merged trunk

14 files changed, 802 insertions, 342 deletions

diff --git a/nova/api/direct.py b/nova/api/direct.py
index ec79151b1..993815fc7 100644
--- a/nova/api/direct.py
+++ b/nova/api/direct.py
@@ -107,7 +107,8 @@ class DelegatedAuthMiddleware(wsgi.Middleware):
     def process_request(self, request):
         os_user = request.headers['X-OpenStack-User']
         os_project = request.headers['X-OpenStack-Project']
-        context_ref = context.RequestContext(user=os_user, project=os_project)
+        context_ref = context.RequestContext(user_id=os_user,
+                                             project_id=os_project)
         request.environ['openstack.context'] = context_ref
 
 
diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py
index cf1734281..af232edda 100644
--- a/nova/api/ec2/__init__.py
+++ b/nova/api/ec2/__init__.py
@@ -66,7 +66,7 @@ class RequestLogging(wsgi.Middleware):
         else:
             controller = None
             action = None
-        ctxt = request.environ.get('ec2.context', None)
+        ctxt = request.environ.get('nova.context', None)
         delta = utils.utcnow() - start
         seconds = delta.seconds
         microseconds = delta.microseconds
@@ -139,8 +139,7 @@ class Lockout(wsgi.Middleware):
 
 
 class Authenticate(wsgi.Middleware):
-
-    """Authenticate an EC2 request and add 'ec2.context' to WSGI environ."""
+    """Authenticate an EC2 request and add 'nova.context' to WSGI environ."""
 
     @webob.dec.wsgify(RequestClass=wsgi.Request)
     def __call__(self, req):
@@ -157,8 +156,9 @@ class Authenticate(wsgi.Middleware):
         auth_params.pop('Signature')
 
         # Authenticate the request.
+        authman = manager.AuthManager()
         try:
-            (user, project) = manager.AuthManager().authenticate(
+            (user, project) = authman.authenticate(
                     access,
                     signature,
                     auth_params,
@@ -174,14 +174,17 @@ class Authenticate(wsgi.Middleware):
         remote_address = req.remote_addr
         if FLAGS.use_forwarded_for:
             remote_address = req.headers.get('X-Forwarded-For', remote_address)
-        ctxt = context.RequestContext(user=user,
-                                      project=project,
+        roles = authman.get_active_roles(user, project)
+        ctxt = context.RequestContext(user_id=user.id,
+                                      project_id=project.id,
+                                      is_admin=user.is_admin(),
+                                      roles=roles,
                                       remote_address=remote_address)
-        req.environ['ec2.context'] = ctxt
+        req.environ['nova.context'] = ctxt
         uname = user.name
         pname = project.name
         msg = _('Authenticated Request For %(uname)s:%(pname)s)') % locals()
-        LOG.audit(msg, context=req.environ['ec2.context'])
+        LOG.audit(msg, context=req.environ['nova.context'])
         return self.application
 
 
@@ -228,7 +231,7 @@ class Authorizer(wsgi.Middleware):
     """Authorize an EC2 API request.
 
     Return a 401 if ec2.controller and ec2.action in WSGI environ may not be
-    executed in ec2.context.
+    executed in nova.context.
     """
 
     def __init__(self, application):
@@ -282,7 +285,7 @@ class Authorizer(wsgi.Middleware):
 
     @webob.dec.wsgify(RequestClass=wsgi.Request)
     def __call__(self, req):
-        context = req.environ['ec2.context']
+        context = req.environ['nova.context']
         controller = req.environ['ec2.request'].controller.__class__.__name__
         action = req.environ['ec2.request'].action
         allowed_roles = self.action_roles[controller].get(action, ['none'])
@@ -295,28 +298,27 @@ class Authorizer(wsgi.Middleware):
 
     def _matches_any_role(self, context, roles):
         """Return True if any role in roles is allowed in context."""
-        if context.user.is_superuser():
+        if context.is_admin:
             return True
         if 'all' in roles:
             return True
         if 'none' in roles:
             return False
-        return any(context.project.has_role(context.user_id, role)
-                   for role in roles)
+        return any(role in context.roles for role in roles)
 
 
 class Executor(wsgi.Application):
 
     """Execute an EC2 API request.
 
-    Executes 'ec2.action' upon 'ec2.controller', passing 'ec2.context' and
+    Executes 'ec2.action' upon 'ec2.controller', passing 'nova.context' and
     'ec2.action_args' (all variables in WSGI environ.)  Returns an XML
     response, or a 400 upon failure.
     """
 
     @webob.dec.wsgify(RequestClass=wsgi.Request)
     def __call__(self, req):
-        context = req.environ['ec2.context']
+        context = req.environ['nova.context']
         api_request = req.environ['ec2.request']
         result = None
         try:
diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py
index 868b98a31..9ab8aeb58 100644
--- a/nova/api/openstack/__init__.py
+++ b/nova/api/openstack/__init__.py
@@ -40,6 +40,7 @@ from nova.api.openstack import servers
 from nova.api.openstack import server_metadata
 from nova.api.openstack import shared_ip_groups
 from nova.api.openstack import users
+from nova.api.openstack import versions
 from nova.api.openstack import wsgi
 from nova.api.openstack import zones
 
@@ -96,6 +97,7 @@ class APIRouter(base_wsgi.Router):
             server_members['suspend'] = 'POST'
             server_members['resume'] = 'POST'
             server_members['rescue'] = 'POST'
+            server_members['migrate'] = 'POST'
             server_members['unrescue'] = 'POST'
             server_members['reset_network'] = 'POST'
             server_members['inject_network_info'] = 'POST'
@@ -115,6 +117,10 @@ class APIRouter(base_wsgi.Router):
                                     'select': 'POST',
                                     'boot': 'POST'})
 
