d335457f48
I only just moved logging from nova to common, so behavior should remain the same. Change-Id: I1d7304ca200f9d024bb7244d25be2f9a670318fb
255 lines
7.6 KiB
Python
255 lines
7.6 KiB
Python
# Copyright 2011 Justin Santa Barbara
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
"""The volumes api."""
|
|
|
|
import webob
|
|
from webob import exc
|
|
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack import wsgi
|
|
from nova.api.openstack import xmlutil
|
|
from nova import exception
|
|
from nova import flags
|
|
from nova.openstack.common import log as logging
|
|
from nova import volume
|
|
from nova.volume import volume_types
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
FLAGS = flags.FLAGS
|
|
|
|
|
|
def _translate_attachment_detail_view(_context, vol):
|
|
"""Maps keys for attachment details view."""
|
|
|
|
d = _translate_attachment_summary_view(_context, vol)
|
|
|
|
# No additional data / lookups at the moment
|
|
|
|
return d
|
|
|
|
|
|
def _translate_attachment_summary_view(_context, vol):
|
|
"""Maps keys for attachment summary view."""
|
|
d = {}
|
|
|
|
volume_id = vol['id']
|
|
|
|
# NOTE(justinsb): We use the volume id as the id of the attachment object
|
|
d['id'] = volume_id
|
|
|
|
d['volume_id'] = volume_id
|
|
d['server_id'] = vol['instance_uuid']
|
|
if vol.get('mountpoint'):
|
|
d['device'] = vol['mountpoint']
|
|
|
|
return d
|
|
|
|
|
|
def _translate_volume_detail_view(context, vol):
|
|
"""Maps keys for volumes details view."""
|
|
|
|
d = _translate_volume_summary_view(context, vol)
|
|
|
|
# No additional data / lookups at the moment
|
|
|
|
return d
|
|
|
|
|
|
def _translate_volume_summary_view(context, vol):
|
|
"""Maps keys for volumes summary view."""
|
|
d = {}
|
|
|
|
d['id'] = vol['id']
|
|
d['status'] = vol['status']
|
|
d['size'] = vol['size']
|
|
d['availability_zone'] = vol['availability_zone']
|
|
d['created_at'] = vol['created_at']
|
|
|
|
d['attachments'] = []
|
|
if vol['attach_status'] == 'attached':
|
|
attachment = _translate_attachment_detail_view(context, vol)
|
|
d['attachments'].append(attachment)
|
|
|
|
d['display_name'] = vol['display_name']
|
|
d['display_description'] = vol['display_description']
|
|
|
|
if vol['volume_type_id'] and vol.get('volume_type'):
|
|
d['volume_type'] = vol['volume_type']['name']
|
|
else:
|
|
# TODO(bcwaldon): remove str cast once we use uuids
|
|
d['volume_type'] = str(vol['volume_type_id'])
|
|
|
|
d['snapshot_id'] = vol['snapshot_id']
|
|
|
|
LOG.audit(_("vol=%s"), vol, context=context)
|
|
|
|
if vol.get('volume_metadata'):
|
|
meta_dict = {}
|
|
for i in vol['volume_metadata']:
|
|
meta_dict[i['key']] = i['value']
|
|
d['metadata'] = meta_dict
|
|
else:
|
|
d['metadata'] = {}
|
|
|
|
return d
|
|
|
|
|
|
def make_attachment(elem):
|
|
elem.set('id')
|
|
elem.set('server_id')
|
|
elem.set('volume_id')
|
|
elem.set('device')
|
|
|
|
|
|
def make_volume(elem):
|
|
elem.set('id')
|
|
elem.set('status')
|
|
elem.set('size')
|
|
elem.set('availability_zone')
|
|
elem.set('created_at')
|
|
elem.set('display_name')
|
|
elem.set('display_description')
|
|
elem.set('volume_type')
|
|
elem.set('snapshot_id')
|
|
|
|
attachments = xmlutil.SubTemplateElement(elem, 'attachments')
|
|
attachment = xmlutil.SubTemplateElement(attachments, 'attachment',
|
|
selector='attachments')
|
|
make_attachment(attachment)
|
|
|
|
metadata = xmlutil.make_flat_dict('metadata')
|
|
elem.append(metadata)
|
|
|
|
|
|
class VolumeTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('volume', selector='volume')
|
|
make_volume(root)
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class VolumesTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('volumes')
|
|
elem = xmlutil.SubTemplateElement(root, 'volume', selector='volumes')
|
|
make_volume(elem)
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class VolumeController(object):
|
|
"""The Volumes API controller for the OpenStack API."""
