trunk merge

7 files changed, 172 insertions, 58 deletions

diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py
index 9aaf37a2d..5449be403 100644
--- a/nova/api/ec2/cloud.py
+++ b/nova/api/ec2/cloud.py
@@ -86,8 +86,7 @@ class CloudController(object):
         self.volume_api = volume.API()
         self.compute_api = compute.API(
                 network_api=self.network_api,
-                volume_api=self.volume_api,
-                hostname_factory=ec2utils.id_to_ec2_id)
+                volume_api=self.volume_api)
         self.setup()
 
     def __str__(self):
@@ -152,7 +151,7 @@ class CloudController(object):
 
         # This ensures that all attributes of the instance
         # are populated.
-        instance_ref = db.instance_get(ctxt, instance_ref['id'])
+        instance_ref = db.instance_get(ctxt, instance_ref[0]['id'])
 
         mpi = self._get_mpi_data(ctxt, instance_ref['project_id'])
         if instance_ref['key_name']:
diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py
index 4da7ec0ef..aa8911b62 100644
--- a/nova/api/openstack/common.py
+++ b/nova/api/openstack/common.py
@@ -45,23 +45,20 @@ def get_pagination_params(request):
                     exc.HTTPBadRequest() exceptions to be raised.
 
     """
-    try:
-        marker = int(request.GET.get('marker', 0))
-    except ValueError:
-        raise webob.exc.HTTPBadRequest(_('marker param must be an integer'))
-
-    try:
-        limit = int(request.GET.get('limit', 0))
-    except ValueError:
-        raise webob.exc.HTTPBadRequest(_('limit param must be an integer'))
-
-    if limit < 0:
-        raise webob.exc.HTTPBadRequest(_('limit param must be positive'))
-
-    if marker < 0:
-        raise webob.exc.HTTPBadRequest(_('marker param must be positive'))
-
-    return(marker, limit)
+    params = {}
+    for param in ['marker', 'limit']:
+        if not param in request.GET:
+            continue
+        try:
+            params[param] = int(request.GET[param])
+        except ValueError:
+            msg = _('%s param must be an integer') % param
+            raise webob.exc.HTTPBadRequest(msg)
+        if params[param] < 0:
+            msg = _('%s param must be positive') % param
+            raise webob.exc.HTTPBadRequest(msg)
+
+    return params
 
 
 def limited(items, request, max_limit=FLAGS.osapi_max_limit):
@@ -100,10 +97,10 @@ def limited(items, request, max_limit=FLAGS.osapi_max_limit):
 
 def limited_by_marker(items, request, max_limit=FLAGS.osapi_max_limit):
     """Return a slice of items according to the requested marker and limit."""
-    (marker, limit) = get_pagination_params(request)
+    params = get_pagination_params(request)
 
-    if limit == 0:
-        limit = max_limit
+    limit = params.get('limit', max_limit)
+    marker = params.get('marker')
 
     limit = min(max_limit, limit)
     start_index = 0
diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py
index 436e524c1..1066713a3 100644
--- a/nova/api/openstack/create_instance_helper.py
+++ b/nova/api/openstack/create_instance_helper.py
@@ -114,6 +114,15 @@ class CreateInstanceHelper(object):
         name = name.strip()
 
         reservation_id = body['server'].get('reservation_id')
+        min_count = body['server'].get('min_count')
+        max_count = body['server'].get('max_count')
+        # min_count and max_count are optional.  If they exist, they come
+        # in as strings.  We want to default 'min_count' to 1, and default
+        # 'max_count' to be 'min_count'.
+        min_count = int(min_count) if min_count else 1
+        max_count = int(max_count) if max_count else min_count
+        if min_count > max_count:
+            min_count = max_count
 
         try:
             inst_type = \
@@ -137,7 +146,9 @@ class CreateInstanceHelper(object):
                                   injected_files=injected_files,
                                   admin_password=password,
                                   zone_blob=zone_blob,
-                                  reservation_id=reservation_id))
+                                  reservation_id=reservation_id,
+                                  min_count=min_count,
+                                  max_count=max_count))
         except quota.QuotaError as error:
             self._handle_quota_error(error)
         except exception.ImageNotFound as error:
diff --git a/nova/api/openstack/image_metadata.py b/nova/api/openstack/image_metadata.py
index c0e92f2fc..638b1ec15 100644
--- a/nova/api/openstack/image_metadata.py
+++ b/nova/api/openstack/image_metadata.py
@@ -112,18 +112,18 @@ class Controller(object):
 