+        mapper.connect("versions", "/",
+                    controller=versions.create_resource(version),
+                    action='show')
+
         mapper.resource("console", "consoles",
                     controller=consoles.create_resource(),
                     parent_resource=dict(member_name='server',
diff --git a/nova/api/openstack/auth.py b/nova/api/openstack/auth.py
index 7c3e683d6..d42abe1f8 100644
--- a/nova/api/openstack/auth.py
+++ b/nova/api/openstack/auth.py
@@ -48,31 +48,35 @@ class AuthMiddleware(wsgi.Middleware):
     def __call__(self, req):
         if not self.has_authentication(req):
             return self.authenticate(req)
-        user = self.get_user_by_authentication(req)
-        if not user:
+        user_id = self.get_user_by_authentication(req)
+        if not user_id:
             token = req.headers["X-Auth-Token"]
-            msg = _("%(user)s could not be found with token '%(token)s'")
+            msg = _("%(user_id)s could not be found with token '%(token)s'")
             LOG.warn(msg % locals())
             return faults.Fault(webob.exc.HTTPUnauthorized())
 
         try:
-            account = req.headers["X-Auth-Project-Id"]
+            project_id = req.headers["X-Auth-Project-Id"]
         except KeyError:
             # FIXME(usrleon): It needed only for compatibility
             # while osapi clients don't use this header
-            accounts = self.auth.get_projects(user=user)
-            if accounts:
-                account = accounts[0]
+            projects = self.auth.get_projects(user_id)
+            if projects:
+                project_id = projects[0].id
             else:
                 return faults.Fault(webob.exc.HTTPUnauthorized())
 
-        if not self.auth.is_admin(user) and \
-           not self.auth.is_project_member(user, account):
-            msg = _("%(user)s must be an admin or a member of %(account)s")
+        is_admin = self.auth.is_admin(user_id)
+        req.environ['nova.context'] = context.RequestContext(user_id,
+                                                             project_id,
+                                                             is_admin)
+        if not is_admin and not self.auth.is_project_member(user_id,
+                                                            project_id):
+            msg = _("%(user_id)s must be an admin or a "
+                    "member of %(project_id)s")
             LOG.warn(msg % locals())
             return faults.Fault(webob.exc.HTTPUnauthorized())
 
-        req.environ['nova.context'] = context.RequestContext(user, account)
         return self.application
 
     def has_authentication(self, req):
@@ -133,7 +137,7 @@ class AuthMiddleware(wsgi.Middleware):
             if delta.days >= 2:
                 self.db.auth_token_destroy(ctxt, token['token_hash'])
             else:
-                return self.auth.get_user(token['user_id'])
+                return token['user_id']
         return None
 
     def _authorize_user(self, username, key, req):
diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py
index bd14a1389..efa4ab385 100644
--- a/nova/api/openstack/common.py
+++ b/nova/api/openstack/common.py
@@ -17,12 +17,14 @@
 
 import re
 from urlparse import urlparse
+from xml.dom import minidom
 
 import webob
 
 from nova import exception
 from nova import flags
 from nova import log as logging
+from nova.api.openstack import wsgi
 
 
 LOG = logging.getLogger('nova.api.openstack.common')
@@ -192,3 +194,83 @@ def get_version_from_href(href):
     except IndexError:
         version = '1.0'
     return version
+
+
+class MetadataXMLDeserializer(wsgi.MetadataXMLDeserializer):
+
+    def _extract_metadata_container(self, datastring):
+        dom = minidom.parseString(datastring)
+        metadata_node = self.find_first_child_named(dom, "metadata")
+        metadata = self.extract_metadata(metadata_node)
+        return {'body': {'metadata': metadata}}
+
+    def create(self, datastring):
+        return self._extract_metadata_container(datastring)
+
+    def update_all(self, datastring):
+        return self._extract_metadata_container(datastring)
+
+    def update(self, datastring):
+        dom = minidom.parseString(datastring)
+        metadata_item = self.extract_metadata(dom)
+        return {'body': {'meta': metadata_item}}
+
+
+class MetadataHeadersSerializer(wsgi.ResponseHeadersSerializer):
+
+    def delete(self, response, data):
+        response.status_int = 204
+
+
+class MetadataXMLSerializer(wsgi.XMLDictSerializer):
+    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.toprettyxml(indent='    ', encoding='UTF-8')
+
+    def index(self, metadata_dict):
+        return self._meta_list_to_xml_string(metadata_dict)
+
+    def create(self, metadata_dict):
+        return self._meta_list_to_xml_string(metadata_dict)
+
+    def 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.toprettyxml(indent='    ', encoding='UTF-8')
+
+    def show(self, meta_item_dict):
+        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+
+    def update(self, meta_item_dict):
+        return self._meta_item_to_xml_string(meta_item_dict['meta'])
+
+    def default(self, *args, **kwargs):
+        return ''
diff --git a/nova/api/openstack/contrib/floating_ips.py b/nova/api/openstack/contrib/floating_ips.py
index b4a211857..3d8049324 100644
--- a/nova/api/openstack/contrib/floating_ips.py
+++ b/nova/api/openstack/contrib/floating_ips.py
@@ -27,9 +27,9 @@ from nova.api.openstack import extensions
 def _translate_floating_ip_view(floating_ip):
     result = {'id': floating_ip['id'],
               'ip': floating_ip['address']}
-    if 'fixed_ip' in floating_ip:
+    try:
         result['fixed_ip'] = floating_ip['fixed_ip']['address']
-    else:
+    except (TypeError, KeyError):
         result['fixed_ip'] = None
     if 'instance' in floating_ip:
         result['instance_id'] = floating_ip['instance']['id']
diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py
index f8317565e..a2d18d37e 100644
--- a/nova/api/openstack/create_instance_helper.py
+++ b/nova/api/openstack/create_instance_helper.py
@@ -20,6 +20,7 @@ import webob
 from webob import exc
 from xml.dom import minidom
 
+from nova import db
 from nova import exception
 from nova import flags
 from nova import log as logging
@@ -29,7 +30,6 @@ from nova import utils
 
 from nova.compute import instance_types
 from nova.api.openstack import wsgi
-from nova.auth import manager as auth_manager
 
 
 LOG = logging.getLogger('nova.api.openstack.create_instance_helper')
@@ -80,13 +80,21 @@ class CreateInstanceHelper(object):
 
         key_name = None
         key_data = None
-        key_pairs = auth_manager.AuthManager.get_key_pairs(context)
+        # TODO(vish): Key pair access should move into a common library
+        #             instead of being accessed directly from the db.
+        key_pairs = db.key_pair_get_all_by_user(context.elevated(),
+                                                context.user_id)
         if key_pairs:
             key_pair = key_pairs[0]
             key_name = key_pair['name']
             key_data = key_pair['public_key']
 
         image_href = self.controller._image_ref_from_req_data(body)
+        # If the image href was generated by nova api, strip image_href
+        # down to an id and use the default glance connection params
+        
+        if str(image_href).startswith(req.application_url):
+            image_href = image_href.split('/').pop()
         try:
             image_service, image_id = nova.image.get_image_service(image_href)
             kernel_id, ramdisk_id = self._get_kernel_ramdisk_from_image(
@@ -188,7 +196,7 @@ class CreateInstanceHelper(object):
         Overrides normal behavior in the case of xml content
         """
         if request.content_type == "application/xml":
-            deserializer = ServerCreateRequestXMLDeserializer()
+            deserializer = ServerXMLDeserializer()
             return deserializer.deserialize(request.body)
         else:
             return self._deserialize(request.body, request.get_content_type())
@@ -293,6 +301,37 @@ class ServerXMLDeserializer(wsgi.MetadataXMLDeserializer):
     and personality attributes
     """
 
