# 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. """ This module is a special module to define functions or other resources which need to be imported outside of openstack_dashboard.api.nova (like cinder.py) to avoid cyclic imports. """ from django.conf import settings from glanceclient import exc as glance_exceptions from novaclient import api_versions from novaclient import client as nova_client from horizon import exceptions as horizon_exceptions from horizon.utils import memoized from openstack_dashboard.api import base from openstack_dashboard.api import glance from openstack_dashboard.api import microversions from openstack_dashboard.contrib.developer.profiler import api as profiler # Supported compute versions VERSIONS = base.APIVersionManager("compute", preferred_version=2) VERSIONS.load_supported_version(1.1, {"client": nova_client, "version": 1.1}) VERSIONS.load_supported_version(2, {"client": nova_client, "version": 2}) INSECURE = settings.OPENSTACK_SSL_NO_VERIFY CACERT = settings.OPENSTACK_SSL_CACERT class Server(base.APIResourceWrapper): """Simple wrapper around novaclient.server.Server. Preserves the request info so image name can later be retrieved. """ _attrs = ['addresses', 'attrs', 'id', 'image', 'links', 'description', 'metadata', 'name', 'private_ip', 'public_ip', 'status', 'uuid', 'image_name', 'VirtualInterfaces', 'flavor', 'key_name', 'fault', 'tenant_id', 'user_id', 'created', 'locked', 'OS-EXT-STS:power_state', 'OS-EXT-STS:task_state', 'OS-EXT-SRV-ATTR:instance_name', 'OS-EXT-SRV-ATTR:host', 'OS-EXT-SRV-ATTR:hostname', 'OS-EXT-SRV-ATTR:kernel_id', 'OS-EXT-SRV-ATTR:ramdisk_id', 'OS-EXT-SRV-ATTR:root_device_name', 'OS-EXT-SRV-ATTR:root_device_name', 'OS-EXT-SRV-ATTR:user_data', 'OS-EXT-SRV-ATTR:reservation_id', 'OS-EXT-SRV-ATTR:launch_index', 'OS-EXT-AZ:availability_zone', 'OS-DCF:diskConfig'] def __init__(self, apiresource, request): super(Server, self).__init__(apiresource) self.request = request # TODO(gabriel): deprecate making a call to Glance as a fallback. @property def image_name(self): if not self.image: return None if hasattr(self.image, 'name'): return self.image.name if 'name' in self.image: return self.image['name'] try: image = glance.image_get(self.request, self.image['id']) self.image['name'] = image.name return image.name except (glance_exceptions.ClientException, horizon_exceptions.ServiceCatalogException): self.image['name'] = None return None @property def availability_zone(self): return getattr(self, 'OS-EXT-AZ:availability_zone', "") @property def has_extended_attrs(self): return any(getattr(self, attr) for attr in [ 'OS-EXT-SRV-ATTR:instance_name', 'OS-EXT-SRV-ATTR:host', 'OS-EXT-SRV-ATTR:hostname', 'OS-EXT-SRV-ATTR:kernel_id', 'OS-EXT-SRV-ATTR:ramdisk_id', 'OS-EXT-SRV-ATTR:root_device_name', 'OS-EXT-SRV-ATTR:root_device_name', 'OS-EXT-SRV-ATTR:user_data', 'OS-EXT-SRV-ATTR:reservation_id', 'OS-EXT-SRV-ATTR:launch_index', ]) @property def internal_name(self): return getattr(self, 'OS-EXT-SRV-ATTR:instance_name', "") @property def host_server(self): return getattr(self, 'OS-EXT-SRV-ATTR:host', "") @property def instance_name(self): return getattr(self, 'OS-EXT-SRV-ATTR:instance_name', "") @property def reservation_id(self): return getattr(self, 'OS-EXT-SRV-ATTR:reservation_id', "") @property def launch_index(self): return getattr(self, 'OS-EXT-SRV-ATTR:launch_index', "") @property def hostname(self): return getattr(self, 'OS-EXT-SRV-ATTR:hostname', "") @property def kernel_id(self): return getattr(self, 'OS-EXT-SRV-ATTR:kernel_id', "") @property def ramdisk_id(self): return getattr(self, 'OS-EXT-SRV-ATTR:ramdisk_id', "") @property def root_device_name(self): return getattr(self, 'OS-EXT-SRV-ATTR:root_device_name', "") @property def user_data(self): return getattr(self, 'OS-EXT-SRV-ATTR:user_data', "") @memoized.memoized def get_microversion(request, features): client = novaclient(request) min_ver, max_ver = api_versions._get_server_version_range(client) return (microversions.get_microversion_for_features( 'nova', features, api_versions.APIVersion, min_ver, max_ver)) def get_auth_params_from_request(request): """Extracts properties needed by novaclient call from the request object. These will be used to memoize the calls to novaclient. """ return ( request.user.username, request.user.token.id, request.user.tenant_id, request.user.token.project.get('domain_id'), base.url_for(request, 'compute'), base.url_for(request, 'identity') ) @memoized.memoized def cached_novaclient(request, version=None): ( username, token_id, project_id, project_domain_id, nova_url, auth_url ) = get_auth_params_from_request(request) if version is None: version = VERSIONS.get_active_version()['version'] c = nova_client.Client(version, username, token_id, project_id=project_id, project_domain_id=project_domain_id, auth_url=auth_url, insecure=INSECURE, cacert=CACERT, http_log_debug=settings.DEBUG, auth_token=token_id, endpoint_override=nova_url) return c def novaclient(request, version=None): if isinstance(version, api_versions.APIVersion): version = version.get_string() return cached_novaclient(request, version) def get_novaclient_with_instance_desc(request): microversion = get_microversion(request, "instance_description") return novaclient(request, version=microversion) @profiler.trace def server_get(request, instance_id): return Server(get_novaclient_with_instance_desc(request).servers.get( instance_id), request)