 
 class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer):
-    def __init__(self):
-        xmlns = wsgi.XMLNS_V11
+    def __init__(self, xmlns=wsgi.XMLNS_V11):
         super(ImageMetadataXMLSerializer, self).__init__(xmlns=xmlns)
 
     def _meta_item_to_xml(self, doc, key, value):
         node = doc.createElement('meta')
-        node.setAttribute('key', key)
-        text = doc.createTextNode(value)
+        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):
+    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)
@@ -133,9 +133,10 @@ class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer):
     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)
+        container_node = self.meta_list_to_xml(xml_doc, items)
+        xml_doc.appendChild(container_node)
         self._add_xmlns(container_node)
-        return container_node.toprettyxml(indent='    ')
+        return xml_doc.toprettyxml(indent='    ', encoding='UTF-8')
 
     def index(self, metadata_dict):
         return self._meta_list_to_xml_string(metadata_dict)
@@ -147,8 +148,9 @@ class ImageMetadataXMLSerializer(wsgi.XMLDictSerializer):
         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 item_node.toprettyxml(indent='    ')
+        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'])
diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py
index d43340e10..bde9507c8 100644
--- a/nova/api/openstack/images.py
+++ b/nova/api/openstack/images.py
@@ -16,6 +16,7 @@
 import os.path
 
 import webob.exc
+from xml.dom import minidom
 
 from nova import compute
 from nova import exception
@@ -25,6 +26,7 @@ from nova import log
 from nova import utils
 from nova.api.openstack import common
 from nova.api.openstack import faults
+from nova.api.openstack import image_metadata
 from nova.api.openstack.views import images as images_view
 from nova.api.openstack import wsgi
 
@@ -90,31 +92,67 @@ class Controller(object):
         return webob.exc.HTTPNoContent()
 
     def create(self, req, body):
-        """Snapshot a server instance and save the image.
+        """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)
-            image_name = body["image"]["name"]
         except KeyError:
             raise webob.exc.HTTPBadRequest()
 
+        image_name = get_param("name")
         props = self._get_extra_properties(req, body)
 
-        image = self._compute_service.snapshot(context, server_id,
-                                               image_name, props)
+        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
+        raise NotImplementedError()
 
     def _server_id_from_req(self, req, data):
         raise NotImplementedError()
@@ -181,9 +219,9 @@ class ControllerV11(Controller):
         """
         context = req.environ['nova.context']
         filters = self._get_filters(req)
-        (marker, limit) = common.get_pagination_params(req)
-        images = self._image_service.index(
-            context, filters=filters, marker=marker, limit=limit)
+        page_params = common.get_pagination_params(req)
+        images = self._image_service.index(context, filters=filters,
+                                           **page_params)
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=False) for image in images])
 
@@ -195,9 +233,9 @@ class ControllerV11(Controller):
         """
         context = req.environ['nova.context']
         filters = self._get_filters(req)
-        (marker, limit) = common.get_pagination_params(req)
-        images = self._image_service.detail(
-            context, filters=filters, marker=marker, limit=limit)
+        page_params = common.get_pagination_params(req)
+        images = self._image_service.detail(context, filters=filters,
+                                            **page_params)
         builder = self.get_builder(req).build
         return dict(images=[builder(image, detail=True) for image in images])
 
@@ -224,17 +262,69 @@ class ControllerV11(Controller):
         return {'instance_ref': server_ref}
 