+    def action(self, string):
+        dom = minidom.parseString(string)
+        action_node = dom.childNodes[0]
+        action_name = action_node.tagName
+
+        action_deserializer = {
+            'createImage': self._action_create_image,
+            'createBackup': self._action_create_backup,
+        }.get(action_name, self.default)
+
+        action_data = action_deserializer(action_node)
+
+        return {'body': {action_name: action_data}}
+
+    def _action_create_image(self, node):
+        return self._deserialize_image_action(node, ('name',))
+
+    def _action_create_backup(self, node):
+        attributes = ('name', 'backup_type', 'rotation')
+        return self._deserialize_image_action(node, attributes)
+
+    def _deserialize_image_action(self, node, allowed_attributes):
+        data = {}
+        for attribute in allowed_attributes:
+            value = node.getAttribute(attribute)
+            if value:
+                data[attribute] = value
+        metadata_node = self.find_first_child_named(node, 'metadata')
+        data['metadata'] = self.extract_metadata(metadata_node)
+        return data
+
     def create(self, string):
         """Deserialize an xml-formatted server create request"""
         dom = minidom.parseString(string)
@@ -303,29 +342,29 @@ class ServerXMLDeserializer(wsgi.MetadataXMLDeserializer):
         """Marshal the server attribute of a parsed request"""
         server = {}
         server_node = self.find_first_child_named(node, 'server')
-        for attr in ["name", "imageId", "flavorId", "imageRef", "flavorRef"]:
+
+        attributes = ["name", "imageId", "flavorId", "imageRef",
+                     "flavorRef", "adminPass"]
+        for attr in attributes:
             if server_node.getAttribute(attr):
                 server[attr] = server_node.getAttribute(attr)
+
         metadata_node = self.find_first_child_named(server_node, "metadata")
-        metadata = self.extract_metadata(metadata_node)
-        if metadata is not None:
-            server["metadata"] = metadata
-        personality = self._extract_personality(server_node)
-        if personality is not None:
-            server["personality"] = personality
+        server["metadata"] = self.extract_metadata(metadata_node)
+
+        server["personality"] = self._extract_personality(server_node)
+
         return server
 
     def _extract_personality(self, server_node):
         """Marshal the personality attribute of a parsed request"""
-        personality_node = \
-                self.find_first_child_named(server_node, "personality")
-        if personality_node is None:
-            return None
+        node = self.find_first_child_named(server_node, "personality")
         personality = []
-        for file_node in self.find_children_named(personality_node, "file"):
-            item = {}
-            if file_node.hasAttribute("path"):
-                item["path"] = file_node.getAttribute("path")
-            item["contents"] = self.extract_text(file_node)
-            personality.append(item)
+        if node is not None:
+            for file_node in self.find_children_named(node, "file"):
+                item = {}
+                if file_node.hasAttribute("path"):
+                    item["path"] = file_node.getAttribute("path")
+                item["contents"] = self.extract_text(file_node)
+                personality.append(item)
         return personality
diff --git a/nova/api/openstack/image_metadata.py b/nova/api/openstack/image_metadata.py
index ee181c924..aaf64a123 100644
--- a/nova/api/openstack/image_metadata.py
+++ b/nova/api/openstack/image_metadata.py
@@ -16,12 +16,12 @@
 #    under the License.
 
 from webob import exc
-from xml.dom import minidom
 
 from nova import flags
 from nova import image
 from nova import quota
 from nova import utils
+from nova.api.openstack import common
 from nova.api.openstack import wsgi
 
 
@@ -118,95 +118,15 @@ class Controller(object):
         self.image_service.update(context, image_id, img, None)
 
 
-class ImageMetadataXMLDeserializer(wsgi.MetadataXMLDeserializer):
-
-    def _extract_metadata_container(self, datastring):
-        dom = minidom.parseString(datastring)
-        metadata_node = self.find_first_child_named(dom, "metadata")
-        metadata = self.extract_metadata(metadata_node)
-        return {'body': {'metadata': metadata}}
-
-    def create(self, datastring):
-        return self._extract_metadata_container(datastring)
-
-    def update_all(self, datastring):
-        return self._extract_metadata_container(datastring)
-
-    def update(self, datastring):
-        dom = minidom.parseString(datastring)
-        metadata_item = self.extract_metadata(dom)
-        return {'body': {'meta': metadata_item}}
-
-
-class HeadersSerializer(wsgi.ResponseHeadersSerializer):
-
-    def delete(self, response, data):
-        response.status_int = 204
-
-
-class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer):
-    def __init__(self, xmlns=wsgi.XMLNS_V11):
-        super(ImageMetadataXMLSerializer, self).__init__(xmlns=xmlns)
-
-    def _meta_item_to_xml(self, doc, key, value):
-        node = doc.createElement('meta')
-        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.toprettyxml(indent='    ', encoding='UTF-8')
-
-    def index(self, metadata_dict):
-        return self._meta_list_to_xml_string(metadata_dict)
-
-    def create(self, metadata_dict):
-        return self._meta_list_to_xml_string(metadata_dict)
-
-    def 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.toprettyxml(indent='    ', encoding='UTF-8')
-
-    def show(self, meta_item_dict):
-        return self._meta_item_to_xml_string(meta_item_dict['meta'])
-
-    def update(self, meta_item_dict):
-        return self._meta_item_to_xml_string(meta_item_dict['meta'])
-
-    def default(self, *args, **kwargs):
-        return ''
-
-
 def create_resource():
-    headers_serializer = HeadersSerializer()
+    headers_serializer = common.MetadataHeadersSerializer()
 
     body_deserializers = {
-        'application/xml': ImageMetadataXMLDeserializer(),
+        'application/xml': common.MetadataXMLDeserializer(),
     }
 
     body_serializers = {
-        'application/xml': ImageMetadataXMLSerializer(),
+        'application/xml': common.MetadataXMLSerializer(),
     }
     serializer = wsgi.ResponseSerializer(body_serializers, headers_serializer)
     deserializer = wsgi.RequestDeserializer(body_deserializers)
diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py
index 30e4fd389..0834adfa5 100644
--- a/nova/api/openstack/images.py
+++ b/nova/api/openstack/images.py
@@ -98,79 +98,34 @@ class Controller(object):
         self._image_service.delete(context, id)
         return webob.exc.HTTPNoContent()
 
