示例#1
0
    def snapshot(self, context, instance, image_id, update_task_state):

        (image_service,
         image_id) = glance.get_remote_image_service(context, image_id)

        update_task_state(task_state=task_states.IMAGE_PENDING_UPLOAD)

        try:
            self._hypervisor.guest_capture(instance.name, image_id)
        except Exception as err:
            with excutils.save_and_reraise_exception():
                LOG.error(
                    "Failed to capture the instance "
                    "to generate an image with reason: %(err)s", {'err': err},
                    instance=instance)
                # Clean up the image from glance
                image_service.delete(context, image_id)

        # Export the image to nova-compute server temporary
        image_path = os.path.join(os.path.normpath(CONF.zvm.image_tmp_path),
                                  image_id)
        dest_path = "file://" + image_path
        try:
            resp = self._hypervisor.image_export(image_id, dest_path)
        except Exception:
            with excutils.save_and_reraise_exception():
                LOG.error(
                    "Failed to export image %s from SDK server to "
                    "nova compute server", image_id)
                image_service.delete(context, image_id)
                self._hypervisor.image_delete(image_id)

        # Save image to glance
        new_image_meta = {
            'status': 'active',
            'properties': {
                'image_location': 'snapshot',
                'image_state': 'available',
                'owner_id': instance['project_id'],
                'os_distro': resp['os_version'],
                'architecture': obj_fields.Architecture.S390X,
                'hypervisor_type': obj_fields.HVType.ZVM,
            },
            'disk_format': 'raw',
            'container_format': 'bare',
        }
        update_task_state(task_state=task_states.IMAGE_UPLOADING,
                          expected_state=task_states.IMAGE_PENDING_UPLOAD)

        # Save the image to glance
        try:
            with open(image_path, 'r') as image_file:
                image_service.update(context,
                                     image_id,
                                     new_image_meta,
                                     image_file,
                                     purge_props=False)
        except Exception:
            with excutils.save_and_reraise_exception():
                image_service.delete(context, image_id)
        finally:
            zvmutils.clean_up_file(image_path)
            self._hypervisor.image_delete(image_id)

        LOG.debug("Snapshot image upload complete", instance=instance)
示例#2
0
文件: driver.py 项目: mahak/nova
    def snapshot(self, context, instance, image_id, update_task_state):

        (image_service, image_id) = glance.get_remote_image_service(
                                                    context, image_id)

        update_task_state(task_state=task_states.IMAGE_PENDING_UPLOAD)

        try:
            self._hypervisor.guest_capture(instance.name, image_id)
        except Exception as err:
            with excutils.save_and_reraise_exception():
                LOG.error("Failed to capture the instance "
                          "to generate an image with reason: %(err)s",
                          {'err': err}, instance=instance)
                # Clean up the image from glance
                image_service.delete(context, image_id)

        # Export the image to nova-compute server temporary
        image_path = os.path.join(os.path.normpath(
                            CONF.zvm.image_tmp_path), image_id)
        dest_path = "file://" + image_path
        try:
            resp = self._hypervisor.image_export(image_id, dest_path)
        except Exception:
            with excutils.save_and_reraise_exception():
                LOG.error("Failed to export image %s from SDK server to "
                          "nova compute server", image_id)
                image_service.delete(context, image_id)
                self._hypervisor.image_delete(image_id)

        # Save image to glance
        new_image_meta = {
            'status': 'active',
            'properties': {
                 'image_location': 'snapshot',
                 'image_state': 'available',
                 'owner_id': instance['project_id'],
                 'os_distro': resp['os_version'],
                 'architecture': obj_fields.Architecture.S390X,
                 'hypervisor_type': obj_fields.HVType.ZVM,
            },
            'disk_format': 'raw',
            'container_format': 'bare',
        }
        update_task_state(task_state=task_states.IMAGE_UPLOADING,
                          expected_state=task_states.IMAGE_PENDING_UPLOAD)

        # Save the image to glance
        try:
            with open(image_path, 'r') as image_file:
                image_service.update(context,
                                     image_id,
                                     new_image_meta,
                                     image_file,
                                     purge_props=False)
        except Exception:
            with excutils.save_and_reraise_exception():
                image_service.delete(context, image_id)
        finally:
            zvmutils.clean_up_file(image_path)
            self._hypervisor.image_delete(image_id)

        LOG.debug("Snapshot image upload complete", instance=instance)