
@@ -770,7 +726,7 @@ class VersionsSerializerTests(test.TestCase):
         serializer = versions.VersionsXMLSerializer()
         response = serializer.show(version_data)
 
-        root = xml.etree.ElementTree.XML(response)
+        root = etree.XML(response)
         self.assertEqual(root.tag.split('}')[1], "version")
         self.assertEqual(root.tag.split('}')[0].strip('{'), wsgi.XMLNS_V11)
 
@@ -811,59 +767,28 @@ class VersionsSerializerTests(test.TestCase):
 
         serializer = versions.VersionsAtomSerializer()
         response = serializer.index(versions_data)
-
-        root = xml.etree.ElementTree.XML(response)
-        self.assertEqual(root.tag.split('}')[1], "feed")
-        self.assertEqual(root.tag.split('}')[0].strip('{'),
-                         "http://www.w3.org/2005/Atom")
-
-        children = list(root)
-        title = children[0]
-        updated = children[1]
-        id = children[2]
-        author = children[3]
-        link = children[4]
-        entry = children[5]
-
-        self.assertEqual(title.tag.split('}')[1], 'title')
-        self.assertEqual(title.text, 'Available API Versions')
-        self.assertEqual(updated.tag.split('}')[1], 'updated')
-        self.assertEqual(updated.text, '2011-07-20T11:40:00Z')
-        self.assertEqual(id.tag.split('}')[1], 'id')
-        self.assertEqual(id.text, 'http://test/')
-
-        self.assertEqual(author.tag.split('}')[1], 'author')
-        author_name = list(author)[0]
-        author_uri = list(author)[1]
-        self.assertEqual(author_name.tag.split('}')[1], 'name')
-        self.assertEqual(author_name.text, 'Rackspace')
-        self.assertEqual(author_uri.tag.split('}')[1], 'uri')
-        self.assertEqual(author_uri.text, 'http://www.rackspace.com/')
-
-        self.assertEqual(link.get('href'), 'http://test/')
-        self.assertEqual(link.get('rel'), 'self')
-
-        self.assertEqual(entry.tag.split('}')[1], 'entry')
-        entry_children = list(entry)
-        entry_id = entry_children[0]
-        entry_title = entry_children[1]
-        entry_updated = entry_children[2]
-        entry_link = entry_children[3]
-        entry_content = entry_children[4]
-        self.assertEqual(entry_id.tag.split('}')[1], "id")
-        self.assertEqual(entry_id.text, "http://test/2.9.8")
-        self.assertEqual(entry_title.tag.split('}')[1], "title")
-        self.assertEqual(entry_title.get('type'), "text")
-        self.assertEqual(entry_title.text, "Version 2.9.8")
-        self.assertEqual(entry_updated.tag.split('}')[1], "updated")
-        self.assertEqual(entry_updated.text, "2011-07-20T11:40:00Z")
-        self.assertEqual(entry_link.tag.split('}')[1], "link")
-        self.assertEqual(entry_link.get('href'), "http://test/2.9.8")
-        self.assertEqual(entry_link.get('rel'), "self")
-        self.assertEqual(entry_content.tag.split('}')[1], "content")
-        self.assertEqual(entry_content.get('type'), "text")
-        self.assertEqual(entry_content.text,
-                         "Version 2.9.8 CURRENT (2011-07-20T11:40:00Z)")
+        f = feedparser.parse(response)
+
+        self.assertEqual(f.feed.title, 'Available API Versions')
+        self.assertEqual(f.feed.updated, '2011-07-20T11:40:00Z')
+        self.assertEqual(f.feed.id, 'http://test/')
+        self.assertEqual(f.feed.author, 'Rackspace')
+        self.assertEqual(f.feed.author_detail.href,
+                         'http://www.rackspace.com/')
+        self.assertEqual(f.feed.links[0]['href'], 'http://test/')
+        self.assertEqual(f.feed.links[0]['rel'], 'self')
+
+        self.assertEqual(len(f.entries), 1)
+        entry = f.entries[0]
+        self.assertEqual(entry.id, 'http://test/2.9.8')
+        self.assertEqual(entry.title, 'Version 2.9.8')
+        self.assertEqual(entry.updated, '2011-07-20T11:40:00Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+            'Version 2.9.8 CURRENT (2011-07-20T11:40:00Z)')
+        self.assertEqual(len(entry.links), 1)
+        self.assertEqual(entry.links[0]['href'], 'http://test/2.9.8')
+        self.assertEqual(entry.links[0]['rel'], 'self')
 