-    def create(self, req, body):
-        """Snapshot or backup a server instance and save the image.
-
-        Images now have an `image_type` associated with them, which can be
-        'snapshot' or the backup type, like 'daily' or 'weekly'.
-
-        If the image_type is backup-like, then the rotation factor can be
-        included and that will cause the oldest backups that exceed the
-        rotation factor to be deleted.
-
-        :param req: `wsgi.Request` object
-        """
-        def get_param(param):
-            try:
-                return body["image"][param]
-            except KeyError:
-                raise webob.exc.HTTPBadRequest(explanation="Missing required "
-                        "param: %s" % param)
-
-        context = req.environ['nova.context']
-        content_type = req.get_content_type()
-
-        if not body:
-            raise webob.exc.HTTPBadRequest()
-
-        image_type = body["image"].get("image_type", "snapshot")
-
-        try:
-            server_id = self._server_id_from_req(req, body)
-        except KeyError:
-            raise webob.exc.HTTPBadRequest()
-
-        image_name = get_param("name")
-        props = self._get_extra_properties(req, body)
-
-        if image_type == "snapshot":
-            image = self._compute_service.snapshot(
-                        context, server_id, image_name,
-                        extra_properties=props)
-        elif image_type == "backup":
-            # NOTE(sirp): Unlike snapshot, backup is not a customer facing
-            # API call; rather, it's used by the internal backup scheduler
-            if not FLAGS.allow_admin_api:
-                raise webob.exc.HTTPBadRequest(
-                        explanation="Admin API Required")
-
-            backup_type = get_param("backup_type")
-            rotation = int(get_param("rotation"))
-
-            image = self._compute_service.backup(
-                        context, server_id, image_name,
-                        backup_type, rotation, extra_properties=props)
-        else:
-            LOG.error(_("Invalid image_type '%s' passed") % image_type)
-            raise webob.exc.HTTPBadRequest(explanation="Invalue image_type: "
-                   "%s" % image_type)
-
-        return dict(image=self.get_builder(req).build(image, detail=True))
-
     def get_builder(self, request):
         """Indicates that you must use a Controller subclass."""
         raise NotImplementedError()
 
-    def _server_id_from_req(self, req, data):
-        raise NotImplementedError()
-
-    def _get_extra_properties(self, req, data):
-        return {}
-
 
 class ControllerV10(Controller):
     """Version 1.0 specific controller logic."""
 
+    def create(self, req, body):
+        """Snapshot a server instance and save the image."""
+        try:
+            image = body["image"]
+        except (KeyError, TypeError):
+            msg = _("Invalid image entity")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        try:
+            image_name = image["name"]
+            server_id = image["serverId"]
+        except KeyError as missing_key:
+            msg = _("Image entity requires %s") % missing_key
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        context = req.environ["nova.context"]
+        image = self._compute_service.snapshot(context, server_id, image_name)
+
+        return dict(image=self.get_builder(req).build(image, detail=True))
+
     def get_builder(self, request):
         """Property to get the ViewBuilder class we need to use."""
         base_url = request.application_url
@@ -202,13 +157,6 @@ class ControllerV10(Controller):
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=True) for image in images])
 
-    def _server_id_from_req(self, req, data):
-        try:
-            return data['image']['serverId']
-        except KeyError:
-            msg = _("Expected serverId attribute on server entity.")
-            raise webob.exc.HTTPBadRequest(explanation=msg)
-
 
 class ControllerV11(Controller):
     """Version 1.1 specific controller logic."""
@@ -246,37 +194,8 @@ class ControllerV11(Controller):
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=True) for image in images])
 
-    def _server_id_from_req(self, req, data):
-        try:
-            server_ref = data['image']['serverRef']
-        except KeyError:
-            msg = _("Expected serverRef attribute on server entity.")
-            raise webob.exc.HTTPBadRequest(explanation=msg)
-
-        if not server_ref.startswith('http'):
-            return server_ref
-
-        passed = urlparse.urlparse(server_ref)
-        expected = urlparse.urlparse(req.application_url)
-        version = expected.path.split('/')[1]
-        expected_prefix = "/%s/servers/" % version
-        _empty, _sep, server_id = passed.path.partition(expected_prefix)
-        scheme_ok = passed.scheme == expected.scheme
-        host_ok = passed.hostname == expected.hostname
-        port_ok = (passed.port == expected.port or
-                   passed.port == FLAGS.osapi_port)
-        if not (scheme_ok and port_ok and host_ok and server_id):
-            msg = _("serverRef must match request url")
-            raise webob.exc.HTTPBadRequest(explanation=msg)
-
-        return server_id
-
-    def _get_extra_properties(self, req, data):
-        server_ref = data['image']['serverRef']
-        if not server_ref.startswith('http'):
-            server_ref = os.path.join(req.application_url, 'servers',
-                                      server_ref)
-        return {'instance_ref': server_ref}
+    def create(self, *args, **kwargs):
+        raise webob.exc.HTTPMethodNotAllowed()
 
 
 class ImageXMLSerializer(wsgi.XMLDictSerializer):
@@ -284,7 +203,7 @@ class ImageXMLSerializer(wsgi.XMLDictSerializer):
     xmlns = wsgi.XMLNS_V11
 
     def __init__(self):
-        self.metadata_serializer = image_metadata.ImageMetadataXMLSerializer()
+        self.metadata_serializer = common.MetadataXMLSerializer()
 
     def _image_to_xml(self, xml_doc, image):
         image_node = xml_doc.createElement('image')
@@ -369,12 +288,6 @@ class ImageXMLSerializer(wsgi.XMLDictSerializer):
                                        image_dict['image'])
         return self.to_xml_string(node, True)
 
