5669fc434a
Bootable Status is set to "True" automatically when user create a volume from a image. But user have to set bootable status manually when creating a bootable volume manually. blueprint add-bootable-option this commit is related to https://review.openstack.org/#/c/83691/ Change-Id: Ib6cdca15950fe86b4fb2a43cfc7338e28260e453
381 lines
15 KiB
Python
381 lines
15 KiB
Python
# Copyright 2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import webob
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from oslo import messaging
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from cinder.api import extensions
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from cinder.api.openstack import wsgi
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from cinder.api import xmlutil
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from cinder import exception
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from cinder.openstack.common import log as logging
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from cinder.openstack.common import strutils
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from cinder import utils
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from cinder import volume
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LOG = logging.getLogger(__name__)
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def authorize(context, action_name):
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action = 'volume_actions:%s' % action_name
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extensions.extension_authorizer('volume', action)(context)
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class VolumeToImageSerializer(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('os-volume_upload_image',
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selector='os-volume_upload_image')
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root.set('id')
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root.set('updated_at')
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root.set('status')
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root.set('display_description')
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root.set('size')
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root.set('volume_type')
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root.set('image_id')
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root.set('container_format')
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root.set('disk_format')
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root.set('image_name')
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return xmlutil.MasterTemplate(root, 1)
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class VolumeToImageDeserializer(wsgi.XMLDeserializer):
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"""Deserializer to handle xml-formatted requests."""
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def default(self, string):
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dom = utils.safe_minidom_parse_string(string)
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action_node = dom.childNodes[0]
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action_name = action_node.tagName
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action_data = {}
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attributes = ["force", "image_name", "container_format", "disk_format"]
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for attr in attributes:
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if action_node.hasAttribute(attr):
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action_data[attr] = action_node.getAttribute(attr)
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if 'force' in action_data and action_data['force'] == 'True':
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action_data['force'] = True
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return {'body': {action_name: action_data}}
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class VolumeActionsController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
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super(VolumeActionsController, self).__init__(*args, **kwargs)
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self.volume_api = volume.API()
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@wsgi.action('os-attach')
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def _attach(self, req, id, body):
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"""Add attachment metadata."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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# instance uuid is an option now
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instance_uuid = None
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if 'instance_uuid' in body['os-attach']:
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instance_uuid = body['os-attach']['instance_uuid']
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host_name = None
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# Keep API backward compatibility
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if 'host_name' in body['os-attach']:
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host_name = body['os-attach']['host_name']
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mountpoint = body['os-attach']['mountpoint']
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if 'mode' in body['os-attach']:
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mode = body['os-attach']['mode']
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else:
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mode = 'rw'
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if instance_uuid and host_name:
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msg = _("Invalid request to attach volume to an "
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"instance %(instance_uuid)s and a "
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"host %(host_name)s simultaneously") % {
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'instance_uuid': instance_uuid,
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'host_name': host_name,
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}
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raise webob.exc.HTTPBadRequest(explanation=msg)
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elif instance_uuid is None and host_name is None:
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msg = _("Invalid request to attach volume to an invalid target")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if mode not in ('rw', 'ro'):
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msg = _("Invalid request to attach volume with an invalid mode. "
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"Attaching mode should be 'rw' or 'ro'")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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self.volume_api.attach(context, volume,
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instance_uuid, host_name, mountpoint, mode)
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return webob.Response(status_int=202)
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@wsgi.action('os-detach')
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def _detach(self, req, id, body):
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"""Clear attachment metadata."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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self.volume_api.detach(context, volume)
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return webob.Response(status_int=202)
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@wsgi.action('os-reserve')
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def _reserve(self, req, id, body):
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"""Mark volume as reserved."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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self.volume_api.reserve_volume(context, volume)
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return webob.Response(status_int=202)
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@wsgi.action('os-unreserve')
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def _unreserve(self, req, id, body):
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"""Unmark volume as reserved."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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self.volume_api.unreserve_volume(context, volume)
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return webob.Response(status_int=202)
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@wsgi.action('os-begin_detaching')
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def _begin_detaching(self, req, id, body):
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"""Update volume status to 'detaching'."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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self.volume_api.begin_detaching(context, volume)
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return webob.Response(status_int=202)
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@wsgi.action('os-roll_detaching')
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def _roll_detaching(self, req, id, body):
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"""Roll back volume status to 'in-use'."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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self.volume_api.roll_detaching(context, volume)
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return webob.Response(status_int=202)
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@wsgi.action('os-initialize_connection')
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def _initialize_connection(self, req, id, body):
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"""Initialize volume attachment."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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try:
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connector = body['os-initialize_connection']['connector']
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except KeyError:
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raise webob.exc.HTTPBadRequest("Must specify 'connector'")
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try:
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info = self.volume_api.initialize_connection(context,
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volume,
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connector)
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except exception.VolumeBackendAPIException as error:
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msg = _("Unable to fetch connection information from backend.")