     def test_version_detail_atom_serializer(self):
         versions_data = {
@@ -904,63 +829,36 @@ class VersionsSerializerTests(test.TestCase):
 
         serializer = versions.VersionsAtomSerializer()
         response = serializer.show(versions_data)
-
-        root = xml.etree.ElementTree.XML(response)
-        self.assertEqual(root.tag.split('}')[1], "feed")
-        self.assertEqual(root.tag.split('}')[0].strip('{'),
-                         "http://www.w3.org/2005/Atom")
-
-        children = list(root)
-        title = children[0]
-        updated = children[1]
-        id = children[2]
-        author = children[3]
-        link = children[4]
-        entry = children[5]
-
-        self.assertEqual(root.tag.split('}')[1], 'feed')
-        self.assertEqual(title.tag.split('}')[1], 'title')
-        self.assertEqual(title.text, 'About This Version')
-        self.assertEqual(updated.tag.split('}')[1], 'updated')
-        self.assertEqual(updated.text, '2011-01-21T11:33:21Z')
-        self.assertEqual(id.tag.split('}')[1], 'id')
-        self.assertEqual(id.text, 'http://localhost/v1.1/')
-
-        self.assertEqual(author.tag.split('}')[1], 'author')
-        author_name = list(author)[0]
-        author_uri = list(author)[1]
-        self.assertEqual(author_name.tag.split('}')[1], 'name')
-        self.assertEqual(author_name.text, 'Rackspace')
-        self.assertEqual(author_uri.tag.split('}')[1], 'uri')
-        self.assertEqual(author_uri.text, 'http://www.rackspace.com/')
-
-        self.assertEqual(link.get('href'),
-                         'http://localhost/v1.1/')
-        self.assertEqual(link.get('rel'), 'self')
-
-        self.assertEqual(entry.tag.split('}')[1], 'entry')
-        entry_children = list(entry)
-        entry_id = entry_children[0]
-        entry_title = entry_children[1]
-        entry_updated = entry_children[2]
-        entry_links = (entry_children[3], entry_children[4], entry_children[5])
-        entry_content = entry_children[6]
-
-        self.assertEqual(entry_id.tag.split('}')[1], "id")
-        self.assertEqual(entry_id.text,
-                         "http://localhost/v1.1/")
-        self.assertEqual(entry_title.tag.split('}')[1], "title")
-        self.assertEqual(entry_title.get('type'), "text")
-        self.assertEqual(entry_title.text, "Version v1.1")
-        self.assertEqual(entry_updated.tag.split('}')[1], "updated")
-        self.assertEqual(entry_updated.text, "2011-01-21T11:33:21Z")
-
-        for i, link in enumerate(versions_data["version"]["links"]):
-            self.assertEqual(entry_links[i].tag.split('}')[1], "link")
-            for key, val in versions_data["version"]["links"][i].items():
-                self.assertEqual(entry_links[i].get(key), val)
-
-        self.assertEqual(entry_content.tag.split('}')[1], "content")
-        self.assertEqual(entry_content.get('type'), "text")
-        self.assertEqual(entry_content.text,
-                         "Version v1.1 CURRENT (2011-01-21T11:33:21Z)")
+        f = feedparser.parse(response)
+
+        self.assertEqual(f.feed.title, 'About This Version')
+        self.assertEqual(f.feed.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(f.feed.id, 'http://localhost/v1.1/')
+        self.assertEqual(f.feed.author, 'Rackspace')
+        self.assertEqual(f.feed.author_detail.href,
+                         'http://www.rackspace.com/')
+        self.assertEqual(f.feed.links[0]['href'], 'http://localhost/v1.1/')
+        self.assertEqual(f.feed.links[0]['rel'], 'self')
+
+        self.assertEqual(len(f.entries), 1)
+        entry = f.entries[0]
+        self.assertEqual(entry.id, 'http://localhost/v1.1/')
+        self.assertEqual(entry.title, 'Version v1.1')
+        self.assertEqual(entry.updated, '2011-01-21T11:33:21Z')
+        self.assertEqual(len(entry.content), 1)
+        self.assertEqual(entry.content[0].value,
+             'Version v1.1 CURRENT (2011-01-21T11:33:21Z)')
+        self.assertEqual(len(entry.links), 3)
+        self.assertEqual(entry.links[0]['href'], 'http://localhost/v1.1/')
+        self.assertEqual(entry.links[0]['rel'], 'self')
+        self.assertEqual(entry.links[1], {
+            'rel': 'describedby',
+            'type': 'application/pdf',
+            'href': 'http://docs.rackspacecloud.com/'
+                    'servers/api/v1.1/cs-devguide-20110125.pdf'})
+        self.assertEqual(entry.links[2], {
+            'rel': 'describedby',
+            'type': 'application/vnd.sun.wadl+xml',
+            'href': 'http://docs.rackspacecloud.com/'
+                    'servers/api/v1.1/application.wadl',
+        })
diff --git a/nova/tests/integrated/test_xml.py b/nova/tests/integrated/test_xml.py
index 74baaacc2..cf013da1d 100644
--- a/nova/tests/integrated/test_xml.py
+++ b/nova/tests/integrated/test_xml.py
@@ -15,6 +15,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from lxml import etree
+
 from nova.log import logging
 from nova.tests.integrated import integrated_helpers
 from nova.api.openstack import common
@@ -34,9 +36,8 @@ class XmlTests(integrated_helpers._IntegratedTestBase):
         response = self.api.api_request('/limits', headers=headers)
         data = response.read()
         LOG.debug("data: %s" % data)
-
-        prefix = '<limits xmlns="%s"' % common.XML_NS_V11
-        self.assertTrue(data.startswith(prefix))
+        root = etree.XML(data)
+        self.assertEqual(root.nsmap.get(None), common.XML_NS_V11)
 