-    def create(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)
-
 
 def create_resource(version='1.0'):
     controller = {
diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py
index 6ad549c97..965cf0bfc 100644
--- a/nova/api/openstack/servers.py
+++ b/nova/api/openstack/servers.py
@@ -14,27 +14,30 @@
 #    under the License.
 
 import base64
+import os
 import traceback
 
 from webob import exc
+from xml.dom import minidom
 import webob
 
 from nova import compute
-from nova import db
 from nova import exception
 from nova import flags
 from nova import log as logging
 from nova import utils
 from nova.api.openstack import common
 from nova.api.openstack import create_instance_helper as helper
+from nova.api.openstack import ips
+from nova.api.openstack import wsgi
+from nova.compute import instance_types
+from nova.compute import power_state
+from nova.scheduler import api as scheduler_api
+import nova.api.openstack
 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 wsgi
-import nova.api.openstack
-from nova.compute import power_state
-from nova.scheduler import api as scheduler_api
 
 
 LOG = logging.getLogger('nova.api.openstack.servers')
@@ -235,23 +238,94 @@ class Controller(object):
 
     @scheduler_api.redirect_handler
     def action(self, req, id, body):
-        """Multi-purpose method used to reboot, rebuild, or
-        resize a server"""
+        """Multi-purpose method used to take actions on a server"""
 
-        actions = {
+        self.actions = {
             'changePassword': self._action_change_password,
             'reboot': self._action_reboot,
             'resize': self._action_resize,
             'confirmResize': self._action_confirm_resize,
             'revertResize': self._action_revert_resize,
             'rebuild': self._action_rebuild,
-            'migrate': self._action_migrate}
+            'createImage': self._action_create_image,
+        }
+
+        if FLAGS.allow_admin_api:
+            admin_actions = {
+                'createBackup': self._action_create_backup,
+            }
+            self.actions.update(admin_actions)
 
-        for key in actions.keys():
+        for key in self.actions.keys():
             if key in body:
-                return actions[key](body, req, id)
+                return self.actions[key](body, req, id)
+
         raise exc.HTTPNotImplemented()
 
+    def _action_create_backup(self, input_dict, req, instance_id):
+        """Backup a server instance.
+
+        Images now have an `image_type` associated with them, which can be
+        'snapshot' or the backup type, like 'daily' or 'weekly'.
+
+        If the image_type is backup-like, then the rotation factor can be
+        included and that will cause the oldest backups that exceed the
+        rotation factor to be deleted.
+
+        """
+        entity = input_dict["createBackup"]
+
+        try:
+            image_name = entity["name"]
+            backup_type = entity["backup_type"]
+            rotation = entity["rotation"]
+
+        except KeyError as missing_key:
+            msg = _("createBackup entity requires %s attribute") % missing_key
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        except TypeError:
+            msg = _("Malformed createBackup entity")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        try:
+            rotation = int(rotation)
+        except ValueError:
+            msg = _("createBackup attribute 'rotation' must be an integer")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        # preserve link to server in image properties
+        server_ref = os.path.join(req.application_url,
+                                  'servers',
+                                  str(instance_id))
+        props = {'instance_ref': server_ref}
+
+        metadata = entity.get('metadata', {})
+        try:
+            props.update(metadata)
+        except ValueError:
+            msg = _("Invalid metadata")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        context = req.environ["nova.context"]
+        image = self.compute_api.backup(context,
+                                        instance_id,
+                                        image_name,
+                                        backup_type,
+                                        rotation,
+                                        extra_properties=props)
+
+        # build location of newly-created image entity
+        image_id = str(image['id'])
+        image_ref = os.path.join(req.application_url, 'images', image_id)
+
+        resp = webob.Response(status_int=202)
+        resp.headers['Location'] = image_ref
+        return resp
+
+    def _action_create_image(self, input_dict, req, id):
+        return exc.HTTPNotImplemented()
+
     def _action_change_password(self, input_dict, req, id):
         return exc.HTTPNotImplemented()
 
@@ -289,14 +363,6 @@ class Controller(object):
             raise exc.HTTPUnprocessableEntity()
         return webob.Response(status_int=202)
 
-    def _action_migrate(self, input_dict, req, id):
-        try:
-            self.compute_api.resize(req.environ['nova.context'], id)
-        except Exception, e:
-            LOG.exception(_("Error in migrate %s"), e)
-            raise exc.HTTPBadRequest()
-        return webob.Response(status_int=202)
-
     @scheduler_api.redirect_handler
     def lock(self, req, id):
         """
@@ -423,6 +489,15 @@ class Controller(object):
         return webob.Response(status_int=202)
 
     @scheduler_api.redirect_handler
+    def migrate(self, req, id):
+        try:
+            self.compute_api.resize(req.environ['nova.context'], id)
+        except Exception, e:
+            LOG.exception(_("Error in migrate %s"), e)
+            raise exc.HTTPBadRequest()
+        return webob.Response(status_int=202)
+
+    @scheduler_api.redirect_handler
     def rescue(self, req, id):
         """Permit users to rescue the server."""
         context = req.environ["nova.context"]
@@ -486,6 +561,24 @@ class Controller(object):
                 error=item.error))
         return dict(actions=actions)
 
+    def resize(self, req, instance_id, flavor_id):
+        """Begin the resize process with given instance/flavor."""
+        context = req.environ["nova.context"]
+
+        try:
+            self.compute_api.resize(context, instance_id, flavor_id)
+        except exception.FlavorNotFound:
+            msg = _("Unable to locate requested flavor.")
+            raise exc.HTTPBadRequest(explanation=msg)
+        except exception.CannotResizeToSameSize:
+            msg = _("Resize requires a change in size.")
+            raise exc.HTTPBadRequest(explanation=msg)
+        except exception.CannotResizeToSmallerSize:
+            msg = _("Resizing to a smaller size is not supported.")
+            raise exc.HTTPBadRequest(explanation=msg)
+
+        return webob.Response(status_int=202)
+
 
 class ControllerV10(Controller):
 