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raise webob.exc.HTTPInternalServerError(msg)
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return {'connection_info': info}
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@wsgi.action('os-terminate_connection')
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def _terminate_connection(self, req, id, body):
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"""Terminate volume attachment."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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try:
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connector = body['os-terminate_connection']['connector']
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except KeyError:
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raise webob.exc.HTTPBadRequest("Must specify 'connector'")
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try:
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self.volume_api.terminate_connection(context, volume, connector)
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except exception.VolumeBackendAPIException as error:
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msg = _("Unable to terminate volume connection from backend.")
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raise webob.exc.HTTPInternalServerError(explanation=msg)
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return webob.Response(status_int=202)
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@wsgi.response(202)
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@wsgi.action('os-volume_upload_image')
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@wsgi.serializers(xml=VolumeToImageSerializer)
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@wsgi.deserializers(xml=VolumeToImageDeserializer)
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def _volume_upload_image(self, req, id, body):
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"""Uploads the specified volume to image service."""
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context = req.environ['cinder.context']
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params = body['os-volume_upload_image']
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if not params.get("image_name"):
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msg = _("No image_name was specified in request.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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force = params.get('force', False)
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if isinstance(force, basestring):
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try:
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force = strutils.bool_from_string(force, strict=False)
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except ValueError:
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msg = _("Bad value for 'force' parameter.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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elif not isinstance(force, bool):
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msg = _("'force' is not string or bool.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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authorize(context, "upload_image")
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image_metadata = {"container_format": params.get("container_format",
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"bare"),
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"disk_format": params.get("disk_format", "raw"),
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"name": params["image_name"]}
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try:
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response = self.volume_api.copy_volume_to_image(context,
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volume,
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image_metadata,
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force)
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except exception.InvalidVolume as error:
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raise webob.exc.HTTPBadRequest(explanation=error.msg)
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except ValueError as error:
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raise webob.exc.HTTPBadRequest(explanation=unicode(error))
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except messaging.RemoteError as error:
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msg = "%(err_type)s: %(err_msg)s" % {'err_type': error.exc_type,
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'err_msg': error.value}
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raise webob.exc.HTTPBadRequest(explanation=msg)
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except Exception as error:
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raise webob.exc.HTTPBadRequest(explanation=unicode(error))
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return {'os-volume_upload_image': response}
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@wsgi.action('os-extend')
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def _extend(self, req, id, body):
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"""Extend size of volume."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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try:
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int(body['os-extend']['new_size'])
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except (KeyError, ValueError, TypeError):
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msg = _("New volume size must be specified as an integer.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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size = int(body['os-extend']['new_size'])
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self.volume_api.extend(context, volume, size)
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return webob.Response(status_int=202)
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@wsgi.action('os-update_readonly_flag')
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def _volume_readonly_update(self, req, id, body):
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"""Update volume readonly flag."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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try:
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readonly_flag = body['os-update_readonly_flag']['readonly']
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except KeyError:
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msg = _("Must specify readonly in request.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if isinstance(readonly_flag, basestring):
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try:
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readonly_flag = strutils.bool_from_string(readonly_flag,
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strict=True)
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except ValueError:
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msg = _("Bad value for 'readonly'")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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elif not isinstance(readonly_flag, bool):
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msg = _("'readonly' not string or bool")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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self.volume_api.update_readonly_flag(context, volume, readonly_flag)
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return webob.Response(status_int=202)
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@wsgi.action('os-retype')
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def _retype(self, req, id, body):
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"""Change type of existing volume."""
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context = req.environ['cinder.context']
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volume = self.volume_api.get(context, id)
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try:
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new_type = body['os-retype']['new_type']
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except KeyError:
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msg = _("New volume type must be specified.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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policy = body['os-retype'].get('migration_policy')
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self.volume_api.retype(context, volume, new_type, policy)
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return webob.Response(status_int=202)
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@wsgi.action('os-set_bootable')
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def _set_bootable(self, req, id, body):
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"""Update bootable status of a volume."""
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context = req.environ['cinder.context']
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try:
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volume = self.volume_api.get(context, id)
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except exception.VolumeNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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try:
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bootable = body['os-set_bootable']['bootable']
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except KeyError:
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msg = _("Must specify bootable in request.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if isinstance(bootable, basestring):
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try:
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bootable = strutils.bool_from_string(bootable,
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strict=True)
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except ValueError:
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msg = _("Bad value for 'bootable'")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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elif not isinstance(bootable, bool):
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msg = _("'bootable' not string or bool")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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update_dict = {'bootable': bootable}
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self.volume_api.update(context, volume, update_dict)
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return webob.Response(status_int=200)
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class Volume_actions(extensions.ExtensionDescriptor):
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"""Enable volume actions
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"""
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name = "VolumeActions"
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alias = "os-volume-actions"
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namespace = "http://docs.openstack.org/volume/ext/volume-actions/api/v1.1"
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updated = "2012-05-31T00:00:00+00:00"
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def get_controller_extensions(self):
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controller = VolumeActionsController()
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extension = extensions.ControllerExtension(self, 'volumes', controller)
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return [extension]
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