     def test_namespace_servers(self):
         """/servers should have v1.1 namespace (has changed in 1.1)."""
@@ -46,6 +47,5 @@ class XmlTests(integrated_helpers._IntegratedTestBase):
         response = self.api.api_request('/servers', headers=headers)
         data = response.read()
         LOG.debug("data: %s" % data)
-
-        prefix = '<servers xmlns="%s"' % common.XML_NS_V11
-        self.assertTrue(data.startswith(prefix))
+        root = etree.XML(data)
+        self.assertEqual(root.nsmap.get(None), common.XML_NS_V11)
diff --git a/nova/tests/test_libvirt.py b/nova/tests/test_libvirt.py
index 233ee14de..d4e7f6b6b 100644
--- a/nova/tests/test_libvirt.py
+++ b/nova/tests/test_libvirt.py
@@ -35,6 +35,7 @@ from nova import utils
 from nova.api.ec2 import cloud
 from nova.compute import power_state
 from nova.compute import vm_states
+from nova.virt import driver
 from nova.virt.libvirt import connection
 from nova.virt.libvirt import firewall
 from nova.tests import fake_network
@@ -840,6 +841,50 @@ class LibvirtConnTestCase(test.TestCase):
         _assert_volume_in_mapping('sdg', False)
         _assert_volume_in_mapping('sdh1', False)
 
+    def test_reboot_signature(self):
+        """Test that libvirt driver method sig matches interface"""
+        def fake_reboot_with_correct_sig(ignore, instance,
+                                         network_info, reboot_type):
+            pass
+
+        def fake_destroy(instance, network_info, cleanup=False):
+            pass
+
+        def fake_plug_vifs(instance, network_info):
+            pass
+
+        def fake_create_new_domain(xml):
+            return
+
+        def fake_none(self, instance):
+            return
+
+        instance = db.instance_create(self.context, self.test_instance)
+        network_info = _fake_network_info(self.stubs, 1)
+
+        self.mox.StubOutWithMock(connection.LibvirtConnection, '_conn')
+        connection.LibvirtConnection._conn.lookupByName = self.fake_lookup
+
+        conn = connection.LibvirtConnection(False)
+        self.stubs.Set(conn, 'destroy', fake_destroy)
+        self.stubs.Set(conn, 'plug_vifs', fake_plug_vifs)
+        self.stubs.Set(conn.firewall_driver,
+                       'setup_basic_filtering',
+                       fake_none)
+        self.stubs.Set(conn.firewall_driver,
+                       'prepare_instance_filter',
+                       fake_none)
+        self.stubs.Set(conn, '_create_new_domain', fake_create_new_domain)
+        self.stubs.Set(conn.firewall_driver,
+                       'apply_instance_filter',
+                       fake_none)
+
+        args = [instance, network_info, 'SOFT']
+        conn.reboot(*args)
+
+        compute_driver = driver.ComputeDriver()
+        self.assertRaises(NotImplementedError, compute_driver.reboot, *args)
+
 