@@ -519,14 +612,13 @@ class ControllerV10(Controller):
 
     def _action_resize(self, input_dict, req, id):
         """ Resizes a given instance to the flavor size requested """
-        if 'resize' in input_dict and 'flavorId' in input_dict['resize']:
-            flavor_id = input_dict['resize']['flavorId']
-            self.compute_api.resize(req.environ['nova.context'], id,
-                    flavor_id)
-        else:
-            LOG.exception(_("Missing 'flavorId' argument for resize"))
-            raise exc.HTTPUnprocessableEntity()
-        return webob.Response(status_int=202)
+        try:
+            flavor_id = input_dict["resize"]["flavorId"]
+        except (KeyError, TypeError):
+            msg = _("Resize requests require 'flavorId' attribute.")
+            raise exc.HTTPBadRequest(explanation=msg)
+
+        return self.resize(req, id, flavor_id)
 
     def _action_rebuild(self, info, request, instance_id):
         context = request.environ['nova.context']
@@ -563,11 +655,20 @@ class ControllerV11(Controller):
             raise exc.HTTPNotFound()
 
     def _image_ref_from_req_data(self, data):
-        return data['server']['imageRef']
+        try:
+            return data['server']['imageRef']
+        except (TypeError, KeyError):
+            msg = _("Missing imageRef attribute")
+            raise exc.HTTPBadRequest(explanation=msg)
 
     def _flavor_id_from_req_data(self, data):
-        href = data['server']['flavorRef']
-        return common.get_id_from_href(href)
+        try:
+            flavor_ref = data['server']['flavorRef']
+        except (TypeError, KeyError):
+            msg = _("Missing flavorRef attribute")
+            raise exc.HTTPBadRequest(explanation=msg)
+
+        return common.get_id_from_href(flavor_ref)
 
     def _build_view(self, req, instance, is_detail=False):
         base_url = req.application_url
@@ -627,18 +728,12 @@ class ControllerV11(Controller):
     def _action_resize(self, input_dict, req, id):
         """ Resizes a given instance to the flavor size requested """
         try:
-            if 'resize' in input_dict and 'flavorRef' in input_dict['resize']:
-                flavor_ref = input_dict['resize']['flavorRef']
-                flavor_id = common.get_id_from_href(flavor_ref)
-                self.compute_api.resize(req.environ['nova.context'], id,
-                        flavor_id)
-            else:
-                LOG.exception(_("Missing 'flavorRef' argument for resize"))
-                raise exc.HTTPUnprocessableEntity()
-        except Exception, e:
-            LOG.exception(_("Error in resize %s"), e)
-            raise exc.HTTPBadRequest()
-        return webob.Response(status_int=202)
+            flavor_ref = input_dict["resize"]["flavorRef"]
+        except (KeyError, TypeError):
+            msg = _("Resize requests require 'flavorRef' attribute.")
+            raise exc.HTTPBadRequest(explanation=msg)
+
+        return self.resize(req, id, flavor_ref)
 
     def _action_rebuild(self, info, request, instance_id):
         context = request.environ['nova.context']
@@ -668,6 +763,48 @@ class ControllerV11(Controller):
 
         return webob.Response(status_int=202)
 
+    def _action_create_image(self, input_dict, req, instance_id):
+        """Snapshot a server instance."""
+        entity = input_dict.get("createImage", {})
+
+        try:
+            image_name = entity["name"]
+
+        except KeyError:
+            msg = _("createImage entity requires name attribute")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        except TypeError:
+            msg = _("Malformed createImage entity")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        # preserve link to server in image properties
+        server_ref = os.path.join(req.application_url,
+                                  'servers',
+                                  str(instance_id))
+        props = {'instance_ref': server_ref}
+
+        metadata = entity.get('metadata', {})
+        try:
+            props.update(metadata)
+        except ValueError:
+            msg = _("Invalid metadata")
+            raise webob.exc.HTTPBadRequest(explanation=msg)
+
+        context = req.environ['nova.context']
+        image = self.compute_api.snapshot(context,
+                                          instance_id,
+                                          image_name,
+                                          extra_properties=props)
+
+        # build location of newly-created image entity
+        image_id = str(image['id'])
+        image_ref = os.path.join(req.application_url, 'images', image_id)
+
+        resp = webob.Response(status_int=202)
+        resp.headers['Location'] = image_ref
+        return resp
+
     def get_default_xmlns(self, req):
         return common.XML_NS_V11
 
@@ -682,6 +819,123 @@ class HeadersSerializer(wsgi.ResponseHeadersSerializer):
         response.status_int = 204
 
 
+class ServerXMLSerializer(wsgi.XMLDictSerializer):
+
+    xmlns = wsgi.XMLNS_V11
+
+    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('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 '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)
+
+        return server_node
+
+    def _server_list_to_xml(self, xml_doc, servers, detailed):
+        container_node = xml_doc.createElement('servers')
+        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
+
+    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)
+
+    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)
+
+    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)
+
+    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)
+
+
 def create_resource(version='1.0'):
     controller = {
         '1.0': ControllerV10,
@@ -711,9 +965,13 @@ def create_resource(version='1.0'):
 
     headers_serializer = HeadersSerializer()
 
+    xml_serializer = {
+        '1.0': wsgi.XMLDictSerializer(metadata, wsgi.XMLNS_V10),
+        '1.1': ServerXMLSerializer(),
+    }[version]
+
     body_serializers = {
-        'application/xml': wsgi.XMLDictSerializer(metadata=metadata,
-                                                  xmlns=xmlns),
+        'application/xml': xml_serializer,
     }
 
     body_deserializers = {
diff --git a/nova/api/openstack/versions.py b/nova/api/openstack/versions.py
index df7a94b7e..3ef72b7f6 100644
--- a/nova/api/openstack/versions.py
+++ b/nova/api/openstack/versions.py
@@ -24,7 +24,66 @@ import nova.api.openstack.views.versions
 from nova.api.openstack import wsgi
 