|
|
|
|
def __init__(self):
|
|
self.volume_api = volume.API()
|
|
super(VolumeController, self).__init__()
|
|
|
|
@wsgi.serializers(xml=VolumeTemplate)
|
|
def show(self, req, id):
|
|
"""Return data about the given volume."""
|
|
context = req.environ['nova.context']
|
|
|
|
try:
|
|
vol = self.volume_api.get(context, id)
|
|
except exception.NotFound:
|
|
raise exc.HTTPNotFound()
|
|
|
|
return {'volume': _translate_volume_detail_view(context, vol)}
|
|
|
|
def delete(self, req, id):
|
|
"""Delete a volume."""
|
|
context = req.environ['nova.context']
|
|
|
|
LOG.audit(_("Delete volume with id: %s"), id, context=context)
|
|
|
|
try:
|
|
volume = self.volume_api.get(context, id)
|
|
self.volume_api.delete(context, volume)
|
|
except exception.NotFound:
|
|
raise exc.HTTPNotFound()
|
|
return webob.Response(status_int=202)
|
|
|
|
@wsgi.serializers(xml=VolumesTemplate)
|
|
def index(self, req):
|
|
"""Returns a summary list of volumes."""
|
|
return self._items(req, entity_maker=_translate_volume_summary_view)
|
|
|
|
@wsgi.serializers(xml=VolumesTemplate)
|
|
def detail(self, req):
|
|
"""Returns a detailed list of volumes."""
|
|
return self._items(req, entity_maker=_translate_volume_detail_view)
|
|
|
|
def _items(self, req, entity_maker):
|
|
"""Returns a list of volumes, transformed through entity_maker."""
|
|
context = req.environ['nova.context']
|
|
|
|
volumes = self.volume_api.get_all(context)
|
|
limited_list = common.limited(volumes, req)
|
|
res = [entity_maker(context, vol) for vol in limited_list]
|
|
return {'volumes': res}
|
|
|
|
@wsgi.serializers(xml=VolumeTemplate)
|
|
def create(self, req, body):
|
|
"""Creates a new volume."""
|
|
context = req.environ['nova.context']
|
|
|
|
if not body:
|
|
raise exc.HTTPUnprocessableEntity()
|
|
|
|
volume = body['volume']
|
|
size = volume['size']
|
|
LOG.audit(_("Create volume of %s GB"), size, context=context)
|
|
|
|
kwargs = {}
|
|
|
|
req_volume_type = volume.get('volume_type', None)
|
|
if req_volume_type:
|
|
try:
|
|
kwargs['volume_type'] = volume_types.get_volume_type_by_name(
|
|
context, req_volume_type)
|
|
except exception.NotFound:
|
|
raise exc.HTTPNotFound()
|
|
|
|
kwargs['metadata'] = volume.get('metadata', None)
|
|
|
|
snapshot_id = volume.get('snapshot_id')
|
|
if snapshot_id is not None:
|
|
kwargs['snapshot'] = self.volume_api.get_snapshot(context,
|
|
snapshot_id)
|
|
else:
|
|
kwargs['snapshot'] = None
|
|
|
|
kwargs['availability_zone'] = volume.get('availability_zone', None)
|
|
|
|
new_volume = self.volume_api.create(context,
|
|
size,
|
|
volume.get('display_name'),
|
|
volume.get('display_description'),
|
|
**kwargs)
|
|
|
|
# TODO(vish): Instance should be None at db layer instead of
|
|
# trying to lazy load, but for now we turn it into
|
|
# a dict to avoid an error.
|
|
retval = _translate_volume_detail_view(context, dict(new_volume))
|
|
|
|
return {'volume': retval}
|
|
|
|
|
|
def create_resource():
|
|
return wsgi.Resource(VolumeController())
|