 class NWFilterFakes:
     def __init__(self):
diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py
index 4a83d139e..47c6a3c95 100644
--- a/nova/tests/test_xenapi.py
+++ b/nova/tests/test_xenapi.py
@@ -364,7 +364,7 @@ class XenAPIVMTestCase(test.TestCase):
 
     def _test_spawn(self, image_ref, kernel_id, ramdisk_id,
                     instance_type_id="3", os_type="linux",
-                    architecture="x86-64", instance_id=1,
+                    hostname="test", architecture="x86-64", instance_id=1,
                     check_injection=False,
                     create_record=True, empty_dns=False):
         stubs.stubout_loopingcall_start(self.stubs)
@@ -377,6 +377,7 @@ class XenAPIVMTestCase(test.TestCase):
                       'ramdisk_id': ramdisk_id,
                       'instance_type_id': instance_type_id,
                       'os_type': os_type,
+                      'hostname': hostname,
                       'architecture': architecture}
             instance = db.instance_create(self.context, values)
         else:
diff --git a/nova/virt/disk.py b/nova/virt/disk.py
index cd3422829..9fe164cfb 100644
--- a/nova/virt/disk.py
+++ b/nova/virt/disk.py
@@ -52,6 +52,47 @@ flags.DEFINE_integer('timeout_nbd', 10,
 flags.DEFINE_integer('max_nbd_devices', 16,
                      'maximum number of possible nbd devices')
 
+# NOTE(yamahata): DEFINE_list() doesn't work because the command may
+#                 include ','. For example,
+#                 mkfs.ext3 -O dir_index,extent -E stride=8,stripe-width=16
+#                 --label %(fs_label)s %(target)s
+#
+#                 DEFINE_list() parses its argument by
+#                 [s.strip() for s in argument.split(self._token)]
+#                 where self._token = ','
+#                 No escape nor exceptional handling for ','.
+#                 DEFINE_list() doesn't give us what we need.
+flags.DEFINE_multistring('virt_mkfs',
+                         ['windows=mkfs.ntfs --fast --label %(fs_label)s '
+                          '%(target)s',
+                          # NOTE(yamahata): vfat case
+                          #'windows=mkfs.vfat -n %(fs_label)s %(target)s',
+                          'linux=mkfs.ext3 -L %(fs_label)s -F %(target)s',
+                          'default=mkfs.ext3 -L %(fs_label)s -F %(target)s'],
+                         'mkfs commands for ephemeral device. The format is'
+                         '<os_type>=<mkfs command>')
+
+
+_MKFS_COMMAND = {}
+_DEFAULT_MKFS_COMMAND = None
+
+
+for s in FLAGS.virt_mkfs:
+    # NOTE(yamahata): mkfs command may includes '=' for its options.
+    #                 So item.partition('=') doesn't work here
+    os_type, mkfs_command = s.split('=', 1)
+    if os_type:
+        _MKFS_COMMAND[os_type] = mkfs_command
+    if os_type == 'default':
+        _DEFAULT_MKFS_COMMAND = mkfs_command
+
+
+def mkfs(os_type, fs_label, target):
+    mkfs_command = (_MKFS_COMMAND.get(os_type, _DEFAULT_MKFS_COMMAND) or
+                    '') % locals()
+    if mkfs_command:
+        utils.execute(*mkfs_command.split())
+
 
 def extend(image, size):
     """Increase image to size"""
diff --git a/nova/virt/libvirt/connection.py b/nova/virt/libvirt/connection.py
index f591ce02c..18e643ea8 100644
--- a/nova/virt/libvirt/connection.py
+++ b/nova/virt/libvirt/connection.py
@@ -38,6 +38,7 @@ Supports KVM, LXC, QEMU, UML, and XEN.
 """
 
 import hashlib
+import functools
 import multiprocessing
 import netaddr
 import os
@@ -466,7 +467,7 @@ class LibvirtConnection(driver.ComputeDriver):
         shutil.rmtree(temp_dir)
 
     @exception.wrap_exception()
-    def reboot(self, instance, network_info):
+    def reboot(self, instance, network_info, reboot_type):
         """Reboot a virtual machine, given an instance reference.
 