 
-ATOM_XMLNS = "http://www.w3.org/2005/Atom"
+VERSIONS = {
+    "v1.0": {
+        "id": "v1.0",
+        "status": "DEPRECATED",
+        "updated": "2011-01-21T11:33:21Z",
+        "links": [
+            {
+                "rel": "describedby",
+                "type": "application/pdf",
+                "href": "http://docs.rackspacecloud.com/"
+                        "servers/api/v1.0/cs-devguide-20110125.pdf"
+            },
+            {
+                "rel": "describedby",
+                "type": "application/vnd.sun.wadl+xml",
+                "href": "http://docs.rackspacecloud.com/"
+                        "servers/api/v1.0/application.wadl"
+            },
+        ],
+        "media-types": [
+            {
+                "base": "application/xml",
+                "type": "application/vnd.openstack.compute-v1.0+xml"
+            },
+            {
+                "base": "application/json",
+                "type": "application/vnd.openstack.compute-v1.0+json"
+            }
+        ],
+    },
+    "v1.1": {
+        "id": "v1.1",
+        "status": "CURRENT",
+        "updated": "2011-01-21T11:33:21Z",
+        "links": [
+            {
+                "rel": "describedby",
+                "type": "application/pdf",
+                "href": "http://docs.rackspacecloud.com/"
+                        "servers/api/v1.1/cs-devguide-20110125.pdf"
+            },
+            {
+                "rel": "describedby",
+                "type": "application/vnd.sun.wadl+xml",
+                "href": "http://docs.rackspacecloud.com/"
+                        "servers/api/v1.1/application.wadl"
+            },
+        ],
+        "media-types": [
+            {
+                "base": "application/xml",
+                "type": "application/vnd.openstack.compute-v1.1+xml"
+            },
+            {
+                "base": "application/json",
+                "type": "application/vnd.openstack.compute-v1.1+json"
+            }
+        ],
+    },
+}
 
 
 class Versions(wsgi.Resource):
@@ -36,16 +95,20 @@ class Versions(wsgi.Resource):
             }
         }
 
+        headers_serializer = VersionsHeadersSerializer()
+
         body_serializers = {
             'application/atom+xml': VersionsAtomSerializer(metadata=metadata),
             'application/xml': VersionsXMLSerializer(metadata=metadata),
         }
-        serializer = wsgi.ResponseSerializer(body_serializers)
+        serializer = wsgi.ResponseSerializer(
+            body_serializers=body_serializers,
+            headers_serializer=headers_serializer)
 
         supported_content_types = ('application/json',
                                    'application/xml',
                                    'application/atom+xml')
-        deserializer = wsgi.RequestDeserializer(
+        deserializer = VersionsRequestDeserializer(
             supported_content_types=supported_content_types)
 
         wsgi.Resource.__init__(self, None, serializer=serializer,
@@ -53,60 +116,131 @@ class Versions(wsgi.Resource):
 
     def dispatch(self, request, *args):
         """Respond to a request for all OpenStack API versions."""
-        version_objs = [
-            {
-                "id": "v1.1",
-                "status": "CURRENT",
-                #TODO(wwolf) get correct value for these
-                "updated": "2011-07-18T11:30:00Z",
-            },
-            {
-                "id": "v1.0",
-                "status": "DEPRECATED",
-                #TODO(wwolf) get correct value for these
-                "updated": "2010-10-09T11:30:00Z",
-            },
-        ]
-
         builder = nova.api.openstack.views.versions.get_view_builder(request)
-        versions = [builder.build(version) for version in version_objs]
-        return dict(versions=versions)
+        if request.path == '/':
+            # List Versions
+            return builder.build_versions(VERSIONS)
+        else:
+            # Versions Multiple Choice
+            return builder.build_choices(VERSIONS, request)
+
+
+class VersionV10(object):
+    def show(self, req):
+        builder = nova.api.openstack.views.versions.get_view_builder(req)
+        return builder.build_version(VERSIONS['v1.0'])
+
+
+class VersionV11(object):
+    def show(self, req):
+        builder = nova.api.openstack.views.versions.get_view_builder(req)
+        return builder.build_version(VERSIONS['v1.1'])
+
+
+class VersionsRequestDeserializer(wsgi.RequestDeserializer):
+    def get_expected_content_type(self, request):
+        supported_content_types = list(self.supported_content_types)
+        if request.path != '/':
+            # Remove atom+xml accept type for 300 responses
+            if 'application/atom+xml' in supported_content_types:
+                supported_content_types.remove('application/atom+xml')
+
+        return request.best_match_content_type(supported_content_types)
+
+    def get_action_args(self, request_environment):
+        """Parse dictionary created by routes library."""
+        args = {}
+        if request_environment['PATH_INFO'] == '/':
+            args['action'] = 'index'
+        else:
+            args['action'] = 'multi'
+
+        return args
 
 
 class VersionsXMLSerializer(wsgi.XMLDictSerializer):
-    def _versions_to_xml(self, versions):
-        root = self._xml_doc.createElement('versions')
+    #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_version_node(self, version):
+    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'])
-        version_node.setAttribute('updated', version['updated'])
+        if 'updated' in version:
+            version_node.setAttribute('updated', version['updated'])
+
+        if 'media-types' in version:
+            media_types = self._create_media_types(version['media-types'])
+            version_node.appendChild(media_types)
 
-        for link in version['links']:
-            link_node = self._xml_doc.createElement('atom:link')
-            link_node.setAttribute('rel', link['rel'])
-            link_node.setAttribute('href', link['href'])
-            version_node.appendChild(link_node)
+        link_nodes = self._create_link_nodes(self._xml_doc, version['links'])
+        for link in link_nodes:
+            version_node.appendChild(link)
 
         return version_node
 
-    def default(self, data):
+    def index(self, data):
         self._xml_doc = minidom.Document()
         node = self._versions_to_xml(data['versions'])
 
         return self.to_xml_string(node)
 
+    def show(self, data):
+        self._xml_doc = minidom.Document()
+        node = self._create_version_node(data['version'], True)
+
+        return self.to_xml_string(node)
+
+    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)
+
 
 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')
+
     def __init__(self, metadata=None, xmlns=None):
+        self.metadata = metadata or {}
         if not xmlns:
-            self.xmlns = ATOM_XMLNS
+            self.xmlns = wsgi.XMLNS_ATOM
         else:
             self.xmlns = xmlns
 
@@ -135,8 +269,33 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
         link_href = link_href.rstrip('/')
         return link_href.rsplit('/', 1)[0] + '/'
 
-    def _create_meta(self, root, versions):
-        title = self._create_text_elem('title', 'Available API Versions',
+    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)
+
+        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)
@@ -144,6 +303,7 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
 
         base_url = self._get_base_url(versions[0]['links'][0]['href'])
         id = self._create_text_elem('id', base_url)
+
         link = self._xml_doc.createElement('link')
         link.setAttribute('rel', 'self')
         link.setAttribute('href', base_url)
@@ -178,7 +338,10 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
                 link_node = self._xml_doc.createElement('link')
                 link_node.setAttribute('rel', link['rel'])
                 link_node.setAttribute('href', link['href'])
-            entry.appendChild(link_node)
+                if 'type' in link:
+                    link_node.setAttribute('type', link['type'])
+
+                entry.appendChild(link_node)
 
             content = self._create_text_elem('content',
                 'Version %s %s (%s)' %
@@ -190,10 +353,45 @@ class VersionsAtomSerializer(wsgi.XMLDictSerializer):
             entry.appendChild(content)
             root.appendChild(entry)
 