 
+class ImageXMLSerializer(wsgi.XMLDictSerializer):
+
+    metadata = {
+        "attributes": {
+            "image": ["id", "name", "updated", "created", "status",
+                      "serverId", "progress", "serverRef"],
+            "link": ["rel", "type", "href"],
+        },
+    }
+
+    xmlns = wsgi.XMLNS_V11
+
+    def __init__(self):
+        self.metadata_serializer = image_metadata.ImageMetadataXMLSerializer()
+
+    def _image_to_xml(self, xml_doc, image):
+        try:
+            metadata = image.pop('metadata').items()
+        except Exception:
+            LOG.debug(_("Image object missing metadata attribute"))
+            metadata = {}
+
+        node = self._to_xml_node(xml_doc, self.metadata, 'image', image)
+        metadata_node = self.metadata_serializer.meta_list_to_xml(xml_doc,
+                                                                  metadata)
+        node.appendChild(metadata_node)
+        return node
+
+    def _image_list_to_xml(self, xml_doc, images):
+        container_node = xml_doc.createElement('images')
+        for image in images:
+            item_node = self._image_to_xml(xml_doc, image)
+            container_node.appendChild(item_node)
+        return container_node
+
+    def _image_to_xml_string(self, image):
+        xml_doc = minidom.Document()
+        item_node = self._image_to_xml(xml_doc, image)
+        self._add_xmlns(item_node)
+        return item_node.toprettyxml(indent='    ')
+
+    def _image_list_to_xml_string(self, images):
+        xml_doc = minidom.Document()
+        container_node = self._image_list_to_xml(xml_doc, images)
+        self._add_xmlns(container_node)
+        return container_node.toprettyxml(indent='    ')
+
+    def detail(self, images_dict):
+        return self._image_list_to_xml_string(images_dict['images'])
+
+    def show(self, image_dict):
+        return self._image_to_xml_string(image_dict['image'])
+
+    def create(self, image_dict):
+        return self._image_to_xml_string(image_dict['image'])
+
+
 def create_resource(version='1.0'):
     controller = {
         '1.0': ControllerV10,
         '1.1': ControllerV11,
     }[version]()
 
-    xmlns = {
-        '1.0': wsgi.XMLNS_V10,
-        '1.1': wsgi.XMLNS_V11,
-    }[version]
-
     metadata = {
         "attributes": {
             "image": ["id", "name", "updated", "created", "status",
@@ -243,9 +333,13 @@ def create_resource(version='1.0'):
         },
     }
 
+    xml_serializer = {
+        '1.0': wsgi.XMLDictSerializer(metadata, wsgi.XMLNS_V10),
+        '1.1': ImageXMLSerializer(),
+    }[version]
+
     serializers = {
-        'application/xml': wsgi.XMLDictSerializer(xmlns=xmlns,
-                                                  metadata=metadata),
+        'application/xml': xml_serializer,
     }
 
     return wsgi.Resource(controller, serializers=serializers)
diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py
index b82a6de19..fc1ab8d46 100644
--- a/nova/api/openstack/servers.py
+++ b/nova/api/openstack/servers.py
@@ -76,10 +76,17 @@ class Controller(object):
 
         builder - the response model builder
         """
-        reservation_id = req.str_GET.get('reservation_id')
+        query_str = req.str_GET
+        reservation_id = query_str.get('reservation_id')
+        project_id = query_str.get('project_id')
+        fixed_ip = query_str.get('fixed_ip')
+        recurse_zones = utils.bool_from_str(query_str.get('recurse_zones'))
         instance_list = self.compute_api.get_all(
-                                            req.environ['nova.context'],
-                                            reservation_id=reservation_id)
+                req.environ['nova.context'],
+                reservation_id=reservation_id,
+                project_id=project_id,
+                fixed_ip=fixed_ip,
+                recurse_zones=recurse_zones)
         limited_list = self._limit_items(instance_list, req)
         builder = self._get_view_builder(req)
         servers = [builder.build(inst, is_detail)['server']
@@ -111,14 +118,15 @@ class Controller(object):
         extra_values = None
         result = None
         try:
-            extra_values, result = self.helper.create_instance(
-                                    req, body, self.compute_api.create)
+            extra_values, instances = self.helper.create_instance(
+                    req, body, self.compute_api.create)
         except faults.Fault, f:
             return f
 
-        instances = result
-
-        (inst, ) = instances
+        # We can only return 1 instance via the API, if we happen to
+        # build more than one...  instances is a list, so we'll just
+        # use the first one..
+        inst = instances[0]
         for key in ['instance_type', 'image_ref']:
             inst[key] = extra_values[key]
 
diff --git a/nova/api/openstack/views/images.py b/nova/api/openstack/views/images.py
index d6a054102..8d2303bcd 100644
--- a/nova/api/openstack/views/images.py
+++ b/nova/api/openstack/views/images.py
@@ -105,6 +105,9 @@ class ViewBuilderV11(ViewBuilder):
         image = ViewBuilder.build(self, image_obj, detail)
         href = self.generate_href(image_obj["id"])
 
+        if detail:
+            image["metadata"] = image_obj.get("properties", {})
+
         image["links"] = [{
             "rel": "self",
             "href": href,