         This method actually destroys and re-creates the domain to ensure the
@@ -778,6 +779,10 @@ class LibvirtConnection(driver.ComputeDriver):
         if fs_format:
             utils.execute('mkfs', '-t', fs_format, target)
 
+    def _create_ephemeral(self, target, local_size, fs_label, os_type):
+        self._create_local(target, local_size)
+        disk.mkfs(os_type, fs_label, target)
+
     def _create_swap(self, target, swap_gb):
         """Create a swap file of specified size"""
         self._create_local(target, swap_gb)
@@ -866,9 +871,13 @@ class LibvirtConnection(driver.ComputeDriver):
                               local_size=local_gb)
 
         for eph in driver.block_device_info_get_ephemerals(block_device_info):
-            self._cache_image(fn=self._create_local,
+            fn = functools.partial(self._create_ephemeral,
+                                   fs_label='ephemeral%d' % eph['num'],
+                                   os_type=inst.os_type)
+            self._cache_image(fn=fn,
                               target=basepath(_get_eph_disk(eph)),
-                              fname="local_%s" % eph['size'],
+                              fname="ephemeral_%s_%s_%s" %
+                              (eph['num'], eph['size'], inst.os_type),
                               cow=FLAGS.use_cow_images,
                               local_size=eph['size'])
 
@@ -1102,6 +1111,11 @@ class LibvirtConnection(driver.ComputeDriver):
                 nova_context.get_admin_context(), instance['id'],
                 {'root_device_name': '/dev/' + self.default_root_device})
 
+        if local_device:
+            db.instance_update(
+                nova_context.get_admin_context(), instance['id'],
+                {'default_local_device': '/dev/' + self.default_local_device})
+
         swap = driver.block_device_info_get_swap(block_device_info)
         if driver.swap_is_usable(swap):
             xml_info['swap_device'] = block_device.strip_dev(
@@ -1110,6 +1124,9 @@ class LibvirtConnection(driver.ComputeDriver):
               not self._volume_in_mapping(self.default_swap_device,
                                           block_device_info)):
             xml_info['swap_device'] = self.default_swap_device
+            db.instance_update(
+                nova_context.get_admin_context(), instance['id'],
+                {'default_swap_device': '/dev/' + self.default_swap_device})
 
         config_drive = False
         if instance.get('config_drive') or instance.get('config_drive_id'):
diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py
index 5ba62d63e..8ad5ba877 100644
--- a/nova/virt/xenapi/vmops.py
+++ b/nova/virt/xenapi/vmops.py
@@ -253,6 +253,8 @@ class VMOps(object):
 
         self.create_vifs(vm_ref, instance, network_info)
         self.inject_network_info(instance, network_info, vm_ref)
+        self.inject_hostname(instance, vm_ref, instance['hostname'])
+
         return vm_ref
 
     def _attach_disks(self, instance, disk_image_type, vm_ref, first_vdi_ref,
@@ -1168,6 +1170,16 @@ class VMOps(object):
         resp = self._make_plugin_call('agent', 'resetnetwork', instance, '',
                                                                args, vm_ref)
 
+    def inject_hostname(self, instance, vm_ref, hostname):
+        """Inject the hostname of the instance into the xenstore."""
+        if instance.os_type == "windows":
+            # NOTE(jk0): Windows hostnames can only be <= 15 chars.
+            hostname = hostname[:15]
+
+        logging.debug(_("injecting hostname to xs for vm: |%s|"), vm_ref)
+        self._session.call_xenapi_request("VM.add_to_xenstore_data",
+                (vm_ref, "vm-data/hostname", hostname))
+
     def list_from_xenstore(self, vm, path):
         """
         Runs the xenstore-ls command to get a listing of all records
diff --git a/nova/volume/driver.py b/nova/volume/driver.py
index 35e3ea8d0..e5bb498ed 100644
--- a/nova/volume/driver.py
+++ b/nova/volume/driver.py
@@ -221,7 +221,14 @@ class VolumeDriver(object):
 
 
 class AOEDriver(VolumeDriver):
-    """Implements AOE specific volume commands."""
+    """WARNING! Deprecated. This driver will be removed in Essex. Its use
+    is not recommended.
+
+    Implements AOE specific volume commands."""
+
+    def __init__(self, *args, **kwargs):
+        LOG.warn(_("AOEDriver is deprecated and will be removed in Essex"))
+        super(AOEDriver, self).__init__(*args, **kwargs)
 
     def ensure_export(self, context, volume):
         # NOTE(vish): we depend on vblade-persist for recreating exports
diff --git a/tools/pip-requires b/tools/pip-requires
index 66d6a48d9..a4af326dc 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -35,3 +35,4 @@ coverage
 nosexcover
 GitPython
 paramiko
+feedparser