-    def default(self, data):
+    def index(self, data):
         self._xml_doc = minidom.Document()
         node = self._xml_doc.createElementNS(self.xmlns, 'feed')
-        self._create_meta(node, data['versions'])
+        self._create_list_meta(node, data['versions'])
         self._create_version_entries(node, data['versions'])
 
         return self.to_xml_string(node)
+
+    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)
+
+
+class VersionsHeadersSerializer(wsgi.ResponseHeadersSerializer):
+    def multi(self, response, data):
+        response.status_int = 300
+
+
+def create_resource(version='1.0'):
+    controller = {
+        '1.0': VersionV10,
+        '1.1': VersionV11,
+    }[version]()
+
+    body_serializers = {
+        'application/xml': VersionsXMLSerializer(),
+        'application/atom+xml': VersionsAtomSerializer(),
+    }
+    serializer = wsgi.ResponseSerializer(body_serializers)
+
+    supported_content_types = ('application/json',
+                               'application/xml',
+                               'application/atom+xml')
+    deserializer = wsgi.RequestDeserializer(
+        supported_content_types=supported_content_types)
+
+    return wsgi.Resource(controller, serializer=serializer,
+                         deserializer=deserializer)
diff --git a/nova/api/openstack/views/servers.py b/nova/api/openstack/views/servers.py
index c96e14553..64be00f86 100644
--- a/nova/api/openstack/views/servers.py
+++ b/nova/api/openstack/views/servers.py
@@ -15,6 +15,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import datetime
 import hashlib
 import os
 
@@ -136,8 +137,8 @@ class ViewBuilderV11(ViewBuilder):
 
     def _build_detail(self, inst):
         response = super(ViewBuilderV11, self)._build_detail(inst)
-        response['server']['created'] = inst['created_at']
-        response['server']['updated'] = inst['updated_at']
+        response['server']['created'] = utils.isotime(inst['created_at'])
+        response['server']['updated'] = utils.isotime(inst['updated_at'])
         if 'status' in response['server']:
             if response['server']['status'] == "ACTIVE":
                 response['server']['progress'] = 100
diff --git a/nova/api/openstack/views/versions.py b/nova/api/openstack/views/versions.py
index 9fa8f49dc..547289034 100644
--- a/nova/api/openstack/views/versions.py
+++ b/nova/api/openstack/views/versions.py
@@ -15,6 +15,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import copy
 import os
 
 
@@ -31,16 +32,44 @@ class ViewBuilder(object):
         """
         self.base_url = base_url
 
-    def build(self, version_data):
-        """Generic method used to generate a version entity."""
-        version = {
-            "id": version_data["id"],
-            "status": version_data["status"],
-            "updated": version_data["updated"],
-            "links": self._build_links(version_data),
-        }
+    def build_choices(self, VERSIONS, req):
+        version_objs = []
+        for version in VERSIONS:
+            version = VERSIONS[version]
+            version_objs.append({
+                "id": version['id'],
+                "status": version['status'],
+                "links": [
+                    {
+                        "rel": "self",
+                        "href": self.generate_href(version['id'], req.path)
+                    }
+                ],
+                "media-types": version['media-types']
+            })
 
-        return version
+        return dict(choices=version_objs)
+
+    def build_versions(self, versions):
+        version_objs = []
+        for version in versions:
+            version = versions[version]
+            version_objs.append({
+                "id": version['id'],
+                "status": version['status'],
+                "updated": version['updated'],
+                "links": self._build_links(version),
+            })
+
+        return dict(versions=version_objs)
+
+    def build_version(self, version):
+        reval = copy.deepcopy(version)
+        reval['links'].insert(0, {
+            "rel": "self",
+            "href": self.base_url.rstrip('/') + '/',
+        })
+        return dict(version=reval)
 
     def _build_links(self, version_data):
         """Generate a container of links that refer to the provided version."""
@@ -55,6 +84,11 @@ class ViewBuilder(object):
 
         return links
 
-    def generate_href(self, version_number):
+    def generate_href(self, version_number, path=None):
         """Create an url that refers to a specific version_number."""
-        return os.path.join(self.base_url, version_number) + '/'
+        version_number = version_number.strip('/')
+        if path:
+            path = path.strip('/')
+            return os.path.join(self.base_url, version_number, path)
+        else:
+            return os.path.join(self.base_url, version_number) + '/'
diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py
index a28443d12..0eb47044e 100644
--- a/nova/api/openstack/wsgi.py
+++ b/nova/api/openstack/wsgi.py
@@ -13,6 +13,7 @@ from nova import wsgi
 
 XMLNS_V10 = 'http://docs.rackspacecloud.com/servers/api/v1.0'
 XMLNS_V11 = 'http://docs.openstack.org/compute/api/v1.1'
+
 XMLNS_ATOM = 'http://www.w3.org/2005/Atom'
 
 LOG = logging.getLogger('nova.api.openstack.wsgi')
@@ -165,12 +166,11 @@ class MetadataXMLDeserializer(XMLDeserializer):
 
     def extract_metadata(self, metadata_node):
         """Marshal the metadata attribute of a parsed request"""
-        if metadata_node is None:
-            return None
         metadata = {}
-        for meta_node in self.find_children_named(metadata_node, "meta"):
-            key = meta_node.getAttribute("key")
-            metadata[key] = self.extract_text(meta_node)
+        if metadata_node is not None:
+            for meta_node in self.find_children_named(metadata_node, "meta"):
+                key = meta_node.getAttribute("key")
+                metadata[key] = self.extract_text(meta_node)
         return metadata
 
 
@@ -387,6 +387,8 @@ class XMLDictSerializer(DictSerializer):
             link_node = xml_doc.createElement('atom:link')
             link_node.setAttribute('rel', link['rel'])
             link_node.setAttribute('href', link['href'])
+            if 'type' in link:
+                link_node.setAttribute('type', link['type'])
             link_nodes.append(link_node)
         return link_nodes