diff options
Diffstat (limited to 'nova/api')
| -rw-r--r-- | nova/api/openstack/create_instance_helper.py | 81 | ||||
| -rw-r--r-- | nova/api/openstack/servers.py | 63 | ||||
| -rw-r--r-- | nova/api/openstack/wsgi.py | 21 |
3 files changed, 139 insertions, 26 deletions
diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py index 2654e3c40..eea973a56 100644 --- a/nova/api/openstack/create_instance_helper.py +++ b/nova/api/openstack/create_instance_helper.py @@ -180,7 +180,7 @@ 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()) @@ -295,9 +295,15 @@ class ServerXMLDeserializer(wsgi.XMLDeserializer): """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"]: + for attr in ["name", "imageId", "flavorId"]: if server_node.getAttribute(attr): server[attr] = server_node.getAttribute(attr) + image = self._extract_image(server_node) + if image is not None: + server["image"] = image + flavor = self._extract_flavor(server_node) + if flavor is not None: + server["flavor"] = flavor metadata = self._extract_metadata(server_node) if metadata is not None: server["metadata"] = metadata @@ -306,6 +312,56 @@ class ServerXMLDeserializer(wsgi.XMLDeserializer): server["personality"] = personality return server + def _extract_image(self, server_node): + """Retrieve an image entity from the server node""" + image_node = self._find_first_child_named(server_node, "image") + if image_node is None: + return None + + image = {} + image_id = image_node.getAttribute('id') + if image_id: + image['id'] = image_id + + image_links = self._extract_links_from_node(image_node) + if len(image_links) > 0: + image['links'] = image_links + + return image + + def _extract_flavor(self, server_node): + """Retrieve a flavor entity from the server node""" + flavor_node = self._find_first_child_named(server_node, "flavor") + if flavor_node is None: + return None + + flavor = {} + flavor_id = flavor_node.getAttribute('id') + if flavor_id: + flavor['id'] = flavor_id + + flavor_links = self._extract_links_from_node(flavor_node) + if len(flavor_links) > 0: + flavor['links'] = flavor_links + + return flavor + + def _extract_links_from_node(self, parent_node): + """Retrieve link entities from a links container provided node""" + links = [] + + for link_node in self._find_children_named(parent_node, 'atom:link'): + link = {} + link_rel = link_node.getAttribute('rel') + if link_rel is not None: + link['rel'] = link_rel + link_href = link_node.getAttribute('href') + if link_href is not None: + link['href'] = link_href + links.append(link) + + return links + def _extract_metadata(self, server_node): """Marshal the metadata attribute of a parsed request""" metadata_node = self._find_first_child_named(server_node, "metadata") @@ -331,24 +387,3 @@ class ServerXMLDeserializer(wsgi.XMLDeserializer): item["contents"] = self._extract_text(file_node) personality.append(item) return personality - - def _find_first_child_named(self, parent, name): - """Search a nodes children for the first child with a given name""" - for node in parent.childNodes: - if node.nodeName == name: - return node - return None - - def _find_children_named(self, parent, name): - """Return all of a nodes children who have the given name""" - for node in parent.childNodes: - if node.nodeName == name: - yield node - - def _extract_text(self, node): - """Get the text field contained by the given node""" - if len(node.childNodes) == 1: - child = node.childNodes[0] - if child.nodeType == child.TEXT_NODE: - return child.nodeValue - return "" diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 12af44a8d..f239044ff 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -492,11 +492,68 @@ class ControllerV11(Controller): return faults.Fault(exc.HTTPNotFound()) def _image_ref_from_req_data(self, data): - return data['server']['imageRef'] + try: + image = data['server']['image'] + except (AttributeError, KeyError): + msg = _("Missing image entity") + raise exc.HTTPBadRequest(explanation=msg) + + try: + links = image.get('links', []) + except AttributeError: + msg = _("Malformed image entity") + raise exc.HTTPBadRequest(explanation=msg) + + image_ref = None + for link in links: + try: + if link.get('rel') == 'bookmark': + image_ref = link.get('href') + break + except AttributeError: + msg = _("Malformed image link") + raise exc.HTTPBadRequest(explanation=msg) + + if image_ref is None: + try: + image_ref = image['id'] + except KeyError: + msg = _("Missing id attribute on image entity") + raise exc.HTTPBadRequest(explanation=msg) + + return image_ref def _flavor_id_from_req_data(self, data): - href = data['server']['flavorRef'] - return common.get_id_from_href(href) + try: + flavor = data['server']['flavor'] + except (AttributeError, KeyError): + msg = _("Missing flavor entity") + raise exc.HTTPBadRequest(explanation=msg) + + try: + links = flavor.get('links', []) + except AttributeError: + msg = _("Malformed flavor entity") + raise exc.HTTPBadRequest(explanation=msg) + + flavor_ref = None + for link in links: + try: + if link.get('rel') == 'bookmark': + flavor_ref = link.get('href') + break + except AttributeError: + msg = _("Malformed flavor link") + raise exc.HTTPBadRequest(explanation=msg) + + if flavor_ref is None: + try: + return flavor['id'] + except (KeyError, AttributeError): + msg = _("Missing id attribute in flavor entity") + raise exc.HTTPBadRequest(explanation=msg) + else: + return common.get_id_from_href(flavor_ref) def _get_view_builder(self, req): base_url = req.application_url diff --git a/nova/api/openstack/wsgi.py b/nova/api/openstack/wsgi.py index 8eff9e441..0ece2cff0 100644 --- a/nova/api/openstack/wsgi.py +++ b/nova/api/openstack/wsgi.py @@ -134,6 +134,27 @@ class XMLDeserializer(TextDeserializer): listnames) return result + def _find_first_child_named(self, parent, name): + """Search a nodes children for the first child with a given name""" + for node in parent.childNodes: + if node.nodeName == name: + return node + return None + + def _find_children_named(self, parent, name): + """Return all of a nodes children who have the given name""" + for node in parent.childNodes: + if node.nodeName == name: + yield node + + def _extract_text(self, node): + """Get the text field contained by the given node""" + if len(node.childNodes) == 1: + child = node.childNodes[0] + if child.nodeType == child.TEXT_NODE: + return child.nodeValue + return "" + def default(self, datastring): return {'body': self._from_xml(datastring)} |